6826:
2935:
3332:
9497:
238:
6118:
264:, who published this concept in 1976. They also introduced digital signatures and attempted to apply number theory. Their formulation used a shared-secret-key created from exponentiation of some number, modulo a prime number. However, they left open the problem of realizing a one-way function, possibly because the difficulty of factoring was not well-studied at the time. Moreover, like
2601:
2975:
318:(GCHQ), described a similar system in an internal document in 1973. However, given the relatively expensive computers needed to implement it at the time, it was considered to be mostly a curiosity and, as far as is publicly known, was never deployed. His ideas and concepts, were not revealed until 1997 due to its top-secret classification.
5291:(OAEP), which prevents these attacks. As such, OAEP should be used in any new application, and PKCS#1 v1.5 padding should be replaced wherever possible. The PKCS#1 standard also incorporates processing schemes designed to provide additional security for RSA signatures, e.g. the Probabilistic Signature Scheme for RSA (
356:
The system includes a communications channel coupled to at least one terminal having an encoding device and to at least one terminal having a decoding device. A message-to-be-transferred is enciphered to ciphertext at the encoding terminal by encoding the message as a number M in a predetermined set.
6581:
Heninger says in her blog that the bad keys occurred almost entirely in embedded applications, including "firewalls, routers, VPN devices, remote server administration devices, printers, projectors, and VOIP phones" from more than 30 manufacturers. Heninger explains that the one-shared-prime problem
6005:
The first RSA-512 factorization in 1999 used hundreds of computers and required the equivalent of 8,400 MIPS years, over an elapsed time of about seven months. By 2009, Benjamin Moody could factor an 512-bit RSA key in 73 days using only public software (GGNFS) and his desktop computer (a dual-core
6582:
uncovered by the two groups results from situations where the pseudorandom number generator is poorly seeded initially, and then is reseeded between the generation of the first and second primes. Using seeds of sufficiently high entropy obtained from key stroke timings or electronic diode noise or
299:
at the house of a student and drank a good deal of wine before returning to their homes at around midnight. Rivest, unable to sleep, lay on the couch with a math textbook and started thinking about their one-way function. He spent the rest of the night formalizing his idea, and he had much of the
5274:
must be somewhat smaller. RSA padding schemes must be carefully designed so as to prevent sophisticated attacks that may be facilitated by a predictable message structure. Early versions of the PKCS#1 standard (up to version 1.5) used a construction that appears to make RSA semantically secure.
6733:
Simple Branch
Prediction Analysis (SBPA) claims to improve BPA in a non-statistical way. In their paper, "On the Power of Simple Branch Prediction Analysis", the authors of SBPA (Onur Aciicmez and Cetin Kaya Koc) claim to have discovered 508 out of 512 bits of an RSA key in 10 iterations.
357:
That number is then raised to a first predetermined power (associated with the intended receiver) and finally computed. The remainder or residue, C, is... computed when the exponentiated number is divided by the product of two predetermined prime numbers (associated with the intended receiver).
3349:'s public key to send him an encrypted message. In the message, she can claim to be Alice, but Bob has no way of verifying that the message was from Alice, since anyone can use Bob's public key to send him encrypted messages. In order to verify the origin of a message, RSA can also be used to
2930:{\displaystyle {\begin{aligned}d_{p}&=d{\bmod {(}}p-1)=413{\bmod {(}}61-1)=53,\\d_{q}&=d{\bmod {(}}q-1)=413{\bmod {(}}53-1)=49,\\q_{\text{inv}}&=q^{-1}{\bmod {p}}=53^{-1}{\bmod {6}}1=38\\&\Rightarrow (q_{\text{inv}}\times q){\bmod {p}}=38\times 53{\bmod {6}}1=1.\end{aligned}}}
6411:; this value can be regarded as a compromise between avoiding potential small-exponent attacks and still allowing efficient encryptions (or signature verification). The NIST Special Publication on Computer Security (SP 800-78 Rev. 1 of August 2007) does not allow public exponents
290:
made several attempts over the course of a year to create a function that was hard to invert. Rivest and Shamir, as computer scientists, proposed many potential functions, while
Adleman, as a mathematician, was responsible for finding their weaknesses. They tried many approaches, including
3327:{\displaystyle {\begin{aligned}m_{1}&=c^{d_{p}}{\bmod {p}}=2790^{53}{\bmod {6}}1=4,\\m_{2}&=c^{d_{q}}{\bmod {q}}=2790^{49}{\bmod {5}}3=12,\\h&=(q_{\text{inv}}\times (m_{1}-m_{2})){\bmod {p}}=(38\times -8){\bmod {6}}1=1,\\m&=m_{2}+h\times q=12+1\times 53=65.\end{aligned}}}
6703:(a padding scheme randomizes and adds structure to an RSA-encrypted message, so it is possible to determine whether a decrypted message is valid). Due to flaws with the PKCS #1 scheme, Bleichenbacher was able to mount a practical attack against RSA implementations of the
3376:) (as he does when encrypting a message), and compares the resulting hash value with the message's hash value. If the two agree, he knows that the author of the message was in possession of Alice's private key and that the message has not been tampered with since being sent.
6589:
Strong random number generation is important throughout every phase of public-key cryptography. For instance, if a weak generator is used for the symmetric keys that are being distributed by RSA, then an eavesdropper could bypass RSA and guess the symmetric keys directly.
6625:
One way to thwart these attacks is to ensure that the decryption operation takes a constant amount of time for every ciphertext. However, this approach can significantly reduce performance. Instead, most RSA implementations use an alternate technique known as
6080:
was factored by using several hundred computers, and these are now factored in a few weeks using common hardware. Exploits using 512-bit code-signing certificates that may have been factored were reported in 2011. A theoretical hardware device named
6056:
estimated that 1024-bit keys were likely to become crackable by 2010. As of 2020, it is not known whether such keys can be cracked, but minimum recommendations have moved to at least 2048 bits. It is generally presumed that RSA is secure if
2394:
2272:
4861:
3368:) (as she does when decrypting a message), and attaches it as a "signature" to the message. When Bob receives the signed message, he uses the same hash algorithm in conjunction with Alice's public key. He raises the signature to the power of
4383:
4111:
5310:); however, these patents expired on 24 July 2009 and 25 April 2010 respectively. Use of PSS no longer seems to be encumbered by patents. Note that using different RSA key pairs for encryption and signing is potentially more secure.
6532:', totally compromising both keys. Lenstra et al. note that this problem can be minimized by using a strong random seed of bit length twice the intended security level, or by employing a deterministic function to choose
321:
Kid-RSA (KRSA) is a simplified, insecure public-key cipher published in 1997, designed for educational purposes. Some people feel that learning Kid-RSA gives insight into RSA and other public-key ciphers, analogous to
3544:
6601:
described a new attack on RSA in 1995: if the attacker Eve knows Alice's hardware in sufficient detail and is able to measure the decryption times for several known ciphertexts, Eve can deduce the decryption key
1500:). Since the chosen key can be small, whereas the computed key normally is not, the RSA paper's algorithm optimizes decryption compared to encryption, while the modern algorithm optimizes encryption instead.
1986:
1763:
5790:
6737:
A power-fault attack on RSA implementations was described in 2010. The author recovered the key by varying the CPU power voltage outside limits; this caused multiple power faults on the server.
2980:
2606:
2307:
2185:
5562:
4483:
6041:(up to a polynomial time difference). However, Rivest, Shamir, and Adleman noted, in section IX/D of their paper, that they had not found a proof that inverting RSA is as hard as factoring.
3662:
596:
7231:
2516:
2148:
203:, along with an auxiliary value. The prime numbers are kept secret. Messages can be encrypted by anyone, via the public key, but can only be decrypted by someone who knows the private key.
2455:
2302:
5073:
if an attacker cannot distinguish two encryptions from each other, even if the attacker knows (or has chosen) the corresponding plaintexts. RSA without padding is not semantically secure.
2180:
3422:
5710:
5645:
4720:
1641:
8557:
The
Original RSA Patent as filed with the U.S. Patent Office by Rivest; Ronald L. (Belmont, MA), Shamir; Adi (Cambridge, MA), Adleman; Leonard M. (Arlington, MA), December 14, 1977,
9477:
9307:
5499:
5440:
7055:
7006:
1894:
3808:
8922:
6462:, James P. Hughes, Maxime Augier, Joppe W. Bos, Thorsten Kleinjung and Christophe Wachter. They were able to factor 0.2% of the keys using only Euclid's algorithm.
7527:
7117:
4213:
3941:
464:
8632:
6052:). Its factorization, by a state-of-the-art distributed implementation, took about 2,700 CPU-years. In practice, RSA keys are typically 1024 to 4096 bits long. In 2003,
5834:
366:
6749:, acceptable public exponent, etc.). This makes the implementation challenging, to the point the book Practical Cryptography With Go suggests avoiding RSA if possible.
6683:
is chosen for each ciphertext. With blinding applied, the decryption time is no longer correlated to the value of the input ciphertext, and so the timing attack fails.
295:-based" and "permutation polynomials". For a time, they thought what they wanted to achieve was impossible due to contradictory requirements. In April 1977, they spent
5843:, even though two modular exponentiations have to be computed. The reason is that these two modular exponentiations both use a smaller exponent and a smaller modulus.
5298:
Secure padding schemes such as RSA-PSS are as essential for the security of message signing as they are for message encryption. Two USA patents on PSS were granted (
5259:
does not fall into the range of insecure plaintexts, and that a given message, once padded, will encrypt to one of a large number of different possible ciphertexts.
5050:
noticed that this attack is possible even if the clear texts are not equal, but the attacker knows a linear relation between them. This attack was later improved by
2097:
4623:
Although the original paper of Rivest, Shamir, and
Adleman used Fermat's little theorem to explain why RSA works, it is common to find proofs that rely instead on
2039:
1839:
1813:
9050:
8173:
4226:
3954:
5287:
2000, Coron et al. showed that for some types of messages, this padding does not provide a high enough level of security. Later versions of the standard include
9145:
8107:
5380:
5360:
531:
508:
484:
225:
RSA is a relatively slow algorithm. Because of this, it is not commonly used to directly encrypt user data. More often, RSA is used to transmit shared keys for
3426:
222:. Whether it is as difficult as the factoring problem is an open question. There are no published methods to defeat the system if a large enough key is used.
9045:
7661:
8332:
8372:
5069:
against the cryptosystem, by encrypting likely plaintexts under the public key and test whether they are equal to the ciphertext. A cryptosystem is called
8774:
8136:
6714:
A variant of this attack, dubbed "BERserk", came back in 2014. It impacted the
Mozilla NSS Crypto Library, which was used notably by Firefox and Chrome.
6010:
with a 1,900 MHz CPU). Just less than 5 gigabytes of disk storage was required and about 2.5 gigabytes of RAM for the sieving process.
5991:. No polynomial-time method for factoring large integers on a classical computer has yet been found, but it has not been proven that none exists; see
1273:
8953:
8947:
686:
should be chosen at random, be both large and have a large difference. For choosing them the standard method is to choose random integers and use a
6726:
to determine whether a conditional branch in the instruction flow of a program is likely to be taken or not. Often these processors also implement
7694:
7067:
1690:
1516:. If they decide to use RSA, Bob must know Alice's public key to encrypt the message, and Alice must use her private key to decrypt the message.
6707:
protocol and to recover session keys. As a result of this work, cryptographers now recommend the use of provably secure padding schemes such as
9525:
315:
169:
7965:
Coron, Jean-Sébastien; Joye, Marc; Naccache, David; Paillier, Pascal (2000). "New
Attacks on PKCS#1 v1.5 Encryption". In Preneel, Bart (ed.).
6730:(SMT). Branch-prediction analysis attacks use a spy process to discover (statistically) the private key when processed with these processors.
9071:
8625:
8541:
8501:
7984:
7941:
7843:
6708:
5288:
339:
287:
8014:
3552:
Decrypt a message only intended for the recipient, which may be encrypted by anyone having the public key (asymmetric encrypted transport).
8293:
5076:
RSA has the property that the product of two ciphertexts is equal to the encryption of the product of the respective plaintexts. That is,
1269:
300:
paper ready by daybreak. The algorithm is now known as RSA – the initials of their surnames in same order as their paper.
7601:
6135:
5276:
8689:
9530:
8050:
4420:
8757:
8714:
8679:
3602:
3555:
Encrypt a message which may be decrypted by anyone, but which can only be encrypted by one person; this provides a digital signature.
1932:
536:
9138:
8167:"NIST Special Publication 800-57 Part 3 Revision 1: Recommendation for Key Management: Application-Specific Key Management Guidance"
6696:
6201:
5874:
5280:
2469:
8669:
2408:
7538:
6325:
8618:
3386:
1901:
756:
8747:
8694:
6849:
265:
8833:
6844:
6182:
1594:
5717:
9356:
9287:
8858:
7267:
6786:
6578:
separately, thereby achieving a very significant speedup, since after one large division, the GCD problem is of normal size.
6154:
6139:
6014:
2051:
1470:
1068:
8742:
1351:). Most of the implementations of RSA will accept exponents generated using either method (if they use the private exponent
369:
column. This preceded the patent's filing date of
December 1977. Consequently, the patent had no legal standing outside the
6076:, using software already freely available. Keys of 512 bits have been shown to be practically breakable in 1999, when
7627:
6746:
5856:
2521:
9131:
8999:
8932:
6766:
6161:
3742:
1113:
8674:
5505:
5266:
have been carefully designed to securely pad messages prior to RSA encryption. Because these schemes pad the plaintext
9472:
9427:
9230:
9096:
8989:
8838:
8752:
8737:
7477:
6859:
6854:
6761:
6727:
6614:
demonstrated a more practical attack capable of recovering RSA factorizations over a network connection (e.g., from a
5328:
3357:
8313:
Lenstra, Arjen K.; Hughes, James P.; Augier, Maxime; Bos, Joppe W.; Kleinjung, Thorsten; Wachter, Christophe (2012).
8221:
8111:
5873:. Full decryption of an RSA ciphertext is thought to be infeasible on the assumption that both of these problems are
3548:
Thus the keys may be swapped without loss of generality, that is, a private key of a key pair may be used either to:
7126:
2102:
9351:
8848:
8719:
8579:
8527:
8412:
Acıiçmez, Onur; Koç, Çetin Kaya; Seifert, Jean-Pierre (2007). "On the power of simple branch prediction analysis".
6438:(TPM) were shown to be affected. Vulnerable RSA keys are easily identified using a test program the team released.
5840:
4116:
3570:
349:
121:
6168:
9467:
9101:
9081:
7275:
6619:
5336:
5043:
4608:
2555:
2528:. In real-life situations the primes selected would be much larger; in our example it would be trivial to factor
5935:
is an RSA ciphertext. Currently the most promising approach to solving the RSA problem is to factor the modulus
5652:
5587:
399:
A basic principle behind RSA is the observation that it is practical to find three very large positive integers
9457:
9447:
9302:
9040:
8811:
8166:
5110:
3356:
Suppose Alice wishes to send a signed message to Bob. She can use her own private key to do so. She produces a
323:
8263:
8202:
7717:
A Course in Number Theory and
Cryptography, Graduate Texts in Math. No. 114, Springer-Verlag, New York, 1987.
