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87 </script> 88 89 </div> 90 91 <main class="container"> 92 <div class="magick-template"> 93<div class="magick-header"> 94<p class="text-center"><a href="cipher.html#AcquireAESInfo">AcquireAESInfo</a> • <a href="cipher.html#DestroyAESInfo">DestroyAESInfo</a> • <a href="cipher.html#EncipherAESBlock">EncipherAESBlock</a> • <a href="cipher.html#PasskeyDecipherImage">PasskeyDecipherImage</a> • <a href="cipher.html#PasskeyEncipherImage">PasskeyEncipherImage</a> • <a href="cipher.html#SetAESKey">SetAESKey</a> • <a href="cipher.html#PasskeyDecipherImage">PasskeyDecipherImage</a> • <a href="cipher.html#PasskeyEncipherImage">PasskeyEncipherImage</a></p> 95 96<h2><a href="../../api/MagickCore/cipher_8c.html" id="AcquireAESInfo">AcquireAESInfo</a></h2> 97 98<p>AcquireAESInfo() allocate the AESInfo structure.</p> 99 100<p>The format of the AcquireAESInfo method is:</p> 101 102<pre class="text"> 103AESInfo *AcquireAESInfo(void) 104</pre> 105 106<h2><a href="../../api/MagickCore/cipher_8c.html" id="DestroyAESInfo">DestroyAESInfo</a></h2> 107 108<p>DestroyAESInfo() zeros memory associated with the AESInfo structure.</p> 109 110<p>The format of the DestroyAESInfo method is:</p> 111 112<pre class="text"> 113AESInfo *DestroyAESInfo(AESInfo *aes_info) 114</pre> 115 116<p>A description of each parameter follows:</p> 117 118<dd> 119</dd> 120 121<dd> </dd> 122<dl class="dl-horizontal"> 123<dt>aes_info</dt> 124<dd>the cipher context. </dd> 125 126<dd> </dd> 127</dl> 128<h2><a href="../../api/MagickCore/cipher_8c.html" id="EncipherAESBlock">EncipherAESBlock</a></h2> 129 130<p>EncipherAESBlock() enciphers a single block of plaintext to produce a block of ciphertext.</p> 131 132<p>The format of the EncipherAESBlock method is:</p> 133 134<pre class="text"> 135void EncipherAES(AESInfo *aes_info,const unsigned char *plaintext, 136 unsigned char *ciphertext) 137</pre> 138 139<p>A description of each parameter follows:</p> 140 141<dd> 142</dd> 143 144<dd> </dd> 145<dl class="dl-horizontal"> 146<dt>aes_info</dt> 147<dd>the cipher context. </dd> 148 149<dd> </dd> 150<dt>plaintext</dt> 151<dd>the plain text. </dd> 152 153<dd> </dd> 154<dt>ciphertext</dt> 155<dd>the cipher text. </dd> 156 157<dd> </dd> 158</dl> 159<h2><a href="../../api/MagickCore/cipher_8c.html" id="PasskeyDecipherImage">PasskeyDecipherImage</a></h2> 160 161<p>PasskeyDecipherImage() converts cipher pixels to plain pixels.</p> 162 163<p>The format of the PasskeyDecipherImage method is:</p> 164 165<pre class="text"> 166MagickBooleanType PasskeyDecipherImage(Image *image, 167 const StringInfo *passkey,ExceptionInfo *exception) 168MagickBooleanType DecipherImage(Image *image,const char *passphrase, 169 ExceptionInfo *exception) 170</pre> 171 172<p>A description of each parameter follows:</p> 173 174<dd> 175</dd> 176 177<dd> </dd> 178<dl class="dl-horizontal"> 179<dt>image</dt> 180<dd>the image. </dd> 181 182<dd> </dd> 183<dt>passphrase</dt> 184<dd>decipher cipher pixels with this passphrase. </dd> 185 186<dd> </dd> 187<dt>passkey</dt> 188<dd>decrypt cipher pixels with this passkey. </dd> 189 190<dd> </dd> 191<dt>exception</dt> 192<dd>return any errors or warnings in this structure. </dd> 193 194<dd> </dd> 195</dl> 196<h2><a href="../../api/MagickCore/cipher_8c.html" id="PasskeyEncipherImage">PasskeyEncipherImage</a></h2> 197 198<p>PasskeyEncipherImage() converts pixels to cipher-pixels.