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Size: 992 Bytes
Versions: 89
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Stored size: 992 Bytes
Contents
require 'base32'
module ForestLiana
# NOTICE: This service combines the 2FA secret stored on the forest server to the local secret
# salt. This guarantees that only the owner of the server and the concerned end user can
# know the final key.
# This is done by using a bitwise exclusive or operation, which guarantees the key to stay
# unique, so it is impossible for two users to have the same key.
class UserSecretCreator
def initialize(two_factor_authentication_secret, two_factor_secret_salt)
@two_factor_authentication_secret = two_factor_authentication_secret
@two_factor_secret_salt = two_factor_secret_salt
end
def perform
hash = (@two_factor_authentication_secret.to_i(16) ^ @two_factor_secret_salt.to_i(16)).to_s(16)
bin_hash = hex_to_bin(hash)
Base32.encode(bin_hash).tr('=', '')
end
def hex_to_bin(hex_string)
hex_string.scan(/../).map { |x| x.hex.chr }.join
end
end
end
Version data entries
89 entries across 89 versions & 1 rubygems