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feat(mbedtls/ecdsa): Wrapped ecdsa_write_signature to support deterministic ECDSA signatures

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harshal.patil
2024-03-28 17:54:20 +05:30
parent 70ef80d974
commit 84b6940ce4
1 changed files with 4 additions and 1 deletions
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5
components/mbedtls/port/ecdsa/ecdsa_alt.c
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@ -495,8 +495,11 @@ int __wrap_mbedtls_ecdsa_write_signature_restartable(mbedtls_ecdsa_context *ctx,
*/
if (ctx->MBEDTLS_PRIVATE(d).MBEDTLS_PRIVATE(s) == ECDSA_KEY_MAGIC) {
// Use hardware ECDSA peripheral
#if defined(SOC_ECDSA_SUPPORT_DETERMINISTIC_MODE) && defined(CONFIG_MBEDTLS_ECDSA_DETERMINISTIC)
MBEDTLS_MPI_CHK(esp_ecdsa_sign(&ctx->MBEDTLS_PRIVATE(grp), &r, &s, &ctx->MBEDTLS_PRIVATE(d), hash, hlen, ECDSA_K_TYPE_DETERMINISITIC));
#else
MBEDTLS_MPI_CHK(esp_ecdsa_sign(&ctx->MBEDTLS_PRIVATE(grp), &r, &s, &ctx->MBEDTLS_PRIVATE(d), hash, hlen, ECDSA_K_TYPE_TRNG));
#endif /* SOC_ECDSA_SUPPORT_DETERMINISTIC_MODE */
}
MBEDTLS_MPI_CHK(ecdsa_signature_to_asn1(&r, &s, sig, sig_size, slen));