The BLAKE2 Cryptographic Hash and Message Authentication Code (MAC), November 2015
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- M-J. Saarinen, Ed.
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This document describes the cryptographic hash function BLAKE2 and makes the algorithm specification and C source code conveniently available to the Internet community. BLAKE2 comes in two main flavors: BLAKE2b is optimized for 64-bit platforms and BLAKE2s for smaller architectures. BLAKE2 can be directly keyed, making it functionally equivalent to a Message Authentication Code (MAC).
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.