6150:
9452:
9442:
9235:
9195:
9188:
9173:
9168:
8994:
8641:
6879:
6627:
6458:. An analysis comparing millions of public keys gathered from the Internet was carried out in early 2012 by
6447:
6435:
6396:
6215:
6128:
5852:
5066:
5062:
5055:
2073:
1132:
957:
226:
149:
7328:
6711:, and RSA Laboratories has released new versions of PKCS #1 that are not vulnerable to these attacks.
5446:
5387:
5247:
To avoid these problems, practical RSA implementations typically embed some form of structured, randomized
9240:
9183:
9076:
8927:
8866:
8801:
8446:
8417:
7877:
7698:
7422:
7284:
7011:
6962:
6839:
6700:
5882:
5248:
2525:
1646:
1563:
1265:
1206:
817:
630:
269:
181:
8144:
1861:
9500:
9346:
9292:
8942:
8699:
8656:
7868:
7759:
6692:
5992:
5866:
3712:
1914:
777:
6825:
6722:
A side-channel attack using branch-prediction analysis (BPA) has been described. Many processors use a
373:. Had Cocks' work been publicly known, a patent in the United States would not have been legal either.
168:, who publicly described the algorithm in 1977. An equivalent system was developed secretly in 1973 at
7732:
2389:{\displaystyle {\begin{aligned}m(c)&=c^{d}{\bmod {n}}\\&=c^{413}{\bmod {3}}233.\end{aligned}}}
9462:
9386:
8853:
8664:
8515:
7969:. Lecture Notes in Computer Science. Vol. 1807. Berlin, Heidelberg: Springer. pp. 369–381.
7802:
7366:
6704:
6615:
6248:
2267:{\displaystyle {\begin{aligned}c(m)&=m^{e}{\bmod {n}}\\&=m^{17}{\bmod {3}}233.\end{aligned}}}
1360:
173:
103:
7882:
7289:
7082:
199:, which is kept secret (private). An RSA user creates and publishes a public key based on two large
9215:
8959:
8533:
8422:
8067:
7703:
7656:
7459:
7427:
6555:
6459:
6101:
5860:
5070:
4896:
4856:{\displaystyle m^{ed}=m^{1+h\varphi (n)}=m(m^{\varphi (n)})^{h}\equiv m(1)^{h}\equiv m{\pmod {n}},}
873:
362:
126:
4198:
3926:
9331:
9315:
9257:
8984:
8806:
8729:
8704:
8684:
8394:
8298:
8244:
7947:
7895:
7390:
7332:
7302:
6884:
6831:
6423:
6419:
4945:
numbers have this property), but even in this case, the desired congruence is still true. Either
722:
511:
487:
429:
393:
8085:
7922:"Probabilistic encryption & how to play mental poker keeping secret all partial information"
6661:
6219:
5797:
4866:
4624:
81:
9391:
9381:
9247:
9066:
9009:
8937:
8823:
8537:
8497:
8046:
8042:
Network security traceback attack and react in the United States
Department of Defense network
8040:
7980:
7937:
7839:
7440:
7382:
6889:
6583:
6175:
6085:, described by Shamir and Tromer in 2003, called into question the security of 1024-bit keys.
6073:
3350:
649:
215:
9326:
9178:
8912:
8519:
8511:
8427:
8274:
8236:
8177:
7970:
7929:
7913:
7887:
7831:
7792:
7432:
7374:
7294:
6723:
6598:
6450:, which has been properly seeded with adequate entropy, must be used to generate the primes
6093:
4579:. However, in modern implementations of RSA, it is common to use a reduced private exponent
4378:{\displaystyle m^{ed}=m^{ed-1}m=m^{k(q-1)}m=(m^{q-1})^{k}m\equiv 1^{k}m\equiv m{\pmod {q}}.}
4106:{\displaystyle m^{ed}=m^{ed-1}m=m^{h(p-1)}m=(m^{p-1})^{h}m\equiv 1^{h}m\equiv m{\pmod {p}},}
1378:. Any "oversized" private exponents not meeting this criterion may always be reduced modulo
292:
257:
7860:
7498:
5865:
The security of the RSA cryptosystem is based on two mathematical problems: the problem of
7614:
6097:
5051:
2018:
1818:
1792:
1007:
results in more efficient encryption – the most commonly chosen value for
283:
249:
165:
59:
8414:
Proceedings of the 2nd ACM Symposium on
Information, Computer and Communications Security
8351:
7562:
6013:
Rivest, Shamir, and Adleman noted that Miller has shown that – assuming the truth of the
5939:. With the ability to recover prime factors, an attacker can compute the secret exponent
5047:
7788:
Public-Key Cryptography Standards (PKCS) #1: RSA Cryptography Specifications Version 2.1
7370:
6096:– if one could ever be practically created for the purpose – would be able to factor in
9401:
9321:
9277:
9220:
9205:
8523:
8490:
8264:"The Return of Coppersmith's Attack: Practical Factorization of Widely Used RSA Moduli"
8262:
Nemec, Matus; Sys, Marek; Svenda, Petr; Klinec, Dusan; Matyas, Vashek (November 2017).
7680:
7523:
6869:
6551:
6233:
5365:
5345:
5332:
3380:
1004:
687:
645:
516:
493:
469:
377:
311:
303:
261:
196:
192:
177:
8333:"New research: There's no need to panic over factorable keys–just mind your Ps and Qs"
4929:, the argument just given is invalid. This is highly improbable (only a proportion of
9519:
9482:
9437:
9396:
9376:
9267:
9225:
9200:
8464:
8271:
Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security
7917:
7499:"Still Guarding Secrets after Years of Attacks, RSA Earns Accolades for its Founders"
7394:
7354:
6630:. RSA blinding makes use of the multiplicative property of RSA. Instead of computing
6611:
6465:
They exploited a weakness unique to cryptosystems based on integer factorization. If
3346:
3342:
1513:
1509:
1461:
Note: The authors of the original RSA paper carry out the key generation by choosing
370:
307:
207:
114:
17:
8589:
8000:
7951:
7926:
Proceedings of the fourteenth annual ACM symposium on Theory of computing - STOC '82
7899:
6606:
quickly. This attack can also be applied against the RSA signature scheme. In 2003,
5998:
Multiple polynomial quadratic sieve (MPQS) can be used to factor the public modulus
725:
for both the public and private keys. Its length, usually expressed in bits, is the
237:
9432:
9272:
9262:
9252:
9210:
9154:
9106:
9086:
8248:
8140:
7718:
7306:
6864:
6618:(SSL)-enabled webserver). This attack takes advantage of information leaked by the
6053:
5877:, i.e., no efficient algorithm exists for solving them. Providing security against
2964:
are used for efficient decryption (encryption is efficient by choice of a suitable
665:
381:
211:
200:
188:
31:
7310:
6745:
There are many details to keep in mind in order to implement RSA securely (strong
5026:
or more recipients in an encrypted way, and the receivers share the same exponent
7588:
7575:
6232:
is usually done by testing random numbers of the correct size with probabilistic
9411:
9004:
8881:
8568:
8181:
7826:
Håstad, Johan (1986). "On using RSA with Low Exponent in a Public Key Network".
7805:
7786:
6117:
5889:
5870:
5113:
is possible. E.g., an attacker who wants to know the decryption of a ciphertext
219:
8373:"'BERserk' Bug Uncovered In Mozilla NSS Crypto Library Impacts Firefox, Chrome"
7861:"Small Solutions to Polynomial Equations, and Low Exponent RSA Vulnerabilities"
7631:
7378:
6776:
9371:
9341:
9336:
9297:
9030:
8762:
8573:
8560:
7413:
Diffie, W.; Hellman, M. E. (November 1976). "New directions in cryptography".
7400:
6821:
6431:
6426:, which affects RSA keys generated by an algorithm embodied in a library from
6089:
6045:
5339:. The following values are precomputed and stored as part of the private key:
5306:
5300:
2293:
1531:
to Bob via a reliable, but not necessarily secret, route. Alice's private key
1000:
726:
344:
279:
275:
245:
241:
161:
157:
153:
55:
51:
7975:
7835:
7444:
7436:
1519:
To enable Bob to send his encrypted messages, Alice transmits her public key
9361:
8431:
8278:
7928:. New York, NY, USA: Association for Computing Machinery. pp. 365–377.
6781:
6607:
5284:
2170:
8488:
Menezes, Alfred; van Oorschot, Paul C.; Vanstone, Scott A. (October 1996).
7386:
6399:
has many applications in attacking RSA specifically if the public exponent
5279:
1998, Bleichenbacher showed that this version is vulnerable to a practical
3838:, it suffices (and in fact is equivalent) to check that they are congruent
256:
The idea of an asymmetric public-private key cryptosystem is attributed to
7933:
7891:
7298:
9406:
9366:
9091:
9025:
8896:
8891:
8886:
8767:
8584:
6874:
6811:
6806:
6771:
6566:' they had found (a 729-million-digit number), instead of computing each
6427:
6007:
5335:) use for decryption and signing the following optimization based on the
3539:{\displaystyle (h^{e})^{d}=h^{ed}=h^{de}=(h^{d})^{e}\equiv h{\pmod {n}}.}
361:
A detailed description of the algorithm was published in August 1977, in
296:
93:
7921:
7268:"A Method for Obtaining Digital Signatures and Public-Key Cryptosystems"
6554:
was part of a group that did a similar experiment. They used an idea of
5166:. Hence, if the attacker is successful with the attack, they will learn
1645:
This can be done reasonably quickly, even for very large numbers, using
380:
were 17 years. The patent was about to expire on 21 September 2000, but
8917:
8876:
7355:"Quantum-computing pioneer warns of complacency over Internet security"
6796:
6791:
6586:
from a radio receiver tuned between stations should solve the problem.
6142: in this section. Unsourced material may be challenged and removed.
6077:
6049:
5324:
5292:
5270:
with some number of additional bits, the size of the un-padded message
2001:
1488:, whereas most current implementations of RSA, such as those following
990:
648:, the private and public key can also be swapped, allowing for message
132:
8314:
7830:. Lecture Notes in Computer Science. Vol. 218. pp. 403–408.
6415:
smaller than 65537, but does not state a reason for this restriction.
5959:
using the standard procedure. To accomplish this, an attacker factors
5065:(i.e., has no random component) an attacker can successfully launch a
1458:
have only very small common factors, if any, besides the necessary 2.
9282:
9035:
8240:
7797:
6801:
5042:, then it is easy to decrypt the original clear-text message via the
335:
4980:
There are a number of attacks against plain RSA as described below.
8594:
7628:"RSA Security Releases RSA Encryption Algorithm into Public Domain"
2535:(obtained from the freely available public key) back to the primes
660:
The keys for the RSA algorithm are generated in the following way:
8871:
8828:
8796:
8789:
8784:
8779:
8093:
Proceedings of Seventh Annual ACM Symposium on Theory of Computing
7066:
The parameters used here are artificially small, but one can also
6757:
Some cryptography libraries that provide support for RSA include:
6404:
6082:
5263:
5015:. In this case, ciphertexts can be decrypted easily by taking the
1489:
1336:
will sometimes yield a result that is larger than necessary (i.e.
236:
229:
cryptography, which are then used for bulk encryption–decryption.
152:, one of the oldest widely used for secure data transmission. The
77:
2520:
Both of these calculations can be computed efficiently using the
384:
released the algorithm to the public domain on 6 September 2000.
6388:
There is no known attack against small public exponents such as
5151:
chosen by the attacker. Because of the multiplicative property,
9127:
8614:
8359:
Proceedings of the 12th Conference on USENIX Security Symposium
7068:
OpenSSL can also be used to generate and examine a real keypair
6403:
is small and if the encrypted message is short and not padded.
5567:
These values allow the recipient to compute the exponentiation
1981:{\displaystyle \lambda (3233)=\operatorname {lcm} (60,52)=780.}
1194:
must also be kept secret because they can be used to calculate
8964:
8818:
8569:
RFC 8017: PKCS #1: RSA Cryptography Specifications Version 2.2
6699:
against RSA-encrypted messages using the PKCS #1 v1
6111:
6069:
7679:
Applied Cryptography, John Wiley & Sons, New York, 1996.
7032:
6983:
6679:
can be removed by multiplying by its inverse. A new value of
3239:
3208:
3124:
3101:
3041:
3018:
2905:
2883:
2832:
2806:
2741:
2713:
2658:
2630:
2598:, which are part of the private key are computed as follows:
2490:
2429:
2370:
2340:
2248:
2218:
2128:
1558:(strictly speaking, the un-padded plaintext) into an integer
8445:
Pellegrini, Andrea; Bertacco, Valeria; Austin, Todd (2010).
1547:
After Bob obtains Alice's public key, he can send a message
7576:"The Mathematics of Encryption: An Elementary Introduction"
4967:, and these cases can be treated using the previous proof.
4500:
We cannot trivially break RSA by applying the theorem (mod
1758:{\displaystyle c^{d}\equiv (m^{e})^{d}\equiv m{\pmod {n}}.}
30:
This article is about a cryptosystem. For the company, see
4611:, although it is not the significant part of that theorem.
2558:
to speed up the calculation using modulus of factors (mod
1356:
1355:
at all, rather than using the optimized decryption method
396:
generation, key distribution, encryption, and decryption.
206:
The security of RSA relies on the practical difficulty of
4583:
that only satisfies the weaker, but sufficient condition
7589:"Introduction to Cryptography with Open-Source Software"
7563:"From Private to Public Key Ciphers in Three Easy Steps"
5785:{\displaystyle h=q_{\text{inv}}(m_{1}-m_{2}){\pmod {p}}}
1264:, the algorithm works as well. The possibility of using
641:
corresponds to encryption and decryption, respectively.
6347:
be large enough. Michael J. Wiener showed that if
6236:
that quickly eliminate virtually all of the nonprimes.
5323:
For efficiency, many popular crypto libraries (such as
1577:
by using an agreed-upon reversible protocol known as a
348:"Cryptographic communications system and method". From
9308:
Cryptographically secure pseudorandom number generator
5382: – the primes from the key generation,
7266:
Rivest, R.; Shamir, A.; Adleman, L. (February 1978).
7129:
7085:
7014:
6965:
6061:
is sufficiently large, outside of quantum computing.
5800:
5720:
5655:
5590:
5508:
5449:
5390:
5368:
5348:
4984:
When encrypting with low encryption exponents (e.g.,
4723:
4423:
4229:
4201:
3957:
3929:
3745:
3605:
3429:
3389:
2978:
2604:
2472:
2411:
2305:
2183:
2105:
2076:
2021:
1935:
1864:
1821:
1795:
1783:
Here is an example of RSA encryption and decryption:
1693:
1597:
539:
519:
496:
472:
432:
8602:
8595:
Onur Aciicmez, Cetin Kaya Koc, Jean-Pierre Seifert:
8590:
Prime Number Hide-And-Seek: How the RSA Cipher Works
8532:(2nd ed.). MIT Press and McGraw-Hill. pp.
