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Add negative test for key length change

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Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22590)
This commit is contained in:
Tomas Mraz 2023-11-01 18:39:32 +01:00
parent 82750a0826
commit 1aa08644ec
1 changed files with 73 additions and 1 deletions
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74
test/evp_extra_test.c
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@ -4312,7 +4312,6 @@ static int test_ivlen_change(int idx)
int outlen;
int res = 0;
unsigned char outbuf[1024];
static const unsigned char iv[] = {
0x57, 0x71, 0x7d, 0xad, 0xdb, 0x9b, 0x98, 0x82,
0x5a, 0x55, 0x91, 0x81, 0x42, 0xa8, 0x89, 0x34
@ -4356,6 +4355,77 @@ static int test_ivlen_change(int idx)
return res;
}
static const char *keylen_change_ciphers[] = {
#ifndef OPENSSL_NO_BF
"BF-ECB",
#endif
#ifndef OPENSSL_NO_CAST
"CAST5-ECB",
#endif
#ifndef OPENSSL_NO_RC2
"RC2-ECB",
#endif
#ifndef OPENSSL_NO_RC4
"RC4",
#endif
#ifndef OPENSSL_NO_RC5
"RC5-ECB",
#endif
NULL
};
/* Negative test for keylen change after key was set */
static int test_keylen_change(int idx)
{
int outlen;
int res = 0;
unsigned char outbuf[1024];
static const unsigned char key[] = {
0x57, 0x71, 0x7d, 0xad, 0xdb, 0x9b, 0x98, 0x82,
0x5a, 0x55, 0x91, 0x81, 0x42, 0xa8, 0x89, 0x34
};
EVP_CIPHER_CTX *ctx = NULL;
EVP_CIPHER *ciph = NULL;
OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
size_t keylen = 12; /* non-default key length */
if (lgcyprov == NULL)
return TEST_skip("Test requires legacy provider to be loaded");
if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
goto err;
if (!TEST_ptr(ciph = EVP_CIPHER_fetch(testctx, keylen_change_ciphers[idx],
testpropq)))
goto err;
if (!TEST_true(EVP_CipherInit_ex(ctx, ciph, NULL, key, NULL, 1)))
goto err;
if (!TEST_true(EVP_CipherUpdate(ctx, outbuf, &outlen, gcmDefaultPlaintext,
sizeof(gcmDefaultPlaintext))))
goto err;
params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_KEYLEN,
&keylen);
if (!TEST_true(EVP_CIPHER_CTX_set_params(ctx, params)))
goto err;
ERR_set_mark();
if (!TEST_false(EVP_CipherUpdate(ctx, outbuf, &outlen, gcmDefaultPlaintext,
sizeof(gcmDefaultPlaintext)))) {
ERR_clear_last_mark();
goto err;
}
ERR_pop_to_mark();
res = 1;
err:
EVP_CIPHER_CTX_free(ctx);
EVP_CIPHER_free(ciph);
return res;
}
#ifndef OPENSSL_NO_DEPRECATED_3_0
static EVP_PKEY_METHOD *custom_pmeth = NULL;
static const EVP_PKEY_METHOD *orig_pmeth = NULL;
@ -5478,6 +5548,8 @@ int setup_tests(void)
ADD_ALL_TESTS(test_gcm_reinit, OSSL_NELEM(gcm_reinit_tests));
ADD_ALL_TESTS(test_evp_updated_iv, OSSL_NELEM(evp_updated_iv_tests));
ADD_ALL_TESTS(test_ivlen_change, OSSL_NELEM(ivlen_change_ciphers));
if (OSSL_NELEM(keylen_change_ciphers) - 1 > 0)
ADD_ALL_TESTS(test_keylen_change, OSSL_NELEM(keylen_change_ciphers) - 1);
#ifndef OPENSSL_NO_DEPRECATED_3_0
ADD_ALL_TESTS(test_custom_pmeth, 12);