unsigned int einval_allowed : 1;
/*
- * Set if the algorithm intentionally ignores the last 8 bytes of the
- * AAD buffer during decryption.
+ * Set if this algorithm requires that the IV be located at the end of
+ * the AAD buffer, in addition to being given in the normal way. The
+ * behavior when the two IV copies differ is implementation-defined.
*/
- unsigned int esp_aad : 1;
+ unsigned int aad_iv : 1;
};
struct cipher_test_suite {
* here means the full ciphertext including the authentication tag. The
* authentication tag (and hence also the ciphertext) is assumed to be nonempty.
*/
-static void mutate_aead_message(struct aead_testvec *vec, bool esp_aad)
+static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
+ unsigned int ivsize)
{
- const unsigned int aad_tail_size = esp_aad ? 8 : 0;
+ const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
const unsigned int authsize = vec->clen - vec->plen;
if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
/* Generate the AAD. */
generate_random_bytes((u8 *)vec->assoc, vec->alen);
+ if (suite->aad_iv && vec->alen >= ivsize)
+ /* Avoid implementation-defined behavior. */
+ memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
if (inauthentic && prandom_u32() % 2 == 0) {
/* Generate a random ciphertext. */
* Mutate the authentic (ciphertext, AAD) pair to get an
* inauthentic one.
*/
- mutate_aead_message(vec, suite->esp_aad);
+ mutate_aead_message(vec, suite->aad_iv, ivsize);
}
vec->novrfy = 1;
if (suite->einval_allowed)
goto out;
}
- err = test_aead_inauthentic_inputs(ctx);
+ err = test_aead_vs_generic_impl(ctx);
if (err)
goto out;
- err = test_aead_vs_generic_impl(ctx);
+ err = test_aead_inauthentic_inputs(ctx);
out:
kfree(ctx->vec.key);
kfree(ctx->vec.iv);
.aead = {
____VECS(aes_gcm_rfc4106_tv_template),
.einval_allowed = 1,
- .esp_aad = 1,
+ .aad_iv = 1,
}
}
}, {
.aead = {
____VECS(aes_ccm_rfc4309_tv_template),
.einval_allowed = 1,
- .esp_aad = 1,
+ .aad_iv = 1,
}
}
}, {
.aead = {
____VECS(aes_gcm_rfc4543_tv_template),
.einval_allowed = 1,
+ .aad_iv = 1,
}
}
}, {
.aead = {
____VECS(rfc7539esp_tv_template),
.einval_allowed = 1,
- .esp_aad = 1,
+ .aad_iv = 1,
}
}
}, {