diff options
| -rw-r--r-- | crypto/testmgr.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 88f33c0efb23..0a10dbde27ef 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -91,10 +91,11 @@ struct aead_test_suite { 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 { @@ -2167,9 +2168,10 @@ struct aead_extra_tests_ctx { * 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) { @@ -2207,6 +2209,9 @@ static void generate_aead_message(struct aead_request *req, /* 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. */ @@ -2242,7 +2247,7 @@ static void generate_aead_message(struct aead_request *req, * 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) @@ -5202,7 +5207,7 @@ static const struct alg_test_desc alg_test_descs[] = { .aead = { ____VECS(aes_gcm_rfc4106_tv_template), .einval_allowed = 1, - .esp_aad = 1, + .aad_iv = 1, } } }, { @@ -5214,7 +5219,7 @@ static const struct alg_test_desc alg_test_descs[] = { .aead = { ____VECS(aes_ccm_rfc4309_tv_template), .einval_allowed = 1, - .esp_aad = 1, + .aad_iv = 1, } } }, { @@ -5225,6 +5230,7 @@ static const struct alg_test_desc alg_test_descs[] = { .aead = { ____VECS(aes_gcm_rfc4543_tv_template), .einval_allowed = 1, + .aad_iv = 1, } } }, { @@ -5240,7 +5246,7 @@ static const struct alg_test_desc alg_test_descs[] = { .aead = { ____VECS(rfc7539esp_tv_template), .einval_allowed = 1, - .esp_aad = 1, + .aad_iv = 1, } } }, { |