<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>Data/UUID/V5.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-- |</span> <a name="line-2"></a><span class='hs-comment'>-- Module : Data.UUID.V5</span> <a name="line-3"></a><span class='hs-comment'>-- Copyright : (c) 2008-2009 Antoine Latter</span> <a name="line-4"></a><span class='hs-comment'>--</span> <a name="line-5"></a><span class='hs-comment'>-- License : BSD-style</span> <a name="line-6"></a><span class='hs-comment'>--</span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : aslatter@gmail.com</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : experimental</span> <a name="line-9"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>--</span> <a name="line-12"></a><span class='hs-comment'>-- This module implements Version 5 UUIDs as specified</span> <a name="line-13"></a><span class='hs-comment'>-- in RFC 4122.</span> <a name="line-14"></a><span class='hs-comment'>--</span> <a name="line-15"></a><span class='hs-comment'>-- These UUIDs identify an object within a namespace,</span> <a name="line-16"></a><span class='hs-comment'>-- and are deterministic.</span> <a name="line-17"></a><span class='hs-comment'>--</span> <a name="line-18"></a><span class='hs-comment'>-- The namespace is identified by a UUID. Several sample</span> <a name="line-19"></a><span class='hs-comment'>-- namespaces are enclosed.</span> <a name="line-20"></a> <a name="line-21"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>UUID</span><span class='hs-varop'>.</span><span class='hs-conid'>V5</span> <a name="line-22"></a> <span class='hs-layout'>(</span><span class='hs-varid'>generateNamed</span> <a name="line-23"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Shared</span><span class='hs-varop'>.</span><span class='hs-varid'>namespaceDNS</span> <a name="line-24"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Shared</span><span class='hs-varop'>.</span><span class='hs-varid'>namespaceURL</span> <a name="line-25"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Shared</span><span class='hs-varop'>.</span><span class='hs-varid'>namespaceOID</span> <a name="line-26"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Shared</span><span class='hs-varop'>.</span><span class='hs-varid'>namespaceX500</span> <a name="line-27"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-28"></a> <a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <a name="line-30"></a> <a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>UUID</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span> <a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>UUID</span><span class='hs-varop'>.</span><span class='hs-conid'>Named</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Shared</span> <a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Crypto</span><span class='hs-varop'>.</span><span class='hs-conid'>Hash</span><span class='hs-varop'>.</span><span class='hs-conid'>SHA1</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>SHA1</span> <a name="line-34"></a> <a name="line-35"></a> <a name="line-36"></a><a name="generateNamed"></a><span class='hs-comment'>-- |Generate a 'UUID' within the specified namespace out of the given</span> <a name="line-37"></a><span class='hs-comment'>-- object.</span> <a name="line-38"></a><span class='hs-comment'>--</span> <a name="line-39"></a><span class='hs-comment'>-- Uses a SHA1 hash. The UUID is built from first 128 bits of the hash of</span> <a name="line-40"></a><span class='hs-comment'>-- the namespace UUID and the name (as a series of Word8).</span> <a name="line-41"></a><span class='hs-definition'>generateNamed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>UUID</span> <span class='hs-comment'>-- ^Namespace</span> <a name="line-42"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Word8</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^Object</span> <a name="line-43"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>UUID</span> <a name="line-44"></a><span class='hs-definition'>generateNamed</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Shared</span><span class='hs-varop'>.</span><span class='hs-varid'>generateNamed</span> <span class='hs-conid'>SHA1</span><span class='hs-varop'>.</span><span class='hs-varid'>hash</span> <span class='hs-num'>5</span> <a name="line-45"></a> </pre></body> </html>
