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/* BEGIN_HEADER */
#include <stdint.h>
#include "common.h"
#include "psa/crypto.h"
#include "psa_crypto_core.h"
#include "psa_crypto_invasive.h"
#include "test/psa_crypto_helpers.h"
#include "test/memory.h"
/* Helper to fill a buffer with a data pattern. The pattern is not
* important, it just allows a basic check that the correct thing has
* been written, in a way that will detect an error in offset. */
static void fill_buffer_pattern(uint8_t *buffer, size_t len)
{
for (size_t i = 0; i < len; i++) {
buffer[i] = (uint8_t) (i % 256);
}
}
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_TEST_HOOKS
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void copy_input(int src_len, int dst_len, psa_status_t exp_status)
{
uint8_t *src_buffer = NULL;
uint8_t *dst_buffer = NULL;
psa_status_t status;
TEST_CALLOC(src_buffer, src_len);
TEST_CALLOC(dst_buffer, dst_len);
fill_buffer_pattern(src_buffer, src_len);
status = psa_crypto_copy_input(src_buffer, src_len, dst_buffer, dst_len);
TEST_EQUAL(status, exp_status);
if (exp_status == PSA_SUCCESS) {
MBEDTLS_TEST_MEMORY_UNPOISON(src_buffer, src_len);
/* Note: We compare the first src_len bytes of each buffer, as this is what was copied. */
TEST_MEMORY_COMPARE(src_buffer, src_len, dst_buffer, src_len);
}
exit:
mbedtls_free(src_buffer);
mbedtls_free(dst_buffer);
}
/* END_CASE */
/* BEGIN_CASE */
void copy_output(int src_len, int dst_len, psa_status_t exp_status)
{
uint8_t *src_buffer = NULL;
uint8_t *dst_buffer = NULL;
psa_status_t status;
TEST_CALLOC(src_buffer, src_len);
TEST_CALLOC(dst_buffer, dst_len);
fill_buffer_pattern(src_buffer, src_len);
status = psa_crypto_copy_output(src_buffer, src_len, dst_buffer, dst_len);
TEST_EQUAL(status, exp_status);
if (exp_status == PSA_SUCCESS) {
MBEDTLS_TEST_MEMORY_UNPOISON(dst_buffer, dst_len);
/* Note: We compare the first src_len bytes of each buffer, as this is what was copied. */
TEST_MEMORY_COMPARE(src_buffer, src_len, dst_buffer, src_len);
}
exit:
mbedtls_free(src_buffer);
mbedtls_free(dst_buffer);
}
/* END_CASE */
/* BEGIN_CASE */
void local_input_alloc(int input_len, psa_status_t exp_status)
{
uint8_t *input = NULL;
psa_crypto_local_input_t local_input;
psa_status_t status;
local_input.buffer = NULL;
TEST_CALLOC(input, input_len);
fill_buffer_pattern(input, input_len);
status = psa_crypto_local_input_alloc(input, input_len, &local_input);
TEST_EQUAL(status, exp_status);
if (exp_status == PSA_SUCCESS) {
MBEDTLS_TEST_MEMORY_UNPOISON(input, input_len);
if (input_len != 0) {
TEST_ASSERT(local_input.buffer != input);
}
TEST_MEMORY_COMPARE(input, input_len,
local_input.buffer, local_input.length);
}
exit:
mbedtls_free(local_input.buffer);
if (local_input.buffer != input) {
mbedtls_free(input);
}
}
/* END_CASE */
/* BEGIN_CASE */
void local_input_free(int input_len)
{
psa_crypto_local_input_t local_input;
local_input.buffer = NULL;
local_input.length = input_len;
TEST_CALLOC(local_input.buffer, local_input.length);
psa_crypto_local_input_free(&local_input);
TEST_ASSERT(local_input.buffer == NULL);
TEST_EQUAL(local_input.length, 0);
exit:
mbedtls_free(local_input.buffer);
local_input.buffer = NULL;
local_input.length = 0;
}
/* END_CASE */
/* BEGIN_CASE */
void local_input_round_trip()
{
psa_crypto_local_input_t local_input;
