一套des3算法包括javascript,php,delphi,版本。
By：Roy.LiuLast updated：2012-03-20
本来是自己做的东西需要加密用的，但后来不合适，因为我用的是python,delphi, 我用这种方式也写了一个python des3 但好像有问题。原因在于 python 位运算不溢出，直接int 变成了long ,就导致结果出问题了，
即使能加密，解密也不准确了。所以暂时放弃。希望那位兄弟能够完善。
即使能加密，解密也不准确了。所以暂时放弃。希望那位兄弟能够完善。
# -*- coding:gbk -*-
#des
#this takes the key, the message, and whether to encrypt or decrypt
def des(key, message, encrypt, mode, iv=None, padding=None):
#declaring this locally speeds things up a bit
spfunction1 = [0x1010400,0,0x10000,0x1010404,0x1010004,0x10404,0x4,0x10000,0x400,0x1010400,0x1010404,0x400,0x1000404,0x1010004,0x1000000,0x4,0x404,0x1000400,0x1000400,0x10400,0x10400,0x1010000,0x1010000,0x1000404,0x10004,0x1000004,0x1000004,0x10004,0,0x404,0x10404,0x1000000,0x10000,0x1010404,0x4,0x1010000,0x1010400,0x1000000,0x1000000,0x400,0x1010004,0x10000,0x10400,0x1000004,0x400,0x4,0x1000404,0x10404,0x1010404,0x10004,0x1010000,0x1000404,0x1000004,0x404,0x10404,0x1010400,0x404,0x1000400,0x1000400,0,0x10004,0x10400,0,0x1010004]
spfunction2 = [0x80108020,0x80008000,0x8000,0x108020,0x100000,0x20,0x80100020,0x80008020,0x80000020,0x80108020,0x80108000,0x80000000,0x80008000,0x100000,0x20,0x80100020,0x108000,0x100020,0x80008020,0,0x80000000,0x8000,0x108020,0x80100000,0x100020,0x80000020,0,0x108000,0x8020,0x80108000,0x80100000,0x8020,0,0x108020,0x80100020,0x100000,0x80008020,0x80100000,0x80108000,0x8000,0x80100000,0x80008000,0x20,0x80108020,0x108020,0x20,0x8000,0x80000000,0x8020,0x80108000,0x100000,0x80000020,0x100020,0x80008020,0x80000020,0x100020,0x108000,0,0x80008000,0x8020,0x80000000,0x80100020,0x80108020,0x108000]
#spfunction2 = [-0x7fef7fe0,-0x7fff8000,0x8000,0x108020,0x100000,0x20,-0x7fefffe0,-0x7fff7fe0,-0x7fffffe0,-0x7fef7fe0,-0x7fef8000,-0x80000000,-0x7fff8000,0x100000,0x20,-0x7fefffe0,0x108000,0x100020,-0x7fff7fe0,0,-0x80000000,0x8000,0x108020,-0x7ff00000,0x100020,-0x7fffffe0,0,0x108000,0x8020,-0x7fef8000,-0x7ff00000,0x8020,0,0x108020,-0x7fefffe0,0x100000,-0x7fff7fe0,-0x7ff00000,-0x7fef8000,0x8000,-0x7ff00000,-0x7fff8000,0x20,-0x7fef7fe0,0x108020,0x20,0x8000,-0x80000000,0x8020,-0x7fef8000,0x100000,-0x7fffffe0,0x100020,-0x7fff7fe0,-0x7fffffe0,0x100020,0x108000,0,-0x7fff8000,0x8020,-0x80000000,-0x7fefffe0,-0x7fef7fe0,0x108000]
spfunction3 = [0x208,0x8020200,0,0x8020008,0x8000200,0,0x20208,0x8000200,0x20008,0x8000008,0x8000008,0x20000,0x8020208,0x20008,0x8020000,0x208,0x8000000,0x8,0x8020200,0x200,0x20200,0x8020000,0x8020008,0x20208,0x8000208,0x20200,0x20000,0x8000208,0x8,0x8020208,0x200,0x8000000,0x8020200,0x8000000,0x20008,0x208,0x20000,0x8020200,0x8000200,0,0x200,0x20008,0x8020208,0x8000200,0x8000008,0x200,0,0x8020008,0x8000208,0x20000,0x8000000,0x8020208,0x8,0x20208,0x20200,0x8000008,0x8020000,0x8000208,0x208,0x8020000,0x20208,0x8,0x8020008,0x20200]
spfunction4 = [0x802001,0x2081,0x2081,0x80,0x802080,0x800081,0x800001,0x2001,0,0x802000,0x802000,0x802081,0x81,0,0x800080,0x800001,0x1,0x2000,0x800000,0x802001,0x80,0x800000,0x2001,0x2080,0x800081,0x1,0x2080,0x800080,0x2000,0x802080,0x802081,0x81,0x800080,0x800001,0x802000,0x802081,0x81,0,0,0x802000,0x2080,0x800080,0x800081,0x1,0x802001,0x2081,0x2081,0x80,0x802081,0x81,0x1,0x2000,0x800001,0x2001,0x802080,0x800081,0x2001,0x2080,0x800000,0x802001,0x80,0x800000,0x2000,0x802080]
