sodium_crypto_auth
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_auth — Compute a tag for the message
Description
sodium_crypto_auth(string
$message, string $key): stringSymmetric message authentication via sodium_crypto_auth() provides integrity, but not confidentiality.
Unlike with digital signatures (e.g. sodium_crypto_sign_detached()), any party capable of verifying a message is also capable of authenticating their own messages. (Hence, symmetric authentication.)
Parameters
-
message -
The message you intend to authenticate
-
key -
Authentication key
Return Values
Authentication tag
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