uint8_t input[200];
psa_status_t status;
fill_buffer_pattern(input, sizeof(input));
status = psa_crypto_local_input_alloc(input, sizeof(input), &local_input);
TEST_EQUAL(status, PSA_SUCCESS);
MBEDTLS_TEST_MEMORY_UNPOISON(input, sizeof(input));
TEST_MEMORY_COMPARE(local_input.buffer, local_input.length,
input, sizeof(input));
TEST_ASSERT(local_input.buffer != input);
psa_crypto_local_input_free(&local_input);
TEST_ASSERT(local_input.buffer == NULL);
TEST_EQUAL(local_input.length, 0);
}
/* END_CASE */
/* BEGIN_CASE */
void local_output_alloc(int output_len, psa_status_t exp_status)
{
uint8_t *output = NULL;
psa_crypto_local_output_t local_output;
psa_status_t status;
local_output.buffer = NULL;
TEST_CALLOC(output, output_len);
status = psa_crypto_local_output_alloc(output, output_len, &local_output);
TEST_EQUAL(status, exp_status);
if (exp_status == PSA_SUCCESS) {
TEST_ASSERT(local_output.original == output);
TEST_EQUAL(local_output.length, output_len);
}
exit:
mbedtls_free(local_output.buffer);
local_output.original = NULL;
local_output.buffer = NULL;
local_output.length = 0;
mbedtls_free(output);
output = NULL;
}
/* END_CASE */
/* BEGIN_CASE */
void local_output_free(int output_len, int original_is_null,
psa_status_t exp_status)
{
uint8_t *output = NULL;
uint8_t *buffer_copy_for_comparison = NULL;
psa_crypto_local_output_t local_output = PSA_CRYPTO_LOCAL_OUTPUT_INIT;
psa_status_t status;
if (!original_is_null) {
TEST_CALLOC(output, output_len);
}
TEST_CALLOC(buffer_copy_for_comparison, output_len);
TEST_CALLOC(local_output.buffer, output_len);
local_output.length = output_len;
local_output.original = output;
if (local_output.length != 0) {
fill_buffer_pattern(local_output.buffer, local_output.length);
memcpy(buffer_copy_for_comparison, local_output.buffer, local_output.length);
}
status = psa_crypto_local_output_free(&local_output);
TEST_EQUAL(status, exp_status);
if (exp_status == PSA_SUCCESS) {
MBEDTLS_TEST_MEMORY_UNPOISON(output, output_len);
TEST_ASSERT(local_output.buffer == NULL);
TEST_EQUAL(local_output.length, 0);
TEST_MEMORY_COMPARE(buffer_copy_for_comparison, output_len,
output, output_len);
}
exit:
mbedtls_free(output);
mbedtls_free(buffer_copy_for_comparison);
mbedtls_free(local_output.buffer);
local_output.length = 0;
}
/* END_CASE */
/* BEGIN_CASE */
void local_output_round_trip()
{
psa_crypto_local_output_t local_output;
uint8_t output[200];
uint8_t *buffer_copy_for_comparison = NULL;
psa_status_t status;
status = psa_crypto_local_output_alloc(output, sizeof(output), &local_output);
TEST_EQUAL(status, PSA_SUCCESS);
TEST_ASSERT(local_output.buffer != output);
/* Simulate the function generating output */
fill_buffer_pattern(local_output.buffer, local_output.length);
TEST_CALLOC(buffer_copy_for_comparison, local_output.length);
memcpy(buffer_copy_for_comparison, local_output.buffer, local_output.length);
TEST_EQUAL(psa_crypto_local_output_free(&local_output), PSA_SUCCESS);
TEST_ASSERT(local_output.buffer == NULL);
TEST_EQUAL(local_output.length, 0);
MBEDTLS_TEST_MEMORY_UNPOISON(output, sizeof(output));
/* Check that the buffer was correctly copied back */
TEST_MEMORY_COMPARE(output, sizeof(output),
buffer_copy_for_comparison, sizeof(output));
exit:
mbedtls_free(buffer_copy_for_comparison);
}
/* END_CASE */
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