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Bookmark or Share- The Difference Between SHA-1, SHA-2 and SHA-256 Hash AlgorithmsHashing algorithms are used in all sorts of ways – they are used for storing passwords, in computer vison, in databases, etc. There are hundreds of hashing algorithms out there and they all have specific purposes – some are optimized for certain types of data, others are for speed, security, etc.
- Secure Hash Algorithms - WikipediaThey 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 .
- All you need to know about the move from SHA-1 to SHA-2 ... - CSOSHA-2 root, SHA-1 issuing CAs, SHA-1 endpoint certificates; SHA-2 root, SHA-2 issuing CAs, SHA-1 endpoint certificates
- Secure Hash Algorithm 2 (SHA-2) - Just CryptographyThe Initial Vector has 8 words. SHA-256 uses 32-bit words and SHA-512 uses 64-bit words. The size of the digest is 8×32=256 for SHA-256 and 8×64=512 bits for SHA-512. Let’s examine the algorithm that processes each block.
- SHA-2 - WikipediaThe red is addition modulo 2 32 for SHA-256, or 2 64 for SHA-512. With the publication of FIPS PUB 180-2, NIST added three additional hash functions in the SHA family. The algorithms are collectively known as SHA-2, named after their digest lengths (in bits): SHA-256, SHA-384, and SHA-512.
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