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feat(hal/ecdsa): Add HAL API for operation successful check

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This commit is contained in:
harshal.patil
2024-03-28 17:51:27 +05:30
parent dd8080e164
commit b5347ef02b
4 changed files with 32 additions and 12 deletions
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11
components/mbedtls/port/ecdsa/ecdsa_alt.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -135,6 +135,8 @@ static int esp_ecdsa_sign(mbedtls_ecp_group *grp, mbedtls_mpi* r, mbedtls_mpi* s
esp_ecdsa_acquire_hardware();
bool process_again = false;
do {
ecdsa_hal_config_t conf = {
.mode = ECDSA_MODE_SIGN_GEN,
@@ -144,7 +146,12 @@ static int esp_ecdsa_sign(mbedtls_ecp_group *grp, mbedtls_mpi* r, mbedtls_mpi* s
};
ecdsa_hal_gen_signature(&conf, sha_le, r_le, s_le, len);
} while (!memcmp(r_le, zeroes, len) || !memcmp(s_le, zeroes, len));
process_again = !ecdsa_hal_get_operation_result()
|| !memcmp(r_le, zeroes, len)
|| !memcmp(s_le, zeroes, len);
} while (process_again);
esp_ecdsa_release_hardware();