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xtensa/esp32_aes.c: Use the same output when testing the AES driver.

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Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
This commit is contained in:
Abdelatif Guettouche
2021-06-21 09:53:40 +01:00
committed by Xiang Xiao
parent 841fb02ac0
commit a4289c4f84
1 changed files with 141 additions and 53 deletions
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arch/xtensa/src/esp32/esp32_aes.c
+141 -53
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@@ -653,7 +653,7 @@ int aes_cypher(FAR void *out, FAR const void *in, uint32_t size,
* Name: esp32_aes_ecb_test
****************************************************************************/
static void esp32_aes_ecb_test(void)
static bool esp32_aes_ecb_test(void)
{
int ret;
int i;
@@ -703,33 +703,46 @@ static void esp32_aes_ecb_test(void)
keybits = i * 64 + 128;
ret = esp32_aes_setkey(&aes, key, keybits);
DEBUGASSERT(ret == 0);
if (ret < 0)
{
return false;
}
ret = esp32_aes_ecb_cypher(&aes, 1, input, encrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(encrypt_buf, result[i], size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(encrypt_buf, result[i], size);
if (ret)
{
return false;
}
ret = esp32_aes_ecb_cypher(&aes, 0, encrypt_buf, decrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(decrypt_buf, input, size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(decrypt_buf, input, size);
if (ret)
{
return false;
}
syslog(LOG_INFO, "ESP32 AES ECB key=%d bits test: PASS\n", keybits);
}
return true;
}
/****************************************************************************
* Name: esp32_aes_cbc_test
****************************************************************************/
static void esp32_aes_cbc_test(void)
static bool esp32_aes_cbc_test(void)
{
int ret;
int i;
@@ -786,36 +799,49 @@ static void esp32_aes_cbc_test(void)
keybits = i * 64 + 128;
ret = esp32_aes_setkey(&aes, key, keybits);
DEBUGASSERT(ret == 0);
if (ret < 0)
{
return false;
}
memcpy(iv_buf, iv, 16);
ret = esp32_aes_cbc_cypher(&aes, 1, iv_buf, input, encrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(encrypt_buf, result[i], size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(encrypt_buf, result[i], size);
if (ret)
{
return false;
}
memcpy(iv_buf, iv, 16);
ret = esp32_aes_cbc_cypher(&aes, 0, iv_buf, encrypt_buf,
decrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(decrypt_buf, input, size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(decrypt_buf, input, size);
if (ret)
{
return false;
}
syslog(LOG_INFO, "ESP32 AES CBC key=%d bits test: PASS\n", keybits);
}
return true;
}
/****************************************************************************
* Name: esp32_aes_cbc_test
* Name: esp32_aes_ctr_test
****************************************************************************/
static void esp32_aes_ctr_test(void)
static bool esp32_aes_ctr_test(void)
{
int ret;
int i;
@@ -874,39 +900,52 @@ static void esp32_aes_ctr_test(void)
keybits = i * 64 + 128;
ret = esp32_aes_setkey(&aes, key, keybits);
DEBUGASSERT(ret == 0);
if (ret < 0)
{
return false;
}
nc_off = 0;
memcpy(cnt_buf, cnt, 16);
ret = esp32_aes_ctr_cypher(&aes, &nc_off, cnt_buf, cache_buf,
input, encrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(encrypt_buf, result[i], size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(encrypt_buf, result[i], size);
if (ret)
{
return false;
}
nc_off = 0;
memcpy(cnt_buf, cnt, 16);
ret = esp32_aes_ctr_cypher(&aes, &nc_off, cnt_buf, cache_buf,
encrypt_buf, decrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(decrypt_buf, input, size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(decrypt_buf, input, size);
if (ret)
{
return false;
}
syslog(LOG_INFO, "ESP32 AES CTR key=%d bits test: PASS\n", keybits);
}
return true;
}
/****************************************************************************
* Name: esp32_aes_xts_test
****************************************************************************/
static void esp32_aes_xts_test(void)
static bool esp32_aes_xts_test(void)
{
int ret;
int i;
@@ -975,7 +1014,10 @@ static void esp32_aes_xts_test(void)
keybits = i * 256 + 256;
ret = esp32_aes_xts_setkey(&aes, key, keybits);
DEBUGASSERT(ret == 0);
if (ret < 0)
{
return false;
}
/* Encrypt/Decrypt 32 bytes */
@@ -984,21 +1026,29 @@ static void esp32_aes_xts_test(void)
memcpy(unit_buf, unit, 16);
ret = esp32_aes_xts_cypher(&aes, true, unit_buf, input,
encrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(encrypt_buf, result_in32[i], size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(encrypt_buf, result_in32[i], size);
if (ret)
{
return false;
}
memcpy(unit_buf, unit, 16);
ret = esp32_aes_xts_cypher(&aes, false, unit_buf, encrypt_buf,
decrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(decrypt_buf, input, size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(decrypt_buf, input, size);
if (ret)
{
return false;
}
/* Encrypt/Decrypt 30 bytes */
@@ -1008,25 +1058,35 @@ static void esp32_aes_xts_test(void)
memcpy(unit_buf, unit, 16);
ret = esp32_aes_xts_cypher(&aes, true, unit_buf, input,
encrypt_buf, size);
DEBUGASSERT(ret == 0);
if (memcmp(encrypt_buf, result_in30[i], size))
if (ret < 0)
{
DEBUGASSERT(0);
return false;
}
ret = memcmp(encrypt_buf, result_in30[i], size);
if (ret)
{
return false;
}
memcpy(unit_buf, unit, 16);
ret = esp32_aes_xts_cypher(&aes, false, unit_buf, encrypt_buf,
decrypt_buf, size);
DEBUGASSERT(ret == 0);
if (ret < 0)
{
return false;
}
if (memcmp(decrypt_buf, input, size))
ret = memcmp(decrypt_buf, input, size);
if (ret)
{
DEBUGASSERT(0);
}
syslog(LOG_INFO, "ESP32 AES XTS key=%d bits test: PASS\n", keybits);
}
return true;
}
/****************************************************************************
@@ -1035,16 +1095,44 @@ static void esp32_aes_xts_test(void)
int esp32_aes_main(int argc, char *argv[])
{
bool success;
syslog(LOG_INFO, "----- BEGIN TEST -----\n");
esp32_aes_init();
esp32_aes_ecb_test();
esp32_aes_cbc_test();
esp32_aes_ctr_test();
esp32_aes_xts_test();
success = esp32_aes_ecb_test();
if (!success)
{
goto test_end;
}
syslog(LOG_INFO, "\nESP32 AES hardware accelerate test done.\n");
success = esp32_aes_cbc_test();
if (!success)
{
goto test_end;
}
success = esp32_aes_ctr_test();
if (!success)
{
goto test_end;
}
success = esp32_aes_xts_test();
if (!success)
{
goto test_end;
}
test_end:
syslog(LOG_INFO, "----- END TEST -----\n");
syslog(LOG_INFO, "\n");
syslog(LOG_INFO, "----- RESULT: %s -----\n",
success ? "SUCCESS" : "FAILED");
return 0;
}
#endif