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Add some additional tests of in-place encryption/decryption

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This commit is contained in:
Frank Denis 2022-12-11 21:04:49 +01:00
parent 634df56c5d
commit c69b3ec9be
1 changed files with 20 additions and 5 deletions
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25
test/default/aead_aes256gcm.c
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@ -3081,6 +3081,7 @@ tv(void)
{ {
unsigned char *ad; unsigned char *ad;
unsigned char *ciphertext; unsigned char *ciphertext;
unsigned char *ciphertext2;
unsigned char *decrypted; unsigned char *decrypted;
unsigned char *detached_ciphertext; unsigned char *detached_ciphertext;
unsigned char *expected_ciphertext; unsigned char *expected_ciphertext;
@ -3210,18 +3211,32 @@ tv(void)
printf("Incorrect decryption of test vector #%u\n", (unsigned int) i); printf("Incorrect decryption of test vector #%u\n", (unsigned int) i);
} }
memcpy(ciphertext, message, message_len); ciphertext2 = (unsigned char *) sodium_malloc(ciphertext_len);
crypto_aead_aes256gcm_encrypt(ciphertext, &found_ciphertext_len, ciphertext, crypto_aead_aes256gcm_encrypt(ciphertext, &found_ciphertext_len, message,
message_len, ad, ad_len, NULL, nonce, key); message_len, ad, ad_len, NULL, nonce, key);
assert(found_ciphertext_len == ciphertext_len); assert(found_ciphertext_len == ciphertext_len);
if (crypto_aead_aes256gcm_decrypt(ciphertext, &found_message_len, NULL, memcpy(ciphertext2, message, message_len);
ciphertext, ciphertext_len, ad, ad_len, crypto_aead_aes256gcm_encrypt(ciphertext2, &found_ciphertext_len,
ciphertext2, message_len, ad, ad_len, NULL,
nonce, key);
assert(found_ciphertext_len == ciphertext_len);
assert(memcmp(ciphertext, ciphertext2, ciphertext_len) == 0);
if (crypto_aead_aes256gcm_decrypt(ciphertext2, &found_message_len, NULL,
ciphertext2, ciphertext_len, ad, ad_len,
nonce, key) != 0) { nonce, key) != 0) {
printf("In-place decryption of vector #%u failed\n", (unsigned int) i); printf("In-place decryption of vector #%u failed\n", (unsigned int) i);
} }
assert(found_message_len == message_len); assert(found_message_len == message_len);
assert(memcmp(ciphertext, message, message_len) == 0); assert(memcmp(ciphertext2, message, message_len) == 0);
if (crypto_aead_aes256gcm_decrypt(message, &found_message_len, NULL,
ciphertext, ciphertext_len, ad, ad_len,
nonce, key) != 0) {
printf("Decryption of vector #%u failed\n", (unsigned int) i);
}
assert(found_message_len == message_len);
assert(memcmp(ciphertext2, message, message_len) == 0);
sodium_free(ciphertext2);
sodium_free(message); sodium_free(message);
sodium_free(ad); sodium_free(ad);
sodium_free(expected_ciphertext); sodium_free(expected_ciphertext);