cosmopolitan/third_party/mbedtls/getalertdescription.c
Justine Tunney 398f0c16fb Add SNI support to redbean and improve SSL perf
This change makes SSL virtual hosting possible. You can now load
multiple certificates for multiple domains and redbean will just
figure out which one to use, even if you only have 1 ip address.
You can also use a jumbo certificate that lists all your domains
in the the subject alternative names.

This change also makes performance improvements to MbedTLS. Here
are some benchmarks vs. cc1920749e

                                   BEFORE    AFTER   (microsecs)
suite_ssl.com                     2512881   191738 13.11x faster
suite_pkparse.com                   36291     3295 11.01x faster
suite_x509parse.com                854669   120293  7.10x faster
suite_pkwrite.com                    6549     1265  5.18x faster
suite_ecdsa.com                     53347    18778  2.84x faster
suite_pk.com                        49051    18717  2.62x faster
suite_ecdh.com                      19535     9502  2.06x faster
suite_shax.com                      15848     7965  1.99x faster
suite_rsa.com                      353257   184828  1.91x faster
suite_x509write.com                162646    85733  1.90x faster
suite_ecp.com                       20503    11050  1.86x faster
suite_hmac_drbg.no_reseed.com       19528    11417  1.71x faster
suite_hmac_drbg.nopr.com            12460     8010  1.56x faster
suite_mpi.com                      687124   442661  1.55x faster
suite_hmac_drbg.pr.com              11890     7752  1.53x faster

There aren't any special tricks to the performance imporvements.
It's mostly due to code cleanup, assembly and intel instructions
like mulx, adox, and adcx.
2021-07-23 13:56:13 -07:00

83 lines
4.2 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:4;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright The Mbed TLS Contributors │
│ │
│ Licensed under the Apache License, Version 2.0 (the "License"); │
│ you may not use this file except in compliance with the License. │
│ You may obtain a copy of the License at │
│ │
│ http://www.apache.org/licenses/LICENSE-2.0 │
│ │
│ Unless required by applicable law or agreed to in writing, software │
│ distributed under the License is distributed on an "AS IS" BASIS, │
│ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. │
│ See the License for the specific language governing permissions and │
│ limitations under the License. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/itoa.h"
#include "third_party/mbedtls/iana.h"
#include "third_party/mbedtls/ssl.h"
/**
* Returns SSL fatal alert description.
* @see RFC5246 §7.2
*/
const char *GetAlertDescription(unsigned char x) {
static char buf[21];
switch (x) {
case MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY: /* 0 */
return "close_notify";
case MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE: /* 10 */
return "unexpected_message";
case MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC: /* 20 */
return "bad_record_mac";
case MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED: /* 21 */
return "decryption_failed";
case MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW: /* 22 */
return "record_overflow";
case MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE: /* 30 */
return "decompression_failure";
case MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE: /* 40 */
return "handshake_failure";
case MBEDTLS_SSL_ALERT_MSG_NO_CERT: /* 41 */
return "no_cert";
case MBEDTLS_SSL_ALERT_MSG_BAD_CERT: /* 42 */
return "bad_cert";
case MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT: /* 43 */
return "unsupported_cert";
case MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED: /* 44 */
return "cert_revoked";
case MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED: /* 45 */
return "cert_expired";
case MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN: /* 46 */
return "cert_unknown";
case MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER: /* 47 */
return "illegal_parameter";
case MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA: /* 48 */
return "unknown_ca";
case MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED: /* 49 */
return "access_denied";
case MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR: /* 50 */
return "decode_error";
case MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR: /* 51 */
return "decrypt_error";
case MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION: /* 60 */
return "export_restriction";
case MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION: /* 70 */
return "protocol_version";
case MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY: /* 71 */
return "insufficient_security";
case MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR: /* 80 */
return "internal_error";
case MBEDTLS_SSL_ALERT_MSG_USER_CANCELED: /* 90 */
return "user_canceled";
case MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION: /* 100 */
return "no_renegotiation";
case MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT: /* 110 */
return "unsupported_extension";
default:
int64toarray_radix10(x, buf);
return buf;
}
}