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SHA-2
SHA 2, Secure Hash Algorithm 2, SHA2
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Who is this?
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. 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. SHA-2 includes significant changes from its predecessor, SHA-1. The SHA-2 family consists of six hash functions with digests (hash values) that are 224, 256, 384 or 512 bits: SHA-224, SHA-256, SHA-384, SHA-512, SHA-512/224, SHA-512/256. SHA-256 and SHA-512 are hash functions whose digests are eight 32-bit and 64-bit words, respectively. They use different shift amounts and additive constants, but their structures are otherwise virtually identical, differing only in the number of rounds. SHA-224 and SHA-384 are truncated versions of SHA-256 and SHA-512 respectively, computed with different initial values. SHA-512/224 and SHA-512/256 are also truncated versions of SHA-512, but the initial values are generated using the method described in Federal Information Processing Standards (FIPS) PUB 180-4. SHA-2 was first published by the National Institute of Standards and Technology (NIST) as a U.S. federal standard. The SHA-2 family of algorithms are patented in the U.S. The United States has released the patent under a royalty-free license. As of 2011 the best public attacks break preimage resistance for 52 out of 64 rounds of SHA-256 or 57 out of 80 rounds of SHA-512, and collision resistance for 46 out of 64 rounds of SHA-256.
What happened recently
Ren showing Faesha those "saving my husband from a house fire" trend videos (idea from @yunghuuu.bsky.social)
@momocon.bsky.social Day 1(or Day 2 for others) as Cho Hakkai. I haven't worn this cosplay in a hot minute, I forgot my green bandana for him. Oops~ will be meeting up with Sha Gojyo in a bit.
Collin Graf is due a hefty raise. What will his next contract look like?
Been a while since the last adventure game was going. Using 3D backgrounds this time around, for extra detail and to keep environments more consistent.
IKEA REALLY HITTING US WITH THE DOUBLE BARREL SHA BOING BOING FOR 1.75
Anonymous Philanthropist Among Stakeholders Paying SHA for Over 2 Million Kenyans [LIST]
Sha’Carri Richardson chases down 2 competitors in rain to end her first Olympics with a relay gold
Sha'Carri Richardson chases down 2 competitors in rain to end her first Olympics with a relay gold
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