Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more

In Files

  • digest/sha2/lib/sha2.rb



Class/Module Index [+]



A meta digest provider class for SHA256, SHA384 and SHA512.

Public Class Methods

Digest::SHA2.new(bitlen = 256) → digest_obj click to toggle source

Creates a new SHA2 hash object with a given bit length.

               # File digest/sha2/lib/sha2.rb, line 23
def initialize(bitlen = 256)
  case bitlen
  when 256
    @sha2 = Digest::SHA256.new
  when 384
    @sha2 = Digest::SHA384.new
  when 512
    @sha2 = Digest::SHA512.new
    raise ArgumentError, "unsupported bit length: %s" % bitlen.inspect
  @bitlen = bitlen

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