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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.
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.
Algorithm Output size (bits) Internal state size [note 1] Block size Length size Word size Rounds; BLAKE2b: 512 512 1024 128 [note 2]: 64 12 BLAKE2s: 256 256 512 64 [note 3]: 32 10
TLS 1.0 (deprecated) TLS 1.1 (deprecated) TLS 1.2 TLS 1.3 EV [n 3] [1] SHA-2 [2] ECDSA [3] BEAST [n 4] CRIME [n 5] POODLE (SSLv3) [n 6] RC4 [n 7] FREAK [4] [5] Logjam Google Chrome (Chrome for Android) [n 8] [n 9] 1–9 Windows (10+) macOS (11+) Linux Android (8.0+) iOS (14+) ChromeOS: Disabled by default Yes Yes No No No Yes (only desktop ...
3. Joining the memecoin mania. Memecoins are like bitcoin and other cryptocurrencies, but inspired by internet trends, jokes or viral moments without any real purpose behind them, making them one ...
Lacoste is using AI tech Vrai to detect counterfeit returns. Return fraud costs retailers billions, with billions lost globally. Amazon and other retailers face scams exploiting return policies ...
Even though MD2 is not yet fully compromised, the IETF retired MD2 to "historic" status in 2011, citing "signs of weakness". It is deprecated in favor of SHA-256 and other strong hashing algorithms. [4] Nevertheless, as of 2014, it remained in use in public key infrastructures as part of certificates generated with MD2 and RSA. [citation needed]
Major alcohol companies have been bracing for a culture shift favoring nonalcoholic options. Consumers under 30 tend to buy less alcohol and drink less often.