Initial import of tork 0.33

1 files changed, 183 insertions, 0 deletions

diff --git a/src/crypto.h b/src/crypto.h
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+/* $Id: crypto.h,v 1.9 2008/07/31 19:56:26 hoganrobert Exp $ */
+/*   Copyright (C) 2006 - 2008 Robert Hogan                                *
+ *   [email protected]                                                *
+ *                                                                         *
+ *   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 2 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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
+ *
+ *  Most of this file is derived from Tor and Vidalia.
+ *
+ *  The licences for both follow:
+ *
+ *  Vidalia is distributed under the following license:
+ *
+ *  Copyright (C) 2007,  Matt Edman, Justin Hipple
+ *
+ *  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 2
+ *  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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ * 
+ *                     *       *       *
+ * 
+ *  Pseudorandom number generation support in this file is derived from
+ *  Tor's crypto.[ch]. Tor is distributed under this license.
+ * 
+ *    Copyright (c) 2001-2004, Roger Dingledine
+ *    Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions are
+ *   met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following disclaimer
+ *       in the documentation and/or other materials provided with the
+ *       distribution.
+ * 
+ *     * Neither the names of the copyright owners nor the names of its
+ *       contributors may be used to endorse or promote products derived from
+ *       this software without specific prior written permission.
+ *
+ *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ ****************************************************************/
+
+
+/**
+ * \file crypto.h
+ *
+ * \brief Headers for crypto.c
+ **/
+
+#define BASE64_DIGEST_LEN 27
+#define DIGEST_LEN 20
+#define HEX_DIGEST_LEN 40
+#define SIZE_T_CEILING (sizeof(char)<<(sizeof(size_t)*8 - 1))
+
+#define S2K_SPECIFIER_LEN 9
+
+#include <qmap.h>
+#include <qstring.h>
+
+typedef struct crypto_digest_env_t crypto_digest_env_t;
+
+
+int read_all(int fd, char *buf, size_t count, int isSocket);
+int base64_decode(char *dest, size_t destlen, const char *src, size_t srclen);
+int digest_from_base64(char *digest, const char *d64);
+void base16_encode(char *dest, size_t destlen, const char *src, size_t srclen);
+int digest_to_base64(char *d64, const char *digest);
+int base64_encode(char *dest, size_t destlen, const char *src, size_t srclen);
+int base16_decode(char *dest, size_t destlen, const char *src, size_t srclen);
+
+QString getFPDigestFromFP(const QString &fp);
+QString getNickNameFromFPDigest(const QString &fpdigest);
+QString getNickNameFromFP(const QString &fp);
+QString getFPFromNickName(const QString &nickname);
+QString getFPFromFPDigest(const QString &fp);
+void storeServer(const QString &server,const QString &fp_identity);
+void clearServers();
+QString fp_identity(const QString &server);
+QString server(const QString &fp_identity);
+QString hashPassword(const char* secret);
+
+QString crypto_rand_string(int len);
+
+/* random numbers */
+int crypto_seed_rng(void);
+int crypto_rand(char *to, size_t n);
+int crypto_rand_int(unsigned int max);
+
+
+
+/*
+cdecode.h - c header for a base64 decoding algorithm
+
+This is part of the libb64 project, and has been placed in the public domain.
+For details, see http://sourceforge.net/projects/libb64
+*/
+
+
+typedef enum
+{
+	step_a, step_b, step_c, step_d
+} base64_decodestep;
+
+typedef struct
+{
+	base64_decodestep step;
+	char plainchar;
+} base64_decodestate;
+
+void base64_init_decodestate(base64_decodestate* state_in);
+
+int base64_decode_value(char value_in);
+
+int base64_decode_block(const char* code_in, const int length_in, char* plaintext_out, base64_decodestate* state_in);
+
+
+/*
+cencode.h - c header for a base64 encoding algorithm
+
+This is part of the libb64 project, and has been placed in the public domain.
+For details, see http://sourceforge.net/projects/libb64
+*/
+
+
+typedef enum
+{
+	step_A, step_B, step_C
+} base64_encodestep;
+
+typedef struct
+{
+	base64_encodestep step;
+	char result;
+	int stepcount;
+} base64_encodestate;
+
+void base64_init_encodestate(base64_encodestate* state_in);
+
+char base64_encode_value(char value_in);
+
+int base64_encode_block(const char* plaintext_in, int length_in, char* code_out, base64_encodestate* state_in);
+
+int base64_encode_blockend(char* code_out, base64_encodestate* state_in);
+
+
+