Lines Matching +full:- +full:- +full:passphrase
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94 <h1 class="text-center">Encipher or Decipher an Image</h1>
95 <p class="text-center"><a href="cipher.html#encipher">Encipher an Image</a> • <a href="cipher.html#…
97 …-description">Most images, by design, are made to be viewed often and by many people. Web images,…
103 …-line-options.html#encipher">-encipher</a> option to scramble your image so that it is unrecogniza…
105 <pre class="highlight"><code>magick rose.jpg -encipher passphrase.txt rose.png
108 <p>Here we encipher an image using another image as the passphrase:</p>
110 <pre class="highlight"><code>magick rose.jpg -encipher smiley.gif rose.png
115 …-line-options.html#decipher">-decipher</a> option to unscramble your image so that it is recogniza…
117 <pre class="highlight"><code>magick rose.png -decipher passphrase.txt rose.jpg
122 <p>Some formats do not support enciphered pixels-- the JPEG or GIF format, for
127 <p>The image format may only support 8-bit and RGB (TrueColor). As such you may
128 like to include the options "-depth 8 -type TrueColor" before the output
131 <p>The passphrase can be any combinations of letters and symbols. It should
133 private. Also make sure your passphrase file permissions prevent others from
138 passphrase. If you lose or forget it, your original image content is lost
146 …passphrase to derive the nonce. The second half is the cipher key. When used correctly, AES-CTR p…
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