AES_GMAC_Reinit
AES_GMAC_Reinit(&ctx, iv, ivlen);
void AES_GMAC_Reinit(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,