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1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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6<title>synacrypt: Class TSynaBlockCipher</title>
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8</head>
9<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#800080" alink="#FF0000">
10<a name="TSynaBlockCipher"></a><h1 class="cio">Class TSynaBlockCipher</h1>
11<table class="sections">
12<tr>
13<td><a class="section" href="#@Description">Description</a></td><td><a class="section" href="#@Hierarchy">Hierarchy</a></td><td>Fields</td><td><a class="section" href="#@Methods">Methods</a></td><td>Properties</td></tr></table>
14<a name="@Description"></a><h2 class="unit">Unit</h2>
15<p class="unitlink">
16<a href="synacrypt.html">synacrypt</a></p>
17<h2 class="declaration">Declaration</h2>
18<p class="declaration">
19<code>type TSynaBlockCipher = class(TObject)</code></p>
20<h2 class="description">Description</h2>
21<p>
22Implementation of common routines block ciphers (dafault size is 64-bits)</p>
23<p>
24
25
26<p>Do not use this class directly, use descendants only!</p>
27<a name="@Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
28<ul class="hierarchy"><li class="ancestor">TObject</li>
29<li class="thisitem">TSynaBlockCipher</li></ul><h2 class="overview">Overview</h2>
30<a name="@Methods"></a><h3 class="summary">Methods</h3>
31<table class="summary">
32<tr class="list">
33<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
34<td class="itemcode"><code>procedure <b><a href="synacrypt.TSynaBlockCipher.html#SetIV">SetIV</a></b>(const Value: AnsiString); virtual;</code></td>
35</tr>
36<tr class="list2">
37<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
38<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#GetIV">GetIV</a></b>: AnsiString; virtual;</code></td>
39</tr>
40<tr class="list">
41<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
42<td class="itemcode"><code>procedure <b><a href="synacrypt.TSynaBlockCipher.html#Reset">Reset</a></b>; virtual;</code></td>
43</tr>
44<tr class="list2">
45<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
46<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#EncryptECB">EncryptECB</a></b>(const InData: AnsiString): AnsiString; virtual;</code></td>
47</tr>
48<tr class="list">
49<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
50<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#DecryptECB">DecryptECB</a></b>(const InData: AnsiString): AnsiString; virtual;</code></td>
51</tr>
52<tr class="list2">
53<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
54<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#EncryptCBC">EncryptCBC</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
55</tr>
56<tr class="list">
57<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
58<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#DecryptCBC">DecryptCBC</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
59</tr>
60<tr class="list2">
61<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
62<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#EncryptCFB8bit">EncryptCFB8bit</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
63</tr>
64<tr class="list">
65<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
66<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#DecryptCFB8bit">DecryptCFB8bit</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
67</tr>
68<tr class="list2">
69<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
70<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#EncryptCFBblock">EncryptCFBblock</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
71</tr>
72<tr class="list">
73<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
74<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#DecryptCFBblock">DecryptCFBblock</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
75</tr>
76<tr class="list2">
77<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
78<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#EncryptOFB">EncryptOFB</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
79</tr>
80<tr class="list">
81<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
82<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#DecryptOFB">DecryptOFB</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
83</tr>
84<tr class="list2">
85<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
86<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#EncryptCTR">EncryptCTR</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
87</tr>
88<tr class="list">
89<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
90<td class="itemcode"><code>function <b><a href="synacrypt.TSynaBlockCipher.html#DecryptCTR">DecryptCTR</a></b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
91</tr>
92<tr class="list2">
93<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
94<td class="itemcode"><code>constructor <b><a href="synacrypt.TSynaBlockCipher.html#Create">Create</a></b>(Key: AnsiString);</code></td>
95</tr>
96</table>
97<h2 class="description">Description</h2>
98<h3 class="detail">Methods</h3>
99<table class="detail">
100<tr class="list">
101<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
