Sha256: 309c62f03562a4f0e59f211f4765b35cf73578cc5190c8f3225d7689f909ff23
Contents?: true
Size: 920 Bytes
Versions: 55
Compression:
Stored size: 920 Bytes
Contents
# frozen_string_literal: true
require "openssl"
module Decidim
# This class is used to generate secure tokens
class Tokenizer
#
# Initializes the Tokenizer.
#
# salt - The salt fr the encryption (it should be at leas 30 chars long)
# length - How long the key generated should be (in bytes)
#
def initialize(salt: nil, length: 32)
@salt = salt.presence || Tokenizer.random_salt
@length = length
end
def self.random_salt
SecureRandom.hex(32)
end
attr_reader :salt, :length
# returns a securely generated string of bytes
def digest(string)
OpenSSL::PKCS5.pbkdf2_hmac(string.to_s, salt, 20_000, length, "sha256")
end
def int_digest(string)
digest(string.to_s).bytes.inject { |a, b| (a << 8) + b }
end
def hex_digest(string)
digest(string.to_s).bytes.map { |c| c.ord.to_s(16) }.join
end
end
end
Version data entries
55 entries across 55 versions & 1 rubygems