2547:, also from the public key, is then inverted to get
9420:
9161:
9059:
9018:
8977:
8905:
8847:
8728:
8655:
8648:
7695:"Further Attacks on Server-Aided RSA Cryptosystems"
6072:or shorter, it can be factored in a few hours on a
112:
102:
92:
87:
73:
65:
47:
42:
8489:
7478:"The RSA Cryptosystem: History, Algorithm, Primes"
7225:
7111:
7049:
7000:
5828:
5784:
5704:
5639:
5556:
5493:
5434:
5374:
5354:
4855:
4477:
4377:
4207:
4105:
3935:
3802:
3656:
3538:
3416:
3326:
2929:
2510:
2449:
2388:
2266:
2142:
2091:
2033:
1980:
1888:
1833:
1807:
1757:
1665:, but this is very unlikely to occur in practice.
1635:
1029:has been shown to be less secure in some settings.
590:
525:
502:
478:
458:
8597:On the Power of Simple Branch Prediction Analysis
7657:"Twenty Years of attacks on the RSA Cryptosystem"
6660:. The result of this computation, after applying
5557:{\displaystyle q_{\text{inv}}=q^{-1}{\pmod {p}}.}
4655:is a product of two different prime numbers, and
4519:In particular, the statement above holds for any
1171:consists of the private (or decryption) exponent
6044:As of 2020, the largest publicly known factored
5881:decryption may require the addition of a secure
5255:before encrypting it. This padding ensures that
4478:{\displaystyle (m^{e})^{d}\equiv m{\pmod {pq}}.}
3569:The proof of the correctness of RSA is based on
1021:. The smallest (and fastest) possible value for
7828:Advances in Cryptology – CRYPTO '85 Proceedings
6622:optimization used by many RSA implementations.
4390:This completes the proof that, for any integer
3657:{\displaystyle (m^{e})^{d}\equiv m{\pmod {pq}}}
591:{\displaystyle (m^{e})^{d}\equiv m{\pmod {n}}.}
354:
8174:National Institute of Standards and Technology
8086:"Riemann's Hypothesis and Tests for Primality"
7226:{\displaystyle q_{\text{inv}}\left{\pmod {p}}}
5132:to decrypt an unsuspicious-looking ciphertext
4897:Carmichael's generalization of Euler's theorem
4865:where the second-last congruence follows from
2511:{\displaystyle m=2790^{413}{\bmod {3}}233=65.}
2143:{\displaystyle 1=(17\times 413){\bmod {7}}80.}
9139:
8626:
8222:"Cryptanalysis of short RSA secret exponents"
7460:"The Early Days of RSA – History and Lessons"
6442:Importance of strong random number generation
5109:. Because of this multiplicative property, a
2450:{\displaystyle c=65^{17}{\bmod {3}}233=2790.}
1359:described below), but some standards such as
8:
8066:Lenstra, Arjen; et al. (Group) (2000).
7662:Notices of the American Mathematical Society
6955:besides 2 because this gives more values of
6641:, Alice first chooses a secret random value
6418:In October 2017, a team of researchers from
6395:, provided that the proper padding is used.
6286:, which even for "small" 1024-bit values of
5019:th root of the ciphertext over the integers.
1653:to Alice. Note that at least nine values of
338:describing the RSA algorithm was granted to
37:
8294:"Flaw Found in an Online Encryption Method"
3417:{\displaystyle h=\operatorname {hash} (m),}
1787:Choose two distinct prime numbers, such as
1198:. In fact, they can all be discarded after
218:". Breaking RSA encryption is known as the
9146:
9132:
9124:
8652:
8633:
8619:
8611:
8607:
8603:
8447:"Fault-Based Attack of RSA Authentication"
8165:Barker, Elaine; Dang, Quynh (2015-01-22).
7785:Johnson, J.; Kaliski, B. (February 2003).
7650:
7648:
6562:against the product of all the other keys
6343:It is important that the private exponent
5705:{\displaystyle m_{2}=c^{d_{Q}}{\pmod {q}}}
5640:{\displaystyle m_{1}=c^{d_{P}}{\pmod {p}}}
5022:If the same clear-text message is sent to
3360:of the message, raises it to the power of
1131:being coprime, said equation is a form of
8421:
8203:"RSA-512 certificates abused in-the-wild"
7974:
7881:
7796:
7702:
7426:
7288:
7207:
7196:
7167:
7154:
7134:
7128:
7103:
7090:
7084:
7035:
7031:
7019:
7013:
6986:
6982:
6970:
6964:
6202:Learn how and when to remove this message
5847:Integer factorization and the RSA problem
5811:
5799:
5766:
5757:
5744:
5731:
5719:
5686:
5678:
5673:
5660:
5654:
5621:
5613:
5608:
5595:
5589:
5535:
5526:
5513:
5507:
5466:
5454:
5448:
5407:
5395:
5389:
5367:
5347:
5212:. And given factorization of the modulus
5202:, one can efficiently factor the modulus
4834:
4822:
4800:
4781:
4744:
4728:
4722:
4453:
4441:
4431:
4422:
4356:
4341:
4325:
4309:
4275:
4250:
4234:
4228:
4200:
4084:
4069:
4053:
4037:
4003:
3978:
3962:
3956:
3928:
3744:
3635:
3623:
3613:
3604:
3517:
3505:
3495:
3476:
3460:
3447:
3437:
3428:
3388:
3278:
3242:
3238:
3211:
3207:
3195:
3182:
3166:
3127:
3123:
3117:
3104:
3100:
3092:
3087:
3070:
3044:
3040:
3034:
3021:
3017:
3009:
3004:
2987:
2979:
2977:
2908:
2904:
2886:
2882:
2867:
2835:
2831:
2822:
2809:
2805:
2796:
2779:
2744:
2740:
2716:
2712:
2696:
2661:
2657:
2633:
2629:
2613:
2605:
2603:
2493:
2489:
2483:
2471:
2432:
2428:
2422:
2410:
2373:
2369:
2363:
2343:
2339:
2333:
2306:
2304:
2251:
2247:
2241:
2221:
2217:
2211:
2184:
2182:
2131:
2127:
2104:
2075:
2020:
1934:
1863:
1820:
1794:
1736:
1724:
1714:
1698:
1692:
1636:{\displaystyle c\equiv m^{e}{\pmod {n}}.}
1614:
1608:
1596:
1389:to obtain a smaller equivalent exponent.
1112:can be computed efficiently by using the
569:
557:
547:
538:
518:
495:
471:
450:
440:
431:
98:variable but 2,048 to 4,096 bit typically
8130:
8128:
8068:"Factorization of a 512-bit RSA Modulus"
4150:proceeds in a completely analogous way:
1274:multiplicative group of integers modulo
1163:and the public (or encryption) exponent
8229:IEEE Transactions on Information Theory
7967:Advances in Cryptology — EUROCRYPT 2000
7574:Margaret Cozzens and Steven J. Miller.
7415:IEEE Transactions on Information Theory
7245:
6916:while also equal to −1, 0, or 1 modulo
6901:
6048:had 829 bits (250 decimal digits,
5177:from which they can derive the message
4493:
3725:is, by construction, divisible by both
1771:, she can recover the original message
644:In addition, because the two exponents
392:The RSA algorithm involves four steps:
8575:Explanation of RSA using colored lamps
7492:
7490:
6912:which are equal to −1, 0, or 1 modulo
5839:This is more efficient than computing
5128:may ask the holder of the private key
3821:To check whether two numbers, such as
1357:based on the Chinese remainder theorem
1035:is released as part of the public key.
735:is released as part of the public key.
316:Government Communications Headquarters
170:Government Communications Headquarters
36:
8352:"Remote timing attacks are practical"
8331:Heninger, Nadia (February 15, 2012).
8201:Sandee, Michael (November 21, 2011).
7693:McKee, James; Pinch, Richard (1998).
7617:. Cryptologia, Vol. 21, No. 4 (1997).
7261:
7259:
7257:
7255:
7253:
7251:
7249:
6709:Optimal Asymmetric Encryption Padding
5494:{\displaystyle d_{Q}=d{\pmod {q-1}},}
5435:{\displaystyle d_{P}=d{\pmod {p-1}},}
5319:Using the Chinese remainder algorithm
5314:Security and practical considerations
5289:Optimal Asymmetric Encryption Padding
1238:for calculating the private exponent
288:Massachusetts Institute of Technology
244:, co-inventor of RSA (the others are
176:agency, by the English mathematician
27:Algorithm for public-key cryptography
7:
8954:Naccache–Stern knapsack cryptosystem
7050:{\displaystyle m^{e-1}{\bmod {q}}=1}
7001:{\displaystyle m^{e-1}{\bmod {p}}=1}
6247:should not be "too close", lest the
6140:adding citations to reliable sources
2004:to 780. Choosing a prime number for
1578:
1408:are present in the factorisation of
606:, it is extremely difficult to find
8350:Brumley, David; Boneh, Dan (2003).
8292:Markoff, John (February 14, 2012).
8039:Machie, Edmond K. (29 March 2013).
7758:Dukhovni, Viktor (August 1, 2015).
7353:Castelvecchi, Davide (2020-10-30).
7215:
6558:to compute the GCD of each RSA key
6430:known as RSALib. A large number of
6306:is trivial. Furthermore, if either
5774:
5694:
5629:
5543:
5474:
5415:
4895:, the same conclusion follows from
4842:
4461:
4364:
4092:
3643:
3565:Proof using Fermat's little theorem
3525:
1889:{\displaystyle n=61\times 53=3233.}
1744:
1622:
577:
8110:. Cado-nfs-discuss. Archived from
7731:Dukhovni, Viktor (July 31, 2015).
7476:Calderbank, Michael (2007-08-20).
7327:Smart, Nigel (February 19, 2008).
6948:has other divisors in common with
6687:Adaptive chosen-ciphertext attacks
6407:is a commonly used value for
5995:for a discussion of this problem.
5230:) generated against a public key (
5222:, one can obtain any private key (
5063:deterministic encryption algorithm
5011:is strictly less than the modulus
3803:{\displaystyle ed-1=h(p-1)=k(q-1)}
2554:Practical implementations use the
2551:, thus acquiring the private key.
2398:For instance, in order to encrypt
1681:by using her private key exponent
1581:. He then computes the ciphertext
25:
8416:. ASIACCS '07. pp. 312–320.
7615:"Cryptography As a Teaching Tool"
7528:"A Note on Non-Secret Encryption"
6697:adaptive chosen-ciphertext attack
6509:'), then a simple computation of
6377:can be computed efficiently from
5983:that allows the determination of
5892:is defined as the task of taking
5281:adaptive chosen-ciphertext attack
4663:are positive integers satisfying
3684:are positive integers satisfying
1775:by reversing the padding scheme.
1363:(Section B.3.1) may require that
1025:is 3, but such a small value for
156:"RSA" comes from the surnames of
9496:
9495:
8492:Handbook of Applied Cryptography
8465:"Practical Cryptography With Go"
6824:
6116:
625:represents the private key, and
195:is public and distinct from the
8985:Discrete logarithm cryptography
8220:Wiener, Michael J. (May 1990).
8106:Zimmermann, Paul (2020-02-28).
7208:
6920:. There will be more values of
6845:Computational complexity theory
6127:needs additional citations for
5767:
5687:
5622:
5536:
5467:
5408:
4835:
4454:
4357:
4085:
3676:are distinct prime numbers and
3636:
3518:
1737:
1615:
1205:In the original RSA paper, the
570:
9357:Information-theoretic security
8395:"RSA Signature Forgery in NSS"
8315:"Ron was wrong, Whit is right"
7721:, Second edition, 1994. p. 94.
7219:
7209:
7119:, then some libraries compute
7112:{\displaystyle m_{1}<m_{2}}
6695:described the first practical
6490:is another, then if by chance
6320:has only small prime factors,
5778:
5768:
5763:
5737:
5698:
5688:
5633:
5623:
5547:
5537:
5484:
5468:
5425:
5409:
4846:
4836:
4819:
4812:
4797:
4791:
4785:
4774:
4763:
4757:
4701:for some non-negative integer
4468:
4455:
4438:
4424:
4368:
4358:
4322:
4302:
4291:
4279:
4096:
4086:
4050:
4030:
4019:
4007:
3810:for some nonnegative integers
3797:
3785:
3776:
3764:
3650:
3637:
3620:
3606:
3564:
3529:
3519:
3502:
3488:
3444:
3430:
3408:
3402:
3235:
3220:
3204:
3201:
3175:
3159:
2879:
2860:
2857:
2759:
2745:
2731:
2717:
2676:
2662:
2648:
2634:
2319:
2313:
2197:
2191:
2124:
2112:
2052:modular multiplicative inverse
1969:
1957:
1945:
1939:
1748:
1738:
1721:
1707:
1626:
1616:
1471:modular multiplicative inverse
1069:modular multiplicative inverse
872:may be calculated through the
581:
571:
554:
540:
447:
433:
1:
9526:Public-key encryption schemes
6718:Side-channel analysis attacks
6362:(which is quite typical) and
5857:Integer factorization records
5582:more efficiently as follows:
4565:, and thus trivially also by
2522:square-and-multiply algorithm
2299:, the decryption function is
2177:, the encryption function is
2008:leaves us only to check that
1902:Carmichael's totient function
1512:wants to send information to
1175:, which must be kept secret.
757:Carmichael's totient function
411:, such that for all integers
9000:Non-commutative cryptography
8585:Thorough walk through of RSA
8135:Kaliski, Burt (2003-05-06).
7497:Robinson, Sara (June 2003).
5896:th roots modulo a composite
5187:with the modular inverse of
5061:Because RSA encryption is a
4208:{\displaystyle \not \equiv }
3936:{\displaystyle \not \equiv }
1392:Since any common factors of
1114:extended Euclidean algorithm
629:represents the message. The
376:When the patent was issued,
9473:Message authentication code
9428:Cryptographic hash function
9231:Cryptographic hash function
9097:Identity-based cryptography
8990:Elliptic-curve cryptography
8182:10.6028/NIST.SP.800-57pt3r1
6860:Elliptic-curve cryptography
6855:Digital Signature Algorithm
6850:Diffie–Hellman key exchange
6728:simultaneous multithreading
6446:A cryptographically strong
6332:, and hence such values of
6324:can be factored quickly by
6015:extended Riemann hypothesis
5198:Given the private exponent
4925:is not relatively prime to
4686:are positive, we can write
4619:Proof using Euler's theorem
1585:, using Alice's public key
1139:is one of the coefficients.
690:until two primes are found.
459:{\displaystyle (m^{e})^{d}}
352:'s abstract of the patent:
9547:
9352:Harvest now, decrypt later
8529:Introduction to Algorithms
8108:"Factorization of RSA-250"
7379:10.1038/d41586-020-03068-9
6213:
5931:is an RSA public key, and
5850:
5841:exponentiation by squaring
5829:{\displaystyle m=m_{2}+hq}
4991:) and small values of the
678:To make factoring harder,
652:using the same algorithm.
122:General number field sieve
29:
9531:Digital signature schemes
9491:
9468:Post-quantum cryptography
9123:
9102:Post-quantum cryptography
9051:Post-Quantum Cryptography
8610:
8606:
8207:Fox-IT International blog
8045:. Trafford. p. 167.