</p> 199 200<p>The format of the PasskeyEncipherImage method is:</p> 201 202<pre class="text"> 203MagickBooleanType PasskeyEncipherImage(Image *image, 204 const StringInfo *passkey,ExceptionInfo *exception) 205MagickBooleanType EncipherImage(Image *image,const char *passphrase, 206 ExceptionInfo *exception) 207</pre> 208 209<p>A description of each parameter follows:</p> 210 211<dd> 212</dd> 213 214<dd> </dd> 215<dl class="dl-horizontal"> 216<dt>image</dt> 217<dd>the image. </dd> 218 219<dd> </dd> 220<dt>passphrase</dt> 221<dd>encipher pixels with this passphrase. </dd> 222 223<dd> </dd> 224<dt>passkey</dt> 225<dd>decrypt cipher pixels with this passkey. </dd> 226 227<dd> </dd> 228<dt>exception</dt> 229<dd>return any errors or warnings in this structure. </dd> 230 231<dd> </dd> 232</dl> 233<h2><a href="../../api/MagickCore/cipher_8c.html" id="SetAESKey">SetAESKey</a></h2> 234 235<p>SetAESKey() sets the key for the AES cipher. The key length is specified in bits. Valid values are 128, 192, or 256 requiring a key buffer length in bytes of 16, 24, and 32 respectively.</p> 236 237<p>The format of the SetAESKey method is:</p> 238 239<pre class="text"> 240SetAESKey(AESInfo *aes_info,const StringInfo *key) 241</pre> 242 243<p>A description of each parameter follows:</p> 244 245<dd> 246</dd> 247 248<dd> </dd> 249<dl class="dl-horizontal"> 250<dt>aes_info</dt> 251<dd>the cipher context. </dd> 252 253<dd> </dd> 254<dt>key</dt> 255<dd>the key. </dd> 256 257<dd> </dd> 258</dl> 259<h2><a href="../../api/MagickCore/cipher_8c.html" id="PasskeyDecipherImage">PasskeyDecipherImage</a></h2> 260 261<p>PasskeyDecipherImage() converts cipher pixels to plain pixels.</p> 262 263<p>The format of the PasskeyDecipherImage method is:</p> 264 265<pre class="text"> 266MagickBooleanType PasskeyDecipherImage(Image *image, 267 const StringInfo *passkey,ExceptionInfo *exception) 268MagickBooleanType DecipherImage(Image *image,const char *passphrase, 269 ExceptionInfo *exception) 270</pre> 271 272<p>A description of each parameter follows:</p> 273 274<dd> 275</dd> 276 277<dd> </dd> 278<dl class="dl-horizontal"> 279<dt>image</dt> 280<dd>the image. </dd> 281 282<dd> </dd> 283<dt>passphrase</dt> 284<dd>decipher cipher pixels with this passphrase. </dd> 285 286<dd> </dd> 287<dt>passkey</dt> 288<dd>decrypt cipher pixels with this passkey. </dd> 289 290<dd> </dd> 291<dt>exception</dt> 292<dd>return any errors or warnings in this structure. </dd> 293 294<dd> </dd> 295</dl> 296<h2><a href="../../api/MagickCore/cipher_8c.html" id="PasskeyEncipherImage">PasskeyEncipherImage</a></h2> 297 298<p>PasskeyEncipherImage() converts pixels to cipher-pixels.</p> 299 300<p>The format of the PasskeyEncipherImage method is:</p> 301 302<pre class="text"> 303MagickBooleanType PasskeyEncipherImage(Image *image, 304 const StringInfo *passkey,ExceptionInfo *exception) 305MagickBooleanType EncipherImage(Image *image,const char *passphrase, 306 ExceptionInfo *exception) 307</pre> 308 309<p>A description of each parameter follows:</p> 310 311<dd> 312</dd> 313 314<dd> </dd> 315<dl class="dl-horizontal"> 316<dt>passphrase</dt> 317<dd>decipher cipher pixels with this passphrase. </dd> 318 319<dd> </dd> 320<dt>passkey</dt> 321<dd>decrypt cipher pixels with this passkey. </dd> 322 323<dd> </dd> 324<dt>exception</dt> 325<dd>return any errors or warnings in this structure. </dd> 326 327<dd> </dd> 328</dl> 329</div> 330 </div> 331 </main><!-- /.container --> 332 <footer class="magick-footer"> 333 <div class="container-fluid"> 334 <a href="../../www/security-policy.html">Security</a> • 335 <a href="../../www/news.html">News</a> 336 337 <a href="cipher.html#"><img class="d-inline" id="wand" alt="And Now a Touch of Magick" width="16" height="16" src="../../../images/wand.ico"/></a> 338 339 <a href="../../www/links.html">Related</a> • 340 <a href="../../www/sitemap.html">Sitemap</a> 341 <br/> 342 <a href="../../www/support.html">Sponsor</a> • 343 <a 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