# Copyright (c) 2001 Markus Friedl. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # pylint: skip-file import sys digest_size = 20 digestsize = 20 class RIPEMD160: """ Return a new RIPEMD160 object. An optional string argument may be provided; if present, this string will be automatically hashed. """ def __init__(self, arg=None): self.ctx = RMDContext() if arg: self.update(arg) self.dig = None def update(self, arg): RMD160Update(self.ctx, arg, len(arg)) self.dig = None def digest(self): if self.dig: return self.dig ctx = self.ctx.copy() self.dig = RMD160Final(self.ctx) self.ctx = ctx return self.dig def hexdigest(self): dig = self.digest() hex_digest = "" for d in dig: hex_digest += "%02x" % d return hex_digest def copy(self): import copy return copy.deepcopy(self) def new(arg=None): """ Return a new RIPEMD160 object. An optional string argument may be provided; if present, this string will be automatically hashed. """ return RIPEMD160(arg) # # Private. # class RMDContext: def __init__(self): self.state = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0] # uint32 self.count = 0 # uint64 self.buffer = [0] * 64 # uchar def copy(self): ctx = RMDContext() ctx.state = self.state[:] ctx.count = self.count ctx.buffer = self.buffer[:] return ctx K0 = 0x00000000 K1 = 0x5A827999 K2 = 0x6ED9EBA1 K3 = 0x8F1BBCDC K4 = 0xA953FD4E KK0 = 0x50A28BE6 KK1 = 0x5C4DD124 KK2 = 0x6D703EF3 KK3 = 0x7A6D76E9 KK4 = 0x00000000 def ROL(n, x): return ((x << n) & 0xffffffff) | (x >> (32 - n)) def F0(x, y, z): return x ^ y ^ z def F1(x, y, z): return (x & y) | (((~x) % 0x100000000) & z) def F2(x, y, z): return (x | ((~y) % 0x100000000)) ^ z def F3(x, y, z): return (x & z) | (((~z) % 0x100000000) & y) def F4(x, y, z): return x ^ (y | ((~z) % 0x100000000)) def R(a, b, c, d, e, Fj, Kj, sj, rj, X): a = ROL(sj, (a + Fj(b, c, d) + X[rj] + Kj) % 0x100000000) + e c = ROL(10, c) return a % 0x100000000, c PADDING = [0x80] + [0] * 63 import sys import struct def RMD160Transform(state, block): # uint32 state[5], uchar block[64] x = [0] * 16 if sys.byteorder == "little": x = struct.unpack("<16L", bytes(block[0:64])) else: raise ValueError("Big-endian platforms are not supported") a = state[0] b = state[1] c = state[2] d = state[3] e = state[4] # Round 1 a, c = R(a, b, c, d, e, F0, K0, 11, 0, x) e, b = R(e, a, b, c, d, F0, K0, 14, 1, x) d, a = R(d, e, a, b, c, F0, K0, 15, 2, x) c, e = R(c, d, e, a, b, F0, K0, 12, 3, x) b, d = R(b, c, d, e, a, F0, K0, 5, 4, x) a, c = R(a, b, c, d, e, F0, K0, 8, 5, x) e, b = R(e, a, b, c, d, F0, K0, 