go-neb/pkg/crypto/des/index.html

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  <h1>Package des</h1>


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			<dd><code>import "crypto/des"</code></dd>
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				<p>
Package des implements the Data Encryption Standard (DES) and the
Triple Data Encryption Algorithm (TDEA) as defined
in U.S. Federal Information Processing Standards Publication 46-3.
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				<dd><a href="index.html#pkg-constants">Constants</a></dd>
			
			
				<dd><a href="index.html#NewCipher">func NewCipher(key []byte) (cipher.Block, error)</a></dd>
			
				
				<dd><a href="index.html#NewTripleDESCipher">func NewTripleDESCipher(key []byte) (cipher.Block, error)</a></dd>
			
			
				<dd><a href="index.html#KeySizeError">type KeySizeError</a></dd>
				
				
					<dd>&nbsp; &nbsp; <a href="index.html#KeySizeError.Error">func (k KeySizeError) Error() string</a></dd>
				
			
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			<h4>Examples</h4>
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			<dd><a class="exampleLink" href="index.html#example_NewTripleDESCipher">NewTripleDESCipher</a></dd>
			
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			<h4>Package files</h4>
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				<a href="http://localhost:6060/src/crypto/des/block.go">block.go</a>
			
				<a href="http://localhost:6060/src/crypto/des/cipher.go">cipher.go</a>
			
				<a href="http://localhost:6060/src/crypto/des/const.go">const.go</a>
			
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			<h2 id="pkg-constants">Constants</h2>
			
				<pre>const <span id="BlockSize">BlockSize</span> = 8</pre>
				<p>
The DES block size in bytes.
</p>

			
			<h2 id="NewCipher">func <a href="http://localhost:6060/src/crypto/des/cipher.go?s=541:589#L17">NewCipher</a></h2>
			<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>
			<p>
NewCipher creates and returns a new cipher.Block.
</p>

			
			<h2 id="NewTripleDESCipher">func <a href="http://localhost:6060/src/crypto/des/cipher.go?s=1141:1198#L39">NewTripleDESCipher</a></h2>
			<pre>func NewTripleDESCipher(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>
			<p>
NewTripleDESCipher creates and returns a new cipher.Block.
</p>

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		<p class="exampleHeading toggleButton">▾ <span class="text">Example</span></p>
		
		
			<p>Code:</p>
			<pre class="code">
<span class="comment">// NewTripleDESCipher can also be used when EDE2 is required by</span>
<span class="comment">// duplicating the first 8 bytes of the 16-byte key.</span>
ede2Key := []byte(&#34;example key 1234&#34;)

var tripleDESKey []byte
tripleDESKey = append(tripleDESKey, ede2Key[:16]...)
tripleDESKey = append(tripleDESKey, ede2Key[:8]...)

_, err := des.NewTripleDESCipher(tripleDESKey)
if err != nil {
    panic(err)
}

<span class="comment">// See crypto/cipher for how to use a cipher.Block for encryption and</span>
<span class="comment">// decryption.</span>
</pre>
			
		
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			<h2 id="KeySizeError">type <a href="http://localhost:6060/src/crypto/des/cipher.go?s=266:287#L5">KeySizeError</a></h2>
			<pre>type KeySizeError <a href="../../builtin/index.html#int">int</a></pre>
			

				<h3 id="KeySizeError.Error">func (KeySizeError) <a href="http://localhost:6060/src/crypto/des/cipher.go?s=289:325#L7">Error</a></h3>
				<pre>func (k <a href="index.html#KeySizeError">KeySizeError</a>) Error() <a href="../../builtin/index.html#string">string</a></pre>
				
				
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