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  7. <title>aes - The Go Programming Language</title>
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  17. <div class="top-heading" id="heading-wide"><a href="http://localhost:6060/">The Go Programming Language</a></div>
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  33. <h1>Package aes</h1>
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  35. <!--
  36. Copyright 2009 The Go Authors. All rights reserved.
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  48. document.CALLGRAPH = null;
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  50. <div id="short-nav">
  51. <dl>
  52. <dd><code>import "crypto/aes"</code></dd>
  53. </dl>
  54. <dl>
  55. <dd><a href="index.html#pkg-overview" class="overviewLink">Overview</a></dd>
  56. <dd><a href="index.html#pkg-index" class="indexLink">Index</a></dd>
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  63. </div>
  64. <div class="expanded">
  65. <h2 class="toggleButton" title="Click to hide Overview section">Overview ▾</h2>
  66. <p>
  67. Package aes implements AES encryption (formerly Rijndael), as defined in
  68. U.S. Federal Information Processing Standards Publication 197.
  69. </p>
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  80. <dl>
  81. <dd><a href="index.html#pkg-constants">Constants</a></dd>
  82. <dd><a href="index.html#NewCipher">func NewCipher(key []byte) (cipher.Block, error)</a></dd>
  83. <dd><a href="index.html#KeySizeError">type KeySizeError</a></dd>
  84. <dd>&nbsp; &nbsp; <a href="index.html#KeySizeError.Error">func (k KeySizeError) Error() string</a></dd>
  85. </dl>
  86. </div><!-- #manual-nav -->
  87. <h4>Package files</h4>
  88. <p>
  89. <span style="font-size:90%">
  90. <a href="http://localhost:6060/src/crypto/aes/aes_gcm.go">aes_gcm.go</a>
  91. <a href="http://localhost:6060/src/crypto/aes/block.go">block.go</a>
  92. <a href="http://localhost:6060/src/crypto/aes/cipher.go">cipher.go</a>
  93. <a href="http://localhost:6060/src/crypto/aes/cipher_asm.go">cipher_asm.go</a>
  94. <a href="http://localhost:6060/src/crypto/aes/const.go">const.go</a>
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  103. <div class="expanded">
  104. <h2 class="toggleButton" title="Click to hide Internal Call Graph section">Internal call graph ▾</h2>
  105. <p>
  106. In the call graph viewer below, each node
  107. is a function belonging to this package
  108. and its children are the functions it
  109. calls&mdash;perhaps dynamically.
  110. </p>
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  112. The root nodes are the entry points of the
  113. package: functions that may be called from
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  120. Click a node to visit that function's source code.
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  126. Functions may be omitted if they were
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  128. particular programs or tests that were
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  133. </div>
  134. </div> <!-- #pkg-callgraph -->
  135. <h2 id="pkg-constants">Constants</h2>
  136. <pre>const <span id="BlockSize">BlockSize</span> = 16</pre>
  137. <p>
  138. The AES block size in bytes.
  139. </p>
  140. <h2 id="NewCipher">func <a href="http://localhost:6060/src/crypto/aes/cipher.go?s=688:736#L21">NewCipher</a></h2>
  141. <pre>func NewCipher(key []<a href="../../builtin/index.html#byte">byte</a>) (<a href="../cipher/index.html">cipher</a>.<a href="../cipher/index.html#Block">Block</a>, <a href="../../builtin/index.html#error">error</a>)</pre>
  142. <p>
  143. NewCipher creates and returns a new cipher.Block.
  144. The key argument should be the AES key,
  145. either 16, 24, or 32 bytes to select
  146. AES-128, AES-192, or AES-256.
  147. </p>
  148. <h2 id="KeySizeError">type <a href="http://localhost:6060/src/crypto/aes/cipher.go?s=391:412#L11">KeySizeError</a></h2>
  149. <pre>type KeySizeError <a href="../../builtin/index.html#int">int</a></pre>
  150. <h3 id="KeySizeError.Error">func (KeySizeError) <a href="http://localhost:6060/src/crypto/aes/cipher.go?s=414:450#L13">Error</a></h3>
  151. <pre>func (k <a href="index.html#KeySizeError">KeySizeError</a>) Error() <a href="../../builtin/index.html#string">string</a></pre>
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