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-- |
-- Module : Data.UUID.V5
-- Copyright : (c) 2008-2009 Antoine Latter
--
-- License : BSD-style
--
-- Maintainer : aslatter@gmail.com
-- Stability : experimental
-- Portability : portable
--
--
-- This module implements Version 5 UUIDs as specified
-- in RFC 4122.
--
-- These UUIDs identify an object within a namespace,
-- and are deterministic.
--
-- The namespace is identified by a UUID. Several sample
-- namespaces are enclosed.
module Data.UUID.V5
(generateNamed
,Shared.namespaceDNS
,Shared.namespaceURL
,Shared.namespaceOID
,Shared.namespaceX500
) where
import Data.Word
import Data.UUID.Internal
import qualified Data.UUID.Named as Shared
import qualified Crypto.Hash.SHA1 as SHA1
-- |Generate a 'UUID' within the specified namespace out of the given
-- object.
--
-- Uses a SHA1 hash. The UUID is built from first 128 bits of the hash of
-- the namespace UUID and the name (as a series of Word8).
generateNamed :: UUID -- ^Namespace
-> [Word8] -- ^Object
-> UUID
generateNamed = Shared.generateNamed SHA1.hash 5
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