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SHA-256: ×8 = 256: ×8 = 256: 16 × 4 = 64: SHA-224: ×7 = 224: SHA-512: 64 ×8 = 512: ×8 = 512: ×16 = 1024: 128 16 × 5 = 80: SHA-384: ×6 = 384: Tiger-192: 64 ×3 = 192: ×3 = 192: ×8 = 512: 64 8 × 3 = 24: A B L S Not Specified Tiger-160: ×2.5=160 Tiger-128: ×2 = 128: Function Word Digest Chaining values Computation values Block Length ...
SHA-2: A family of two similar hash functions, with different block sizes, known as SHA-256 and SHA-512. They differ in the word size; SHA-256 uses 32-bit words where SHA-512 uses 64-bit words. 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.
Template: Comparison of SHA functions. ... Download QR code; Print/export ... SHA3-224 SHA3-256 SHA3-384 SHA3-512: 224 256 384 512: 1600
SHA-3 (Secure Hash Algorithm 3) is the latest [4] member of the Secure Hash Algorithm family of standards, released by NIST on August 5, 2015. [5] [6] [7] Although part of the same series of standards, SHA-3 is internally different from the MD5-like structure of SHA-1 and SHA-2.
SHA-2 basically consists of two hash algorithms: SHA-256 and SHA-512. SHA-224 is a variant of SHA-256 with different starting values and truncated output. SHA-384 and the lesser-known SHA-512/224 and SHA-512/256 are all variants of SHA-512. SHA-512 is more secure than SHA-256 and is commonly faster than SHA-256 on 64-bit machines such as AMD64.
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.
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For example, SHA-256 operates on 512-bit blocks. The size of the output of HMAC is the same as that of the underlying hash function (e.g., 256 and 512 bits in the case of SHA-256 and SHA3-512, respectively), although it can be truncated if desired. HMAC does not encrypt the message.