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href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="AcquireAESInfo">AcquireAESInfo</a></h2> 58 59<p>AcquireAESInfo() allocate the AESInfo structure.</p> 60 61<p>The format of the AcquireAESInfo method is:</p> 62 63<pre class="text"> 64AESInfo *AcquireAESInfo(void) 65</pre> 66 67<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="DestroyAESInfo">DestroyAESInfo</a></h2> 68 69<p>DestroyAESInfo() zeros memory associated with the AESInfo structure.</p> 70 71<p>The format of the DestroyAESInfo method is:</p> 72 73<pre class="text"> 74AESInfo *DestroyAESInfo(AESInfo *aes_info) 75</pre> 76 77<p>A description of each parameter follows:</p> 78 79<dd> 80</dd> 81 82<dd> </dd> 83<dl class="dl-horizontal"> 84<dt>aes_info</dt> 85<dd>the cipher context. </dd> 86 87<dd> </dd> 88</dl> 89<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="EncipherAESBlock">EncipherAESBlock</a></h2> 90 91<p>EncipherAESBlock() enciphers a single block of plaintext to produce a block of ciphertext.</p> 92 93<p>The format of the EncipherAESBlock method is:</p> 94 95<pre class="text"> 96void EncipherAES(AESInfo *aes_info,const unsigned char *plaintext, 97 unsigned char *ciphertext) 98</pre> 99 100<p>A description of each parameter follows:</p> 101 102<dd> 103</dd> 104 105<dd> </dd> 106<dl class="dl-horizontal"> 107<dt>aes_info</dt> 108<dd>the cipher context. </dd> 109 110<dd> </dd> 111<dt>plaintext</dt> 112<dd>the plain text. </dd> 113 114<dd> </dd> 115<dt>ciphertext</dt> 116<dd>the cipher text. </dd> 117 118<dd> </dd> 119</dl> 120<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyDecipherImage">PasskeyDecipherImage</a></h2> 121 122<p>PasskeyDecipherImage() converts cipher pixels to plain pixels.</p> 123 124<p>The format of the PasskeyDecipherImage method is:</p> 125 126<pre class="text"> 127MagickBooleanType PasskeyDecipherImage(Image *image, 128 const StringInfo *passkey,ExceptionInfo *exception) 129MagickBooleanType DecipherImage(Image *image,const char *passphrase, 130 ExceptionInfo *exception) 131</pre> 132 133<p>A description of each parameter follows:</p> 134 135<dd> 136</dd> 137 138<dd> </dd> 139<dl class="dl-horizontal"> 140<dt>image</dt> 141<dd>the image. </dd> 142 143<dd> </dd> 144<dt>passphrase</dt> 145<dd>decipher cipher pixels with this passphrase. </dd> 146 147<dd> </dd> 148<dt>passkey</dt> 149<dd>decrypt cipher pixels with this passkey. </dd> 150 151<dd> </dd> 152<dt>exception</dt> 153<dd>return any errors or warnings in this structure. </dd> 154 155<dd> </dd> 156</dl> 157<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyEncipherImage">PasskeyEncipherImage</a></h2> 158 159<p>PasskeyEncipherImage() converts pixels to cipher-pixels.</p> 160 161<p>The format of the PasskeyEncipherImage method is:</p> 162 163<pre class="text"> 164MagickBooleanType PasskeyEncipherImage(Image *image, 165 const StringInfo *passkey,ExceptionInfo *exception) 166MagickBooleanType EncipherImage(Image *image,const char *passphrase, 167 ExceptionInfo *exception) 168</pre> 169 170<p>A description of each parameter follows:</p> 171 172<dd> 173</dd> 174 175<dd> </dd> 176<dl class="dl-horizontal"> 177<dt>image</dt> 178<dd>the image. </dd> 179 180<dd> </dd> 181<dt>passphrase</dt> 182<dd>encipher pixels with this passphrase. </dd> 183 184<dd> </dd> 185<dt>passkey</dt> 186<dd>decrypt