密码学 ZUC算法 Python实现
#ZUC算法
#测试向量
#KEY:(3d 4c 4b e9 6a 82 fd ae b5 8f 64 1d b1 7b 45 5b)
#IV:(84 31 9a a8 de 69 15 ca 1f 6b da 6b fb d8 c7 66)
S0=[[0x3e, 0x72, 0x5b, 0x47, 0xca, 0xe0, 0x00, 0x33, 0x04, 0xd1, 0x54, 0x98, 0x09, 0xb9, 0x6d, 0xcb],
[0x7b, 0x1b, 0xf9, 0x32, 0xaf, 0x9d, 0x6a, 0xa5, 0xb8, 0x2d, 0xfc, 0x1d, 0x08, 0x53, 0x03, 0x90],
[0x4d, 0x4e, 0x84, 0x99, 0xe4, 0xce, 0xd9, 0x91, 0xdd, 0xb6, 0x85, 0x48, 0x8b, 0x29, 0x6e, 0xac],
[0xcd, 0xc1, 0xf8, 0x1e, 0x73, 0x43, 0x69, 0xc6, 0xb5, 0xbd, 0xfd, 0x39, 0x63, 0x20, 0xd4, 0x38],
[0x76, 0x7d, 0xb2, 0xa7, 0xcf, 0xed, 0x57, 0xc5, 0xf3, 0x2c, 0xbb, 0x14, 0x21, 0x06, 0x55, 0x9b],
[0xe3, 0xef, 0x5e, 0x31, 0x4f, 0x7f, 0x5a, 0xa4, 0x0d, 0x82, 0x51, 0x49, 0x5f, 0xba, 0x58, 0x1c],
[0x4a, 0x16, 0xd5, 0x17, 0xa8, 0x92, 0x24, 0x1f, 0x8c, 0xff, 0xd8, 0xae, 0x2e, 0x01, 0xd3, 0xad],
[0x3b, 0x4b, 0xda, 0x46, 0xeb, 0xc9, 0xde, 0x9a, 0x8f, 0x87, 0xd7, 0x3a, 0x80, 0x6f, 0x2f, 0xc8],
[0xb1, 0xb4, 0x37, 0xf7, 0x0a, 0x22, 0x13, 0x28, 0x7c, 0xcc, 0x3c, 0x89, 0xc7, 0xc3, 0x96, 0x56],
[0x07, 0xbf, 0x7e, 0xf0, 0x0b, 0x2b, 0x97, 0x52, 0x35, 0x41, 0x79, 0x61, 0xa6, 0x4c, 0x10, 0xfe],
[0xbc, 0x26, 0x95, 0x88, 0x8a, 0xb0, 0xa3, 0xfb, 0xc0, 0x18, 0x94, 0xf2, 0xe1, 0xe5, 0xe9, 0x5d],
[0xd0, 0xdc, 0x11, 0x66, 0x64, 0x5c, 0xec, 0x59, 0x42, 0x75, 0x12, 0xf5, 0x74, 0x9c, 0xaa, 0x23],
[0x0e, 0x86, 0xab, 0xbe, 0x2a, 0x02, 0xe7, 0x67, 0xe6, 0x44, 0xa2, 0x6c, 0xc2, 0x93, 0x9f, 0xf1],
[0xf6, 0xfa, 0x36, 0xd2, 0x50, 0x68, 0x9e, 0x62, 0x71, 0x15, 0x3d, 0xd6, 0x40, 0xc4, 0xe2, 0x0f],
[0x8e, 0x83, 0x77, 0x6b, 0x25, 0x05, 0x3f, 0x0c, 0x30, 0xea, 0x70, 0xb7, 0xa1, 0xe8, 0xa9, 0x65],
[0x8d, 0x27, 0x1a, 0xdb, 0x81, 0xb3, 0xa0, 0xf4, 0x45, 0x7a, 0x19, 0xdf, 0xee, 0x78, 0x34, 0x60]]
S1=[[0x55, 0xc2, 0x63, 0x71, 0x3b, 0xc8, 0x47, 0x86, 0x9f, 0x3c, 0xda, 0x5b, 0x29, 0xaa, 0xfd, 0x77],
[0x8c, 0xc5, 0x94, 0x0c, 0xa6, 0x1a, 0x13, 0x00, 0xe3, 0xa8, 0x16, 0x72, 0x40, 0xf9, 0xf8, 0x42],
[0x44, 0x26, 0x68, 0x96, 0x81, 0xd9, 0x45, 0x3e, 0x10, 0x76, 0xc6, 0xa7, 0x8b, 0x39, 0x43, 0xe1],