7859:Coppersmith, Don (1997).
7791:. Network Working Group.
7602:"Public key Cryptography"
7276:Communications of the ACM
6620:Chinese remainder theorem
6224:Finding the large primes
5337:Chinese remainder theorem
5044:Chinese remainder theorem
4976:Attacks against plain RSA
4609:Chinese remainder theorem
3870:, we consider two cases:
2556:Chinese remainder theorem
2012:is not a divisor of 780.
1554:To do it, he first turns
1492:, do the reverse (choose
1442:, it is recommended that
621:comprise the public key,
598:However, when given only
210:the product of two large
120:
9458:Quantum key distribution
9448:Authenticated encryption
9303:Random number generation
8137:"TWIRL and RSA Key Size"
8084:Miller, Gary L. (1975).
7976:10.1007/3-540-45539-6_25
7836:10.1007/3-540-39799-X_29
7437:10.1109/TIT.1976.1055638
6556:Daniel J. Bernstein
6436:trusted platform modules
6029:is as hard as factoring
5111:chosen-ciphertext attack
4872:More generally, for any
1657:will yield a ciphertext
1562:(strictly speaking, the
1159:consists of the modulus
650:signing and verification
124:for classical computers;
9453:Public-key cryptography
9443:Symmetric-key algorithm
9236:Key derivation function
9196:Cryptographic primitive
9189:Authentication protocol
9174:Outline of cryptography
9169:History of cryptography
8995:Hash-based cryptography
8642:Public-key cryptography
8432:10.1145/1229285.1266999
8279:10.1145/3133956.3133969
6880:Public-key cryptography
6675:, and so the effect of
6475:is one public key, and
6448:random number generator
6151:"RSA" cryptosystem
5867:factoring large numbers
5853:RSA Factoring Challenge
5155:' is the encryption of
5067:chosen plaintext attack
4713:is relatively prime to
4618:
4117:Fermat's little theorem
3571:Fermat's little theorem
1253:is always divisible by
150:public-key cryptosystem
9241:Secure Hash Algorithms
9184:Cryptographic protocol
7329:"Dr Clifford Cocks CB"
7227:
7113:
7051:
7002:
6908:Namely, the values of
6840:Acoustic cryptanalysis
6628:cryptographic blinding
6540:, instead of choosing
5830:
5786:
5706:
5641:
5558:
5495:
5436:
5376:
5356:
4857:
4479:
4379:
4209:
4135:The verification that
4107:
3937:
3804:
3658:
3540:
3418:
3379:This works because of
3328:
2931:
2526:modular exponentiation
2512:
2451:
2390:
2268:
2144:
2093:
2092:{\displaystyle d=413,}
2035:
1982:
1890:
1835:
1809:
1759:
1647:modular exponentiation
1637:
1566:plaintext), such that
1539:is never distributed.
1266:Euler totient function
1207:Euler totient function
1145:is kept secret as the
1089:This means: solve for
700:should be kept secret.
631:modular exponentiation
592:
527:
504:
480:
460:
359:
342:on 20 September 1983:
270:modular exponentiation
253:
129:for quantum computers.
9347:End-to-end encryption
9293:Cryptojacking malware
8657:Integer factorization
8561:U.S. patent 4,405,829
8516:Leiserson, Charles E.
7934:10.1145/800070.802212
7892:10.1007/s001459900030
7869:Journal of Cryptology
7600:Surender R. Chiluka.
7299:10.1145/359340.359342
7228:
7114:
7052:
7003:
6741:Tricky implementation
6693:Daniel Bleichenbacher
6460:Arjen K. Lenstra
6340:should be discarded.
6108:Faulty key generation
5993:integer factorization
5900:: recovering a value
5831:
5794:
5787:
5714:
5707:
5649:
5642:
5584:
5559:
5496:
5437:
5377:
5357:
5307:U.S. patent 7,036,014
5301:U.S. patent 6,266,771
4858:
4630:We want to show that
4480:
4380:
4210:
4108:
3938:
3805:
3659:
3599:We want to show that
3560:Proofs of correctness
3541:
3419:
3329:
2932:
2513:
2452:
2391:
2269:
2145:
2094:
2036:
1983:
1891:
1836:
1810:
1760:
1649:. Bob then transmits
1638:
1321:. However, computing
593:
528:
505:
481:
461:
345:U.S. patent 4,405,829
240:
146:Rivest–Shamir–Adleman
18:Rivest Shamir Adleman
9463:Quantum cryptography
9387:Trusted timestamping
8015:"OpenSSL bn_s390x.c"
7760:"common factors in (
7733:"common factors in (
7544:on 28 September 2018
7526:(20 November 1973).
7127:
7083:
7012:
6963:
6705:Secure Sockets Layer
6616:Secure Sockets Layer
6397:Coppersmith's attack
6249:Fermat factorization
6216:Coppersmith's attack
6136:improve this article
6100:, breaking RSA; see
5798:
5718:
5653:
5588:
5506:
5447:
5388:
5366:
5346:
5056:Coppersmith's attack
4914:relatively prime to
4899:, which states that
4721:
4607:This is part of the
4421:
4227:
4199:
3955:
3927:
3743:
3603:
3427:
3387:
2976:
2602:
2470:
2409:
2303:
2181:
2103:
2074:
2034:{\displaystyle e=17}
2019:
1933:
1862:
1834:{\displaystyle q=53}
1819:
1808:{\displaystyle p=61}
1793:
1691:
1595:
1147:private key exponent
537:
517:
494:
470:
430:
314:intelligence agency
174:signals intelligence
172:(GCHQ), the British
9216:Cryptographic nonce
8960:Three-pass protocol
8375:. 25 September 2014
8095:. pp. 234–239.
7655:Boneh, Dan (1999).
7587:Alasdair McAndrew.
7371:2020Natur.587..189C
5071:semantically secure
2292:. For an encrypted
1589:, corresponding to
1465:and then computing
1227:is used instead of
1202:has been computed.
1116:, since, thanks to
874:Euclidean algorithm
363:Scientific American
39:
9332:Subliminal channel
9316:Pseudorandom noise
9258:Key (cryptography)
8730:Discrete logarithm
8299:The New York Times
7399:2020 interview of
7333:Bristol University
7223:
7109:
7047:
6998:
6885:Rabin cryptosystem
6832:Mathematics portal
6424:ROCA vulnerability
6420:Masaryk University
6255:be successful. If
5943:from a public key
5826:
5782:
5702:
5637:
5554:
5491:
5432:
5372:
5352:
5283:. Furthermore, at
5262:Standards such as
4853:
4475:
4375:
4205:
4103:
3933:
3800:
3664:for every integer
3654:
3536:
3414:
3324:
3322:
2927:
2925:
2508:
2447:
2386:
2384:
2264:
2262:
2140:
2089:
2031:
1992:Choose any number
1978:
1904:of the product as
1886:
1831:
1805:
1755:
1673:Alice can recover
1633:
1270:Lagrange's theorem
1268:results also from
935:Choose an integer
588:
523:
500:
476:
456:
367:Mathematical Games
268:, RSA is based on
254:
180:. That system was
9513:
9512:
9509:
9508:
9392:Key-based routing
9382:Trapdoor function
9248:Digital signature
9119:
9118:
9115:
9114:
9067:Digital signature
9010:Trapdoor function
8973:
8972:
8690:Goldwasser–Micali
8543:978-0-262-03293-3
8520:Rivest, Ronald L.
8512:Cormen, Thomas H.
8503:978-0-8493-8523-0
8337:Freedom to Tinker
7986:978-3-540-45539-4
7943:978-0-89791-070-5
7914:Goldwasser, Shafi
7845:978-3-540-16463-0
7175:
7137:
6890:Trapdoor function
6584:atmospheric noise
6212:
6211:
6204:
6186:
6074:personal computer
5734:
5516:
5375:{\displaystyle q}
5355:{\displaystyle p}
5005:), the result of
4169:is a multiple of
3897:is a multiple of
3889:is a multiple of
3169:
2870:
2782:
2466:, one calculates
2405:, one calculates
1133:Bézout's identity
664:Choose two large
526:{\displaystyle n}
503:{\displaystyle n}
479:{\displaystyle m}
216:factoring problem
139:
138:
16:(Redirected from
9538:
9499:
9498:
9327:Insecure channel
9179:Classical cipher
9148:
9141:
9134:
9125:
8956:
8857:
8852:
8812:signature scheme
8715:Okamoto–Uchiyama
8653:
8635:
8628:
8621:
8612:
8608:
8604:
8576:
8563:
8547:
8507:
8495:
8476:
8475:
8473:
8471:
8460:
8454:
8453:
8451:
8442:
8436:
8435:
8425:
8409:
8403:
8402:
8391:
8385:
8384:
8382:
8380:
8369:
8363:
8362:
8356:
8347:
8341:
8340:
8328:
8322:
8321:
8319:
8310:
8304:
8303:
8289:
8283:
8282:
8268:
8259:
8253:
8252:
8241:10.1109/18.54902
8226:
8217:
8211:
8210:
8198:
8192:
8191:
8189:
8188:
8171:
8162:
8156:
8155:
8153:
8152:
8143:. Archived from
8141:RSA Laboratories
8132:
8123:
8122:
8120:
8119:
8103:
8097:
8096:
8090:
8081:
8075:
8074:
8072:
8063:
8057:
8056:
8036:
8030:
8029:
8027:
8025:
8011:
8005:
8004:
7997:
7991:
7990:
7978:
7962:
7956:
7955:
7910:
7904:
7903:
7885:
7865:
7856:
7850:
7849:
7823:
7817:
7816:
7814:
7812:
7800:
7798:10.17487/RFC3447
7782:
7776:
7775:
7755:
7749:
7748:
7728:
7722:
7715:
7709:
7708:
7706:
7690:
7684:
7677:
7671:
7670:
7652:
7643:
7642:
7640:
7639:
7634:on June 21, 2007
7630:. Archived from
7624:
7618:
7611:
7605:
7598:
7592:
7585:
7579:
7572:
7566:
7559:
7553:
7552:
7550:
7549:
7543:
7537:. Archived from
7532:
7520:
7514:
7513:
7503:
7494:
7485:
7484:
7482:
7473:
7467:
7466:
7464:
7458:Rivest, Ronald.
7455:
7449:
7448:
7430:
7410:
7404:
7398:
7350:
7344:
7343:
7341:
7339:
7324:
7318:
7317:
7315:
7309:. Archived from
7292:
7272:
7263:
7234:
7232:
7230:
7229:
7224:
7222:
7206:
7202:
7201:
7200:
7188:
7184:
7180:
7176:
7168:
7159:
7158:
7139:
7138:
7135:
7122:
7118:
7116:
7115:
7110:
7108:
7107:
7095:
7094:
7077:
7071:
7064:
7058:
7056:
7054:
7053:
7048:
7040:
7039:
7030:
7029:
7007:
7005:
7004:
6999:
6991:
6990:
6981:
6980:
6958:
6954:
6947:
6940:
6933:
6923:
6919:
6915:
6911:
6906:
6834:
6829:
6828:
6724:branch predictor
6682:
6678:
6674:
6659:
6644:
6640:
6605:
6577:
6565:
6561:
6547:
6543:
6539:
6535:
6531:
6527:
6523:
6508:
6505:is not equal to
6504:
6500:
6489:
6474:
6457:
6453:
6414:
6410:
6402:
6394:
6384:
6380:
6376:
6372:
6361:
6354:
6350:
6346:
6339:
6335:
6323:
6319:
6312:
6305:
6301:
6297:
6295:
6289:
6285:
6271:
6264:
6254:
6246:
6242:
6231:
6227:
6207:
6200:
6196:
6193:
6187:
6185:
6144:
6120:
6112:
6102:Shor's algorithm
6094:quantum computer
6067:
6060:
6040:
6036:
6032:
6028:
6024:
6020:
6001:
5990:
5986:
5982:
5970:
5966:
5962:
5958:
5954:
5942:
5938:
5934:
5930:
5918:
5903:
5899:
5895:
5861:Shor's algorithm
5835:
5833:
5832:
5827:
5816:
5815:
5791:
5789:
5788:
5783:
5781:
5762:
5761:
5749:
5748:
5736:
5735:
5732:
5711:
5709:
5708:
5703:
5701:
5685:
5684:
5683:
5682:
5665:
5664:
5646:
5644:
5643:
5638:
5636:
5620:
5619:
5618:
5617:
5600:
5599:
5581:
5563:
5561:
5560:
5555:
5550:
5534:
5533:
5518:
5517:
5514:
5500:
5498:
5497:
5492:
5487:
5459:
5458:
5441:
5439:
5438:
5433:
5428:
5400:
5399:
5381:
5379:
5378:
5373:
5361:
5359:
5358:
5353:
5309:
5303:
5273:
5269:
5258:
5254:
5237:
5233:
5229:
5225:
5221:
5211:
5201:
5194:
5190:
5186:
5180:
5176:
5165:
5154:
5150:
5146:
5131:
5127:
5108:
5041:
5038:, and therefore
5037:
5033:
5030:, but different
5029:
5025:
5018:
5014:
5010:
5004:
4994:
4990:
4966:
4955:
4944:
4928:
4924:
4917:
4913:
4909:
4894:
4879:
4875:
4862:
4860:
4859:
4854:
4849:
4827:
4826:
4805:
4804:
4795:
4794:
4767:
4766:
4736:
4735:
4716:
4712:
4704:
4700:
4685:
4681:
4677:
4662:
4658:
4654:
4644:
4612:
4605:
4599:
4597:
4582:
4578:
4571:
4564:
4554:is divisible by
4553:
4541:
4526:
4522:
4517:
4511:
4509:
4498:
4484:
4482:
4481:
4476:
4471:
4446:
4445:
4436:
4435:
4416:
4401:
4397:
4393:
4384:
4382:
4381:
4376:
4371:
4346:
4345:
4330:
4329:
4320:
4319:
4295:
4294:
4264:
4263:
4242:
4241:
4220:
4214:
4212:
4211:
4206:
4187:
4172:
4164:
4149:
4128:
4112:
4110:
4109:
4104:
4099:
4074:
4073:
4058:
4057:
4048:
4047:
4023:
4022:
3992:
3991:
3970:
3969:
3948:
3942:
3940:
3939:
3934:
3915:
3900:
3892:
3888:
3884:
3869:
3851:
3844:
3837:
3831:, are congruent
3830:
3826:
3817:
3813:
3809:
3807:
3806:
3801:
3738:
3731:
3724:
3698:
3683:
3679:
3675:
3671:
3667:
3663:
3661:
3660:
3655:
3653:
3628:
3627:
3618:
3617:
3595:
3591:
3587:
3584:for any integer
3583:
3545:
3543:
3542:
3537:
3532:
3510:
3509:
3500:
3499:
3484:
3483:
3468:
3467:
3452:
3451:
3442:
3441:
3423:
3421:
3420:
3415:
3375:
3371:
3367:
3363:
3337:Signing messages
3333:
3331:
3330:
3325:
3323:
3283:
3282:
3247:
3246:
3216:
3215:
3200:
3199:
3187:
3186:
3171:
3170:
3167:
3132:
3131:
3122:
3121:
3109:
3108:
3099:
3098:
3097:
3096:
3075:
3074:
3049:
3048:
3039:
3038:
3026:
3025:
3016:
3015:
3014:
3013:
2992:
2991:
2971:
2967:
2963:
2956:
2947:
2936:
2934:
2933:
2928:
2926:
2913:
2912:
2891:
2890:
2872:
2871:
2868:
2853:
2840:
2839:
2830:
2829:
2814:
2813:
2804:
2803:
2784:
2783:
2780:
2749:
2748:
2721:
2720:
2701:
2700:
2666:
2665:
2638:
2637:
2618:
2617:
2597:
2590:
2581:
2550:
2546:
2542:
2538:
2534:
2517:
2515:
2514:
2509:
2498:
2497:
2488:
2487:
2465:
2456:
2454:
2453:
2448:
2437:
2436:
2427:
2426:
2404:
2395:
2393:
2392:
2387:
2385:
2378:
2377:
2368:
2367:
2352:
2348:
2347:
2338:
2337:
2298:
2291:
2273:
2271:
2270:
2265:
2263:
2256:
2255:
2246:
2245:
2230:
2226:
2225:
2216:
2215:
2176:
2168:
2149:
2147:
2146:
2141:
2136:
2135:
2098:
2096:
2095:
2090:
2068:
2049:
2040:
2038:
2037:
2032:
2011:
2007:
1999:
1987:
1985:
1984:
1979:
1926:
1895:
1893:
1892:
1887:
1855:
1840:
1838:
1837:
1832:
1814:
1812:
1811:
1806:
1774:
1770:
1764:
1762:
1761:
1756:
1751:
1729:
1728:
1719:
1718:
1703:
1702:
1684:
1680:
1676:
1664:
1660:
1656:
1652:
1642:
1640:
1639:
1634:
1629:
1613:
1612:
1588:
1584:
1576:
1561:
1557:
1550:
1538:
1530:
1504:Key distribution
1499:
1495:
1487:
1476:
1468:
1464:
1457:
1449:
1441:
1421:
1414:
1407:
1399:
1388:
1377:
1354:
1350:
1335:
1324:
1320:
1301:
1282:
1263:
1252:
1241:
1237:
1226:
1201:
1197:
1193:
1182:
1178:
1174:
1166:
1162:
1144:
1138:
1130:
1119:
1111:
1107:
1092:
1085:
1074:
1066:
1062:
1043:
1034:
1028:
1024:
1020:
1019:
1018:
1010:
998:
988:
977:
973:
954:
938:
929:
916:
915:
913:
912:
901:
898:
896:
871:
864:
845:
830:
805:
801:
797:
754:
750:
734:
720:
714:
699:
695:
685:
681:
674:
670:
640:
636:
628:
624:
620:
616:
609:
605:
601:
597:
595:
594:
589:
584:
562:
561:
552:
551:
532:
530:
529:
524:
512:congruent modulo
509:
507:
506:
501:
490:when divided by
485:
483:
482:
477:
465:
463:
462:
457:
455:
454:
445:
444:
425:
414:
410:
406:
402:
347:
310:working for the
258:Whitfield Diffie
187:In a public-key
135:has been broken.
