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Operations [note 3] Endian [note 4] Word Digest Chaining values [note 5] Computation values [note 6] Block Length [note 7] GOST R 34.11-94: 32 ×8 = 256: ×8 = 256: 32 4 A B L S Little HAVAL-3-128: 32 ×4 = 128: ×8 = 256: ×32 = 1,024: 64 32 × 3 = 96: A B S Little HAVAL-3-160: ×5 = 160: HAVAL-3-192: ×6 = 192: HAVAL-3-224: ×7 = 224: HAVAL-3 ...
There are also truncated versions of each standard, known as SHA-224, SHA-384, SHA-512/224 and SHA-512/256. These were also designed by the NSA. These were also designed by the NSA. SHA-3 : A hash function formerly called Keccak , chosen in 2012 after a public competition among non-NSA designers.
SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA) and first published in 2001. [3] [4] They are built using the Merkle–Damgård construction, from a one-way compression function itself built using the Davies–Meyer structure from a specialized block cipher.
3.0.0 (July 7, 2021; 3 years ago () [21. 2.27.0 (July 7, 2021; 3 years ago (2.16.11 (July 7, 2021; 3 years ago (NaCl: Daniel J. Bernstein, Tanja Lange, Peter Schwabe: C: Yes: Public domain: February 21, 2011 [22] Nettle: C: Yes: GNU GPL v2+ or GNU LGPL v3: 3.10.1 [23] 2024-12-30 Network Security Services (NSS) Mozilla: C
Function Mix Inputs: V a, V b, V c, V d four 8-byte word entries from the work vector V x, y two 8-byte word entries from padded message m Output: V a, V b, V c, V d the modified versions of V a, V b, V c, V d V a ← V a + V b + x with input V d ← (V d xor V a) rotateright 32 V c ← V c + V d no input V b ← (V b xor V c) rotateright 24 V ...
For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.
For example, the pad could be derived from the total length of the message. This kind of padding scheme is commonly applied to hash algorithms that use the Merkle–Damgård construction such as MD-5, SHA-1, and SHA-2 family such as SHA-224, SHA-256, SHA-384, SHA-512, SHA-512/224, and SHA-512/256 [4]
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