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crypto_sha1.htm
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<!DOCTYPE html>
<html lang="en">
<head profile="http://a9.com/-/spec/opensearch/1.1/">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="../assets/site.css" rel="stylesheet">
<title>crypto/sha1</title>
</head>
<body>
<div class="container">
<h2 id="pkg-overview">package sha1</h2>
<p><code>import "crypto/sha1"</code>
<p>sha1包实现了SHA1哈希算法，参见<a href="http://tools.ietf.org/html/rfc3174">RFC 3174</a>。</p>
<h3 id="pkg-index" class="section-header">Index <a class="permalink" href="#pkg-index">¶</a></h3>
<a href="../main.html"><h3>返回首页</h3></a>
</br>
<li><a href="#pkg-constants">Constants</a></li>
<li><a href="#Sum">func Sum(data []byte) [Size]byte</a></li>
<li><a href="#New">func New() hash.Hash</a></li>
</ul>
<h4 id="pkg-examples">Examples <a class="permalink" href="#pkg-index">¶</a></h4>
<a href="../main.html"><h3>返回首页</h3></a>
</br>
<li><a href="#example-New" onclick="$('#ex-New').addClass('in').removeClass('collapse').height('auto')">New</a></li>
<li><a href="#example-Sum" onclick="$('#ex-Sum').addClass('in').removeClass('collapse').height('auto')">Sum</a></li>
</ul>
<h3 id="pkg-constants">Constants <a class="permalink" href="#pkg-index">¶</a></h3>
<pre>const <span id="BlockSize">BlockSize</span> = 64</pre>
<p>SHA1的块大小。</p>
<pre>const <span id="Size">Size</span> = 20</pre>
<p>SHA1校验和的字节数。</p>
<h3 id="Sum">func <a title="View Source" href="https://github.com/golang/go/blob/master/src/crypto/sha1/sha1.go?name=release#125">Sum</a> <a class="permalink" href="#pkg-index">¶</a></h3>
<pre class="funcdecl">func Sum(data []<a href="builtin.htm#byte">byte</a>) [<a href="#Size">Size</a>]<a href="builtin.htm#byte">byte</a></pre>
<p>返回数据data的SHA1校验和。</p>
<div class="panel-group">
<div class="panel panel-default" id="example-Sum">
<div class="panel-heading" onclick="document.getElementById('ex-Sum').style.display = document.getElementById('ex-Sum').style.display=='none'?'block':'none';">Example</div>
<div id="ex-Sum" class="panel-collapse collapse">
<div class="panel-body">
<pre>data := []byte("This page intentionally left blank.")
fmt.Printf("% x", sha1.Sum(data))</pre>
<p>Output:
<pre>af 06 49 23 bb f2 30 15 96 aa c4 c2 73 ba 32 17 8e bc 4a 96
</pre>
</div>
</div>
</div>
</div>
<h3 id="New">func <a title="View Source" href="https://github.com/golang/go/blob/master/src/crypto/sha1/sha1.go?name=release#51">New</a> <a class="permalink" href="#pkg-index">¶</a></h3>
<pre class="funcdecl">func New() <a href="hash.htm">hash</a>.<a href="hash.htm#Hash">Hash</a></pre>
<p>返回一个新的使用SHA1校验的hash.Hash接口。</p>
<div class="panel-group">
<div class="panel panel-default" id="example-New">
<div class="panel-heading" onclick="document.getElementById('ex-New').style.display = document.getElementById('ex-New').style.display=='none'?'block':'none';">Example</div>
<div id="ex-New" class="panel-collapse collapse">
<div class="panel-body">
<pre>h := sha1.New()
io.WriteString(h, "His money is twice tainted:")
io.WriteString(h, " 'taint yours and 'taint mine.")
fmt.Printf("% x", h.Sum(nil))</pre>
<p>Output:
<pre>59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd
</pre>
</div>
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