spfunction5 = [0x100,0x2080100,0x2080000,0x42000100,0x80000,0x100,0x40000000,0x2080000,0x40080100,0x80000,0x2000100,0x40080100,0x42000100,0x42080000,0x80100,0x40000000,0x2000000,0x40080000,0x40080000,0,0x40000100,0x42080100,0x42080100,0x2000100,0x42080000,0x40000100,0,0x42000000,0x2080100,0x2000000,0x42000000,0x80100,0x80000,0x42000100,0x100,0x2000000,0x40000000,0x2080000,0x42000100,0x40080100,0x2000100,0x40000000,0x42080000,0x2080100,0x40080100,0x100,0x2000000,0x42080000,0x42080100,0x80100,0x42000000,0x42080100,0x2080000,0,0x40080000,0x42000000,0x80100,0x2000100,0x40000100,0x80000,0,0x40080000,0x2080100,0x40000100]
spfunction6 = [0x20000010,0x20400000,0x4000,0x20404010,0x20400000,0x10,0x20404010,0x400000,0x20004000,0x404010,0x400000,0x20000010,0x400010,0x20004000,0x20000000,0x4010,0,0x400010,0x20004010,0x4000,0x404000,0x20004010,0x10,0x20400010,0x20400010,0,0x404010,0x20404000,0x4010,0x404000,0x20404000,0x20000000,0x20004000,0x10,0x20400010,0x404000,0x20404010,0x400000,0x4010,0x20000010,0x400000,0x20004000,0x20000000,0x4010,0x20000010,0x20404010,0x404000,0x20400000,0x404010,0x20404000,0,0x20400010,0x10,0x4000,0x20400000,0x404010,0x4000,0x400010,0x20004010,0,0x20404000,0x20000000,0x400010,0x20004010]
spfunction7 = [0x200000,0x4200002,0x4000802,0,0x800,0x4000802,0x200802,0x4200800,0x4200802,0x200000,0,0x4000002,0x2,0x4000000,0x4200002,0x802,0x4000800,0x200802,0x200002,0x4000800,0x4000002,0x4200000,0x4200800,0x200002,0x4200000,0x800,0x802,0x4200802,0x200800,0x2,0x4000000,0x200800,0x4000000,0x200800,0x200000,0x4000802,0x4000802,0x4200002,0x4200002,0x2,0x200002,0x4000000,0x4000800,0x200000,0x4200800,0x802,0x200802,0x4200800,0x802,0x4000002,0x4200802,0x4200000,0x200800,0,0x2,0x4200802,0,0x200802,0x4200000,0x800,0x4000002,0x4000800,0x800,0x200002]
spfunction8 = [0x10001040,0x1000,0x40000,0x10041040,0x10000000,0x10001040,0x40,0x10000000,0x40040,0x10040000,0x10041040,0x41000,0x10041000,0x41040,0x1000,0x40,0x10040000,0x10000040,0x10001000,0x1040,0x41000,0x40040,0x10040040,0x10041000,0x1040,0,0,0x10040040,0x10000040,0x10001000,0x41040,0x40000,0x41040,0x40000,0x10041000,0x1000,0x40,0x10040040,0x1000,0x41040,0x10001000,0x40,0x10000040,0x10040000,0x10040040,0x10000000,0x40000,0x10001040,0,0x10041040,0x40040,0x10000040,0x10040000,0x10001000,0x10001040,0,0x10041040,0x41000,0x41000,0x1040,0x1040,0x40040,0x10000000,0x10041000]
masks = [4294967295,2147483647,1073741823,536870911,268435455,134217727,67108863,33554431,16777215,8388607,4194303,2097151,1048575,524287,262143,131071,65535,32767,16383,8191,4095,2047,1023,511,255,127,63,31,15,7,3,1,0];
#create the 16 or 48 subkeys we will need
keys = des_createKeys (key)
m=0; i=None; j=None; temp=None; temp2=None; right1=None; right2=None; left=None;right=None; looping=None;
cbcleft=None; cbcleft2=None; cbcright=None; cbcright2=None;
endloop=None; loopinc=None;
lenmessage = len(message);
chunk = 0;
#set up the loops for single and triple des
#single or triple des
iterations=0
if len(keys)==32:
iterations=3
else:
iterations=9
if iterations == 3:
if encrypt==1:
looping=[0, 32, 2]
else:
looping=[30, -2, -2]
else:
if encrypt==1:
looping=[0, 32, 2, 62, 30, -2, 64, 96, 2]
else:
looping=[94, 62, -2, 32, 64, 2, 30, -2, -2]
