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/* -*- c-basic-offset: 8 -*-
rdesktop: A Remote Desktop Protocol client.
Secure sockets abstraction layer
Copyright (C) Matthew Chapman 1999-2008
Copyright (C) Jay Sorg 2006-2008
Copyright 2017 Henrik Andersson <hean01@cendio.se> for Cendio AB
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _RDSSL_H
#define _RDSSL_H
#include <openssl/rc4.h>
#include <openssl/md5.h>
#include <openssl/sha.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/x509v3.h>
#include <openssl/hmac.h>
#if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x0090800f)
#define D2I_X509_CONST const
#else
#define D2I_X509_CONST
#endif
#define RDSSL_RC4 RC4_KEY
#define RDSSL_SHA1 SHA_CTX
#define RDSSL_MD5 MD5_CTX
#define RDSSL_CERT X509
#define RDSSL_RKEY RSA
void rdssl_sha1_init(RDSSL_SHA1 * sha1);
void rdssl_sha1_update(RDSSL_SHA1 * sha1, uint8 * data, uint32 len);
void rdssl_sha1_final(RDSSL_SHA1 * sha1, uint8 * out_data);
void rdssl_md5_init(RDSSL_MD5 * md5);
void rdssl_md5_update(RDSSL_MD5 * md5, uint8 * data, uint32 len);
void rdssl_md5_final(RDSSL_MD5 * md5, uint8 * out_data);
void rdssl_rc4_set_key(RDSSL_RC4 * rc4, uint8 * key, uint32 len);
void rdssl_rc4_crypt(RDSSL_RC4 * rc4, uint8 * in_data, uint8 * out_data, uint32 len);
void rdssl_rsa_encrypt(uint8 * out, uint8 * in, int len, uint32 modulus_size, uint8 * modulus,
uint8 * exponent);
RDSSL_CERT *rdssl_cert_read(uint8 * data, uint32 len);
void rdssl_cert_free(RDSSL_CERT * cert);
RDSSL_RKEY *rdssl_cert_to_rkey(RDSSL_CERT * cert, uint32 * key_len);
RD_BOOL rdssl_certs_ok(RDSSL_CERT * server_cert, RDSSL_CERT * cacert);
int rdssl_cert_print_fp(FILE * fp, RDSSL_CERT * cert);
void rdssl_rkey_free(RDSSL_RKEY * rkey);
int rdssl_rkey_get_exp_mod(RDSSL_RKEY * rkey, uint8 * exponent, uint32 max_exp_len, uint8 * modulus,
uint32 max_mod_len);
RD_BOOL rdssl_sig_ok(uint8 * exponent, uint32 exp_len, uint8 * modulus, uint32 mod_len,
uint8 * signature, uint32 sig_len);
void rdssl_hmac_md5(const void *key, int key_len,
const unsigned char *msg, int msg_len, unsigned char *md);
void rdssl_log_ssl_errors(const char *prefix);
#endif
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