FreeRDP/libfreerdp-core/crypto.c

93 lines
2.2 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Cryptographic Abstraction Layer
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 "crypto.h"
CryptoSha1 crypto_sha1_init(void)
{
CryptoSha1 sha1 = xmalloc(sizeof(*sha1));
SHA1_Init(&sha1->sha_ctx);
return sha1;
}
void crypto_sha1_update(CryptoSha1 sha1, uint8 * data, uint32 length)
{
SHA1_Update(&sha1->sha_ctx, data, length);
}
void crypto_sha1_final(CryptoSha1 sha1, uint8 * out_data)
{
SHA1_Final(out_data, &sha1->sha_ctx);
xfree(sha1);
}
CryptoMd5 crypto_md5_init(void)
{
CryptoMd5 md5 = xmalloc(sizeof(*md5));
MD5_Init(&md5->md5_ctx);
return md5;
}
void crypto_md5_update(CryptoMd5 md5, uint8 * data, uint32 length)
{
MD5_Update(&md5->md5_ctx, data, length);
}
void crypto_md5_final(CryptoMd5 md5, uint8 * out_data)
{
MD5_Final(out_data, &md5->md5_ctx);
xfree(md5);
}
CryptoRc4 crypto_rc4_init(uint8 * key, uint32 length)
{
CryptoRc4 rc4 = xmalloc(sizeof(*rc4));
RC4_set_key(&rc4->rc4_key, length, key);
return rc4;
}
void crypto_rc4(CryptoRc4 rc4, uint32 length, uint8 * in_data, uint8 * out_data)
{
RC4(&rc4->rc4_key, length, in_data, out_data);
}
void crypto_rc4_free(CryptoRc4 rc4)
{
xfree(rc4);
}
CryptoCert crypto_cert_read(uint8 * data, uint32 length)
{
CryptoCert cert = xmalloc(sizeof(*cert));
/* this will move the data pointer but we don't care, we don't use it again */
cert->px509 = d2i_X509(NULL, (D2I_X509_CONST unsigned char **) &data, length);
return cert;
}
void crypto_cert_free(CryptoCert cert)
{
X509_free(cert->px509);
xfree(cert);
}
boolean crypto_cert_verify(CryptoCert server_cert, CryptoCert cacert)
{
return True; /* FIXME: do the actual verification */
}