mmo-ref/dep-libtomcrypt
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Add aes_enc_test()

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Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>
This commit is contained in:
Steffen Jaeckel 2023-10-22 20:44:04 +02:00
parent 86fe3b91f1
commit 090f52755c
3 changed files with 20 additions and 8 deletions
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26
src/ciphers/aes/aes_desc.c
View file

@ -34,6 +34,7 @@ const struct ltc_cipher_descriptor aes_desc =
#define AES_SETUP aes_enc_setup
#define AES_ENC aes_enc_ecb_encrypt
#define AES_DONE aes_enc_done
#define AES_TEST aes_enc_test
#define AES_KS aes_enc_keysize
const struct ltc_cipher_descriptor aes_enc_desc =
@ -119,6 +120,7 @@ int AES_ENC(const unsigned char *pt, unsigned char *ct, const symmetric_key *ske
}
#ifndef ENCRYPT_ONLY
/**
Decrypts a block of text with AES
@param ct The input ciphertext (16 bytes)
@ -135,6 +137,7 @@ int AES_DEC(const unsigned char *ct, unsigned char *pt, const symmetric_key *ske
#endif
return rijndael_ecb_decrypt(ct, pt, skey);
}
#endif /* ENCRYPT_ONLY */
/**
Performs a self-test of the AES block cipher
@ -181,26 +184,33 @@ int AES_TEST(void)
symmetric_key key;
unsigned char tmp[2][16];
int i, y;
int i;
#ifndef ENCRYPT_ONLY
int y;
#endif
for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) {
zeromem(&key, sizeof(key));
if ((err = aes_setup(tests[i].key, tests[i].keylen, 0, &key)) != CRYPT_OK) {
if ((err = AES_SETUP(tests[i].key, tests[i].keylen, 0, &key)) != CRYPT_OK) {
return err;
}
aes_ecb_encrypt(tests[i].pt, tmp[0], &key);
aes_ecb_decrypt(tmp[0], tmp[1], &key);
if (compare_testvector(tmp[0], 16, tests[i].ct, 16, "AES Encrypt", i) ||
compare_testvector(tmp[1], 16, tests[i].pt, 16, "AES Decrypt", i)) {
AES_ENC(tests[i].pt, tmp[0], &key);
if (compare_testvector(tmp[0], 16, tests[i].ct, 16, "AES Encrypt", i)) {
return CRYPT_FAIL_TESTVECTOR;
}
#ifndef ENCRYPT_ONLY
AES_DEC(tmp[0], tmp[1], &key);
if (compare_testvector(tmp[1], 16, tests[i].pt, 16, "AES Decrypt", i)) {
return CRYPT_FAIL_TESTVECTOR;
}
/* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */
for (y = 0; y < 16; y++) tmp[0][y] = 0;
for (y = 0; y < 1000; y++) aes_ecb_encrypt(tmp[0], tmp[0], &key);
for (y = 0; y < 1000; y++) aes_ecb_decrypt(tmp[0], tmp[0], &key);
for (y = 0; y < 1000; y++) AES_ENC(tmp[0], tmp[0], &key);
for (y = 0; y < 1000; y++) AES_DEC(tmp[0], tmp[0], &key);
for (y = 0; y < 16; y++) if (tmp[0][y] != 0) return CRYPT_FAIL_TESTVECTOR;
#endif
}
return CRYPT_OK;
#endif

1
src/headers/tomcrypt_cipher.h
View file

@ -699,6 +699,7 @@ void aes_done(symmetric_key *skey);
int aes_keysize(int *keysize);
int aes_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
int aes_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, const symmetric_key *skey);
int aes_enc_test(void);
void aes_enc_done(symmetric_key *skey);
int aes_enc_keysize(int *keysize);
extern const struct ltc_cipher_descriptor aes_desc;

1
tests/cipher_hash_test.c
View file

@ -20,6 +20,7 @@ int cipher_hash_test(void)
}
DO(rijndael_test());
#endif
DO(aes_enc_test());
/* test stream ciphers */
#ifdef LTC_CHACHA