Class: OpenPGP::Digest

Inherits:
Object
  • Object
show all
Defined in:
lib/openpgp/digest.rb,
lib/openpgp/digest/md5.rb,
lib/openpgp/digest/sha1.rb,
lib/openpgp/digest/sha2.rb,
lib/openpgp/digest/rmd160.rb

Overview

OpenPGP message digest algorithm.

See Also:

Direct Known Subclasses

MD5, RIPEMD160, SHA1, SHA224, SHA256, SHA384, SHA512

Defined Under Namespace

Classes: MD5, RIPEMD160, SHA1, SHA224, SHA256, SHA384, SHA512

Constant Summary collapse

DEFAULT = 
SHA1

Class Method Summary collapse

Class Method Details

.algorithm ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 37

def self.algorithm
  name.split('::').last.to_sym unless self == Digest
end

.digest(data) ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 55

def self.digest(data)
  require 'digest' unless defined?(::Digest)
  ::Digest.const_get(algorithm).digest(data)
end

.for(identifier) ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 17

def self.for(identifier)
  case identifier
    when Symbol then const_get(identifier.to_s.upcase)
    when String then const_get(identifier.upcase.to_sym)
    when 1      then const_get(:MD5)
    when 2      then const_get(:SHA1)
    when 3      then const_get(:RIPEMD160)
    when 8      then const_get(:SHA256)
    when 9      then const_get(:SHA384)
    when 10     then const_get(:SHA512)
    when 11     then const_get(:SHA224)
  end
end

.hexdigest(data) ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 50

def self.hexdigest(data)
  require 'digest' unless defined?(::Digest)
  ::Digest.const_get(algorithm).hexdigest(data).upcase
end

.hexsize ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 41

def self.hexsize
  size * 2
end

.identifier ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 33

def self.identifier
  const_get(:IDENTIFIER)
end

.size ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 45

def self.size
  require 'digest' unless defined?(::Digest)
  ::Digest.const_get(algorithm).new.digest_length
end

.to_i ⇒ Object 



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# File 'lib/openpgp/digest.rb', line 31

def self.to_i() identifier end