Module: Cryptos::Utils::Bytes

Included in:
Base58, PublicKey, Hexas
Defined in:
lib/cryptos/utils/bytes.rb

Instance Method Summary collapse

Instance Method Details

#bignum_to_bytes(n, length = nil, stringify = true) ⇒ Object 



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# File 'lib/cryptos/utils/bytes.rb', line 8

def bignum_to_bytes(n, length=nil, stringify=true)
  a = []
  while n > 0
    a << (n & 0xFF)
    n >>= 8
  end
  a.fill 0x00, a.length, length - a.length if length
  bytes = a.reverse
  stringify ? bytes.pack('C*') : bytes
end

#bytes_to_bignum(bytes_string) ⇒ Object 



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# File 'lib/cryptos/utils/bytes.rb', line 4

def bytes_to_bignum(bytes_string)
  bytes_string.bytes.reduce { |n, b| (n << 8) + b }
end