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| author | danglassey <danglassey> | 2002-08-14 09:57:17 +0000 |
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| committer | danglassey <danglassey> | 2002-08-14 09:57:17 +0000 |
| commit | c9458897ebbb739d8db83c80e06512d8a612f743 (patch) | |
| tree | f8c5381045887e34388cc6b26cfccc254bf766dc /doc/api-documentation/html/sapphire_8h-source.html | |
| download | sword-sf-cvs-c9458897ebbb739d8db83c80e06512d8a612f743.tar.gz | |
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diff --git a/doc/api-documentation/html/sapphire_8h-source.html b/doc/api-documentation/html/sapphire_8h-source.html new file mode 100644 index 0000000..f36c275 --- /dev/null +++ b/doc/api-documentation/html/sapphire_8h-source.html @@ -0,0 +1,67 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> +<title>sapphire.h Source File</title> +<link href="doxygen.css" rel="stylesheet" type="text/css"> +</head><body> +<!-- Generated by Doxygen 1.2.15 --> +<center> +<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </center> +<hr><h1>sapphire.h</h1><div class="fragment"><pre>00001 <font class="comment">/* sapphire.h -- Interface for the Saphire II stream cipher.</font> +00002 <font class="comment"></font> +00003 <font class="comment"> Dedicated to the Public Domain the author and inventor</font> +00004 <font class="comment"> (Michael Paul Johnson). This code comes with no warranty.</font> +00005 <font class="comment"> Use it at your own risk.</font> +00006 <font class="comment"> Ported from the Pascal implementation of the Sapphire Stream</font> +00007 <font class="comment"> Cipher 9 December 1994.</font> +00008 <font class="comment"> Added hash-specific functions 27 December 1994.</font> +00009 <font class="comment"> Made index variable initialization key-dependent,</font> +00010 <font class="comment"> made the output function more resistant to cryptanalysis,</font> +00011 <font class="comment"> and renamed to Sapphire II Stream Cipher 2 January 1995.</font> +00012 <font class="comment"></font> +00013 <font class="comment"> unsigned char is assumed to be 8 bits. If it is not, the</font> +00014 <font class="comment"> results of assignments need to be reduced to 8 bits with</font> +00015 <font class="comment"> & 0xFF or % 0x100, whichever is faster.</font> +00016 <font class="comment">*/</font> +00017 +00018 <font class="preprocessor">#ifndef NULL</font> +00019 <font class="preprocessor"></font><font class="preprocessor">#define NULL 0</font> +00020 <font class="preprocessor"></font><font class="preprocessor">#endif </font><font class="comment">/* */</font> +00021 <font class="keyword">class </font>sapphire +00022 { +00023 +00024 <font class="comment">// These variables comprise the state of the state machine.</font> +00025 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> cards[256]; <font class="comment">// A permutation of 0-255.</font> +00026 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> rotor, <font class="comment">// Index that rotates smoothly</font> +00027 ratchet, <font class="comment">// Index that moves erratically</font> +00028 avalanche, <font class="comment">// Index heavily data dependent</font> +00029 last_plain, <font class="comment">// Last plain text byte</font> +00030 last_cipher; <font class="comment">// Last cipher text byte</font> +00031 +00032 <font class="comment">// This function is used by initialize(), which is called by the</font> +00033 <font class="comment">// constructor.</font> +00034 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> keyrand (<font class="keywordtype">int</font> limit, <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *user_key, +00035 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> keysize, <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *rsum, +00036 <font class="keywordtype">unsigned</font> *keypos); <font class="keyword">public</font>:sapphire (<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> +00037 *key = NULL, <font class="comment">// Calls initialize if a real</font> +00038 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> keysize = 0); <font class="comment">// key is provided. If none</font> +00039 <font class="comment">// is provided, call initialize</font> +00040 <font class="comment">// before encrypt or decrypt.</font> +00041 ~sapphire (); <font class="comment">// Destroy cipher state information.</font> +00042 <font class="keywordtype">void</font> initialize (<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *key, <font class="comment">// User key is used to set</font> +00043 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> keysize); <font class="comment">// up state information.</font> +00044 <font class="keywordtype">void</font> hash_init (<font class="keywordtype">void</font>); <font class="comment">// Set up default hash.</font> +00045 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> encrypt (<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> b = 0); <font class="comment">// Encrypt byte</font> +00046 <font class="comment">// or get a random byte.</font> +00047 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> decrypt (<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> b); <font class="comment">// Decrypt byte.</font> +00048 <font class="keywordtype">void</font> hash_final (<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *hash, <font class="comment">// Copy hash value to hash</font> +00049 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> hashlength = 20); <font class="comment">// Hash length (16-32)</font> +00050 <font class="keywordtype">void</font> burn (<font class="keywordtype">void</font>); <font class="comment">// Destroy cipher state information.</font> +00051 }; +00052 +00053 +</pre></div><hr><address align="right"><small>Generated on Thu Jun 20 22:13:00 2002 for The Sword Project by +<a href="http://www.doxygen.org/index.html"> +<img src="doxygen.png" alt="doxygen" align="middle" border=0 +width=110 height=53></a>1.2.15 </small></address> +</body> +</html> |