102<td class="itemcode"><a name="SetIV"></a><code>procedure <b>SetIV</b>(const Value: AnsiString); virtual;</code></td>
103</tr>
104</table>
105<p>
106Sets the IV to Value and performs a reset</p>
107<table class="detail">
108<tr class="list">
109<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
110<td class="itemcode"><a name="GetIV"></a><code>function <b>GetIV</b>: AnsiString; virtual;</code></td>
111</tr>
112</table>
113<p>
114Returns the current chaining information, not the actual IV</p>
115<table class="detail">
116<tr class="list">
117<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
118<td class="itemcode"><a name="Reset"></a><code>procedure <b>Reset</b>; virtual;</code></td>
119</tr>
120</table>
121<p>
122Reset any stored chaining information</p>
123<table class="detail">
124<tr class="list">
125<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
126<td class="itemcode"><a name="EncryptECB"></a><code>function <b>EncryptECB</b>(const InData: AnsiString): AnsiString; virtual;</code></td>
127</tr>
128</table>
129<p>
130Encrypt a 64-bit block of data using the ECB method of encryption</p>
131<table class="detail">
132<tr class="list">
133<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
134<td class="itemcode"><a name="DecryptECB"></a><code>function <b>DecryptECB</b>(const InData: AnsiString): AnsiString; virtual;</code></td>
135</tr>
136</table>
137<p>
138Decrypt a 64-bit block of data using the ECB method of decryption</p>
139<table class="detail">
140<tr class="list">
141<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
142<td class="itemcode"><a name="EncryptCBC"></a><code>function <b>EncryptCBC</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
143</tr>
144</table>
145<p>
146Encrypt data using the CBC method of encryption</p>
147<table class="detail">
148<tr class="list">
149<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
150<td class="itemcode"><a name="DecryptCBC"></a><code>function <b>DecryptCBC</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
151</tr>
152</table>
153<p>
154Decrypt data using the CBC method of decryption</p>
155<table class="detail">
156<tr class="list">
157<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
158<td class="itemcode"><a name="EncryptCFB8bit"></a><code>function <b>EncryptCFB8bit</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
159</tr>
160</table>
161<p>
162Encrypt data using the CFB (8 bit) method of encryption</p>
163<table class="detail">
164<tr class="list">
165<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
166<td class="itemcode"><a name="DecryptCFB8bit"></a><code>function <b>DecryptCFB8bit</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
167</tr>
168</table>
169<p>
170Decrypt data using the CFB (8 bit) method of decryption</p>
171<table class="detail">
172<tr class="list">
173<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
174<td class="itemcode"><a name="EncryptCFBblock"></a><code>function <b>EncryptCFBblock</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
175</tr>
176</table>
177<p>
178Encrypt data using the CFB (block) method of encryption</p>
179<table class="detail">
180<tr class="list">
181<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
182<td class="itemcode"><a name="DecryptCFBblock"></a><code>function <b>DecryptCFBblock</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
183</tr>
184</table>
185<p>
186Decrypt data using the CFB (block) method of decryption</p>
187<table class="detail">
188<tr class="list">
189<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
190<td class="itemcode"><a name="EncryptOFB"></a><code>function <b>EncryptOFB</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
191</tr>
192</table>
193<p>
194Encrypt data using the OFB method of encryption</p>
195<table class="detail">
196<tr class="list">
197<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
198<td class="itemcode"><a name="DecryptOFB"></a><code>function <b>DecryptOFB</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
199</tr>
200</table>
201<p>
202Decrypt data using the OFB method of decryption</p>
203<table class="detail">
204<tr class="list">
205<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
206<td class="itemcode"><a name="EncryptCTR"></a><code>function <b>EncryptCTR</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
207</tr>
208</table>
209<p>
210Encrypt data using the CTR method of encryption</p>
211<table class="detail">
212<tr class="list">
213<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
214<td class="itemcode"><a name="DecryptCTR"></a><code>function <b>DecryptCTR</b>(const Indata: AnsiString): AnsiString; virtual;</code></td>
215</tr>
216</table>
217<p>
218Decrypt data using the CTR method of decryption</p>
219<table class="detail">
220<tr class="list">
221<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
222<td class="itemcode"><a name="Create"></a><code>constructor <b>Create</b>(Key: AnsiString);</code></td>
223</tr>
224</table>
225<p>
226Create a encryptor/decryptor instance and initialize it by the Key.</p>
227<hr noshade size="1"><span class="appinfo"><em>Generated by <a target="_parent" href="http://pasdoc.sourceforge.net/">PasDoc 0.9.0</a> on 2012-04-23 21:38:52</em>
228</span>
229</body></html>
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