7, 6, x) d, a = R(d, e, a, b, c, F0, K0, 9, 7, x) c, e = R(c, d, e, a, b, F0, K0, 11, 8, x) b, d = R(b, c, d, e, a, F0, K0, 13, 9, x) a, c = R(a, b, c, d, e, F0, K0, 14, 10, x) e, b = R(e, a, b, c, d, F0, K0, 15, 11, x) d, a = R(d, e, a, b, c, F0, K0, 6, 12, x) c, e = R(c, d, e, a, b, F0, K0, 7, 13, x) b, d = R(b, c, d, e, a, F0, K0, 9, 14, x) a, c = R(a, b, c, d, e, F0, K0, 8, 15, x) # #15 # Round 2 e, b = R(e, a, b, c, d, F1, K1, 7, 7, x) d, a = R(d, e, a, b, c, F1, K1, 6, 4, x) c, e = R(c, d, e, a, b, F1, K1, 8, 13, x) b, d = R(b, c, d, e, a, F1, K1, 13, 1, x) a, c = R(a, b, c, d, e, F1, K1, 11, 10, x) e, b = R(e, a, b, c, d, F1, K1, 9, 6, x) d, a = R(d, e, a, b, c, F1, K1, 7, 15, x) c, e = R(c, d, e, a, b, F1, K1, 15, 3, x) b, d = R(b, c, d, e, a, F1, K1, 7, 12, x) a, c = R(a, b, c, d, e, F1, K1, 12, 0, x) e, b = R(e, a, b, c, d, F1, K1, 15, 9, x) d, a = R(d, e, a, b, c, F1, K1, 9, 5, x) c, e = R(c, d, e, a, b, F1, K1, 11, 2, x) b, d = R(b, c, d, e, a, F1, K1, 7, 14, x) a, c = R(a, b, c, d, e, F1, K1, 13, 11, x) e, b = R(e, a, b, c, d, F1, K1, 12, 8, x) # #31 # Round 3 d, a = R(d, e, a, b, c, F2, K2, 11, 3, x) c, e = R(c, d, e, a, b, F2, K2, 13, 10, x) b, d = R(b, c, d, e, a, F2, K2, 6, 14, x) a, c = R(a, b, c, d, e, F2, K2, 7, 4, x) e, b = R(e, a, b, c, d, F2, K2, 14, 9, x) d, a = R(d, e, a, b, c, F2, K2, 9, 15, x) c, e = R(c, d, e, a, b, F2, K2, 13, 8, x) b, d = R(b, c, d, e, a, F2, K2, 15, 1, x) a, c = R(a, b, c, d, e, F2, K2, 14, 2, x) e, b = R(e, a, b, c, d, F2, K2, 8, 7, x) d, a = R(d, e, a, b, c, F2, K2, 13, 0, x) c, e = R(c, d, e, a, b, F2, K2, 6, 6, x) b, d = R(b, c, d, e, a, F2, K2, 5, 13, x) a, c = R(a, b, c, d, e, F2, K2, 12, 11, x) e, b = R(e, a, b, c, d, F2, K2, 7, 5, x) d, a = R(d, e, a, b, c, F2, K2, 5, 12, x) # #47 # Round 4 c, e = R(c, d, e, a, b, F3, K3, 11, 1, x) b, d = R(b, c, d, e, a, F3, K3, 12, 9, x) a, c = R(a, b, c, d, e, F3, K3, 14, 11, x) e, b = R(e, a, b, c, d, F3, K3, 15, 10, x) d, a = R(d, e, a, b, c, F3, K3, 14, 0, x) c, e = R(c, d, e, a, b, F3, K3, 15, 8, x) b, d = R(b, c, d, e, a, F3, K3, 9, 12, x) a, c = R(a, b, c, d, e, F3, K3, 8, 4, x) e, b = R(e, a, b, c, d, F3, K3, 9, 13, x) d, a = R(d, e, a, b, c, F3, K3, 14, 3, x) c, e = R(c, d, e, a, b, F3, K3, 5, 7, x) b, d = R(b, c, d, e, a, F3, K3, 6, 15, x) a, c = R(a, b, c, d, e, F3, K3, 8, 14, x) e, b = R(e, a, b, c, d, F3, K3, 6, 5, x) d, a = R(d, e, a, b, c, F3, K3, 5, 6, x) c, e = R(c, d, e, a, b, F3, K3, 12, 2, x) # #63 # Round 5 b, d = R(b, c, d, e, a, F4, K4, 9, 4, x) a, c = R(a, b, c, d, e, F4, K4, 15, 