SHACAL-1 (originally simply SHACAL) is a 160-bit block cipher based on SHA-1, and supports keys from 128-bit to 512-bit. SHACAL-2 is a 256-bit block cipher...
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Mitsubishi Electric SHACAL-2: Gemplus WHIRLPOOL: Scopus Tecnologia S.A. and K.U.Leuven SHA-256*, SHA-384* and SHA-512*: NSA, (US FIPS 180-2) UMAC: Intel Corp...
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block; AES finalist by Ross Anderson, Eli Biham, Lars Knudsen SHACAL-1 – 160-bit block SHACAL-2 – 256-bit block cypher; NESSIE selection Gemplus (France)...
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CRYPTON, Zodiac, Hierocrypt-3, TEA, XTEA, Mini-AES, ARIA, Camellia, and SHACAL-2.[citation needed] Biham, Biryukov and Shamir also presented a relatively...
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seven open-source security libraries with 15 block ciphers, Crypto++ 5.5.2 was the top-performing library under two block ciphers and did not rank below...
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key-schedule state. This permutation will ignore 8 bits below: Permuted Choice 2 "PC-2" ignored bits 9, 18, 22, 25, 35, 38, 43, 54. This table lists the eight...
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Initialization vector (section SSL 2.0 IV)
for the next message is insecure (for example, this method was used by SSL 2.0). If an attacker knows the IV (or the previous block of ciphertext) before...
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NIST. National Institute of Standards and Technology. 2 October 2012. Archived from the original on 2 April 2015. Retrieved 26 March 2015. Diffie, Whitfield;...
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Diffie–Hellman and Elliptic Curve Digital Signature Algorithm with curve P-384 SHA-2 with 384 bits, Diffie–Hellman key exchange with a minimum 3072-bit modulus...
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non-repudiation purposes except by involving additional parties. See the ISO/IEC 13888-2 standard. Another application is to build hash functions from block ciphers...
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incorporated. The SHA hash functions have been used for the basis of the SHACAL block ciphers. Revision control systems such as Git, Mercurial, and Monotone...
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2 {\displaystyle K_{2}} : E K 1 ( E K 2 ( P ) ) = P {\displaystyle E_{K_{1}}(E_{K_{2}}(P))=P} or equivalently, E K 2 = D K 1 . {\displaystyle E_{K_{2}}=D_{K_{1}}...
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Cryptographic hash function (section SHA-2)
conventional mode of operation, without the same security guarantees; for example, SHACAL, BEAR and LION. Pseudorandom number generators (PRNGs) can be built using...
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{\displaystyle 2^{n+1}} steps, instead of the 2 2 n {\displaystyle 2^{2n}} steps one would expect from an ideally secure algorithm with 2 n {\displaystyle...
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build hash functions, like SHA-1 and SHA-2 are based on block ciphers which are also used independently as SHACAL, hash functions can be used to build block...
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permutation layer functions are similar to the Σ {\displaystyle \Sigma } of SHA-2. The ciphers are parameterizable by the key length k (up to 128 bits), "rate"...
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1 χ 2 ⋯ χ n = 1 − 2 ( X 1 ⊕ X 2 ⊕ ⋯ ⊕ X n ) = ( − 1 ) X 1 ⊕ X 2 ⊕ ⋯ ⊕ X n {\displaystyle \chi _{1}\chi _{2}\cdots \chi _{n}=1-2(X_{1}\oplus X_{2}\oplus...
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connected with the (today comparatively small) block size of 64 bits. On January 2, 1997, NIST announced that they wished to choose a successor to DES to be...
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implementation. Bouncy Castle Crypto Library Delphi Encryption Compendium [2] has a cross platform capable AES implementation, among implementations of...
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defined over the "reverse" polynomial: x 128 + x 7 + x 2 + x + 1 {\displaystyle x^{128}+x^{7}+x^{2}+x+1} This change provides efficiency benefits on little-endian...
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NOEKEON NUSH PRESENT Prince Q RC2 REDOC Red Pike S-1 SAFER SAVILLE SC2000 SHACAL SHARK Simon Speck Spectr-H64 Square SXAL/MBAL Threefish Treyfer UES xmx...
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for the next message is insecure (for example, this method was used by SSL 2.0). If an attacker knows the IV (or the previous block of ciphertext) before...
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low_byte := x AND 0xff h := S[0][high_byte] + S[1][second_byte] return (h XOR S[2][third_byte]) + S[3][low_byte] procedure blowfish_encrypt(L, R): // Encrypts...
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Permutations from Pseudorandom Functions", SIAM Journal on Computing, 17 (2): 373–386, doi:10.1137/0217022, ISSN 0097-5397. Patarin, Jacques (October...
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field used is defined by the polynomial x 128 + x 7 + x 2 + x + 1 {\displaystyle x^{128}+x^{7}+x^{2}+x+1} The authentication tag is constructed by feeding...
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half-round function. To work with 16-bit words (meaning 4 inputs instead of 2 for the 64-bit block size), IDEA uses the Lai–Massey scheme twice in parallel...
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security • Serge Vaudenay • Serpent (cipher) • Session key • SHACAL • Shafi Goldwasser • SHA-1 • SHA-2 • SHA-3 • Shared secret • SHARK • Shaun Wylie • Shor's...
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Information Technology, CCSIT 2011, Bangalore, India, January 2-4, 2011. Proceedings, Part 2. Springer. p. 516. ISBN 978-3-642-17877-1. Buchmann, Johannes...
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encryption step 2. Xn−1 is the same as in the encryption process. Pn−1 = Xn−1 XOR Cn−2. Exclusive-OR Xn−1 with the previous ciphertext block, Cn−2, to create...
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a lower limit on the energy required to perform a computation of kT · ln 2 per bit erased in a computation, where T is the temperature of the computing...
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