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fix(mbedtls): set RSA padding only when DS peripheral is configured.

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This commit is contained in:
Ashish Sharma
2025-05-26 13:11:27 +05:30
committed by Mahavir Jain
parent 4e2647c618
commit 98ae8db06b
1 changed files with 9 additions and 10 deletions
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library/pk.c
+9 -10
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@@ -1344,15 +1344,15 @@ int mbedtls_pk_sign_ext(mbedtls_pk_type_t pk_type,
sig, sig_size, sig_len);
#else /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
mbedtls_rsa_alt_context *rsa_alt = ctx->pk_ctx;
mbedtls_rsa_context *rsa = (mbedtls_rsa_context *)rsa_alt->key;
mbedtls_rsa_set_padding(rsa, MBEDTLS_RSA_PKCS_V21, md_alg);
return mbedtls_pk_sign(ctx, md_alg, hash, hash_len,
sig, sig_size, sig_len, f_rng, p_rng);
#else
if (ctx->pk_info->type == MBEDTLS_PK_RSA_ALT) {
mbedtls_rsa_alt_context *rsa_alt = ctx->pk_ctx;
mbedtls_rsa_context *rsa = (mbedtls_rsa_context *)rsa_alt->key;
if (rsa != NULL) {
mbedtls_rsa_set_padding(rsa, MBEDTLS_RSA_PKCS_V21, md_alg);
return mbedtls_pk_sign(ctx, md_alg, hash, hash_len,
sig, sig_size, sig_len, f_rng, p_rng);
}
}
if (sig_size < mbedtls_pk_get_len(ctx)) {
return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
@@ -1370,7 +1370,6 @@ int mbedtls_pk_sign_ext(mbedtls_pk_type_t pk_type,
*sig_len = rsa_ctx->len;
}
return ret;
#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
#endif /* MBEDTLS_USE_PSA_CRYPTO */