/* AES CTR Encrypt (used for decrypt too, with ENCRYPT key setup) */
int CRYPT_AES_CTR_Encrypt(CRYPT_AES_CTX* aes, unsigned char* out,
const unsigned char* in, unsigned int inSz)
{
if (aes == NULL || out == NULL || in == NULL)
return BAD_FUNC_ARG;
AesCtrEncrypt((Aes*)aes, out, in, inSz);
return 0;
}
void bench_aesctr(void)
{
Aes enc;
double start, total, persec;
int i;
AesSetKeyDirect(&enc, key, AES_BLOCK_SIZE, iv, AES_ENCRYPTION);
start = current_time(1);
for(i = 0; i < numBlocks; i++)
AesCtrEncrypt(&enc, plain, cipher, sizeof(plain));
total = current_time(0) - start;
persec = 1 / total * numBlocks;
#ifdef BENCH_EMBEDDED
/* since using kB, convert to MB/s */
persec = persec / 1024;
#endif
printf("AES-CTR %d %s took %5.3f seconds, %7.3f MB/s\n", numBlocks,
blockType, total, persec);
}
/* check mcapi aes ctr */
static int check_aesctr(void)
{
CRYPT_AES_CTX mcAes;
Aes defAes;
int ret;
byte out1[AES_TEST_SIZE];
byte out2[AES_TEST_SIZE];
strncpy((char*)key, "1234567890abcdefghijklmnopqrstuv", 32);
strncpy((char*)iv, "1234567890abcdef", 16);
/* 128 ctr encrypt */
ret = CRYPT_AES_KeySet(&mcAes, key, 16, iv, CRYPT_AES_ENCRYPTION);
if (ret != 0) {
printf("mcapi aes-128 key set failed\n");
return -1;
}
ret = AesSetKey(&defAes, key, 16, iv, AES_ENCRYPTION);
if (ret != 0) {
printf("default aes-128 key set failed\n");
return -1;
}
ret = CRYPT_AES_CTR_Encrypt(&mcAes, out1, ourData, AES_TEST_SIZE);
if (ret != 0) {
printf("mcapi aes-128 ctr encrypt failed\n");
return -1;
}
AesCtrEncrypt(&defAes, out2, ourData, AES_TEST_SIZE);
if (memcmp(out1, out2, AES_TEST_SIZE) != 0) {
printf("mcapi aes-128 ctr encrypt cmp failed\n");
return -1;
}
/* 128 ctr decrypt */
ret = CRYPT_AES_KeySet(&mcAes, key, 16, iv, CRYPT_AES_ENCRYPTION);
if (ret != 0) {
printf("mcapi aes-128 key set failed\n");
return -1;
}
ret = AesSetKey(&defAes, key, 16, iv, AES_ENCRYPTION);
if (ret != 0) {
printf("default aes-128 key set failed\n");
return -1;
}
ret = CRYPT_AES_CTR_Encrypt(&mcAes, out2, out1, AES_TEST_SIZE);
if (ret != 0) {
printf("mcapi aes-128 ctr decrypt failed\n");
return -1;
}
if (memcmp(out2, ourData, AES_TEST_SIZE) != 0) {
printf("mcapi aes-128 ctr decrypt orig cmp failed\n");
return -1;
}
/* 192 ctr encrypt */
ret = CRYPT_AES_KeySet(&mcAes, key, 24, iv, CRYPT_AES_ENCRYPTION);
if (ret != 0) {
printf("mcapi aes-192 key set failed\n");
return -1;
}
ret = AesSetKey(&defAes, key, 24, iv, AES_ENCRYPTION);
if (ret != 0) {
printf("default aes-192 key set failed\n");
return -1;
}
ret = CRYPT_AES_CTR_Encrypt(&mcAes, out1, ourData, AES_TEST_SIZE);
if (ret != 0) {
printf("mcapi aes-192 ctr encrypt failed\n");
return -1;
}
AesCtrEncrypt(&defAes, out2, ourData, AES_TEST_SIZE);
if (memcmp(out1, out2, AES_TEST_SIZE) != 0) {
printf("mcapi aes-192 ctr encrypt cmp failed\n");
return -1;
}
/* 192 ctr decrypt */
ret = CRYPT_AES_KeySet(&mcAes, key, 24, iv, CRYPT_AES_ENCRYPTION);
if (ret != 0) {
printf("mcapi aes-192 key set failed\n");
return -1;
}
ret = AesSetKey(&defAes, key, 24, iv, AES_DECRYPTION);
if (ret != 0) {
printf("default aes-192 key set failed\n");
return -1;
}
ret = CRYPT_AES_CTR_Encrypt(&mcAes, out2, out1, AES_TEST_SIZE);
if (ret != 0) {
printf("mcapi aes-192 ctr decrypt failed\n");
return -1;
}
if (memcmp(out2, ourData, AES_TEST_SIZE) != 0) {
printf("mcapi aes-192 ctr decrypt orig cmp failed\n");
return -1;
}
/* 256 ctr encrypt */
ret = CRYPT_AES_KeySet(&mcAes, key, 32, iv, CRYPT_AES_ENCRYPTION);
if (ret != 0) {
printf("mcapi aes-256 key set failed\n");
return -1;
}
ret = AesSetKey(&defAes, key, 32, iv, AES_ENCRYPTION);
if (ret != 0) {
printf("default aes-256 key set failed\n");
return -1;
}
ret = CRYPT_AES_CTR_Encrypt(&mcAes, out1, ourData, AES_TEST_SIZE);
if (ret != 0) {
printf("mcapi aes-256 ctr encrypt failed\n");
return -1;
}
AesCtrEncrypt(&defAes, out2, ourData, AES_TEST_SIZE);
if (memcmp(out1, out2, AES_TEST_SIZE) != 0) {
printf("mcapi aes-256 ctr encrypt cmp failed\n");
return -1;
}
/* 256 ctr decrypt */
ret = CRYPT_AES_KeySet(&mcAes, key, 32, iv, CRYPT_AES_ENCRYPTION);
if (ret != 0) {
printf("mcapi aes-256 key set failed\n");
return -1;
}
ret = AesSetKey(&defAes, key, 32, iv, AES_ENCRYPTION);
if (ret != 0) {
printf("default aes-256 key set failed\n");
return -1;
}
ret = CRYPT_AES_CTR_Encrypt(&mcAes, out2, out1, AES_TEST_SIZE);
if (ret != 0) {
printf("mcapi aes-256 ctr decrypt failed\n");
return -1;
}
if (memcmp(out2, ourData, AES_TEST_SIZE) != 0) {
printf("mcapi aes-256 ctr decrypt orig cmp failed\n");
return -1;
}
printf("aes-ctr mcapi test passed\n");
return 0;
}
