Create a hash-based message authentication code using HMAC-SHA256 as
specified in RFC 4231. Returns a 32-byte Uint8Array.
Secrets longer than the block byte-length (64 bytes) are hashed before
use, shortening their length to the minimum recommended length (32 bytes).
See RFC 2104 for details.
Create a hash-based message authentication code using HMAC-SHA256 as specified in
RFC 4231
. Returns a 32-byte Uint8Array.Secrets longer than the block byte-length (64 bytes) are hashed before use, shortening their length to the minimum recommended length (32 bytes). See
RFC 2104
for details.