Module refinery.units.blockwise.rotl

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from . import BinaryOperation


class rotl(BinaryOperation):
    """
    Rotate the bits of each block left.
    """
    def operate(self, value, shift):
        shift %= self.fbits
        return (value << shift) | (value >> (self.fbits - shift))

    def inplace(self, value, shift):
        shift %= self.fbits
        lower = value >> (self.fbits - shift)
        value <<= shift
        value |= lower

Classes

class rotl (argument, bigendian=False, blocksize=1)

Rotate the bits of each block left.

Expand source code Browse git
class rotl(BinaryOperation):
    """
    Rotate the bits of each block left.
    """
    def operate(self, value, shift):
        shift %= self.fbits
        return (value << shift) | (value >> (self.fbits - shift))

    def inplace(self, value, shift):
        shift %= self.fbits
        lower = value >> (self.fbits - shift)
        value <<= shift
        value |= lower

Ancestors

Methods

def operate(self, value, shift)
Expand source code Browse git
def operate(self, value, shift):
    shift %= self.fbits
    return (value << shift) | (value >> (self.fbits - shift))
def inplace(self, value, shift)
Expand source code Browse git
def inplace(self, value, shift):
    shift %= self.fbits
    lower = value >> (self.fbits - shift)
    value <<= shift
    value |= lower

Inherited members