1 /* -*- c-basic-offset: 8 -*- 2 rdesktop: A Remote Desktop Protocol client. 3 Secure sockets abstraction layer 4 Copyright (C) Matthew Chapman 1999-2008 5 Copyright (C) Jay Sorg 2006-2008 6 Copyright 2017 Henrik Andersson <hean01@cendio.se> for Cendio AB 7 Copyright 2017 Alexander Zakharov <uglym8@gmail.com> 8 9 This program is free software: you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation, either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. 21 */ 22 23 #ifndef _RDSSL_H 24 #define _RDSSL_H 25 26 #include <nettle/md5.h> 27 #include <nettle/sha1.h> 28 #include <nettle/arcfour.h> 29 #include <nettle/hmac.h> 30 #include <nettle/rsa.h> 31 32 #include <gnutls/x509.h> 33 34 #define RDSSL_RC4 struct arcfour_ctx 35 #define RDSSL_SHA1 struct sha1_ctx 36 #define RDSSL_MD5 struct md5_ctx 37 #define RDSSL_CERT gnutls_x509_crt_t 38 #define RDSSL_RKEY struct rsa_public_key 39 40 void rdssl_sha1_init(RDSSL_SHA1 * sha1); 41 void rdssl_sha1_update(RDSSL_SHA1 * sha1, uint8 * data, uint32 len); 42 void rdssl_sha1_final(RDSSL_SHA1 * sha1, uint8 * out_data); 43 void rdssl_md5_init(RDSSL_MD5 * md5); 44 void rdssl_md5_update(RDSSL_MD5 * md5, uint8 * data, uint32 len); 45 void rdssl_md5_final(RDSSL_MD5 * md5, uint8 * out_data); 46 void rdssl_rc4_set_key(RDSSL_RC4 * rc4, uint8 * key, uint32 len); 47 void rdssl_rc4_crypt(RDSSL_RC4 * rc4, uint8 * in_data, uint8 * out_data, uint32 len); 48 void rdssl_rsa_encrypt(uint8 * out, uint8 * in, int len, uint32 modulus_size, uint8 * modulus, 49 uint8 * exponent); 50 RDSSL_CERT *rdssl_cert_read(uint8 * data, uint32 len); 51 void rdssl_cert_free(RDSSL_CERT * cert); 52 RDSSL_RKEY *rdssl_cert_to_rkey(RDSSL_CERT * cert, uint32 * key_len); 53 RD_BOOL rdssl_certs_ok(RDSSL_CERT * server_cert, RDSSL_CERT * cacert); 54 int rdssl_cert_print_fp(FILE * fp, RDSSL_CERT * cert); 55 void rdssl_rkey_free(RDSSL_RKEY * rkey); 56 int rdssl_rkey_get_exp_mod(RDSSL_RKEY * rkey, uint8 * exponent, uint32 max_exp_len, uint8 * modulus, 57 uint32 max_mod_len); 58 RD_BOOL rdssl_sig_ok(uint8 * exponent, uint32 exp_len, uint8 * modulus, uint32 mod_len, 59 uint8 * signature, uint32 sig_len); 60 61 void rdssl_hmac_md5(const void *key, int key_len, 62 const unsigned char *msg, int msg_len, unsigned char *md); 63 #endif 64