[0x3a, 0xb5, 0x56, 0x2a, 0xc0, 0x6d, 0xb3, 0x05, 0x22, 0x66, 0xbf, 0xdc, 0x0b, 0xfa, 0x62, 0x48],
[0xdd, 0x20, 0x11, 0x06, 0x36, 0xc9, 0xc1, 0xcf, 0xf6, 0x27, 0x52, 0xbb, 0x69, 0xf5, 0xd4, 0x87],
[0x7f, 0x84, 0x4c, 0xd2, 0x9c, 0x57, 0xa4, 0xbc, 0x4f, 0x9a, 0xdf, 0xfe, 0xd6, 0x8d, 0x7a, 0xeb],
[0x2b, 0x53, 0xd8, 0x5c, 0xa1, 0x14, 0x17, 0xfb, 0x23, 0xd5, 0x7d, 0x30, 0x67, 0x73, 0x08, 0x09],
[0xee, 0xb7, 0x70, 0x3f, 0x61, 0xb2, 0x19, 0x8e, 0x4e, 0xe5, 0x4b, 0x93, 0x8f, 0x5d, 0xdb, 0xa9],
[0xad, 0xf1, 0xae, 0x2e, 0xcb, 0x0d, 0xfc, 0xf4, 0x2d, 0x46, 0x6e, 0x1d, 0x97, 0xe8, 0xd1, 0xe9],
[0x4d, 0x37, 0xa5, 0x75, 0x5e, 0x83, 0x9e, 0xab, 0x82, 0x9d, 0xb9, 0x1c, 0xe0, 0xcd, 0x49, 0x89],
[0x01, 0xb6, 0xbd, 0x58, 0x24, 0xa2, 0x5f, 0x38, 0x78, 0x99, 0x15, 0x90, 0x50, 0xb8, 0x95, 0xe4],
[0xd0, 0x91, 0xc7, 0xce, 0xed, 0x0f, 0xb4, 0x6f, 0xa0, 0xcc, 0xf0, 0x02, 0x4a, 0x79, 0xc3, 0xde],
[0xa3, 0xef, 0xea, 0x51, 0xe6, 0x6b, 0x18, 0xec, 0x1b, 0x2c, 0x80, 0xf7, 0x74, 0xe7, 0xff, 0x21],
[0x5a, 0x6a, 0x54, 0x1e, 0x41, 0x31, 0x92, 0x35, 0xc4, 0x33, 0x07, 0x0a, 0xba, 0x7e, 0x0e, 0x34],
[0x88, 0xb1, 0x98, 0x7c, 0xf3, 0x3d, 0x60, 0x6c, 0x7b, 0xca, 0xd3, 0x1f, 0x32, 0x65, 0x04, 0x28],
[0x64, 0xbe, 0x85, 0x9b, 0x2f, 0x59, 0x8a, 0xd7, 0xb0, 0x25, 0xac, 0xaf, 0x12, 0x03, 0xe2, 0xf2]]
D=[ 0x44d7, 0x26bc, 0x626b, 0x135e, 0x5789, 0x35e2, 0x7135, 0x09af,
0x4d78, 0x2f13, 0x6bc4, 0x1af1, 0x5e26, 0x3c4d, 0x789a, 0x47ac]
S = [0]*16
X = [0]*4
W = 0
R1 = 0
R2 = 0
def L1(X):
return X^ROL(X,2)^ROL(X,10)^ROL(X,18)^ROL(X,24)&0xFFFFFFFF
def L2(X):
return X^ROL(X,8)^ROL(X,14)^ROL(X,22)^ROL(X,30)&0xFFFFFFFF
def ROL(X,i):
return ((X<>(32-i))
def S_box(X):
temp = [X>>24, (X>>16)&0xFF, (X>>8)&0xFF, X&0xFF]
S_result = [0]*4
for i in range(4):
if i==0 or i==2:
for m,n in [(temp[i] >> 4,temp[i] & 0xf)]:
S_result[i] = S0[m][n]
else:
for m,n in [(temp[i] >> 4,temp[i] & 0xf)]:
S_result[i] = S1[m][n]
return (S_result[0]<<24 | S_result[1]<<16 | S_result[2]<<8 | S_result[3])
