libwebsockets/lib/tls/openssl/lws-gencrypto.c
Andy Green d7f0521aeb private.h: rename to contain dir
Having unique private header names is a requirement of a particular
platform build system it's desirable to work with
2019-08-15 10:49:52 +01:00

90 lines
2.3 KiB
C

/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* lws-gencrypto openssl-specific common code
*/
#include "private-lib-core.h"
#include "private-lib-tls-openssl.h"
/*
* Care: many openssl apis return 1 for success. These are translated to the
* lws convention of 0 for success.
*/
int
lws_gencrypto_openssl_hash_to_NID(enum lws_genhash_types hash_type)
{
int h = -1;
switch (hash_type) {
case LWS_GENHASH_TYPE_UNKNOWN:
break;
case LWS_GENHASH_TYPE_MD5:
h = NID_md5;
break;
case LWS_GENHASH_TYPE_SHA1:
h = NID_sha1;
break;
case LWS_GENHASH_TYPE_SHA256:
h = NID_sha256;
break;
case LWS_GENHASH_TYPE_SHA384:
h = NID_sha384;
break;
case LWS_GENHASH_TYPE_SHA512:
h = NID_sha512;
break;
}
return h;
}
const EVP_MD *
lws_gencrypto_openssl_hash_to_EVP_MD(enum lws_genhash_types hash_type)
{
const EVP_MD *h = NULL;
switch (hash_type) {
case LWS_GENHASH_TYPE_UNKNOWN:
break;
case LWS_GENHASH_TYPE_MD5:
h = EVP_md5();
break;
case LWS_GENHASH_TYPE_SHA1:
h = EVP_sha1();
break;
case LWS_GENHASH_TYPE_SHA256:
h = EVP_sha256();
break;
case LWS_GENHASH_TYPE_SHA384:
h = EVP_sha384();
break;
case LWS_GENHASH_TYPE_SHA512:
h = EVP_sha512();
break;
}
return h;
}