コード例 #1
0
ファイル: XORctr.py プロジェクト: srgblnch/Rijndael
def doMixColumns(nRows, nColumns, wordSize):
    mixColumns = MixColumns(nRows, nColumns, wordSize)
    state = [[randint(0, 2**wordSize)
              for i in range(nColumns)]
             for j in range(nRows)]
    mixColumns.do(state)
    print("MixColumns(%2d, %2d, %2d)-> %6d xors"
          % (nRows, nColumns, wordSize, mixColumns.xors))
コード例 #2
0
ファイル: MixColumns.py プロジェクト: srgblnch/Rijndael
def test_base(loglevel):
    stateMatrix = [[0x00, 0x01, 0x02, 0x03],
                   [0x10, 0x11, 0x12, 0x13],
                   [0x20, 0x21, 0x22, 0x23],
                   [0x30, 0x31, 0x32, 0x33]]
    mixcolumns = MixColumns(4, 4, 8, loglevel=levelFromMeaning(loglevel))
    print("Testing %s, details:\nEach value in a cell will be interpreted "
          "as a polynomial representation of a binary field extension "
          "modulo %s, and the columns as polynomial in a ring modulo %s."
          % (mixcolumns, mixcolumns.SubfieldModulo,
             mixcolumns.PolynomialRingModulo))
    stateConverted = mixcolumns.do(stateMatrix)
    if mixcolumns.invert(stateConverted) == stateMatrix:
        return True
    print("ALERT:\n\t%s\n!=\n\t%s" % (stateMatrix, stateConverted))
    return False
コード例 #3
0
ファイル: MixColumns.py プロジェクト: srgblnch/Rijndael
def test_aes128_round1(loglevel):
    stateMatrix = [[99, 9, 205, 186],
                   [83, 96, 112, 202],
                   [224, 225, 183, 208],
                   [140, 4, 81, 231]]  # 0x6353e08c0960e104cd70b751bacad0e7
    stateMixed = [[95, 87, 247, 29],
                  [114, 245, 190, 185],
                  [100, 188, 59, 249],
                  [21, 146, 41, 26]]  # 0x5f72641557f5bc92f7be3b291db9f91a
    mixcolumns = MixColumns(4, 4, 8)
    mixcolumns.logLevel = levelFromMeaning(loglevel)
    print("Testing AES128 round1")
    stateConverted = mixcolumns.do(stateMatrix)
    if stateMixed == stateConverted:
        return True
    print("ALERT:\n\t%s\n!=\n\t%s" % (stateMixed, stateConverted))
    return False