#pad the message depending on the padding parameter
# if padding == 2:
# message += " "; #pad the message with spaces
# elif padding == 1:
# temp = 8-(lenmessage%8);
# message += chr(temp)+chr(temp)+chr(temp)+chr(temp)+chr(temp)+chr(temp)+chr(temp)+chr(temp);
# if temp==8:
# lenmessage+=8 #PKCS7 padding
# else:
# message += "\0\0\0\0\0\0\0\0"; #pad the message out with null bytes
message +=chr(0)+chr(0)+chr(0)+chr(0)+chr(0)+chr(0)+chr(0)+chr(0)
#store the result here
result = "";
tempresult = "";
if mode == 1: #CBC mode
cbcleft = (ord(iv[m]) << 24) | (ord(iv[m+1]) << 16) | (ord(iv[m+2]) << 8) | ord(iv[m+3]);
cbcright = (ord(iv[m+4]) << 24) | (ord(iv[m+5]) << 16) | (ord(iv[m+6]) << 8) | ord(iv[m+7]);
m=0;
#loop through each 64 bit chunk of the message
while m < lenmessage:
left = (ord(message[m]) << 24) | (ord(message[m+1]) << 16) | (ord(message[m+2]) << 8) | ord(message[m+3]);
right = (ord(message[m+4]) << 24) | (ord(message[m+5]) << 16) | (ord(message[m+6]) << 8) | ord(message[m+7]);
m=m+8
#for Cipher Block Chaining mode, xor the message with the previous result
if mode == 1:
if encrypt==1:
left ^= cbcleft;
right ^= cbcright;
else:
cbcleft2 = cbcleft;
cbcright2 = cbcright;
cbcleft = left;
cbcright = right;
#first each 64 but chunk of the message must be permuted according to IP
temp = ((left >> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4);
temp = ((left >> 16) ^ right) & 0x0000ffff; right ^= temp; left ^= (temp << 16);
temp = ((right >> 2) ^ left) & 0x33333333; left ^= temp; right ^= (temp << 2);
temp = ((right >> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8);
temp = ((left >> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);
left = ((left << 1) | (left >> 31));
right = ((right << 1) | (right >> 31));
print 'before inner while: left,right:',left,right,temp
#do this either 1 or 3 times for each chunk of the message
j=0
while jendloop:
right1 = right ^ keys[i];
right2 = ((right >> 4) | (right << 28)) ^ keys[i+1];
#the result is attained by passing these bytes through the S selection functions
temp = left;
left = right;
right = temp ^ (spfunction2[(right1 >> 24) & 0x3f] | spfunction4[(right1 >> 16) & 0x3f]
| spfunction6[(right1 >> 8) & 0x3f] | spfunction8[right1 & 0x3f]
| spfunction1[(right2 >> 24) & 0x3f] | spfunction3[(right2 >> 16) & 0x3f]
| spfunction5[(right2 >> 8) & 0x3f] | spfunction7[right2 & 0x3f]);
i=i+loopinc;
temp = left; left = right; right= temp; #unreverse left and right
j=j+3;
#for either 1 or 3 iterations
#move then each one bit to the right
left = ((left >> 1) | (left << 31));
right = ((right >> 1) | (right << 31));
#now perform IP-1, which is IP in the opposite direction
temp = ((left >> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);
temp = ((right >> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8);
temp = ((right >> 2) ^ left) & 0x33333333; left ^= temp; right ^= (temp << 2);
temp = ((left >> 16) ^ right) & 0x0000ffff; right ^= temp; left ^= (temp << 16);
temp = ((left >> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4);
#for Cipher Block Chaining mode, xor the message with the previous result
if mode == 1:
if encrypt==1:
cbcleft = left; cbcright = right;
else:
