AES_GMAC_Setkey
AES_GMAC_Setkey(&ctx, key, klen);
void AES_GMAC_Setkey(void *, const uint8_t *, uint16_t);
AESCTR_BLOCKSIZE, AES_GMAC_Init, AES_GMAC_Setkey, AES_GMAC_Reinit,
AESCTR_BLOCKSIZE, AES_GMAC_Init, AES_GMAC_Setkey, AES_GMAC_Reinit,
AESCTR_BLOCKSIZE, AES_GMAC_Init, AES_GMAC_Setkey, AES_GMAC_Reinit,