def BitReconstruction():
X[0] = (((S[15]>>15)&0xFFFF)<<16) | (S[14]&0xFFFF)
X[1] = ((S[11]&0xFFFF)<<16) | ((S[9]>>15)&0xFFFF)
X[2] = ((S[7]&0xFFFF)<<16) | ((S[5]>>15)&0xFFFF)
X[3] = ((S[2]&0xFFFF)<<16) | ((S[0]>>15)&0xFFFF)
def F(X0,X1,X2):
global W,R1,R2
W = ((X0^R1)+R2)%(2**32)
W1 = (R1+X1)%(2**32)
W2 = R2^X2
temp1 = ((W1<<16) | (W2>>16))&0xFFFFFFFF
temp2 = ((W2<<16) | (W1>>16))&0xFFFFFFFF
R1 = S_box(L1(temp1))
R2 = S_box(L2(temp2))
def LFSRWithInitialisationMode(u):
v = ((2**15)*S[15]+(2**17)*S[13]+(2**21)*S[10]+(2**20)*S[4]+(1+2**8)*S[0])%(2**31-1)
S.append((v+u)%(2**31-1))
if S[16] == 0:
S[16] = 2**31-1
del S[0]
def LFSRWithWorkMode():
S.append(((2**15)*S[15]+(2**17)*S[13]+(2**21)*S[10]+(2**20)*S[4]+(1+2**8)*S[0])%(2**31-1))
if S[16] == 0:
S[16] = 2**31-1
del S[0]
def Init():
global W,S,R1,R2
print("初始化阶段线性反馈移位寄存器的初态：")
for i in range(16):
S[i] = IV[i] | (D[i]<<8) | (KEY[i]<<23)
print('S'+str(i)+':'+hex(S[i]),end=' ')
print()
for i in range(32):
BitReconstruction()
F(X[0],X[1],X[2])
LFSRWithInitialisationMode(W >> 1)
for j in range(4):
print('X'+str(j)+':'+hex(X[j]),end=' ')
print('R1'+':'+hex(R1),end=' ')
print('R2'+':'+hex(R2),end=' ')
print('W'+':'+hex(W),end=' ')
print('S15'+':'+hex(S[15]),end=' ')
print()
print("初始化后线性反馈移位寄存器的状态：")
for i in range(16):
print('S'+str(i)+':'+hex(S[i]),end=' ')
def Work():
BitReconstruction()
F(X[0],X[1],X[2])
LFSRWithWorkMode()
def Keys_Print():
Keys = []
print("产生的密钥流：")
for i in range(3):
BitReconstruction()
F(X[0],X[1],X[2])
Keys.append(W^X[3])
LFSRWithWorkMode()
for j in range(4):
print('X'+str(j)+':'+hex(X[j]),end=' ')
print('R1'+':'+hex(R1),end=' ')
print('R2'+':'+hex(R2),end=' ')
print('W'+':'+hex(W),end=' ')
print('S15'+':'+hex(S[15]),end=' ')
print('Z'+str(i)+':'+hex(Keys[i]))
if __name__ == '__main__':
KEY=[0x3d,0x4c,0x4b,0xe9,0x6a,0x82,0xfd,0xae,0xb5,0x8f,0x64,0x1d,0xb1,0x7b,0x45,0x5b]
IV=[0x84,0x31,0x9a,0xa8,0xde,0x69,0x15,0xca,0x1f,0x6b,0xda,0x6b,0xfb,0xd8,0xc7,0x66]
Init()
Work()
Keys_Print()