left ^= cbcleft2;
right ^= cbcright2
# tempresult += chr(left>>24)#+chr((left>>16) & 0xff)+chr((left>>8) & 0xff)+chr(left & 0xff)+chr(right>>24)+chr((right>>16) & 0xff)+chr((right>>8) & 0xff)+chr(right & 0xff)
'''
print '======================================================='
print (left >> 24 & 0xff)
print ((left >> 16) & 0xff)
print ((left >> 8) & 0xff)
print (left & 0xff)
print (right >> 24 & 0xff)
print ((right >> 16) & 0xff)
print ((right >> 8) & 0xff)
print (right & 0xff)
print '******************************************************'
'''
tempresult = tempresult + chr(left >> 24 & 0xff) + chr((left >> 16) & 0xff) + chr((left >> 8) & 0xff) + chr(left & 0xff) + chr(right >> 24 & 0xff) + \
chr((right >> 16) & 0xff) + chr((right >> 8) & 0xff) + chr(right & 0xff)
chunk += 8;
if chunk == 512:
result += tempresult; tempresult = ""; chunk = 0;
#for every 8 characters, or 64 bits in the message
#return the result as an array
return result + tempresult;
#end of des
#des_createKeys
#this takes as input a 64 bit key (even though only 56 bits are used)
#as an array of 2 integers, and returns 16 48 bit keys
def des_createKeys(key):
#declaring this locally speeds things up a bit
pc2bytes0 = [0,0x4,0x20000000,0x20000004,0x10000,0x10004,0x20010000,0x20010004,0x200,0x204,0x20000200,0x20000204,0x10200,0x10204,0x20010200,0x20010204];
pc2bytes1 = [0,0x1,0x100000,0x100001,0x4000000,0x4000001,0x4100000,0x4100001,0x100,0x101,0x100100,0x100101,0x4000100,0x4000101,0x4100100,0x4100101];
pc2bytes2 = [0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808,0,0x8,0x800,0x808,0x1000000,0x1000008,0x1000800,0x1000808];
pc2bytes3 = [0,0x200000,0x8000000,0x8200000,0x2000,0x202000,0x8002000,0x8202000,0x20000,0x220000,0x8020000,0x8220000,0x22000,0x222000,0x8022000,0x8222000];
pc2bytes4 = [0,0x40000,0x10,0x40010,0,0x40000,0x10,0x40010,0x1000,0x41000,0x1010,0x41010,0x1000,0x41000,0x1010,0x41010];
pc2bytes5 = [0,0x400,0x20,0x420,0,0x400,0x20,0x420,0x2000000,0x2000400,0x2000020,0x2000420,0x2000000,0x2000400,0x2000020,0x2000420];
pc2bytes6 = [0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002,0,0x10000000,0x80000,0x10080000,0x2,0x10000002,0x80002,0x10080002];
pc2bytes7 = [0,0x10000,0x800,0x10800,0x20000000,0x20010000,0x20000800,0x20010800,0x20000,0x30000,0x20800,0x30800,0x20020000,0x20030000,0x20020800,0x20030800];
pc2bytes8 = [0,0x40000,0,0x40000,0x2,0x40002,0x2,0x40002,0x2000000,0x2040000,0x2000000,0x2040000,0x2000002,0x2040002,0x2000002,0x2040002];
pc2bytes9 = [0,0x10000000,0x8,0x10000008,0,0x10000000,0x8,0x10000008,0x400,0x10000400,0x408,0x10000408,0x400,0x10000400,0x408,0x10000408];
pc2bytes10 = [0,0x20,0,0x20,0x100000,0x100020,0x100000,0x100020,0x2000,0x2020,0x2000,0x2020,0x102000,0x102020,0x102000,0x102020];
pc2bytes11 = [0,0x1000000,0x200,0x1000200,0x200000,0x1200000,0x200200,0x1200200,0x4000000,0x5000000,0x4000200,0x5000200,0x4200000,0x5200000,0x4200200,0x5200200];
pc2bytes12 = [0,0x1000,0x8000000,0x8001000,0x80000,0x81000,0x8080000,0x8081000,0x10,0x1010,0x8000010,0x8001010,0x80010,0x81010,0x8080010,0x8081010];
pc2bytes13 = [0,0x4,0x100,0x104,0,0x4,0x100,0x104,0x1,0x5,0x101,0x105,0x1,0x5,0x101,0x105];
#how many iterations (1 for des, 3 for triple des)
iterations=0
if len(key)>8:
