Hash Based Message Authentication Code (HMAC)
Keyed-Hash Message Authentication Code (HMAC) as defined in U.S. Federal Information Processing Standards Publication 198. An HMAC is a cryptographic hash that uses a key to sign a message. The receiver verifies the hash by recomputing it using the same key.
Generate a MD5 HMAC for the content given the key.
Content:
HMAC_MD5 Result:
Generate a SHA1 HMAC for the content given the key.
Content:
HMAC_SHA1 Result:
Generate a SHA256 HMAC for the content given the key.