+==============================================================================+
|  DECRYPTION STATION — PUZZLE #13419                                |
+==============================================================================+

  CIPHER TYPE:     IRIS
  SECURITY LEVEL:  7/7

  STATUS:          [ACTIVE — AWAITING DECRYPTION]


  MISSION BRIEFING
  ----------------
Two 256-bit IrisCode vectors are provided. Compute the Hamming distance between them (fraction of differing bits). Answer is the distance as a float.

  INTERCEPTED DATA
  ----------------





> difficulty:
  7



> code1:
  1101000000011010001001010110101110101000000010100101110000110011001100001100011100100110111111100010001010101100011101100010001001000000110010101100100001001001001111011011100100111111001100111001101110010001101101111001001101010000000000110011111101011111



> code2:
  0011110110111101011010010100100000110110010000100110100000100000011110111010010111000111000101100101001111111011000111101000101100100111010011101101111100010001111000010100010000011111001111001000100011000001011101011101010001110000110011100011111001101010



> hint:
  IrisCode Hamming distance = count_differing_bits / 256. XOR the two bit vectors and count set bits. Answer = differing_bits/256 as exact decimal (trailing zeros OK, rounding not)



> answer format:
  exact decimal Hamming distance (0-1) — compute as differing_bits/256 for full precision. trailing zeros optional, rounding rejected





  [INTEL] Pool fill: iris diff 7


  DECRYPTION INPUT
  ----------------


    
    > ENTER PLAINTEXT: 
    > OPERATOR ID (optional): 
    


    [ SUBMIT SOLUTION ]





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