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https://github.com/yuzu-mirror/mbedtls.git
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954ef4bbd5
Allow the function to support DER buffers than what it is nominally required by the provided coordinates. In other words let's ignore padding zeros in the raw number. Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* BEGIN_HEADER */
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#include <test/helpers.h>
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#include <mbedtls/psa_util.h>
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/* END_HEADER */
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/* BEGIN_CASE depends_on:MBEDTLS_PSA_UTIL_HAVE_ECDSA */
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void ecdsa_raw_to_der(int key_bits, data_t *input, data_t *exp_result, int exp_ret)
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{
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unsigned char *tmp_buf = NULL;
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size_t tmp_buf_len = exp_result->len;
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size_t ret_len;
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TEST_CALLOC(tmp_buf, tmp_buf_len);
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TEST_EQUAL(mbedtls_ecdsa_raw_to_der(key_bits, input->x, input->len,
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tmp_buf, tmp_buf_len, &ret_len), exp_ret);
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if (exp_ret == 0) {
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ASSERT_COMPARE(exp_result->x, exp_result->len, tmp_buf, ret_len);
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}
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exit:
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mbedtls_free(tmp_buf);
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_PSA_UTIL_HAVE_ECDSA */
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void ecdsa_raw_to_der_incremental(int key_bits, data_t *input, data_t *exp_result)
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{
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unsigned char *tmp_buf = NULL;
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size_t tmp_buf_len = exp_result->len;
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size_t ret_len;
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size_t i;
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/* Test with an output buffer smaller than required (expexted to fail). */
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for (i = 1; i < tmp_buf_len; i++) {
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TEST_CALLOC(tmp_buf, i);
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TEST_ASSERT(mbedtls_ecdsa_raw_to_der(key_bits, input->x, input->len,
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tmp_buf, i, &ret_len) != 0);
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mbedtls_free(tmp_buf);
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tmp_buf = NULL;
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}
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/* Test with an output buffer larger/equal than required (expexted to
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* succeed). */
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for (i = tmp_buf_len; i < (2 * tmp_buf_len); i++) {
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TEST_CALLOC(tmp_buf, i);
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TEST_ASSERT(mbedtls_ecdsa_raw_to_der(key_bits, input->x, input->len,
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tmp_buf, i, &ret_len) == 0);
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mbedtls_free(tmp_buf);
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tmp_buf = NULL;
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}
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exit:
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mbedtls_free(tmp_buf);
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_PSA_UTIL_HAVE_ECDSA */
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void ecdsa_der_to_raw(int key_bits, data_t *input, data_t *exp_result, int exp_ret)
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{
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unsigned char *tmp_buf = NULL;
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size_t tmp_buf_len = exp_result->len;
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size_t ret_len;
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TEST_CALLOC(tmp_buf, tmp_buf_len);
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TEST_EQUAL(mbedtls_ecdsa_der_to_raw(key_bits, input->x, input->len,
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tmp_buf, tmp_buf_len, &ret_len), exp_ret);
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if (exp_ret == 0) {
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ASSERT_COMPARE(exp_result->x, exp_result->len, tmp_buf, ret_len);
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}
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exit:
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mbedtls_free(tmp_buf);
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}
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/* END_CASE */
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