127:Shor's algorithm
40:
21:
9546:
9545:
9541:
9540:
9539:
9537:
9536:
9535:
9516:
9515:
9514:
9505:
9487:
9416:
9157:
9152:
9111:
9055:
9019:Standardization
9014:
8969:
8952:
8901:
8849:Lattice/SVP/CVP
8843:
8724:
8670:Blum–Goldwasser
8644:
8639:
8574:
8559:
8554:
8544:
8524:Stein, Clifford
8510:
8504:
8487:
8484:
8482:Further reading
8479:
8469:
8467:
8462:
8461:
8457:
8449:
8444:
8443:
8439:
8411:
8410:
8406:
8393:
8392:
8388:
8378:
8376:
8371:
8370:
8366:
8354:
8349:
8348:
8344:
8330:
8329:
8325:
8317:
8312:
8311:
8307:
8291:
8290:
8286:
8266:
8261:
8260:
8256:
8224:
8219:
8218:
8214:
8200:
8199:
8195:
8186:
8184:
8169:
8164:
8163:
8159:
8150:
8148:
8134:
8133:
8126:
8117:
8115:
8105:
8104:
8100:
8088:
8083:
8082:
8078:
8070:
8065:
8064:
8060:
8053:
8038:
8037:
8033:
8023:
8021:
8013:
8012:
8008:
8001:"RSA Algorithm"
7999:
7998:
7994:
7987:
7964:
7963:
7959:
7944:
7912:
7911:
7907:
7883:10.1.1.298.4806
7863:
7858:
7857:
7853:
7846:
7825:
7824:
7820:
7810:
7808:
7784:
7783:
7779:
7774:(Mailing list).
7757:
7756:
7752:
7747:(Mailing list).
7730:
7729:
7725:
7716:
7712:
7692:
7691:
7687:
7678:
7674:
7654:
7653:
7646:
7637:
7635:
7626:
7625:
7621:
7612:
7608:
7599:
7595:
7586:
7582:
7573:
7569:
7561:Jim Sauerberg.
7560:
7556:
7547:
7545:
7541:
7535:www.gchq.gov.uk
7530:
7522:
7521:
7517:
7501:
7496:
7495:
7488:
7480:
7475:
7474:
7470:
7462:
7457:
7456:
7452:
7412:
7411:
7407:
7352:
7351:
7347:
7337:
7335:
7326:
7325:
7321:
7313:
7290:10.1.1.607.2677
7270:
7265:
7264:
7247:
7243:
7238:
7237:
7192:
7163:
7150:
7149:
7145:
7144:
7140:
7130:
7125:
7124:
7120:
7099:
7086:
7081:
7080:
7078:
7074:
7065:
7061:
7015:
7010:
7009:
6966:
6961:
6960:
6956:
6949:
6942:
6935:
6925:
6921:
6917:
6913:
6909:
6907:
6903:
6898:
6830:
6823:
6820:
6755:
6753:Implementations
6743:
6720:
6689:
6680:
6676:
6665:
6662:Euler's theorem
6646:
6642:
6631:
6603:
6596:
6567:
6563:
6559:
6548:independently.
6545:
6541:
6537:
6533:
6529:
6525:
6510:
6506:
6502:
6491:
6476:
6466:
6455:
6451:
6444:
6412:
6408:
6400:
6389:
6382:
6378:
6374:
6363:
6356:
6352:
6348:
6344:
6337:
6333:
6321:
6314:
6307:
6303:
6299:
6298:), solving for
6293:
6291:
6287:
6273:
6266:
6256:
6252:
6244:
6240:
6234:primality tests
6229:
6225:
6222:
6220:Wiener's attack
6208:
6197:
6191:
6188:
6145:
6143:
6133:
6121:
6110:
6098:polynomial time
6065:
6058:
6038:
6034:
6030:
6026:
6022:
6018:
5999:
5988:
5984:
5972:
5971:, and computes
5968:
5964:
5960:
5956:
5955:, then decrypt
5944:
5940:
5936:
5932:
5920:
5905:
5901:
5897:
5893:
5863:
5849:
5807:
5796:
5795:
5793:
5753:
5740:
5727:
5716:
5715:
5713:
5674:
5669:
5656:
5651:
5650:
5648:
5609:
5604:
5591:
5586:
5585:
5583:
5568:
5522:
5509:
5504:
5503:
5450:
5445:
5444:
5391:
5386:
5385:
5364:
5363:
5344:
5343:
5321:
5316:
5305:
5299:
5271:
5267:
5256:
5252:
5251:into the value
5245:
5243:Padding schemes
5235:
5231:
5227:
5223:
5213:
5203:
5199:
5192:
5188:
5182:
5181:by multiplying
5178:
5167:
5156:
5152:
5148:
5147:for some value
5133:
5129:
5114:
5102:
5096:
5089:
5083:
5077:
5052:Don Coppersmith
5039:
5035:
5031:
5027:
5023:
5016:
5012:
5006:
4996:
4992:
4985:
4978:
4973:
4957:
4946:
4930:
4926:
4922:
4915:
4911:
4900:
4881:
4877:
4873:
4867:Euler's theorem
4818:
4796:
4777:
4740:
4724:
4719:
4718:
4714:
4710:
4702:
4687:
4683:
4679:
4664:
4660:
4656:
4646:
4631:
4625:Euler's theorem
4621:
4616:
4615:
4606:
4602:
4584:
4580:
4573:
4566:
4555:
4543:
4528:
4524:
4520:
4518:
4514:
4505:
4499:
4495:
4490:
4437:
4427:
4419:
4418:
4403:
4399:
4395:
4394:, and integers
4391:
4337:
4321:
4305:
4271:
4246:
4230:
4225:
4224:
4197:
4196:
4192:
4174:
4170:
4155:
4136:
4120:
4065:
4049:
4033:
3999:
3974:
3958:
3953:
3952:
3925:
3924:
3920:
3902:
3898:
3890:
3886:
3875:
3856:
3846:
3839:
3832:
3828:
3822:
3815:
3811:
3741:
3740:
3739:, we can write
3733:
3726:
3703:
3685:
3681:
3677:
3673:
3669:
3665:
3619:
3609:
3601:
3600:
3593:
3592:, not dividing
3589:
3585:
3574:
3573:, stating that
3567:
3562:
3501:
3491:
3472:
3456:
3443:
3433:
3425:
3424:
3385:
3384:
3373:
3369:
3365:
3361:
3339:
3321:
3320:
3274:
3267:
3261:
3260:
3191:
3178:
3162:
3152:
3146:
3145:
3113:
3088:
3083:
3076:
3066:
3063:
3062:
3030:
3005:
3000:
2993:
2983:
2974:
2973:
2969:
2965:
2962:
2958:
2955:
2949:
2946:
2940:
2924:
2923:
2863:
2851:
2850:
2818:
2792:
2785:
2775:
2772:
2771:
2702:
2692:
2689:
2688:
2619:
2609:
2600:
2599:
2596:
2592:
2589:
2583:
2580:
2574:
2548:
2544:
2540:
2536:
2529:
2479:
2468:
2467:
2460:
2418:
2407:
2406:
2399:
2383:
2382:
2359:
2350:
2349:
2329:
2322:
2301:
2300:
2296:
2281:
2261:
2260:
2237:
2228:
2227:
2207:
2200:
2179:
2178:
2174:
2169:. For a padded
2158:
2101:
2100:
2072:
2071:
2070:
2055:
2047:
2017:
2016:
2009:
2005:
1993:
1931:
1930:
1905:
1860:
1859:
1847:
1817:
1816:
1791:
1790:
1781:
1772:
1768:
1720:
1710:
1694:
1689:
1688:
1682:
1678:
1674:
1671:
1662:
1658:
1654:
1650:
1604:
1593:
1592:
1586:
1582:
1567:
1559:
1555:
1548:
1545:
1532:
1520:
1506:
1497:
1493:
1478:
1474:
1466:
1462:
1451:
1443:
1423:
1416:
1409:
1401:
1393:
1379:
1364:
1361:FIPS 186-4
1352:
1337:
1326:
1322:
1303:
1302:also satisfies
1284:
1280:
1272:applied to the
1254:
1243:
1239:
1228:
1209:
1199:
1195:
1184:
1180:
1176:
1172:
1164:
1160:
1142:
1136:
1121:
1117:
1109:
1094:
1090:
1076:
1072:
1064:
1045:
1041:
1032:
1026:
1022:
1016:
1014:
1012:
1008:
999:having a short
996:
979:
975:
956:
940:
936:
930:is kept secret.
920:
902:
899:
892:
890:
889:
887:
877:
869:
847:
832:
831:, and likewise
807:
803:
799:
760:
752:
741:
732:
721:is used as the
718:
706:
697:
693:
683:
679:
672:
668:
658:
638:
634:
626:
622:
618:
614:
607:
603:
599:
553:
543:
535:
534:
515:
514:
492:
491:
468:
467:
446:
436:
428:
427:
416:
412:
408:
404:
400:
390:
378:terms of patent
343:
332:
284:Leonard Adleman
250:Leonard Adleman
235:
166:Leonard Adleman
130:
125:
66:First published
60:Leonard Adleman
35:
28:
23:
22:
15:
12:
11:
5:
9544:
9542:
9534:
9533:
9528:
9518:
9517:
9511:
9510:
9507:
9506:
9504:
9503:
9492:
9489:
9488:
9486:
9485:
9480:
9478:Random numbers
9475:
9470:
9465:
9460:
9455:
9450:
9445:
9440:
9435:
9430:
9424:
9422:
9418:
9417:
9415:
9414:
9409:
9404:
9402:Garlic routing
9399:
9394:
9389:
9384:
9379:
9374:
9369:
9364:
9359:
9354:
9349:
9344:
9339:
9334:
9329:
9324:
9322:Secure channel
9319:
9313:
9312:
9311:
9300:
9295:
9290:
9285:
9280:
9278:Key stretching
9275:
9270:
9265:
9260:
9255:
9250:
9245:
9244:
9243:
9238:
9233:
9223:
9221:Cryptovirology
9218:
9213:
9208:
9206:Cryptocurrency
9203:
9198:
9193:
9192:
9191:
9181:
9176:
9171:
9165:
9163:
9159:
9158:
9153:
9151:
9150:
9143:
9136:
9128:
9121:
9120:
9117:
9116:
9113:
9112:
9110:
9109:
9104:
9099:
9094:
9089:
9084:
9079:
9074:
9069:
9063:
9061:
9057:
9056:
9054:
9053:
9048:
9043:
9038:
9033:
9028:
9022:
9020:
9016:
9015:
9013:
9012:
9007:
9002:
8997:
8992:
8987:
8981:
8979:
8975:
8974:
8971:
8970:
8968:
8967:
8962:
8957:
8950:
8948:Merkle–Hellman
8945:
8940:
8935:
8930:
8925:
8920:
8915:
8909:
8907:
8903:
8902:
8900:
8899:
8894:
8889:
8884:
8879:
8874:
8869:
8863:
8861:
8845:
8844:
8842:
8841:
8836:
8831:
8826:
8821:
8816:
8815:
8814:
8804:
8799:
8794:
8793:
8792:
8787:
8777:
8772:
8771:
8770:
8765:
8755:
8750:
8745:
8740:
8734:
8732:
8726:
8725:
8723:
8722:
8717:
8712:
8707:
8702:
8697:
8695:Naccache–Stern
8692:
8687:
8682:
8677:
8672:
8667:
8661:
8659:
8650:
8646:
8645:
8640:
8638:
8637:
8630:
8623:
8615:
8601:
8600:
8592:
8587:
8582:
8571:
8566:
8553:
8552:External links
8550:
8549:
8548:
8542:
8508:
8502:
8483:
8480:
8478:
8477:
8455:
8437:
8423:10.1.1.80.1438
8404:
8386:
8364:
8342:
8323:
8305:
8284:
8254:
8235:(3): 553–558.
8212:
8193:
8176:. p. 12.
