@c gnutls_mac_algorithm_t
@table @code
@item GNUTLS_@-MAC_@-UNKNOWN
Unknown MAC algorithm.
@item GNUTLS_@-MAC_@-NULL
NULL MAC algorithm (empty output).
@item GNUTLS_@-MAC_@-MD5
HMAC-MD5 algorithm.
@item GNUTLS_@-MAC_@-SHA1
HMAC-SHA-1 algorithm.
@item GNUTLS_@-MAC_@-RMD160
HMAC-RMD160 algorithm.
@item GNUTLS_@-MAC_@-MD2
HMAC-MD2 algorithm.
@item GNUTLS_@-MAC_@-SHA256
HMAC-SHA-256 algorithm.
@item GNUTLS_@-MAC_@-SHA384
HMAC-SHA-384 algorithm.
@item GNUTLS_@-MAC_@-SHA512
HMAC-SHA-512 algorithm.
@item GNUTLS_@-MAC_@-SHA224
HMAC-SHA-224 algorithm.
@item GNUTLS_@-MAC_@-SHA3_@-224
Reserved; unimplemented.
@item GNUTLS_@-MAC_@-SHA3_@-256
Reserved; unimplemented.
@item GNUTLS_@-MAC_@-SHA3_@-384
Reserved; unimplemented.
@item GNUTLS_@-MAC_@-SHA3_@-512
Reserved; unimplemented.
@item GNUTLS_@-MAC_@-MD5_@-SHA1
Combined MD5+SHA1 MAC placeholder.
@item GNUTLS_@-MAC_@-GOSTR_@-94
HMAC GOST R 34.11-94 algorithm.
@item GNUTLS_@-MAC_@-STREEBOG_@-256
HMAC GOST R 34.11-2001 (Streebog) algorithm, 256 bit.
@item GNUTLS_@-MAC_@-STREEBOG_@-512
HMAC GOST R 34.11-2001 (Streebog) algorithm, 512 bit.
@item GNUTLS_@-MAC_@-AEAD
MAC implicit through AEAD cipher.
@item GNUTLS_@-MAC_@-UMAC_@-96
The UMAC-96 MAC algorithm (requires nonce).
@item GNUTLS_@-MAC_@-UMAC_@-128
The UMAC-128 MAC algorithm (requires nonce).
@item GNUTLS_@-MAC_@-AES_@-CMAC_@-128
The AES-CMAC-128 MAC algorithm.
@item GNUTLS_@-MAC_@-AES_@-CMAC_@-256
The AES-CMAC-256 MAC algorithm.
@item GNUTLS_@-MAC_@-AES_@-GMAC_@-128
The AES-GMAC-128 MAC algorithm (requires nonce).
@item GNUTLS_@-MAC_@-AES_@-GMAC_@-192
The AES-GMAC-192 MAC algorithm (requires nonce).
@item GNUTLS_@-MAC_@-AES_@-GMAC_@-256
The AES-GMAC-256 MAC algorithm (requires nonce).
@item GNUTLS_@-MAC_@-GOST28147_@-TC26Z_@-IMIT
The GOST 28147-89 working in IMIT mode with TC26 Z S-box.
@item GNUTLS_@-MAC_@-SHAKE_@-128
Reserved; unimplemented.
@item GNUTLS_@-MAC_@-SHAKE_@-256
Reserved; unimplemented.
@item GNUTLS_@-MAC_@-MAGMA_@-OMAC
GOST R 34.12-2015 (Magma) in OMAC (CMAC) mode.
@item GNUTLS_@-MAC_@-KUZNYECHIK_@-OMAC
GOST R 34.12-2015 (Kuznyechik) in OMAC (CMAC) mode.
@end table