class Dighasher::DigestGenerator
Digest Instance Generator
Constants
Public Class Methods
available()
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get available hash.
# File lib/dighasher/digest_generator.rb, line 23 def self.available "Digest::MD5, Digest::SHA1, Digest::SHA2(256, 384, 512)" end
generate_digest(mode, str=nil, bitlen=256)
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generate digest instance. @param [integer] mode Hash mode. use DigestGenerator
constant. @param [String] str target string @param [integer] bitlen SHA2
bitlength. 256 or 384 or 512. @return [Digest] digest lib instance
# File lib/dighasher/digest_generator.rb, line 32 def self.generate_digest(mode, str=nil, bitlen=256) digest = nil # generate digest instance case mode when MD5 then digest = Digest::MD5.new when SHA1 then digest = Digest::SHA1.new when SHA256, SHA512, SHA2 then digest = Digest::SHA2.new(bitlen) else # raise error. raise TypeError.new("invalid mode : #{mode}") end # set str if (digest && str) digest.update(str) end digest end