三进制加解密程序
三进制加解密程序#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 作者：伍耀晖 Author: YaoHui.Wu
# 开源日期：2022年5月27日 Open Source Date: 2022-5-27
# 国家：中国 Country: China
import sys
def Ternary(iNumeric, iRadix):
i, lTrinary = 0,
if iNumeric and i < 6:
while iNumeric:
iNumeric, iRemainder = divmod(iNumeric, iRadix)
lTrinary = iRemainder
i += 1
return lTrinary
if __name__ == "__main__":
if len(sys.argv) < 4: print("Usage\n\tEncryption: TrinaryCipher -e/-E Plaintext.file Ciphertext.file Password\n\tDecrytion: TrinaryCipher -d/-D Ciphertext.file Plaintext.file Password")
elif sys.argv == "-e" or sys.argv == "-E":
strPassword, lData = sys.argv, []
iLength, k = len(strPassword), 0
with open(sys.argv, "br") as fdPlaintext:
bData = fdPlaintext.read()
iFileSize = fdPlaintext.tell()
for i in range(iFileSize):
lTrinary, lPassword, strData = Ternary(bData, 3), Ternary(ord(strPassword), 3), ""
for j in range(6):
if lTrinary == lPassword == 0: strData += "0"
elif lTrinary == 0 and lPassword == 1: strData += "2"
elif lTrinary == 0 and lPassword == 2: strData += "2"
elif lTrinary == 1 and lPassword == 0: strData += "1"
elif lTrinary == lPassword == 1: strData += "1"
elif lTrinary == 1 and lPassword == 2: strData += "1"
elif lTrinary == 2 and lPassword == 0: strData += "2"
elif lTrinary == 2 and lPassword == 1: strData += "0"
elif lTrinary == lPassword == 2: strData += "0"
lData.append(int(strData[::-1], 3))
k = (k + 1) % iLength
with open(sys.argv, "bw") as fdCiphertext:
for iData in lData:
fdCiphertext.write(iData.to_bytes(2, "little"))
elif sys.argv == "-d" or sys.argv == "-D":
strPassword, lData = sys.argv, []
iLength, k = len(strPassword), 0
with open(sys.argv, "br") as fdCiphertext:
bData = fdCiphertext.read(2)
while bData:
lTrinary, lPassword, strData = Ternary(int.from_bytes(bData, "little"), 3), Ternary(ord(strPassword), 3), ""
for j in range(6):
if lTrinary == lPassword == 0: strData += "0"
elif lTrinary == 0 and lPassword == 1: strData += "2"
elif lTrinary == 0 and lPassword == 2: strData += "2"
elif lTrinary == 1 and lPassword == 0: strData += "1"
elif lTrinary == lPassword == 1: strData += "1"
elif lTrinary == 1 and lPassword == 2: strData += "1"
elif lTrinary == 2 and lPassword == 0: strData += "2"
elif lTrinary == 2 and lPassword == 1: strData += "0"
elif lTrinary == lPassword == 2: strData += "0"
lData.append(int(strData[::-1], 3))
k = (k + 1) % iLength
bData = fdCiphertext.read(2)
with open(sys.argv, "bw") as fdPlaintext:
for iData in lData:
fdPlaintext.write(iData.to_bytes(1, "little"))
else: print("Usage\n\tEncryption: TrinaryCipher -e/-E Plaintext.file Ciphertext.file Password\n\tDecrytion: TrinaryCipher -d/-D Ciphertext.file Plaintext.file Password")
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