diff --git a/lib/bitcoin.py b/lib/bitcoin.py index 7e00d293c..88d237eae 100644 --- a/lib/bitcoin.py +++ b/lib/bitcoin.py @@ -200,16 +200,9 @@ def i2o_ECPublicKey(pubkey, compressed=False): ############ functions from pywallet ##################### def hash_160(public_key): - try: - md = hashlib.new('ripemd160') - md.update(sha256(public_key)) - return md.digest() - except Exception: - # not available in Android SL4a - import ripemd - md = ripemd.new(sha256(public_key)) - return md.digest() - + md = hashlib.new('ripemd160') + md.update(sha256(public_key)) + return md.digest() def public_key_to_bc_address(public_key): h160 = hash_160(public_key) diff --git a/lib/ripemd.py b/lib/ripemd.py deleted file mode 100644 index cc7a38f95..000000000 --- a/lib/ripemd.py +++ /dev/null @@ -1,399 +0,0 @@ -## ripemd.py - pure Python implementation of the RIPEMD-160 algorithm. -## Bjorn Edstrom 16 december 2007. -## -## Copyrights -## ========== -## -## This code is a derived from an implementation by Markus Friedl which is -## subject to the following license. This Python implementation is not -## subject to any other license. -## -##/* -## * 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. -## */ -##/* -## * Preneel, Bosselaers, Dobbertin, "The Cryptographic Hash Function RIPEMD-160", -## * RSA Laboratories, CryptoBytes, Volume 3, Number 2, Autumn 1997, -## * ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf -## */ - -try: - import psyco - psyco.full() -except ImportError: - pass - -#block_size = 1 -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): - """update(arg)""" - RMD160Update(self.ctx, arg, len(arg)) - self.dig = None - - def digest(self): - """digest()""" - if self.dig: - return self.dig - ctx = self.ctx.copy() - self.dig = RMD160Final(self.ctx) - self.ctx = ctx - return self.dig - - def hexdigest(self): - """hexdigest()""" - dig = self.digest() - hex_digest = '' - for d in dig: - hex_digest += '%02x' % ord(d) - return hex_digest - - def copy(self): - """copy()""" - 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', ''.join([chr(x) for x in block[0:64]])) - else: - raise "Error!!" - 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; - - pass - - -def RMD160Update(ctx, inp, inplen): - if type(inp) == str: - inp = [ord(i)&0xff for i in inp] - - have = (ctx.count / 8) % 64 - need = 64 - have - ctx.count += 8 * inplen - off = 0 - if inplen >= need: - if have: - for i in xrange(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 xrange(inplen - off): - ctx.buffer[have+i] = inp[off+i] - -def RMD160Final(ctx): - size = struct.pack("