Sha256: df60954ca6066bdd1c6023e93c24828a2ec8e947d70cd1b291323e4160feef68
Contents?: true
Size: 857 Bytes
Versions: 6
Compression:
Stored size: 857 Bytes
Contents
module Fernet
# Internal: wrappers used for consistent bit packing across rubies
#
# Ruby 1.9.2 and below silently ignore endianness specifiers in
# packing/unpacking format directives
module BitPacking
extend self
# Internal - packs a value as a big endian, 64 bit integer
#
# value - a byte sequence as a string
#
# Returns array containing each value
def pack_int64_bigendian(value)
(0..7).map { |index| (value >> (index * 8)) & 0xFF }.reverse.map(&:chr).join
end
# Internal - unpacks a string of big endian, 64 bit integers
#
# bytes - an array of ints
#
# Returns the original byte sequence as a string
def unpack_int64_bigendian(bytes)
bytes.each_byte.to_a.reverse.each_with_index.
reduce(0) { |val, (byte, index)| val | (byte << (index * 8)) }
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems