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| <div class="magick-header"> |
| <p class="text-center"><a href="cipher.php#AcquireAESInfo">AcquireAESInfo</a> • <a href="cipher.php#DestroyAESInfo">DestroyAESInfo</a> • <a href="cipher.php#EncipherAESBlock">EncipherAESBlock</a> • <a href="cipher.php#PasskeyDecipherImage">PasskeyDecipherImage</a> • <a href="cipher.php#PasskeyEncipherImage">PasskeyEncipherImage</a> • <a href="cipher.php#SetAESKey">SetAESKey</a> • <a href="cipher.php#PasskeyDecipherImage">PasskeyDecipherImage</a> • <a href="cipher.php#PasskeyEncipherImage">PasskeyEncipherImage</a></p> |
| |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="AcquireAESInfo">AcquireAESInfo</a></h2> |
| |
| <p>AcquireAESInfo() allocate the AESInfo structure.</p> |
| |
| <p>The format of the AcquireAESInfo method is:</p> |
| |
| <pre class="text"> |
| AESInfo *AcquireAESInfo(void) |
| </pre> |
| |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="DestroyAESInfo">DestroyAESInfo</a></h2> |
| |
| <p>DestroyAESInfo() zeros memory associated with the AESInfo structure.</p> |
| |
| <p>The format of the DestroyAESInfo method is:</p> |
| |
| <pre class="text"> |
| AESInfo *DestroyAESInfo(AESInfo *aes_info) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>aes_info</dt> |
| <dd>the cipher context. </dd> |
| |
| <dd> </dd> |
| </dl> |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="EncipherAESBlock">EncipherAESBlock</a></h2> |
| |
| <p>EncipherAESBlock() enciphers a single block of plaintext to produce a block of ciphertext.</p> |
| |
| <p>The format of the EncipherAESBlock method is:</p> |
| |
| <pre class="text"> |
| void EncipherAES(AESInfo *aes_info,const unsigned char *plaintext, |
| unsigned char *ciphertext) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>aes_info</dt> |
| <dd>the cipher context. </dd> |
| |
| <dd> </dd> |
| <dt>plaintext</dt> |
| <dd>the plain text. </dd> |
| |
| <dd> </dd> |
| <dt>ciphertext</dt> |
| <dd>the cipher text. </dd> |
| |
| <dd> </dd> |
| </dl> |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyDecipherImage">PasskeyDecipherImage</a></h2> |
| |
| <p>PasskeyDecipherImage() converts cipher pixels to plain pixels.</p> |
| |
| <p>The format of the PasskeyDecipherImage method is:</p> |
| |
| <pre class="text"> |
| MagickBooleanType PasskeyDecipherImage(Image *image, |
| const StringInfo *passkey,ExceptionInfo *exception) |
| MagickBooleanType DecipherImage(Image *image,const char *passphrase, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>image</dt> |
| <dd>the image. </dd> |
| |
| <dd> </dd> |
| <dt>passphrase</dt> |
| <dd>decipher cipher pixels with this passphrase. </dd> |
| |
| <dd> </dd> |
| <dt>passkey</dt> |
| <dd>decrypt cipher pixels with this passkey. </dd> |
| |
| <dd> </dd> |
| <dt>exception</dt> |
| <dd>return any errors or warnings in this structure. </dd> |
| |
| <dd> </dd> |
| </dl> |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyEncipherImage">PasskeyEncipherImage</a></h2> |
| |
| <p>PasskeyEncipherImage() converts pixels to cipher-pixels.</p> |
| |
| <p>The format of the PasskeyEncipherImage method is:</p> |
| |
| <pre class="text"> |
| MagickBooleanType PasskeyEncipherImage(Image *image, |
| const StringInfo *passkey,ExceptionInfo *exception) |
| MagickBooleanType EncipherImage(Image *image,const char *passphrase, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>image</dt> |
| <dd>the image. </dd> |
| |
| <dd> </dd> |
| <dt>passphrase</dt> |
| <dd>encipher pixels with this passphrase. </dd> |
| |
| <dd> </dd> |
| <dt>passkey</dt> |
| <dd>decrypt cipher pixels with this passkey. </dd> |
| |
| <dd> </dd> |
| <dt>exception</dt> |
| <dd>return any errors or warnings in this structure. </dd> |
| |
| <dd> </dd> |
| </dl> |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="SetAESKey">SetAESKey</a></h2> |
| |
| <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> |
| |
| <p>The format of the SetAESKey method is:</p> |
| |
| <pre class="text"> |
| SetAESKey(AESInfo *aes_info,const StringInfo *key) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>aes_info</dt> |
| <dd>the cipher context. </dd> |
| |
| <dd> </dd> |
| <dt>key</dt> |
| <dd>the key. </dd> |
| |
| <dd> </dd> |
| </dl> |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyDecipherImage">PasskeyDecipherImage</a></h2> |
| |
| <p>PasskeyDecipherImage() converts cipher pixels to plain pixels.</p> |
| |
| <p>The format of the PasskeyDecipherImage method is:</p> |
| |
| <pre class="text"> |
| MagickBooleanType PasskeyDecipherImage(Image *image, |
| const StringInfo *passkey,ExceptionInfo *exception) |
| MagickBooleanType DecipherImage(Image *image,const char *passphrase, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>image</dt> |
| <dd>the image. </dd> |
| |
| <dd> </dd> |
| <dt>passphrase</dt> |
| <dd>decipher cipher pixels with this passphrase. </dd> |
| |
| <dd> </dd> |
| <dt>passkey</dt> |
| <dd>decrypt cipher pixels with this passkey. </dd> |
| |
| <dd> </dd> |
| <dt>exception</dt> |
| <dd>return any errors or warnings in this structure. </dd> |
| |
| <dd> </dd> |
| </dl> |
| <h2><a href="https://imagemagick.org/api/MagickCore/cipher_8c.html" id="PasskeyEncipherImage">PasskeyEncipherImage</a></h2> |
| |
| <p>PasskeyEncipherImage() converts pixels to cipher-pixels.</p> |
| |
| <p>The format of the PasskeyEncipherImage method is:</p> |
| |
| <pre class="text"> |
| MagickBooleanType PasskeyEncipherImage(Image *image, |
| const StringInfo *passkey,ExceptionInfo *exception) |
| MagickBooleanType EncipherImage(Image *image,const char *passphrase, |
| ExceptionInfo *exception) |
| </pre> |
| |
| <p>A description of each parameter follows:</p> |
| |
| <dd> |
| </dd> |
| |
| <dd> </dd> |
| <dl class="dl-horizontal"> |
| <dt>passphrase</dt> |
| <dd>decipher cipher pixels with this passphrase. </dd> |
| |
| <dd> </dd> |
| <dt>passkey</dt> |
| <dd>decrypt cipher pixels with this passkey. </dd> |
| |
| <dd> </dd> |
| <dt>exception</dt> |
| <dd>return any errors or warnings in this structure. </dd> |
| |
| <dd> </dd> |
| </dl> |
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