class CryptoGost3410::Converter
Public Class Methods
bignumToBytes(bn, size)
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Big number -> byte string (big-endian) of given size
# File lib/crypto_gost3410/converter.rb, line 4 def self.bignumToBytes(bn, size) s = bn.to_s(16) s = ('0' * (size * 2 - s.length)) + s sa = s.scan(/../) ba = [] sa.each{|c| ba << c.to_i(16).chr} bytes = ba.join end
bytesToBignum(bytes)
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Byte string (big-endian) to big number
# File lib/crypto_gost3410/converter.rb, line 14 def self.bytesToBignum(bytes) bytes.unpack('H*')[0].hex end
printBytes(bytes, line_size = 16)
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Byte string hex printer
# File lib/crypto_gost3410/converter.rb, line 19 def self.printBytes(bytes, line_size = 16) bytes.unpack('H*')[0].scan(/.{1,#{line_size}}/).each{|s| puts(s)} end