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| from math import ceil
IV="7380166f 4914b2b9 172442d7 da8a0600 a96f30bc 163138aa e38dee4d b0fb0e4e" IV = int(IV.replace(" ", ""), 16) a = [] for i in range(0, 8): a.append(0) a[i] = (IV >> ((7 - i) * 32)) & 0xFFFFFFFF IV = a
def out_hex(list1): for i in list1: print("%08x" % i) print("\n")
def rotate_left(a, k): k = k % 32 return ((a << k) & 0xFFFFFFFF) | ((a & 0xFFFFFFFF) >> (32 - k))
T_j = [] for i in range(0, 16): T_j.append(0) T_j[i] = 0x79cc4519 for i in range(16, 64): T_j.append(0) T_j[i] = 0x7a879d8a
def FF_j(X, Y, Z, j): if 0 <= j and j < 16: ret = X ^ Y ^ Z elif 16 <= j and j < 64: ret = (X & Y) | (X & Z) | (Y & Z) return ret
def GG_j(X, Y, Z, j): if 0 <= j and j < 16: ret = X ^ Y ^ Z elif 16 <= j and j < 64: ret = (X & Y) | ((~ X) & Z) return ret
def P_0(X): return X ^ (rotate_left(X, 9)) ^ (rotate_left(X, 17))
def P_1(X): return X ^ (rotate_left(X, 15)) ^ (rotate_left(X, 23))
def CF(V_i, B_i): W = [] for i in range(16): weight = 0x1000000 data = 0 for k in range(i*4,(i+1)*4): data = data + B_i[k]*weight weight = int(weight/0x100) W.append(data)
for j in range(16, 68): W.append(0) W[j] = P_1(W[j-16] ^ W[j-9] ^ (rotate_left(W[j-3], 15))) ^ (rotate_left(W[j-13], 7)) ^ W[j-6] str1 = "%08x" % W[j] W_1 = [] for j in range(0, 64): W_1.append(0) W_1[j] = W[j] ^ W[j+4] str1 = "%08x" % W_1[j]
A, B, C, D, E, F, G, H = V_i """ print "00", out_hex([A, B, C, D, E, F, G, H]) """ for j in range(0, 64): SS1 = rotate_left(((rotate_left(A, 12)) + E + (rotate_left(T_j[j], j))) & 0xFFFFFFFF, 7) SS2 = SS1 ^ (rotate_left(A, 12)) TT1 = (FF_j(A, B, C, j) + D + SS2 + W_1[j]) & 0xFFFFFFFF TT2 = (GG_j(E, F, G, j) + H + SS1 + W[j]) & 0xFFFFFFFF D = C C = rotate_left(B, 9) B = A A = TT1 H = G G = rotate_left(F, 19) F = E E = P_0(TT2)
A = A & 0xFFFFFFFF B = B & 0xFFFFFFFF C = C & 0xFFFFFFFF D = D & 0xFFFFFFFF E = E & 0xFFFFFFFF F = F & 0xFFFFFFFF G = G & 0xFFFFFFFF H = H & 0xFFFFFFFF """ str1 = "%02d" % j if str1[0] == "0": str1 = ' ' + str1[1:] print str1, out_hex([A, B, C, D, E, F, G, H]) """
V_i_1 = [] V_i_1.append(A ^ V_i[0]) V_i_1.append(B ^ V_i[1]) V_i_1.append(C ^ V_i[2]) V_i_1.append(D ^ V_i[3]) V_i_1.append(E ^ V_i[4]) V_i_1.append(F ^ V_i[5]) V_i_1.append(G ^ V_i[6]) V_i_1.append(H ^ V_i[7]) return V_i_1
def hash_msg(msg): len1 = len(msg) reserve1 = len1 % 64 msg.append(0x80) reserve1 = reserve1 + 1 range_end = 56 if reserve1 > range_end: range_end = range_end + 64
for i in range(reserve1, range_end): msg.append(0x00)
bit_length = (len1) * 8 bit_length_str = [bit_length % 0x100] for i in range(7): bit_length = int(bit_length / 0x100) bit_length_str.append(bit_length % 0x100) for i in range(8): msg.append(bit_length_str[7-i])
group_count = round(len(msg) / 64)
B = [] for i in range(0, group_count): B.append(msg[i*64:(i+1)*64])
V = [] V.append(IV) for i in range(0, group_count): V.append(CF(V[i], B[i]))
y = V[i+1] result = "" for i in y: result = '%s%08x' % (result, i) return result
def str2byte(msg): ml = len(msg) msg_byte = [] msg_bytearray = msg.encode('utf-8') for i in range(ml): msg_byte.append(msg_bytearray[i]) return msg_byte
def byte2str(msg): ml = len(msg) str1 = b"" for i in range(ml): str1 += b'%c' % msg[i] return str1.decode('utf-8')
def hex2byte(msg): ml = len(msg) if ml % 2 != 0: msg = '0'+ msg ml = int(len(msg)/2) msg_byte = [] for i in range(ml): msg_byte.append(int(msg[i*2:i*2+2],16)) return msg_byte
def byte2hex(msg): ml = len(msg) hexstr = "" for i in range(ml): hexstr = hexstr + ('%02x'% msg[i]) return hexstr
def Hash_sm3(msg,Hexstr = 0): if(Hexstr): msg_byte = hex2byte(msg) else: msg_byte = str2byte(msg) return hash_msg(msg_byte)
def KDF(Z,klen): klen = int(klen) ct = 0x00000001 rcnt = ceil(klen/32) Zin = hex2byte(Z) Ha = "" for i in range(rcnt): msg = Zin + hex2byte('%08x'% ct) Ha = Ha + hash_msg(msg) ct += 1 return Ha[0: klen * 2]
if __name__ == '__main__': str = input("请输入:"); y = Hash_sm3(str) print(y)
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