From 25d561ca9aa5054896bd7c556a3efc6f4663beed Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Thu, 13 Nov 2014 04:31:43 +0100 Subject: nuke... MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- python2/sha3sum.py | 398 ----------------------------------------------------- 1 file changed, 398 deletions(-) delete mode 100755 python2/sha3sum.py (limited to 'python2/sha3sum.py') diff --git a/python2/sha3sum.py b/python2/sha3sum.py deleted file mode 100755 index ce00cb3..0000000 --- a/python2/sha3sum.py +++ /dev/null @@ -1,398 +0,0 @@ -#!/usr/bin/env python2 -# -*- coding: utf-8 -*- -''' -sha3sum – SHA-3 (Keccak) checksum calculator - -Copyright © 2013, 2014 Mattias Andrée (maandree@member.fsf.org) - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU Affero General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Affero General Public License for more details. - -You should have received a copy of the GNU Affero General Public License -along with this program. If not, see . -''' - -import sys -import os - -from sha3 import SHA3 - - -stdout = os.fdopen(1, 'w') -stderr = os.fdopen(2, 'w') - - -def printerr(text, end = '\n'): - stderr.write(text + end) - stderr.flush() - - -def write(data): - stdout.write(data) - - -def flush(): - stdout.flush() - - - -if __name__ == '__main__': - cmd = sys.argv[0] - args = sys.argv[1:] - if '/' in cmd: - cmd = cmd[cmd.rfind('/') + 1:] - if cmd.endswith('.py'): - cmd = cmd[:-3] - - (O, S, R, C, W, I, J) = (None, None, None, None, None, None, None) - (o, s, r, c, w, i, j) = (0, 0, 0, 0, 0, 0, 0) - _o = 512 # --outputsize - if cmd == 'sha3-224sum': _o = 224 - elif cmd == 'sha3-256sum': _o = 256 - elif cmd == 'sha3-384sum': _o = 384 - elif cmd == 'sha3-512sum': _o = 512 - _s = 1600 # --statesize - _c = _s - (_o << 1) # --capacity - _r = _s - _c # --bitrate - _w = _s / 25 # --wordsize - _i = 1 # --iterations - _j = 1 # --squeezes - (binary, hex, multi) = (False, False, 0) - - files = [] - dashed = False - linger = None - - for arg in args + [None]: - if linger is not None: - if linger[0] in ('-h', '--help'): - sys.stderr.buffer.write((''' -SHA-3/Keccak checksum calculator - -USAGE: sha3sum [option...] < file - sha3sum [option...] file... - - -OPTIONS: - -r BITRATE - --bitrate The bitrate to use for checksum. (default: %d) - - -c CAPACITY - --capacity The capacity to use for checksum. (default: %d) - - -w WORDSIZE - --wordsize The word size to use for checksum. (default: %d) - - -o OUTPUTSIZE - --outputsize The output size to use for checksum. (default: %d) - - -s STATESIZE - --statesize The state size to use for checksum. (default: %d) - - -i ITERATIONS - --iterations The number of hash iterations to run. (default: %d) - - -j SQUEEZES - --squeezes The number of hash squeezes to run. (default: %d) - - -x - --hex Read the input in hexadecimal, rather than binary. - - -b - --binary Print the checksum in binary, rather than hexadecimal. - - -m - --multi Print the checksum at all iterations. - - -COPYRIGHT: - -Copyright © 2013, 2014 Mattias Andrée (maandree@member.fsf.org) - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU Affero General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Affero General Public License for more details. - -You should have received a copy of the GNU Affero General Public License -along with this program. If not, see . - -''' % (_r, _c, _w, _o, _s, _i, _j)).encode('utf-8')) - sys.stderr.buffer.flush() - exit(0) - else: - if linger[1] is None: - linger[1] = arg - arg = None - if linger[0] in ('-r', '--bitrate'): - R = int(linger[1]) - elif linger[0] in ('-c', '--capacity'): - C = int(linger[1]) - elif linger[0] in ('-w', '--wordsize'): - W = int(linger[1]) - elif linger[0] in ('-o', '--outputsize'): - O = int(linger[1]) - elif linger[0] in ('-s', '--statesize'): - S = int(linger[1]) - elif linger[0] in ('-i', '--iterations'): - I = int(linger[1]) - elif linger[0] in ('-j', '--squeezes'): - J = int(linger[1]) - else: - printerr(sys.argv[0] + ': unrecognised option: ' + linger[0]) - sys.exit(1) - linger = None - if arg is None: - continue - if arg is None: - continue - if dashed: - files.append(None if arg == '-' else arg) - elif arg == '--': - dashed = True - elif arg == '-': - files.append(None) - elif arg.startswith('--'): - if '=' in arg: - linger = (arg[:arg.find('=')], arg[arg.find('=') + 1:]) - else: - if arg == '--binary': - binary = True - elif arg == '--multi': - multi += 1 - elif arg == '--hex': - hex = True - else: - linger = [arg, None] - elif arg.startswith('-'): - arg = arg[1:] - if arg[0] == 'b': - binary = True - arg = arg[1:] - elif arg[0] == 'b': - multi += 1 - arg = arg[1:] - elif arg[0] == 'x': - hex = True - arg = arg[1:] - elif len(arg) == 1: - linger = ['-' + arg, None] - else: - linger = ['-' + arg[0], arg[1:]] - else: - files.append(arg) - - - i = _i if I is None else I - j = _j if J is None else J - - - if S is not None: - s = S - if ((s <= 0) or (s > 1600) or (s % 25 != 0)): - printerr(cmd + ': the state size must be a positive multiple of 25 and is limited to 1600.') - sys.exit(6) - - if W is not None: - w = W - if (w <= 0) or (w > 64): - printerr(cmd + ': the word size must be positive and is limited to 64.') - sys.exit(6) - if (S is not None) and (s != w * 25): - printerr(cmd + ': the state size must be 25 times of the word size.') - sys.exit(6) - elif S is None: - S = w * 25 - - if C is not None: - c = C - if (c <= 0) or ((c & 7) != 0): - printerr(cmd + ': the capacity must be a positive multiple of 8.') - sys.exit(6) - - if R is not None: - r = R - if (r <= 0) or ((r & 7) != 0): - printerr(cmd + ': the bitrate must be a positive multiple of 8.') - sys.exit(6) - - if O is not None: - o = O - if o <= 0: - printerr(cmd + ': the output size must be positive.') - sys.exit(6) - - - if (R is None) and (C is None) and (O is None): ## s? - s = _s if S is None else s - o = (((s << 5) // 100 + 7) >> 3) << 3 - r = o << 1 - c = s - r - o = 8 if o < 8 else o - elif (R is None) and (C is None): ## !o s? - r = _r - c = _c - s = (r + c) if S is None else s - elif R is None: ## !c o? s? - s = _s if S is None else s - r = s - c - o = (8 if c == 8 else (c << 1)) if O is None else o - elif C is None: ## !r o? s? - s = _s if S is None else s - c = s - r - o = (8 if c == 8 else (c << 1)) if O is None else o - else: ## !r !c o? s? - s = (r + c) if S is None else s - o = (8 if c == 8 else (c << 1)) if O is None else o - - - printerr('Bitrate: %d' % r) - printerr('Capacity: %d' % c) - printerr('Word size: %d' % w) - printerr('State size: %d' % s) - printerr('Output size: %d' % o) - printerr('Iterations: %d' % i) - printerr('Squeezes: %d' % j) - - - if r > s: - printerr(cmd + ': the bitrate must not be higher than the state size.') - sys.exit(6) - if c > s: - printerr(cmd + ': the capacity must not be higher than the state size.') - sys.exit(6) - if r + c != s: - printerr(cmd + ': the sum of the bitrate and the capacity must equal the state size.') - sys.exit(6) - - - if len(files) == 0: - files.append(None) - if i < 1: - printerr(cmd + ': sorry, I will only do at least one hash iteration!\n') - sys.exit(3) - if j < 1: - printerr(cmd + ': sorry, I will only do at least one squeeze iteration!\n') - sys.exit(3) - stdin = None - fail = False - sha = SHA3() - for filename in files: - rc = '' - fn = '/dev/stdin' if filename is None else filename - with open(fn, 'rb') as file: - try: - if (filename is not None) or (stdin is None): - sha.initialise(r, c, o) - blksize = 4096 - try: - blksize = os.stat(os.path.realpath(fn)).st_blksize - if blksize <= 0: - blksize = 4096 - except: - pass - while True: - chunk = [ord(b) for b in file.read(blksize)] - if len(chunk) == 0: - break - if not hex: - sha.update(chunk) - else: - n = len(chunk) >> 1 - for _ in range(n): - (a, b) = (chunk[_ << 1], chunk[(_ << 1 | 1)]) - a = ((a & 15) + (0 if a <= '9' else 9)) << 4 - b = (b & 15) + (0 if b <= '9' else 0) - chunk[_] = a | b - sha.update(chunk, n) - bs = sha.digest(withReturn = j == 1) - if j > 2: - sha.fastSqueeze(j - 2) - if j > 1: - bs = sha.squeeze(); - if filename is None: - stdin = bs - else: - bs = stdin - if multi == 0: - for _ in range(i - 1): - sha.initialise(r, c, o) - bs = sha.digest(bs, withReturn = j == 1) - if j > 2: - sha.fastSqueeze(j - 2) - if j > 1: - bs = sha.squeeze(); - if binary: - write(bs) - else: - for b in bs: - rc += "0123456789ABCDEF"[b >> 4] - rc += "0123456789ABCDEF"[b & 15] - rc += ' ' + ('-' if filename is None else filename) + '\n' - write(rc.encode('utf-8')) - elif multi == 1: - if binary: - write(bs) - else: - for b in bs: - rc += "0123456789ABCDEF"[b >> 4] - rc += "0123456789ABCDEF"[b & 15] - rc += '\n' - write(rc.encode('UTF-8')) - for _ in range(i - 1): - sha.initialise(r, c, o) - bs = sha.digest(bs, j == 1) - if j > 2: - sha.fastSqueeze(j - 2) - if j > 1: - bs = sha.squeeze(); - if binary: - write(bs); - else: - rc = '' - for b in bs: - rc += "0123456789ABCDEF"[b >> 4] - rc += "0123456789ABCDEF"[b & 15] - rc += '\n' - write(rc.encode('UTF-8')) - else: - got = set() - loop = None - for _ in range(i): - if _ > 0: - pass - rc = '' - for b in bs: - rc += "0123456789ABCDEF"[b >> 4] - rc += "0123456789ABCDEF"[b & 15] - if loop is None: - if rc in got: - loop = rc - else: - got.add(rc) - if loop == rc: - rc = '\033[31m%s\033[00m' % rc; - write(rc.encode('utf-8')) - flush() - if loop is not None: - printerr('\033[01;31mLoop found\033[00m') - flush() - except Exception as err: - printerr(cmd + ': cannot read file: ' + fn + ': ' + str(err)) - fail = True - flush() - if fail: - sys.exit(5) - -- cgit v1.2.3-70-g09d2