op->aad_len = esp_aad_fill (op->aad, esp0, sa0, pd->seq_hi);
op->tag = payload + len;
op->tag_len = 16;
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_NULL_GMAC (sa0)))
+ {
+ /* RFC-4543 ENCR_NULL_AUTH_AES_GMAC: IV is part of AAD */
+ payload -= iv_sz;
+ len += iv_sz;
+ }
}
else
{
aad = (u8 *) nonce - sizeof (esp_aead_t);
esp_aad_fill (aad, esp0, sa0, pd->seq_hi);
tag = payload + len;
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_NULL_GMAC (sa0)))
+ {
+ /* RFC-4543 ENCR_NULL_AUTH_AES_GMAC: IV is part of AAD */
+ payload -= iv_sz;
+ len += iv_sz;
+ }
}
else
{