mbedtls/tests/suites/test_suite_psa_crypto_util.function

/* BEGIN_HEADER */
#include <test/helpers.h>
#include <mbedtls/psa_util.h>

enum  {
    ECDSA_RAW_TO_DER = 0,
    ECDSA_DER_TO_RAW,
};
/* END_HEADER */

/* BEGIN_CASE depends_on:MBEDTLS_ASN1_WRITE_C:MBEDTLS_ASN1_PARSE_C */
void ecdsa_raw_to_der(int direction, int key_bits, data_t *input, data_t *exp_result, int exp_ret)
{
    unsigned char *tmp_buf = NULL;
    size_t tmp_buf_len = exp_result->len;
    size_t ret_len;

    TEST_CALLOC(tmp_buf, tmp_buf_len);

    if (direction == ECDSA_RAW_TO_DER) {
        TEST_EQUAL(mbedtls_ecdsa_raw_to_der(input->x, input->len,
                                            tmp_buf, tmp_buf_len, &ret_len,
                                            key_bits), exp_ret);
    } else {
        TEST_EQUAL(mbedtls_ecdsa_der_to_raw(input->x, input->len,
                                            tmp_buf, tmp_buf_len, &ret_len,
                                            key_bits), exp_ret);
    }

    if (exp_ret == 0) {
        ASSERT_COMPARE(exp_result->x, exp_result->len, tmp_buf, ret_len);
    }

exit:
    mbedtls_free(tmp_buf);
}
/* END_CASE */