8157:
8124:
8098:
8076:
8058:
8052:978-1466985742
8051:
8031:
8006:
7992:
7985:
7957:
7942:
7920:(1982-05-05).
7918:Micali, Silvio
7905:
7876:(4): 233–260.
7851:
7844:
7818:
7777:
7750:
7723:
7710:
7704:10.1.1.33.1333
7685:
7681:Bruce Schneier
7672:
7644:
7619:
7613:Neal Koblitz.
7606:
7593:
7580:
7567:
7554:
7515:
7486:
7468:
7450:
7428:10.1.1.37.9720
7421:(6): 644–654.
7405:
7345:
7319:
7316:on 2023-01-27.
7283:(2): 120–126.
7244:
7242:
7239:
7236:
7235:
7221:
7218:
7214:
7211:
7205:
7199:
7195:
7191:
7187:
7183:
7179:
7174:
7171:
7166:
7162:
7157:
7153:
7148:
7143:
7133:
7106:
7102:
7098:
7093:
7089:
7072:
7059:
7046:
7043:
7038:
7034:
7028:
7025:
7022:
7018:
6997:
6994:
6989:
6985:
6979:
6976:
6973:
6969:
6953: − 1
6946: − 1
6939: − 1
6900:
6899:
6897:
6894:
6893:
6892:
6887:
6882:
6877:
6872:
6870:Key management
6867:
6862:
6857:
6852:
6847:
6842:
6836:
6835:
6819:
6816:
6815:
6814:
6809:
6804:
6799:
6794:
6789:
6784:
6779:
6774:
6769:
6764:
6754:
6751:
6742:
6739:
6719:
6716:
6701:padding scheme
6688:
6685:
6595:
6594:Timing attacks
6592:
6552:Nadia Heninger
6443:
6440:
6422:announced the
6210:
6209:
6124:
6122:
6115:
6109:
6106:
6092:showed that a
5883:padding scheme
5848:
5845:
5825:
5822:
5819:
5814:
5810:
5806:
5803:
5780:
5777:
5773:
5770:
5765:
5760:
5756:
5752:
5747:
5743:
5739:
5730:
5726:
5723:
5700:
5697:
5693:
5690:
5681:
5677:
5672:
5668:
5663:
5659:
5635:
5632:
5628:
5625:
5616:
5612:
5607:
5603:
5598:
5594:
5565:
5564:
5553:
5549:
5546:
5542:
5539:
5532:
5529:
5525:
5521:
5512:
5501:
5490:
5486:
5483:
5480:
5477:
5473:
5470:
5465:
5462:
5457:
5453:
5442:
5431:
5427:
5424:
5421:
5418:
5414:
5411:
5406:
5403:
5398:
5394:
5383:
5371:
5351:
5320:
5317:
5315:
5312:
5244:
5241:
5240:
5239:
5196:
5100:
5094:
5087:
5081:
5074:
5059:
5020:
4977:
4974:
4972:
4969:
4852:
4848:
4845:
4841:
4838:
4833:
4830:
4825:
4821:
4817:
4814:
4811:
4808:
4803:
4799:
4793:
4790:
4787:
4784:
4780:
4776:
4773:
4770:
4765:
4762:
4759:
4756:
4753:
4750:
4747:
4743:
4739:
4734:
4731:
4727:
4620:
4617:
4614:
4613:
4600:
4512:
4492:
4491:
4489:
4486:
4474:
4470:
4467:
4464:
4460:
4457:
4452:
4449:
4444:
4440:
4434:
4430:
4426:
4388:
4387:
4386:
4385:
4374:
4370:
4367:
4363:
4360:
4355:
4352:
4349:
4344:
4340:
4336:
4333:
4328:
4324:
4318:
4315:
4312:
4308:
4304:
4301:
4298:
4293:
4290:
4287:
4284:
4281:
4278:
4274:
4270:
4267:
4262:
4259:
4256:
4253:
4249:
4245:
4240:
4237:
4233:
4204:
4189:
4133:
4132:
4131:
4130:
4115:where we used
4113:
4102:
4098:
4095:
4091:
4088:
4083:
4080:
4077:
4072:
4068:
4064:
4061:
4056:
4052:
4046:
4043:
4040:
4036:
4032:
4029:
4026:
4021:
4018:
4015:
4012:
4009:
4006:
4002:
3998:
3995:
3990:
3987:
3984:
3981:
3977:
3973:
3968:
3965:
3961:
3932:
3917:
3799:
3796:
3793:
3790:
3787:
3784:
3781:
3778:
3775:
3772:
3769:
3766:
3763:
3760:
3757:
3754:
3751:
3748:
3652:
3649:
3646:
3642:
3639:
3634:
3631:
3626:
3622:
3616:
3612:
3608:
3566:
3563:
3561:
3558:
3557:
3556:
3553:
3535:
3531:
3528:
3524:
3521:
3516:
3513:
3508:
3504:
3498:
3494:
3490:
3487:
3482:
3479:
3475:
3471:
3466:
3463:
3459:
3455:
3450:
3446:
3440:
3436:
3432:
3413:
3410:
3407:
3404:
3401:
3398:
3395:
3392:
3381:exponentiation
3338:
3335:
3319:
3316:
3313:
3310:
3307:
3304:
3301:
3298:
3295:
3292:
3289:
3286:
3281:
3277:
3273:
3270:
3268:
3266:
3263:
3262:
3259:
3256:
3253:
3250:
3245:
3241:
3237:
3234:
3231:
3228:
3225:
3222:
3219:
3214:
3210:
3206:
3203:
3198:
3194:
3190:
3185:
3181:
3177:
3174:
3165:
3161:
3158:
3155:
3153:
3151:
3148:
3147:
3144:
3141:
3138:
3135:
3130:
3126:
3120:
3116:
3112:
3107:
3103:
3095:
3091:
3086:
3082:
3079:
3077:
3073:
3069:
3065:
3064:
3061:
3058:
3055:
3052:
3047:
3043:
3037:
3033:
3029:
3024:
3020:
3012:
3008:
3003:
2999:
2996:
2994:
2990:
2986:
2982:
2981:
2960:
2951:
2942:
2922:
2919:
2916:
2911:
2907:
2903:
2900:
2897:
2894:
2889:
2885:
2881:
2878:
2875:
2866:
2862:
2859:
2856:
2854:
2852:
2849:
2846:
2843:
2838:
2834:
2828:
2825:
2821:
2817:
2812:
2808:
2802:
2799:
2795:
2791:
2788:
2786:
2778:
2774:
2773:
2770:
2767:
2764:
2761:
2758:
2755:
2752:
2747:
2743:
2739:
2736:
2733:
2730:
2727:
2724:
2719:
2715:
2711:
2708:
2705:
2703:
2699:
2695:
2691:
2690:
2687:
2684:
2681:
2678:
2675:
2672:
2669:
2664:
2660:
2656:
2653:
2650:
2647:
2644:
2641:
2636:
2632:
2628:
2625:
2622:
2620:
2616:
2612:
2608:
2607:
2594:
2585:
2576:
2507:
2504:
2501:
2496:
2492:
2486:
2482:
2478:
2475:
2446:
2443:
2440:
2435:
2431:
2425:
2421:
2417:
2414:
2381:
2376:
2372:
2366:
2362:
2358:
2355:
2353:
2351:
2346:
2342:
2336:
2332:
2328:
2325:
2323:
2321:
2318:
2315:
2312:
2309:
2308:
2259:
2254:
2250:
2244:
2240:
2236:
2233:
2231:
2229:
2224:
2220:
2214:
2210:
2206:
2203:
2201:
2199:
2196:
2193:
2190:
2187:
2186:
2151:
2150:
2139:
2134:
2130:
2126:
2123:
2120:
2117:
2114:
2111:
2108:
2088:
2085:
2082:
2079:
2044:
2043:
2042:
2030:
2027:
2024:
1990:
1989:
1988:
1977:
1974:
1971:
1968:
1965:
1962:
1959:
1956:
1953:
1950:
1947:
1944:
1941:
1938:
1898:
1897:
1896:
1885:
1882:
1879:
1876:
1873:
1870:
1867:
1844:
1843:
1842:
1830:
1827:
1824:
1804:
1801:
1798:
1780:
1777:
1754:
1750:
1747:
1743:
1740:
1735:
1732:
1727:
1723:
1717:
1713:
1709:
1706:
1701:
1697:
1670:
1667:
1632:
1628:
1625:
1621:
1618:
1611:
1607:
1603:
1600:
1579:padding scheme
1544:
1541:
1505:
1502:
1153:
1152:
1151:
1150:
1140:
1038:
1037:
1036:
1030:
1005:Hamming weight
933:
932:
931:
918:
738:
737:
736:
730:
703:
702:
701:
691:
688:primality test
657:
656:Key generation
654:
646:can be swapped
587:
583:
580:
576:
573:
568:
565:
560:
556:
550:
546:
542:
522:
499:
486:have the same
475:
453:
449:
443:
439:
435:
389:
386:
331:
328:
324:simplified DES
304:Clifford Cocks
266:Diffie-Hellman
262:Martin Hellman
234:
231:
197:decryption key
193:encryption key
178:Clifford Cocks
137:
136:
118:
117:
110:
109:
106:
100:
99:
96:
90:
89:
85:
84:
75:
71:
70:
67:
63:
62:
49:
45:
44:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
9543:
9532:
9529:
9527:
9524:
9523:
9521:
9502:
9494:
9493:
9490:
9484:
9483:Steganography
9481:
9479:
9476:
9474:
9471:
9469:
9466:
9464:
9461:
9459:
9456:
9454:
9451:
9449:
9446:
9444:
9441:
9439:
9438:Stream cipher
9436:
9434:
9431:
9429:
9426:
9425:
9423:
9419:
9413:
9410:
9408:
9405:
9403:
9400:
9398:
9397:Onion routing
9395:
9393:
9390:
9388:
9385:
9383:
9380:
9378:
9377:Shared secret
9375:
9373:
9370:
9368:
9365:
9363:
9360:
9358:
9355:
9353:
9350:
9348:
9345:
9343:
9340:
9338:
9335:
9333:
9330:
9328:
9325:
9323:
9320:
9317:
9314:
9309:
9306:
9305:
9304:
9301:
9299:
9296:
9294:
9291:
9289:
9286:
9284:
9281:
9279:
9276:
9274:
9271:
9269:
9268:Key generator
9266:
9264:
9261:
9259:
9256:
9254:
9251:
9249:
9246:
9242:
9239:
9237:
9234:
9232:
9229:
9228:
9227:
9226:Hash function
9224:
9222:
9219:
9217:
9214:
9212:
9209:
9207:
9204:
9202:
9201:Cryptanalysis
9199:
9197:
9194:
9190:
9187:
9186:
9185:
9182:
9180:
9177:
9175:
9172:
9170:
9167:
9166:
9164:
9160:
9156:
9149:
9144:
9142:
9137:
9135:
9130:
9129:
9126:
9122:
9108:
9105:
9103:
9100:
9098:
9095:
9093:
9090:
9088:
9085:
9083:
9080:
9078:
9075:
9073:
9070:
9068:
9065:
9064:
9062:
9058:
9052:
9049:
9047:
9044:
9042:
9039:
9037:
9034:
9032:
9029:
9027:
9024:
9023:
9021:
9017:
9011:
9008:
9006:
9003:
9001:
8998:
8996:
8993:
8991:
8988:
8986:
8983:
8982:
8980:
8976:
8966:
8963:
8961:
8958:
8955:
8951:
8949:
8946:
8944:
8941:
8939:
8936:
8934:
8931:
8929:
8926:
8924:
8921:
8919:
8916:
8914:
8911:
8910:
8908:
8904:
8898:
8895:
8893:
8890:
8888:
8885:
8883:
8880:
8878:
8875:
8873:
8870:
8868:
8865:
8864:
8862:
8860:
8855:
8850:
8846:
8840:
8837:
8835:
8832:
8830:
8827:
8825:
8822:
8820:
8817:
8813:
8810:
8809:
8808:
8805:
8803:
8800:
8798:
8795:
8791:
8788:
8786:
8783:
8782:
8781:
8778:
8776:
8773:
8769:
8766:
8764:
8761:
8760:
8759:
8756:
8754:
8751:
8749:
8746:
8744:
8741:
8739:
8736:
8735:
8733:
8731:
8727:
8721:
8720:Schmidt–Samoa
8718:
8716:
8713:
8711:
8708:
8706:
8703:
8701:
8698:
8696:
8693:
8691:
8688:
8686:
8683:
8681:
8680:Damgård–Jurik
8678:
8676:
8675:Cayley–Purser
8673:
8671:
8668:
8666:
8663:
8662:
8660:
8658:
8654:
8651:
8647:
8643:
8636:
8631:
8629:
8624:
8622:
8617:
8616:
8613:
8609:
8605:
8599:
8598:
8593:
8591:
8588:
8586:
8583:
8581:
8577:
8572:
8570:
8567:
8564:
8562:
8556:
8555:
8551:
8545:
8539:
8535:
8531:
8530:
8525:
8521:
8517:
8513:
8509:
8505:
8499:
8496:. CRC Press.
8494:
8493:
8486:
8485:
8481:
8466:
8459:
8456:
8448:
8441:
8438:
8433:
8429:
8424:
8419:
8415:
8408:
8405:
8400:
8396:
8390:
8387:
8374:
8368:
8365:
8360:
8353:
8346:
8343:
8338:
8334:
8327:
8324:
8316:
8309:
8306:
8301:
8300:
8295:
8288:
8285:
8280:
8276:
8272:
8265:
8258:
8255:
8250:
8246:
8242:
8238:
8234:
8230:
8223:
8216:
8213:
8208:
8204:
8197:
8194:
8183:
8179:
8175:
8168:
8161:
8158:
8147:on 2017-04-17
8146:
8142:
8138:
8131:
8129:
8125:
8114:on 2020-02-28
8113:
8109:
8102:
8099:
8094:
8087:
8080:
8077:
8069:
8062:
8059:
8054:
8048:
8044:
8043:
8035:
8032:
8020:
8016:
8010:
8007:
8002:
7996:
7993:
7988:
7982:
7977:
7972:
7968:
7961:
7958:
7953:
7949:
7945:
7939:
7935:
7931:
7927:
7923:
7919:
7915:
7909:
7906:
7901:
7897:
7893:
7889:
7884:
7879:
7875:
7871:
7870:
7862:
7855:
7852:
7847:
7841:
7837:
7833:
7829:
7822:
7819:
7807:
7804:
7799:
7794:
7790:
7789:
7781:
7778:
7773:
7769:
7767:
7763:
7754:
7751:
7746:
7742:
7740:
7736:
7727:
7724:
7720:
7714:
7711:
7705:
7700:
7696:
7689:
7686:
7682:
7676:
7673:
7669:(2): 203–213.
7668:
7664:
7663:
7658:
7651:
7649:
7645:
7633:
7629:
7623:
7620:
7616:
7610:
7607:
7603:
7597:
7594:
7590:
7584:
7581:
7577:
7571:
7568:
7564:
7558:
7555:
7540:
7536:
7529:
7525:
7519:
7516:
7511:
7507:
7500:
7493:
7491:
7487:
7479:
7472:
7469:
7461:
7454:
7451:
7446:
7442:
7438:
7434:
7429:
7424:
7420:
7416:
7409:
7406:
7402:
7396:
7392:
7388:
7384:
7380:
7376:
7372:
7368:
7365:(7833): 189.
