Sha256: f2915eba1fc898bb0e46f3ae0867379178d8c6da8b7af0924cf058c0523eabee
Contents?: true
Size: 505 Bytes
Versions: 8
Compression:
Stored size: 505 Bytes
Contents
require "openssl"
module OTP
module Utils
private
def pack_int64(i)
return [i >> 32 & 0xffffffff, i & 0xffffffff].pack("NN")
end
def hmac(algorithm, secret, text)
mac = OpenSSL::HMAC.new(secret, algorithm)
mac << text
return mac.digest
end
def truncate(hash)
offset = hash[-1].ord & 0xf
binary = hash[offset, 4]
return binary.unpack("N")[0] & 0x7fffffff
end
def compare(a, b)
return a.to_i == b.to_i
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems