def shiftRows(block):
block = convertToKarlBlock(block)
outBlock = convertToMatrixBlock(block)
for i in range(0, len(outBlock)):
outBlock[i] = outBlock[i][i:] + outBlock[i][:i]
outBlock = convertFromMatrixBlock(outBlock)
outBlock = convertToKarlBlock(outBlock)
return outBlock
def shiftRowsInv(inBlock):
inBlock = convertFromKarlBlockInv(inBlock)
outBlock = convertToMatrixBlock(inBlock)
for i in range(0, len(outBlock)):
outBlock[i] = outBlock[i][-i:] + outBlock[i][:-i]
outBlock = convertFromMatrixBlock(outBlock)
outBlock = convertFromKarlBlockInv(outBlock)
return outBlock
def mixInvColumns(block):
inBlock = convertToMatrixBlock(block)
outBlock = []
for i in range(0,len(inBlock)):
outBlock.append(mixInvColumn(inBlock[i]))
return convertFromMatrixBlock(outBlock)