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feat(component/mbedtls): Add support for RSASSA-PSS with RSA alt

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This commit is contained in:
Ashish Sharma
2025-04-11 15:38:17 +08:00
parent 601990b1d8
commit 1d34215adb
2 changed files with 16 additions and 1 deletions
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library/pk.c
+15
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@@ -1344,6 +1344,20 @@ 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)
if (pk_type == MBEDTLS_PK_RSASSA_PSS) {
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 {
return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
}
#else
if (sig_size < mbedtls_pk_get_len(ctx)) {
return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
}
@@ -1360,6 +1374,7 @@ 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 */
library/pk_wrap.c
+1 -1
View File
@@ -1278,7 +1278,7 @@ const mbedtls_pk_info_t mbedtls_ecdsa_info = {
static int rsa_alt_can_do(mbedtls_pk_type_t type)
{
return type == MBEDTLS_PK_RSA;
return (type == MBEDTLS_PK_RSA) || (type == MBEDTLS_PK_RSASSA_PSS);
}
static size_t rsa_alt_get_bitlen(mbedtls_pk_context *pk)