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313 lines
8.3 KiB
313 lines
8.3 KiB
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<title>md5 - The Go Programming Language</title>
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...
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<div class="top-heading" id="heading-wide"><a href="http://localhost:6060/">The Go Programming Language</a></div>
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<h1>Package md5</h1>
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<div id="nav"></div>
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file.
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document.ANALYSIS_DATA = null;
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</script>
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<div id="short-nav">
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<dl>
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<dd><code>import "crypto/md5"</code></dd>
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</dl>
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<dl>
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<dd><a href="index.html#pkg-overview" class="overviewLink">Overview</a></dd>
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<dd><a href="index.html#pkg-index" class="indexLink">Index</a></dd>
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<dd><a href="index.html#pkg-examples" class="examplesLink">Examples</a></dd>
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<h2 class="toggleButton" title="Click to show Overview section">Overview ▹</h2>
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</div>
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<div class="expanded">
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<h2 class="toggleButton" title="Click to hide Overview section">Overview ▾</h2>
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<p>
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Package md5 implements the MD5 hash algorithm as defined in RFC 1321.
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</p>
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</div>
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</div>
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<h2 class="toggleButton" title="Click to show Index section">Index ▹</h2>
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<h2 class="toggleButton" title="Click to hide Index section">Index ▾</h2>
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<!-- Table of contents for API; must be named manual-nav to turn off auto nav. -->
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<div id="manual-nav">
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<dl>
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<dd><a href="index.html#pkg-constants">Constants</a></dd>
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<dd><a href="index.html#New">func New() hash.Hash</a></dd>
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<dd><a href="index.html#Sum">func Sum(data []byte) [Size]byte</a></dd>
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</dl>
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</div><!-- #manual-nav -->
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<div id="pkg-examples">
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<h4>Examples</h4>
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<dl>
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<dd><a class="exampleLink" href="index.html#example_New">New</a></dd>
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<dd><a class="exampleLink" href="index.html#example_Sum">Sum</a></dd>
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</dl>
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</div>
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<h4>Package files</h4>
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<p>
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<span style="font-size:90%">
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<a href="http://localhost:6060/src/crypto/md5/md5.go">md5.go</a>
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<a href="http://localhost:6060/src/crypto/md5/md5block.go">md5block.go</a>
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<a href="http://localhost:6060/src/crypto/md5/md5block_decl.go">md5block_decl.go</a>
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</span>
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</p>
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</div><!-- .expanded -->
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</div><!-- #pkg-index -->
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<div id="pkg-callgraph" class="toggle" style="display: none">
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<div class="collapsed">
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<h2 class="toggleButton" title="Click to show Internal Call Graph section">Internal call graph ▹</h2>
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</div> <!-- .expanded -->
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<div class="expanded">
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<h2 class="toggleButton" title="Click to hide Internal Call Graph section">Internal call graph ▾</h2>
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<p>
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In the call graph viewer below, each node
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is a function belonging to this package
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and its children are the functions it
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calls—perhaps dynamically.
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</p>
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<p>
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The root nodes are the entry points of the
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package: functions that may be called from
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outside the package.
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There may be non-exported or anonymous
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functions among them if they are called
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dynamically from another package.
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</p>
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<p>
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Click a node to visit that function's source code.
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From there you can visit its callers by
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clicking its declaring <code>func</code>
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token.
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</p>
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<p>
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Functions may be omitted if they were
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determined to be unreachable in the
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particular programs or tests that were
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analyzed.
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</p>
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<!-- Zero means show all package entry points. -->
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<ul style="margin-left: 0.5in" id="callgraph-0" class="treeview"></ul>
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</div>
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</div> <!-- #pkg-callgraph -->
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<h2 id="pkg-constants">Constants</h2>
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<pre>const <span id="BlockSize">BlockSize</span> = 64</pre>
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<p>
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The blocksize of MD5 in bytes.
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</p>
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<pre>const <span id="Size">Size</span> = 16</pre>
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<p>
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The size of an MD5 checksum in bytes.
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</p>
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<h2 id="New">func <a href="http://localhost:6060/src/crypto/md5/md5.go?s=913:933#L41">New</a></h2>
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<pre>func New() <a href="../../hash/index.html">hash</a>.<a href="../../hash/index.html#Hash">Hash</a></pre>
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<p>
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New returns a new hash.Hash computing the MD5 checksum.
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</p>
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<div id="example_New" class="toggle">
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<div class="collapsed">
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<p class="exampleHeading toggleButton">▹ <span class="text">Example</span></p>
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</div>
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<div class="expanded">
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<p class="exampleHeading toggleButton">▾ <span class="text">Example</span></p>
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<p>Code:</p>
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<pre class="code">h := md5.New()
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io.WriteString(h, "The fog is getting thicker!")
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io.WriteString(h, "And Leon's getting laaarger!")
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fmt.Printf("%x", h.Sum(nil))
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<span class="comment"></pre>
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<p>Output:</p>
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<pre class="output">e2c569be17396eca2a2e3c11578123ed
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</pre>
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</div>
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</div>
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<h2 id="Sum">func <a href="http://localhost:6060/src/crypto/md5/md5.go?s=2244:2276#L115">Sum</a></h2>
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<pre>func Sum(data []<a href="../../builtin/index.html#byte">byte</a>) [<a href="index.html#Size">Size</a>]<a href="../../builtin/index.html#byte">byte</a></pre>
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<p>
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Sum returns the MD5 checksum of the data.
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</p>
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<div id="example_Sum" class="toggle">
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<div class="collapsed">
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<p class="exampleHeading toggleButton">▹ <span class="text">Example</span></p>
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</div>
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<div class="expanded">
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<p class="exampleHeading toggleButton">▾ <span class="text">Example</span></p>
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<p>Code:</p>
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<pre class="code">data := []byte("These pretzels are making me thirsty.")
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fmt.Printf("%x", md5.Sum(data))
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<span class="comment"></pre>
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<p>Output:</p>
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<pre class="output">b0804ec967f48520697662a204f5fe72
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</pre>
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</div>
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</div>
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Creative Commons Attribution 3.0 License,
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