Sha256: 0423dd08fcf541e598b78e88ee1c1891056bd45fa037708ee10365e4e108ee60
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Size: 990 Bytes
Versions: 7
Compression:
Stored size: 990 Bytes
Contents
# frozen_string_literal: true
require "digest/sha2"
module Authlogic
module CryptoProviders
# SHA-512 does not have any practical known attacks against it. However,
# there are better choices. We recommend transitioning to a more secure,
# adaptive hashing algorithm, like scrypt.
class Sha512
class << self
attr_accessor :join_token
# The number of times to loop through the encryption.
def stretches
@stretches ||= 20
end
attr_writer :stretches
# Turns your raw password into a Sha512 hash.
def encrypt(*tokens)
digest = tokens.flatten.join(join_token)
stretches.times { digest = Digest::SHA512.hexdigest(digest) }
digest
end
# Does the crypted password match the tokens? Uses the same tokens that
# were used to encrypt.
def matches?(crypted, *tokens)
encrypt(*tokens) == crypted
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems