Identifiers and Test Vectors for HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 (RFC 4231) (source code)

= Identifiers and Test Vectors for HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 (RFC 4231)
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{tag=Work by Magnus Nystrom}

https://datatracker.ietf.org/doc/html/rfc4231

December2005. The title-page byline is M.Nystrom; Author’s Address onp.8 gives Magnus Nystrom. Section4.2, Test Case1, specifies a20-byte key consisting of hexadecimal0b bytes, ASCII message `Hi There`, and the HMAC-SHA-256 output. Section4.4 states the64-byte block size of SHA-256.