7364:
7360:
7356:
7349:
7346:
7334:
7330:
7323:
7320:
7312:
7308:
7304:
7300:
7296:
7291:
7286:
7282:
7278:
7277:
7269:
7262:
7260:
7258:
7256:
7254:
7252:
7250:
7246:
7240:
7216:
7212:
7203:
7197:
7193:
7189:
7185:
7181:
7177:
7172:
7169:
7164:
7160:
7155:
7151:
7146:
7141:
7131:
7104:
7100:
7096:
7091:
7087:
7076:
7073:
7069:
7063:
7060:
7057:respectively.
7044:
7041:
7036:
7026:
7023:
7020:
7016:
6995:
6992:
6987:
6977:
6974:
6971:
6967:
6952:
6945:
6938:
6932:
6928:
6905:
6902:
6895:
6891:
6888:
6886:
6883:
6881:
6878:
6876:
6873:
6871:
6868:
6866:
6863:
6861:
6858:
6856:
6853:
6851:
6848:
6846:
6843:
6841:
6838:
6837:
6833:
6827:
6822:
6817:
6813:
6810:
6808:
6805:
6803:
6800:
6798:
6795:
6793:
6790:
6788:
6785:
6783:
6780:
6778:
6775:
6773:
6770:
6768:
6767:Bouncy Castle
6765:
6763:
6760:
6759:
6758:
6752:
6750:
6748:
6740:
6738:
6735:
6731:
6729:
6725:
6717:
6715:
6712:
6710:
6706:
6702:
6698:
6694:
6686:
6684:
6672:
6668:
6663:
6657:
6653:
6650:
6645:and computes
6638:
6634:
6629:
6623:
6621:
6617:
6613:
6609:
6600:
6593:
6591:
6587:
6585:
6579:
6575:
6571:
6557:
6553:
6549:
6524:factors both
6522:
6518:
6514:
6498:
6494:
6487:
6483:
6479:
6473:
6469:
6463:
6461:
6449:
6441:
6439:
6437:
6433:
6429:
6425:
6421:
6416:
6406:
6398:
6392:
6386:
6370:
6366:
6360:
6341:
6331:
6330:− 1 algorithm
6329:
6317:
6310:
6284:
6280:
6276:
6270:
6265:is less than
6263:
6259:
6250:
6237:
6235:
6221:
6217:
6206:
6203:
6195:
6184:
6181:
6177:
6174:
6170:
6167:
6163:
6160:
6156:
6153: –
6152:
6148:
6147:Find sources:
6141:
6137:
6131:
6130:
6125:This section
6123:
6119:
6114:
6113:
6107:
6105:
6103:
6099:
6095:
6091:
6086:
6084:
6079:
6075:
6071:
6062:
6055:
6051:
6047:
6042:
6016:
6011:
6009:
6003:
5996:
5994:
5980:
5976:
5952:
5948:
5928:
5924:
5916:
5912:
5908:
5891:
5886:
5884:
5880:
5876:
5872:
5868:
5862:
5858:
5854:
5846:
5844:
5842:
5837:
5823:
5820:
5817:
5812:
5808:
5804:
5801:
5775:
5771:
5758:
5754:
5750:
5745:
5741:
5728:
5724:
5721:
5695:
5691:
5679:
5675:
5670:
5666:
5661:
5657:
5630:
5626:
5614:
5610:
5605:
5601:
5596:
5592:
5579:
5575:
5571:
5551:
5544:
5540:
5530:
5527:
5523:
5519:
5510:
5502:
5488:
5481:
5478:
5475:
5471:
5463:
5460:
5455:
5451:
5443:
5429:
5422:
5419:
5416:
5412:
5404:
5401:
5396:
5392:
5384:
5369:
5349:
5342:
5341:
5340:
5338:
5334:
5330:
5326:
5318:
5313:
5311:
5308:
5302:
5296:
5294:
5290:
5286:
5282:
5278:
5265:
5260:
5250:
5242:
5220:
5216:
5210:
5206:
5197:
5185:
5174:
5170:
5163:
5159:
5144:
5140:
5136:
5125:
5121:
5117:
5112:
5106:
5099:
5093:
5086:
5080:
5075:
5072:
5068:
5064:
5060:
5057:
5053:
5049:
5045:
5021:
5009:
5003:
4999:
4988:
4983:
4982:
4981:
4975:
4970:
4968:
4964:
4960:
4953:
4949:
4942:
4938:
4934:
4919:
4907:
4903:
4898:
4892:
4888:
4884:
4870:
4868:
4863:
4850:
4843:
4839:
4831:
4828:
4823:
4815:
4809:
4806:
4801:
4788:
4782:
4778:
4771:
4768:
4760:
4754:
4751:
4748:
4745:
4741:
4737:
4732:
4729:
4725:
4708:
4698:
4694:
4690:
4675:
4671:
4667:
4653:
4649:
4642:
4638:
4634:
4628:
4626:
4610:
4604:
4601:
4595:
4591:
4587:
4576:
4569:
4562:
4558:
4551:
4547:
4539:
4535:
4531:
4527:that satisfy
4516:
4513:
4510:is not prime.
4508:
4503:
4497:
4494:
4487:
4485:
4472:
4465:
4462:
4458:
4450:
4447:
4442:
4432:
4428:
4414:
4410:
4406:
4372:
4365:
4361:
4353:
4350:
4347:
4342:
4338:
4334:
4331:
4326:
4316:
4313:
4310:
4306:
4299:
4296:
4288:
4285:
4282:
4276:
4272:
4268:
4265:
4260:
4257:
4254:
4251:
4247:
4243:
4238:
4235:
4231:
4223:
4222:
4218:
4202:
4195:
4190:
4185:
4181:
4177:
4168:
4162:
4158:
4153:
4152:
4151:
4147:
4143:
4139:
4127:
4123:
4118:
4114:
4100:
4093:
4089:
4081:
4078:
4075:
4070:
4066:
4062:
4059:
4054:
4044:
4041:
4038:
4034:
4027:
4024:
4016:
4013:
4010:
4004:
4000:
3996:
3993:
3988:
3985:
3982:
3979:
3975:
3971:
3966:
3963:
3959:
3951:
3950:
3946:
3930:
3923:
3918:
3913:
3909:
3905:
3896:
3882:
3878:
3873:
3872:
3871:
3867:
3863:
3859:
3853:
3850:
3843:
3836:
3825:
3819:
3794:
3791:
3788:
3782:
3779:
3773:
3770:
3767:
3761:
3758:
3755:
3752:
3749:
3746:
3736:
3729:
3722:
3718:
3714:
3710:
3706:
3700:
3696:
3692:
3688:
3647:
3644:
3640:
3632:
3629:
3624:
3614:
3610:
3597:
3581:
3577:
3572:
3559:
3554:
3551:
3550:
3549:
3546:
3533:
3526:
3522:
3514:
3511:
3506:
3496:
3492:
3485:
3480:
3477:
3473:
3469:
3464:
3461:
3457:
3453:
3448:
3438:
3434:
3411:
3405:
3399:
3396:
3393:
3390:
3382:
3377:
3359:
3354:
3352:
3348:
3344:
3336:
3334:
3317:
3314:
3311:
3308:
3305:
3302:
3299:
3296:
3293:
3290:
3287:
3284:
3279:
3275:
3271:
3269:
3264:
3257:
3254:
3251:
3248:
3243:
3232:
3229:
3226:
3223:
3217:
3212:
3196:
3192:
3188:
3183:
3179:
3172:
3163:
3156:
3154:
3149:
3142:
3139:
3136:
3133:
3128:
3118:
3114:
3110:
3105:
3093:
3089:
3084:
3080:
3078:
3071:
3067:
3059:
3056:
3053:
3050:
3045:
3035:
3031:
3027:
3022:
3010:
3006:
3001:
2997:
2995:
2988:
2984:
2954:
2945:
2937:
2920:
2917:
2914:
2909:
2901:
2898:
2895:
2892:
2887:
2876:
2873:
2864:
2855:
2847:
2844:
2841:
2836:
2826:
2823:
2819:
2815:
2810:
2800:
2797:
2793:
2789:
2787:
2776:
2768:
2765:
2762:
2756:
2753:
2750:
2737:
2734:
2728:
2725:
2722:
2709:
2706:
2704:
2697:
2693:
2685:
2682:
2679:
2673:
2670:
2667:
2654:
2651:
2645:
2642:
2639:
2626:
2623:
2621:
2614:
2610:
2588:
2579:
2571:
2569:
2565:
2561:
2557:
2552:
2532:
2527:
2523:
2518:
2505:
2502:
2499:
2494:
2484:
2480:
2476:
2473:
2463:
2457:
2444:
2441:
2438:
2433:
2423:
2419:
2415:
2412:
2402:
2396:
2379:
2374:
2364:
2360:
2356:
2354:
2344:
2334:
2330:
2326:
2324:
2316:
2310:
2295:
2289:
2285:
2279:
2274:
2257:
2252:
2242:
2238:
2234:
2232:
2222:
2212:
2208:
2204:
2202:
2194:
2188:
2172:
2166:
2162:
2156:
2137:
2132:
2121:
2118:
2115:
2109:
2106:
2086:
2083:
2080:
2077:
2066:
2062:
2058:
2053:
2045:
2028:
2025:
2022:
2014:
2013:
2003:
1997:
1991:
1975:
1972:
1966:
1963:
1960:
1954:
1951:
1948:
1942:
1936:
1929:
1928:
1924:
1920:
1916:
1912:
1908:
1903:
1899:
1883:
1880:
1877:
1874:
1871:
1868:
1865:
1858:
1857:
1854:
1850:
1845:
1828:
1825:
1822:
1802:
1799:
1796:
1789:
1788:
1786:
1785:
1784:
1778:
1776:
1765:
1752:
1745:
1741:
1733:
1730:
1725:
1715:
1711:
1704:
1699:
1695:
1686:
1685:by computing
1668:
1666:
1648:
1643:
1630:
1623:
1619:
1609:
1605:
1601:
1598:
1590:
1580:
1575:
1571:
1565:
1552:
1542:
1540:
1536:
1528:
1524:
1517:
1515:
1511:
1508:Suppose that
1503:
1501:
1491:
1485:
1481:
1472:
1459:
1455:
1447:
1439:
1435:
1431:
1427:
1419:
1412:
1405:
1397:
1390:
1386:
1382:
1375:
1371:
1367:
1362:
1358:
1348:
1344:
1340:
1333:
1329:
1318:
1314:
1310:
1306:
1299:
1295:
1291:
1287:
1278:
1277:
1271:
1267:
1261:
1257:
1250:
1246:
1235:
1231:
1224:
1220:
1216:
1212:
1208:
1203:
1191:
1187:
1170:
1158:
1148:
1141:
1134:
1128:
1124:
1115:
1105:
1101:
1097:
1093:the equation
1088:
1087:
1083:
1079:
1070:
1060:
1056:
1052:
1048:
1039:
1031:
1006:
1002:
995:
994:
992:
986:
982:
971:
967:
963:
959:
952:
948:
944:
934:
927:
923:
919:
910:
906:
895:
885:
881:
875:
867:
866:
862:
858:
854:
850:
843:
839:
835:
828:
824:
820:
819:
814:
810:
795:
791:
787:
783:
779:
775:
771:
767:
763:
758:
748:
744:
739:
731:
728:
724:
717:
716:
713:
709:
704:
692:
689:
677:
676:
667:
666:prime numbers
663:
662:
661:
655:
653:
651:
647:
642:
632:
613:The integers
611:
585:
578:
574:
566:
563:
558:
548:
544:
520:
513:
497:
489:
473:
451:
441:
437:
424:
420:
397:
395:
387:
385:
383:
379:
374:
372:
371:United States
368:
364:
358:
353:
351:
346:
341:
337:
329:
327:
325:
319:
317:
313:
309:
308:mathematician
306:, an English
305:
301:
298:
294:
289:
285:
281:
277:
273:
271:
267:
263:
259:
251:
247:
243:
239:
232:
230:
228:
227:symmetric-key
223:
221:
217:
213:
212:prime numbers
209:
204:
202:
201:prime numbers
198:
194:
190:
185:
183:
179:
175:
171:
167:
163:
159:
155:
151:
147:
143:
134:
128:
123:
119:
116:
115:cryptanalysis
111:
107:
105:
101:
97:
95:
91:
88:Cipher detail
86:
83:
79:
76:
74:Certification
72:
68:
64:
61:
57:
53:
50:
46:
41:
33:
19:
9433:Block cipher
9273:Key schedule
9263:Key exchange
9253:Kleptography
9211:Cryptosystem
9155:Cryptography
9107:OpenPGP card
9087:Web of trust
8743:Cramer–Shoup
8709:
8596:
8558:
8528:
8491:
8468:. Retrieved
8463:Isom, Kyle.
8458:
8440:
8413:
8407:
8398:
8389:
8377:. Retrieved
8367:
8358:
8345:
8336:
8326:
8308:
8297:
8287:
8270:
8257:
8232:
8228:
8215:
8206:
8196:
8185:. Retrieved
8160:
8149:. Retrieved
8145:the original
8116:. Retrieved
8112:the original
8101:
8092:
8079:
8073:. Eurocrypt.
8061:
8041:
8034:
8022:. Retrieved
8018:
8009:
7995:
7966:
7960:
7925:
7908:
7873:
7867:
7854:
7827:
7821:
7809:. Retrieved
7787:
7780:
7771:
7765:
7761:
7753:
7744:
7738:
7734:
7726:
7719:Neal Koblitz
7713:
7688:
7675:
7666:
7660:
7636:. Retrieved
7632:the original
7622:
7609:
7596:
7583:
7570:
7557:
7546:. Retrieved
7539:the original
7534:
7524:Cocks, C. C.
