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annotate lib/hasher.rb @ 10:2ebc526bc7dd

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Updated copyright.
author Sjoerd Mullender <sjoerd@acm.org>
date Fri, 06 Jan 2017 13:16:10 +0100 (2017-01-06)
parents aab36be83762
children 6abcfcdb4924
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1 # This Source Code Form is subject to the terms of the Mozilla Public
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2 # License, v. 2.0. If a copy of the MPL was not distributed with this
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3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
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4 #
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2ebc526bc7dd Updated copyright.
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5 # Copyright 1997 - July 2008 CWI, August 2008 - 2017 MonetDB B.V.
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7 require 'digest/md5'
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8 require 'digest/sha1'
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9 require 'digest/sha2'
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11 class Hasher
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12 # Constructor
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13 # method = "SHA1" or "MD5"
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14 # pwd = Password
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15 def initialize(method, pwd)
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16 if (method.upcase == "SHA1")
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17 @hashfunc = Digest::SHA1.new
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18 @hashname = method.upcase
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19 elsif (method.upcase == "SHA256")
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20 @hashfunc = Digest::SHA256.new
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21 @hashname = method.upcase
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22 elsif (method.upcase == "SHA384")
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23 @hashfunc = Digest::SHA384.new
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24 @hashname = method.upcase
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25 elsif (method.upcase == "SHA512")
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26 @hashfunc = Digest::SHA512.new
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27 @hashname = method.upcase
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28 else
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29 # default to MD5
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30 @hashfunc = Digest::MD5.new
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31 @hashname = "MD5"
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32 end
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33 @pwd = pwd
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34 end
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37 def hashname
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38 @hashname
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39 end
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40
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41 # Compute hash code
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42 def hashsum
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43 return @hashfunc.hexdigest(@pwd)
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44 end
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45 end