iterations=3
else:
iterations=1
#stores the return keys
keys = [] #new Array (32 * iterations);
#now define the left shifts which need to be done
shifts = [0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0];
#other variables
lefttemp=None
righttemp=None
m=0
n=0
temp=None
for j in range(iterations):
left = (ord(key[m]) << 24) | (ord(key[m+1]) << 16) | (ord(key[m+2]) << 8) | ord(key[m+3]);
right = (ord(key[m+4]) << 24) | (ord(key[m+5]) << 16) | (ord(key[m+6]) << 8) | ord(key[m+7]);
temp = ((left >> 4) ^ right) & 0x0f0f0f0f; right ^= temp; left ^= (temp << 4);
temp = ((right >> 16) ^ left) & 0x0000ffff; left ^= temp; right ^= (temp << 16);
temp = ((left >> 2) ^ right) & 0x33333333; right ^= temp; left ^= (temp << 2);
temp = ((right >> 16) ^ left) & 0x0000ffff; left ^= temp; right ^= (temp << 16);
temp = ((left >> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);
temp = ((right >> 8) ^ left) & 0x00ff00ff; left ^= temp; right ^= (temp << 8);
temp = ((left >> 1) ^ right) & 0x55555555; right ^= temp; left ^= (temp << 1);
#the right side needs to be shifted and to get the last four bits of the left side
temp = (left << 8) | ((right >> 20) & 0x000000f0);
#left needs to be put upside down
left = (right << 24) | ((right << 8) & 0xff0000) | ((right >> 8) & 0xff00) | ((right >> 24) & 0xf0);
right = temp;
#now go through and perform these shifts on the left and right keys
for i in range(len(shifts)):
#shift the keys either one or two bits to the left
if shifts[i]>0:
left = (left << 2) | (left >> 26);
right = (right << 2) | (right >> 26);
else:
left = (left << 1) | (left >> 27);
right = (right << 1) | (right >> 27);
#left &= -0xf; right &= -0xf;
left = left & 0xfffffff0;
right= right & 0xfffffff0;
#now apply PC-2, in such a way that E is easier when encrypting or decrypting
#this conversion will look like PC-2 except only the last 6 bits of each byte are used
#rather than 48 consecutive bits and the order of lines will be according to
#how the S selection functions will be applied: S2, S4, S6, S8, S1, S3, S5, S7
lefttemp = pc2bytes0[left >> 28] | pc2bytes1[(left >> 24) & 0xf] \
| pc2bytes2[(left >> 20) & 0xf] | pc2bytes3[(left >> 16) & 0xf] \
| pc2bytes4[(left >> 12) & 0xf] | pc2bytes5[(left >> 8) & 0xf] \
| pc2bytes6[(left >> 4) & 0xf];
righttemp = pc2bytes7[right >> 28] | pc2bytes8[(right >> 24) & 0xf] \
| pc2bytes9[(right >> 20) & 0xf] | pc2bytes10[(right >> 16) & 0xf] \
| pc2bytes11[(right >> 12) & 0xf] | pc2bytes12[(right >> 8) & 0xf] \
| pc2bytes13[(right >> 4) & 0xf];
temp = ((righttemp >> 16) ^ lefttemp) & 0x0000ffff;
keys.append(lefttemp ^ temp)
keys.append(righttemp ^ (temp << 16))
# keys[n++] = lefttemp ^ temp;
# keys[n++] = righttemp ^ (temp << 16);
#for each iterations
#return the keys we've created
return keys;
#end of des_createKeys
#////////////////////////////// TEST //////////////////////////////
def stringToHex (s):
r = "0x";
hexes = ["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"];
for i in range(len(s)):
r += hexes[s[i] >> 4] + hexes [s[i] & 0xf]
return r;
#def hexToString (h):
# r = "";
# for (var i= (h.substr(0, 2)=="0x")?2:0; i
另外把收集起来的另外几个统一的版本也发出来，个大家参考吧。点击下载此文件
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