cipher pixels with this passkey. </dd> 187 188<dd> </dd> 189<dt>exception</dt> 190<dd>return any errors or warnings in this structure. </dd> 191 192<dd> </dd> 193</dl> 194<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="SetAESKey">SetAESKey</a></h2> 195 196<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> 197 198<p>The format of the SetAESKey method is:</p> 199 200<pre class="text"> 201SetAESKey(AESInfo *aes_info,const StringInfo *key) 202</pre> 203 204<p>A description of each parameter follows:</p> 205 206<dd> 207</dd> 208 209<dd> </dd> 210<dl class="dl-horizontal"> 211<dt>aes_info</dt> 212<dd>the cipher context. </dd> 213 214<dd> </dd> 215<dt>key</dt> 216<dd>the key. </dd> 217 218<dd> </dd> 219</dl> 220<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyDecipherImage">PasskeyDecipherImage</a></h2> 221 222<p>PasskeyDecipherImage() converts cipher pixels to plain pixels.</p> 223 224<p>The format of the PasskeyDecipherImage method is:</p> 225 226<pre class="text"> 227MagickBooleanType PasskeyDecipherImage(Image *image, 228 const StringInfo *passkey,ExceptionInfo *exception) 229MagickBooleanType DecipherImage(Image *image,const char *passphrase, 230 ExceptionInfo *exception) 231</pre> 232 233<p>A description of each parameter follows:</p> 234 235<dd> 236</dd> 237 238<dd> </dd> 239<dl class="dl-horizontal"> 240<dt>image</dt> 241<dd>the image. </dd> 242 243<dd> </dd> 244<dt>passphrase</dt> 245<dd>decipher cipher pixels with this passphrase. </dd> 246 247<dd> </dd> 248<dt>passkey</dt> 249<dd>decrypt cipher pixels with this passkey. </dd> 250 251<dd> </dd> 252<dt>exception</dt> 253<dd>return any errors or warnings in this structure. </dd> 254 255<dd> </dd> 256</dl> 257<h2><a href="http://nextgen.imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyEncipherImage">PasskeyEncipherImage</a></h2> 258 259<p>PasskeyEncipherImage() converts pixels to cipher-pixels.</p> 260 261<p>The format of the PasskeyEncipherImage method is:</p> 262 263<pre class="text"> 264MagickBooleanType PasskeyEncipherImage(Image *image, 265 const StringInfo *passkey,ExceptionInfo *exception) 266MagickBooleanType EncipherImage(Image *image,const char *passphrase, 267 ExceptionInfo *exception) 268</pre> 269 270<p>A description of each parameter follows:</p> 271 272<dd> 273</dd> 274 275<dd> </dd> 276<dl class="dl-horizontal"> 277<dt>passphrase</dt> 278<dd>decipher cipher pixels with this passphrase. </dd> 279 280<dd> </dd> 281<dt>passkey</dt> 282<dd>decrypt cipher pixels with this passkey. </dd> 283 284<dd> </dd> 285<dt>exception</dt> 286<dd>return any errors or warnings in this structure. </dd> 287 288<dd> </dd> 289</dl> 290</div> 291 <footer class="magick-footer"> 292 <p><a href="../script/support.php">Donate</a> • 293 <a href="../script/sitemap.php">Sitemap</a> • 294 <a href="../script/links.php">Related</a> • 295 <a href="../script/architecture.php">Architecture</a> 296</p> 297 <p><a href="cipher.php#">Back to top</a> • 298 <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> • 299 <a href="../script/contact.php">Contact Us</a></p> 300 <p><small>© 1999-2016 ImageMagick Studio LLC</small></p> 301 </footer> 302</div><!-- /.container --> 303 304 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 305 <script src="http://nextgen.imagemagick.org/js/magick.php"></script> 306</div> 307</body> 308</html> 309