0, x) e, b = R(e, a, b, c, d, F4, K4, 5, 5, x) d, a = R(d, e, a, b, c, F4, K4, 11, 9, x) c, e = R(c, d, e, a, b, F4, K4, 6, 7, x) b, d = R(b, c, d, e, a, F4, K4, 8, 12, x) a, c = R(a, b, c, d, e, F4, K4, 13, 2, x) e, b = R(e, a, b, c, d, F4, K4, 12, 10, x) d, a = R(d, e, a, b, c, F4, K4, 5, 14, x) c, e = R(c, d, e, a, b, F4, K4, 12, 1, x) b, d = R(b, c, d, e, a, F4, K4, 13, 3, x) a, c = R(a, b, c, d, e, F4, K4, 14, 8, x) e, b = R(e, a, b, c, d, F4, K4, 11, 11, x) d, a = R(d, e, a, b, c, F4, K4, 8, 6, x) c, e = R(c, d, e, a, b, F4, K4, 5, 15, x) b, d = R(b, c, d, e, a, F4, K4, 6, 13, x) # #79 aa = a bb = b cc = c dd = d ee = e a = state[0] b = state[1] c = state[2] d = state[3] e = state[4] # Parallel round 1 a, c = R(a, b, c, d, e, F4, KK0, 8, 5, x) e, b = R(e, a, b, c, d, F4, KK0, 9, 14, x) d, a = R(d, e, a, b, c, F4, KK0, 9, 7, x) c, e = R(c, d, e, a, b, F4, KK0, 11, 0, x) b, d = R(b, c, d, e, a, F4, KK0, 13, 9, x) a, c = R(a, b, c, d, e, F4, KK0, 15, 2, x) e, b = R(e, a, b, c, d, F4, KK0, 15, 11, x) d, a = R(d, e, a, b, c, F4, KK0, 5, 4, x) c, e = R(c, d, e, a, b, F4, KK0, 7, 13, x) b, d = R(b, c, d, e, a, F4, KK0, 7, 6, x) a, c = R(a, b, c, d, e, F4, KK0, 8, 15, x) e, b = R(e, a, b, c, d, F4, KK0, 11, 8, x) d, a = R(d, e, a, b, c, F4, KK0, 14, 1, x) c, e = R(c, d, e, a, b, F4, KK0, 14, 10, x) b, d = R(b, c, d, e, a, F4, KK0, 12, 3, x) a, c = R(a, b, c, d, e, F4, KK0, 6, 12, x) # #15 # Parallel round 2 e, b = R(e, a, b, c, d, F3, KK1, 9, 6, x) d, a = R(d, e, a, b, c, F3, KK1, 13, 11, x) c, e = R(c, d, e, a, b, F3, KK1, 15, 3, x) b, d = R(b, c, d, e, a, F3, KK1, 7, 7, x) a, c = R(a, b, c, d, e, F3, KK1, 12, 0, x) e, b = R(e, a, b, c, d, F3, KK1, 8, 13, x) d, a = R(d, e, a, b, c, F3, KK1, 9, 5, x) c, e = R(c, d, e, a, b, F3, KK1, 11, 10, x) b, d = R(b, c, d, e, a, F3, KK1, 7, 14, x) a, c = R(a, b, c, d, e, F3, KK1, 7, 15, x) e, b = R(e, a, b, c, d, F3, KK1, 12, 8, x) d, a = R(d, e, a, b, c, F3, KK1, 7, 12, x) c, e = R(c, d, e, a, b, F3, KK1, 6, 4, x) b, d = R(b, c, d, e, a, F3, KK1, 15, 9, x) a, c = R(a, b, c, d, e, F3, KK1, 13, 1, x) e, b = R(e, a, b, c, d, F3, KK1, 11, 2, x) # #31 # Parallel round 3 d, a = R(d, e, a, b, c, F2, KK2, 9, 15, x) c, e = R(c, d, e, a, b, F2, KK2, 7, 5, x) b, d = R(b, c, d, e, a, F2, KK2, 15, 1, x) a, c = R(a, b, c, d, e, F2, KK2, 11, 3, x) e, b = R(e, a, b, c, d, F2, KK2, 8, 7, x) d, a = R(d, e, a, b, c, F2, KK2, 6, 14, x) c, e = R(c, d, e, a, b, F2, KK2, 6, 6, x) b, d = R(b, c, d, e, a, F2, KK2, 14, 9, x) a, c = R(a, b, c, d, e, F2, KK2, 12, 11, x) e, b = R(e, a, b, c, d, F2, KK2, 