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feat(mbedtls): Integrate the ecdsa export public key feature in mbedtls

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This commit is contained in:
harshal.patil
2023-08-08 17:19:06 +05:30
parent cc32fbb302
commit 4c0dd8388b
3 changed files with 204 additions and 4 deletions
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52
components/mbedtls/test_apps/main/test_mbedtls_ecdsa.c
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@@ -1,6 +1,6 @@
/* mbedTLS Elliptic Curve Digital Signature performance tests
*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -16,6 +16,7 @@
#include <mbedtls/ecdsa.h>
#include <mbedtls/error.h>
#include "soc/soc_caps.h"
#include "test_utils.h"
#include "ccomp_timer.h"
#include "unity.h"
@@ -234,4 +235,53 @@ TEST_CASE("mbedtls ECDSA signature generation on SECP256R1", "[mbedtls][efuse_ke
test_ecdsa_sign(MBEDTLS_ECP_DP_SECP256R1, sha, ecdsa256_sign_pub_x, ecdsa256_sign_pub_y);
}
#ifdef SOC_ECDSA_SUPPORT_EXPORT_PUBKEY
void test_ecdsa_export_pubkey(mbedtls_ecp_group_id id, const uint8_t *pub_x, const uint8_t *pub_y)
{
uint8_t export_pub_x[32] = {0};
uint8_t export_pub_y[32] = {0};
int len = 0;
esp_ecdsa_pk_conf_t pk_conf = {
.grp_id = id,
.load_pubkey = true,
};
if (id == MBEDTLS_ECP_DP_SECP192R1) {
pk_conf.efuse_block = SECP192R1_EFUSE_BLOCK;
len = 24;
} else if (id == MBEDTLS_ECP_DP_SECP256R1) {
pk_conf.efuse_block = SECP256R1_EFUSE_BLOCK;
len = 32;
}
mbedtls_pk_context key_ctx;
int ret = esp_ecdsa_set_pk_context(&key_ctx, &pk_conf);
TEST_ASSERT_EQUAL(0, ret);
mbedtls_ecp_keypair *keypair = mbedtls_pk_ec(key_ctx);
mbedtls_mpi_write_binary(&(keypair->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X)), export_pub_x, len);
mbedtls_mpi_write_binary(&(keypair->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y)), export_pub_y, len);
TEST_ASSERT_EQUAL_HEX8_ARRAY(pub_x, export_pub_x, len);
TEST_ASSERT_EQUAL_HEX8_ARRAY(pub_y, export_pub_y, len);
mbedtls_ecdsa_free(keypair);
}
TEST_CASE("mbedtls ECDSA export public key on SECP192R1", "[mbedtls][efuse_key]")
{
test_ecdsa_export_pubkey(MBEDTLS_ECP_DP_SECP192R1, ecdsa192_sign_pub_x, ecdsa192_sign_pub_y);
}
TEST_CASE("mbedtls ECDSA export public key on SECP256R1", "[mbedtls][efuse_key]")
{
test_ecdsa_export_pubkey(MBEDTLS_ECP_DP_SECP256R1, ecdsa256_sign_pub_x, ecdsa256_sign_pub_y);
}
#endif /* SOC_ECDSA_SUPPORT_EXPORT_PUBKEY */
#endif /* CONFIG_MBEDTLS_HARDWARE_ECDSA_SIGN */