7518:
7509:
7505:
7471:
7453:
7418:
7414:
7408:
7362:
7358:
7348:
7336:. Retrieved
7322:
7311:the original
7280:
7274:
7075:
7062:
6950:
6943:
6936:
6930:
6926:
6904:
6865:Key exchange
6756:
6744:
6736:
6732:
6721:
6713:
6690:
6670:
6666:
6655:
6651:
6648:
6636:
6632:
6624:
6597:
6588:
6580:
6573:
6569:
6550:
6520:
6516:
6512:
6496:
6492:
6485:
6481:
6477:
6471:
6467:
6464:
6445:
6417:
6390:
6387:
6368:
6364:
6358:
6342:
6327:
6315:
6308:
6282:
6278:
6274:
6268:
6261:
6257:
6239:The numbers
6238:
6223:
6198:
6192:October 2017
6189:
6179:
6172:
6165:
6158:
6146:
6134:Please help
6129:verification
6126:
6087:
6068:is 300
6063:
6054:RSA Security
6043:
6012:
6004:
5997:
5978:
5974:
5950:
5946:
5926:
5922:
5914:
5910:
5906:
5887:
5878:
5864:
5838:
5577:
5573:
5569:
5566:
5322:
5297:
5275:However, at
5261:
5246:
5218:
5214:
5208:
5204:
5183:
5172:
5168:
5161:
5157:
5142:
5138:
5134:
5123:
5119:
5115:
5104:
5097:
5091:
5084:
5078:
5048:Johan Håstad
5007:
5001:
4997:
4986:
4979:
4962:
4958:
4951:
4947:
4940:
4936:
4932:
4920:
4905:
4901:
4890:
4886:
4882:
4871:
4864:
4706:
4696:
4692:
4688:
4673:
4669:
4665:
4651:
4647:
4640:
4636:
4632:
4629:
4622:
4603:
4593:
4589:
4585:
4574:
4567:
4560:
4556:
4549:
4545:
4537:
4533:
4529:
4515:
4506:
4501:
4496:
4412:
4408:
4404:
4389:
4216:
4193:
4183:
4179:
4175:
4166:
4160:
4156:
4145:
4141:
4137:
4134:
4125:
4121:
3944:
3921:
3911:
3907:
3903:
3894:
3880:
3876:
3865:
3861:
3857:
3854:
3852:separately.
3848:
3841:
3834:
3824:
3820:
3734:
3727:
3720:
3716:
3708:
3704:
3701:
3694:
3690:
3686:
3598:
3579:
3575:
3568:
3547:
3378:
3355:
3340:
2952:
2943:
2939:Here is how
2938:
2586:
2577:
2572:
2567:
2563:
2559:
2553:
2530:
2519:
2461:
2458:
2400:
2397:
2287:
2283:
2277:
2275:
2164:
2160:
2154:
2152:
2064:
2060:
2056:
1995:
1922:
1918:
1910:
1906:
1900:Compute the
1852:
1848:
1782:
1766:
1687:
1672:
1644:
1591:
1573:
1569:
1553:
1546:
1534:
1526:
1522:
1518:
1507:
1496:and compute
1483:
1479:
1460:
1453:
1445:
1437:
1433:
1429:
1425:
1417:
1410:
1403:
1395:
1391:
1384:
1380:
1373:
1369:
1365:
1346:
1342:
1338:
1331:
1327:
1316:
1312:
1308:
1304:
1297:
1293:
1289:
1285:
1275:
1259:
1255:
1248:
1244:
1233:
1229:
1222:
1218:
1214:
1210:
1204:
1189:
1185:
1168:
1156:
1154:
1146:
1126:
1122:
1103:
1099:
1095:
1081:
1077:
1058:
1054:
1050:
1046:
984:
980:
969:
965:
961:
950:
946:
942:
925:
921:
908:
904:
893:
883:
879:
860:
856:
852:
848:
841:
837:
833:
826:
822:
816:
812:
808:
798:, and since
793:
789:
785:
781:
773:
769:
765:
761:
746:
742:
711:
707:
659:
643:
612:
422:
418:
398:
391:
382:RSA Security
375:
360:
355:
333:
320:
302:
274:
255:
224:
205:
189:cryptosystem
186:
182:declassified
145:
141:
140:
113:Best public
32:RSA Security
9421:Mathematics
9412:Mix network
9077:Fingerprint
9041:NSA Suite B
9005:RSA problem
8882:NTRUEncrypt
8273:. CCS '17.
7772:openssl-dev
7745:openssl-dev
6432:smart cards
6351:is between
5890:RSA problem
5871:RSA problem
4880:satisfying
4119:to replace
3353:a message.
2573:The values
2459:To decrypt
2278:private key
1283:satisfying
1279:. Thus any
1169:private key
1063:; that is,
974:; that is,
806:are prime,
220:RSA problem
133:829-bit key
9520:Categories
9372:Ciphertext
9342:Decryption
9337:Encryption
9298:Ransomware
9031:IEEE P1363
8649:Algorithms
8361:. SSYM'03.
8187:2017-11-24
8151:2017-11-24
8118:2020-07-12
7764:− 1) and (
7737:− 1) and (
7638:2010-03-03
7548:2017-05-30
7401:Peter Shor
7338:August 14,
7241:References
6959:such that
6326:Pollard's
6214:See also:
6162:newspapers
6090:Peter Shor
6046:RSA number
6017:– finding
5904:such that
5851:See also:
4717:, we have
4532:≡ 1 (mod (
4504:) because
4402:such that
3588:and prime
3358:hash value
2562:using mod
2294:ciphertext
2155:public key
2069:, yielding
1669:Decryption
1568:0 ≤
1551:to Alice.
1543:Encryption
1157:public key
1040:Determine
1003:and small
1001:bit-length
939:such that
727:key length
510:(they are
417:0 ≤
280:Adi Shamir
276:Ron Rivest
246:Ron Rivest
242:Adi Shamir
162:Adi Shamir
158:Ron Rivest
154:initialism
82:ANSI X9.31
56:Adi Shamir
52:Ron Rivest
9362:Plaintext
8470:4 January
8418:CiteSeerX
8379:4 January
7878:CiteSeerX
7699:CiteSeerX
7683:, p. 467.
7578:. p. 180.
7506:SIAM News
7445:0018-9448
7423:CiteSeerX
7395:226243008
7285:CiteSeerX
7190:−
7024:−
6975:−
6797:wolfCrypt
6782:Libgcrypt
6691:In 1998,
6381:and
6088:In 1994,
5751:−
5528:−
5479:−
5420:−
5285:Eurocrypt
4961:≡ 0 (mod
4950:≡ 0 (mod
4904:≡ 1 (mod
4885:≡ 1 (mod
4829:≡
4807:≡
4783:φ
4755:φ
4668:≡ 1 (mod
4588:≡ 1 (mod
4448:≡
4407:≡ 1 (mod
4351:≡
4335:≡
4314:−
4286:−
4258:−
4159:≡ 0 (mod
4079:≡
4063:≡
4042:−
4014:−
3986:−
3879:≡ 0 (mod
3847:mod
3840:mod
3833:mod
3792:−
3771:−
3753:−
3689:≡ 1 (mod
3630:≡
3578:≡ 1 (mod
3512:≡
3400:
3309:×
3291:×
3230:−
3227:×
3189:−
3173:×
2899:×
2874:×
2858:⇒
2824:−
2798:−
2754:−
2726:−
2671:−
2643:−
2171:plaintext
2119:×
1955:
1937:λ
1875:×
1731:≡
1705:≡
1661:equal to
1602:≡
1311:≡ 1 (mod
1292:≡ 1 (mod
1098:≡ 1 (mod
564:≡
488:remainder
388:Operation
208:factoring
184:in 1997.
94:Key sizes
48:Designers
9501:Category
9407:Kademlia
9367:Codetext
9310:(CSPRNG)
9288:Machines
9092:Key size
9026:CRYPTREC
8943:McEliece
8897:RLWE-SIG
8892:RLWE-KEX
8887:NTRUSign
8700:Paillier
8526:(2001).
8024:2 August
7952:10316867
7900:15726802
7591:. p. 12.
7387:33139910
7178:⌉
7165:⌈
6875:Key size
6818:See also
6812:LibreSSL
6807:mbed TLS
6777:Crypto++
6772:cryptlib
6428:Infineon
6008:Athlon64
5919:, where
5869:and the
5234:',
5226:',
4910:for all
4707:Assuming
4678:. Since
4645:, where
4542:, since
4203:≢
3931:≢
3855:To show
3372:(modulo
3364:(modulo
3341:Suppose
2566:and mod
2286:= 3233,
2173:message
2163:= 3233,
2046:Compute
2000:that is
1998:< 780
1846:Compute
1436:− 1) + (
1432:− 1) + (
1242:. Since
1135:, where
1013:2 + 1 =
876:, since
855:) = lcm(
846:. Hence
788:),
759:. Since
751:, where
740:Compute
705:Compute
426:), both
297:Passover
293:knapsack
9162:General
8938:Lamport
8918:CEILIDH
8877:NewHope
8824:Schnorr
8807:ElGamal
8785:Ed25519
8665:Benaloh
8580:YouTube
8399:Mozilla
8249:7120331
7811:9 March
7367:Bibcode
7307:2873616
6924:having
6792:OpenSSL
6654:) (mod
6612:Brumley
6373:, then
6176:scholar
6078:RSA-155
6050:RSA-250
5879:partial
5325:OpenSSL
5293:RSA-PSS
5249:padding
5191:modulo
5103:) (mod
4995:(i.e.,
4971:Padding
4693:hφ
4215:0 (mod
4129:with 1.
3943:0 (mod
3893:. Thus
3383:rules:
2972:pair):
2002:coprime
1994:2 <
1927:giving
1856:giving
1779:Example
1477:modulo
1469:as the
1325:modulo
1075:modulo
1067:is the
991:coprime
941:1 <
914:
907:,
888:
882:,
723:modulus
312:British
286:at the
233:History
214:, the "
148:) is a
43:General
9283:Keygen
9060:Topics
9036:NESSIE
8978:Theory
8906:Others
8763:X25519
8540:
8536:–887.
8500:
8420:
8247:
8049:
8019:Github
7983:
7950:
7940:
7898:
7880:
7842:
7701:
7443:
7425:
7393:
7385:
7359:Nature
7305:
7287:
6802:GnuTLS
6787:Nettle
6599:Kocher
6536:given
6178:
6171:
6164:
6157:
6149:
5859:, and
5277:Crypto
5264:PKCS#1
4887:λ
4691:= 1 +
4670:φ
4590:λ
4557:λ
4409:λ
4178:≡ 0 ≡
3906:≡ 0 ≡
3705:λ
3702:Since
3691:λ
2533:= 3233
2464:= 2790
2290:= 413)
2061:λ
2050:, the
1907:λ
1767:Given
1564:padded
1490:PKCS#1
1480:φ
1381:λ
1370:λ
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818:φ
809:λ
790:λ
782:λ
770:λ
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407:, and
336:patent
330:Patent
282:, and
191:, the
104:Rounds
78:PKCS#1
58:, and
9318:(PRN)
8872:Kyber
8867:BLISS
8829:SPEKE
8797:ECMQV
8790:Ed448
8780:EdDSA
8775:ECDSA
8705:Rabin
8450:(PDF)
8355:(PDF)
8318:(PDF)
8267:(PDF)
8245:S2CID
8225:(PDF)
8170:(PDF)
8089:(PDF)
8071:(PDF)
7948:S2CID
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7864:(PDF)
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7531:(PDF)
7502:(PDF)
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7391:S2CID
7314:(PDF)
7303:S2CID
7271:(PDF)
6896:Notes
6762:Botan
6669:(mod
6664:, is
6635:(mod
6608:Boneh
6519:′) =
6501:(but
6405:65537
6367:<
6183:JSTOR
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9046:CNSA
8923:EPOC
8768:X448
8758:ECDH
8538:ISBN
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8381:2022
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8026:2024
7981:ISBN
7938:ISBN
7840:ISBN
7813:2016
7806:3447
7512:(5).
7441:ISSN
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7340:2011
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6610:and
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6544:and
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6454:and
6434:and
6355:and
6302:and
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6243:and
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6218:and
6155:news
6070:bits
6037:and
6025:and
5981:− 1)
5973:lcm(
5967:and
5888:The
5875:hard
5362:and
5333:.NET
5331:and
5329:Java
5304:and
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4682:and
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3672:and
3397:hash
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3032:2790
2968:and
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2276:The
2258:233.
2153:The
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1943:3233
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978:and
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350:DWPI
260:and
248:and
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69:1977
9082:PKI
8965:XTR
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8928:HFE
8859:SIS
8854:LWE
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8710:RSA
8685:GMR
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8237:doi
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7930:doi
7888:doi
7832:doi
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7793:doi
7433:doi
7375:doi
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7213:mod
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6393:= 3
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575:mod
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340:MIT
142:RSA
131:An
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2253:3
2239:m
2235:=
2223:n
2213:e
2209:m
2205:=
2198:)
2195:m
2192:(
2189:c
2175:m
2165:e
2161:n
2159:(
2133:7
2125:)
2113:(
2110:=
2107:1
2087:,
2081:=
2078:d
2065:n
2063:(
2057:e
2048:d
2041:.
2026:=
2023:e
2010:e
2006:e
1996:e
1973:=
1970:)
1964:,
1958:(
1949:=
1946:)
1940:(
1923:q
1919:p
1917:(
1911:n
1909:(
1881:=
1869:=
1866:n
1849:n
1841:.
1826:=
1823:q
1800:=
1797:p
1773:M
1769:m
1753:.
1749:)
1746:n
1739:(
1734:m
1726:d
1722:)
1716:e
1712:m
1708:(
1700:d
1696:c
1683:d
1679:c
1675:m
1663:m
1659:c
1655:m
1651:c
1631:.
1627:)
1624:n
1617:(
1610:e
1606:m
1599:c
1587:e
1583:c
1574:n
1570:m
1560:m
1556:M
1549:M
1537:)
1535:d
1533:(
1529:)
1527:e
1523:n
1521:(
1498:d
1494:e
1486:)
1484:n
1482:(
1475:d
1467:e
1463:d
1454:q
1452:(
1446:p
1444:(
1438:q
1434:p
1430:q
1426:p
1424:(
1411:n
1404:q
1402:(
1396:p
1394:(
1387:)
1385:n
1383:(
1376:)
1374:n
1372:(
1366:d
1353:d
1349:)
1347:n
1345:(
1339:d
1334:)
1332:n
1330:(
1323:d
1317:n
1315:(
1309:e
1307:⋅
1305:d
1298:n
1296:(
1290:e
1288:⋅
1286:d
1281:d
1262:)
1260:n
1258:(
1251:)
1249:n
1247:(
1240:d
1236:)
1234:n
1232:(
1223:q
1219:p
1215:n
1213:(
1200:d
1196:d
1192:)
1190:n
1188:(
1181:q
1177:p
1173:d
1165:e
1161:n
1149:.
1143:d
1137:d
1129:)
1127:n
1125:(
1118:e
1110:d
1104:n
1102:(
1091:d
1084:)
1082:n
1080:(
1073:e
1065:d
1059:n
1057:(
1051:e
1047:d
1042:d
1033:e
1027:e
1023:e
1009:e
997:e
987:)
985:n
983:(
976:e
970:n
968:(
962:e
960:(
953:)
951:n
949:(
943:e
937:e
928:)
926:n
924:(
917:.
911:)
909:b
905:a
900:/
884:b
880:a
861:q
857:p
853:n
851:(
842:q
838:q
836:(
827:p
823:p
821:(
813:p
811:(
804:q
800:p
794:q
792:(
786:p
784:(
780:(
774:n
772:(
762:n
749:)
747:n
745:(
733:n
729:.
719:n
708:n
698:q
694:p
684:q
680:p
673:q
669:p
639:d
635:e
627:m
623:d
619:e
615:n
608:d
604:n
600:e
586:.
582:)
579:n
572:(
567:m
559:d
555:)
549:e
545:m
541:(
521:n
498:n
474:m
452:d
448:)
442:e
438:m
434:(
423:n
419:m
415:(
413:m
409:n
405:d
401:e
291:"
252:)
144:(
108:1
34:.
20:)
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