13, 8, x) d, a = R(d, e, a, b, c, F2, KK2, 5, 12, x) c, e = R(c, d, e, a, b, F2, KK2, 14, 2, x) b, d = R(b, c, d, e, a, F2, KK2, 13, 10, x) a, c = R(a, b, c, d, e, F2, KK2, 13, 0, x) e, b = R(e, a, b, c, d, F2, KK2, 7, 4, x) d, a = R(d, e, a, b, c, F2, KK2, 5, 13, x) # #47 # Parallel round 4 c, e = R(c, d, e, a, b, F1, KK3, 15, 8, x) b, d = R(b, c, d, e, a, F1, KK3, 5, 6, x) a, c = R(a, b, c, d, e, F1, KK3, 8, 4, x) e, b = R(e, a, b, c, d, F1, KK3, 11, 1, x) d, a = R(d, e, a, b, c, F1, KK3, 14, 3, x) c, e = R(c, d, e, a, b, F1, KK3, 14, 11, x) b, d = R(b, c, d, e, a, F1, KK3, 6, 15, x) a, c = R(a, b, c, d, e, F1, KK3, 14, 0, x) e, b = R(e, a, b, c, d, F1, KK3, 6, 5, x) d, a = R(d, e, a, b, c, F1, KK3, 9, 12, x) c, e = R(c, d, e, a, b, F1, KK3, 12, 2, x) b, d = R(b, c, d, e, a, F1, KK3, 9, 13, x) a, c = R(a, b, c, d, e, F1, KK3, 12, 9, x) e, b = R(e, a, b, c, d, F1, KK3, 5, 7, x) d, a = R(d, e, a, b, c, F1, KK3, 15, 10, x) c, e = R(c, d, e, a, b, F1, KK3, 8, 14, x) # #63 # Parallel round 5 b, d = R(b, c, d, e, a, F0, KK4, 8, 12, x) a, c = R(a, b, c, d, e, F0, KK4, 5, 15, x) e, b = R(e, a, b, c, d, F0, KK4, 12, 10, x) d, a = R(d, e, a, b, c, F0, KK4, 9, 4, x) c, e = R(c, d, e, a, b, F0, KK4, 12, 1, x) b, d = R(b, c, d, e, a, F0, KK4, 5, 5, x) a, c = R(a, b, c, d, e, F0, KK4, 14, 8, x) e, b = R(e, a, b, c, d, F0, KK4, 6, 7, x) d, a = R(d, e, a, b, c, F0, KK4, 8, 6, x) c, e = R(c, d, e, a, b, F0, KK4, 13, 2, x) b, d = R(b, c, d, e, a, F0, KK4, 6, 13, x) a, c = R(a, b, c, d, e, F0, KK4, 5, 14, x) e, b = R(e, a, b, c, d, F0, KK4, 15, 0, x) d, a = R(d, e, a, b, c, F0, KK4, 13, 3, x) c, e = R(c, d, e, a, b, F0, KK4, 11, 9, x) b, d = R(b, c, d, e, a, F0, KK4, 11, 11, x) # #79 t = (state[1] + cc + d) % 0x100000000 state[1] = (state[2] + dd + e) % 0x100000000 state[2] = (state[3] + ee + a) % 0x100000000 state[3] = (state[4] + aa + b) % 0x100000000 state[4] = (state[0] + bb + c) % 0x100000000 state[0] = t % 0x100000000 def RMD160Update(ctx, inp, inplen): if type(inp) == str: inp = [ord(i)&0xff for i in inp] have = int((ctx.count // 8) % 64) inplen = int(inplen) need = 64 - have ctx.count += 8 * inplen off = 0 if inplen >= need: if have: for i in range(need): ctx.buffer[have + i] = inp[i] RMD160Transform(ctx.state, ctx.buffer) off = need have = 0 while off + 64 <= inplen: RMD160Transform(ctx.state, inp[off:]) #<--- off += 64 if off < inplen: # memcpy(ctx->buffer + have, input+off, len-off) for i in range(inplen - off): ctx.buffer[have + i] = inp[off + i] def RMD160Final(ctx): size = struct.pack("