/* * Verify a signature with options */ int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options, mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg, const unsigned char *hash, size_t hash_len, const unsigned char *sig, size_t sig_len ) { if( ctx == NULL || ctx->pk_info == NULL ) return( MBEDTLS_ERR_PK_BAD_INPUT_DATA ); if( ! mbedtls_pk_can_do( ctx, type ) ) return( MBEDTLS_ERR_PK_TYPE_MISMATCH ); if( type == MBEDTLS_PK_RSASSA_PSS ) { #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PKCS1_V21) int ret; const mbedtls_pk_rsassa_pss_options *pss_opts; if( options == NULL ) return( MBEDTLS_ERR_PK_BAD_INPUT_DATA ); pss_opts = (const mbedtls_pk_rsassa_pss_options *) options; if( sig_len < mbedtls_pk_get_len( ctx ) ) return( MBEDTLS_ERR_RSA_VERIFY_FAILED ); ret = mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_pk_rsa( *ctx ), NULL, NULL, MBEDTLS_RSA_PUBLIC, md_alg, (unsigned int) hash_len, hash, pss_opts->mgf1_hash_id, pss_opts->expected_salt_len, sig ); if( ret != 0 ) return( ret ); if( sig_len > mbedtls_pk_get_len( ctx ) ) return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH ); return( 0 ); #else return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ); #endif } /* General case: no options */ if( options != NULL ) return( MBEDTLS_ERR_PK_BAD_INPUT_DATA ); return( mbedtls_pk_verify( ctx, md_alg, hash, hash_len, sig, sig_len ) ); }
result_t PKey::exportPem(std::string &retVal) { result_t hr; bool priv; hr = isPrivate(priv); if (hr < 0) return hr; int32_t ret; std::string buf; buf.resize(mbedtls_pk_get_len(&m_key) * 8 + 128); if (priv) ret = mbedtls_pk_write_key_pem(&m_key, (unsigned char *)&buf[0], buf.length()); else ret = mbedtls_pk_write_pubkey_pem(&m_key, (unsigned char *)&buf[0], buf.length()); if (ret != 0) return CHECK_ERROR(_ssl::setError(ret)); buf.resize(qstrlen(buf.c_str())); retVal = buf; return 0; }
size_t key_length(const context& d) noexcept { return (size_t)mbedtls_pk_get_len(&d.pk_); }