1 #!/usr/local/bin/python2
3 # Copyright (c) 2014 The FreeBSD Foundation
4 # Copyright 2014 John-Mark Gurney
6 # Copyright 2019 Enji Cooper
8 # This software was developed by John-Mark Gurney under
9 # the sponsorship from the FreeBSD Foundation.
10 # Redistribution and use in source and binary forms, with or without
11 # modification, are permitted provided that the following conditions
13 # 1. Redistributions of source code must retain the above copyright
14 # notice, this list of conditions and the following disclaimer.
15 # 2. Redistributions in binary form must reproduce the above copyright
16 # notice, this list of conditions and the following disclaimer in the
17 # documentation and/or other materials provided with the distribution.
19 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 from __future__ import print_function
37 from fcntl import ioctl
41 from struct import pack as _pack
47 from cryptodevh import *
49 __all__ = [ 'Crypto', 'MismatchError', ]
51 class FindOp(dpkt.Packet):
58 class SessionOp(dpkt.Packet):
65 ('mackeylen', 'i', 0),
70 class SessionOp2(dpkt.Packet):
77 ('mackeylen', 'i', 0),
87 class CryptOp(dpkt.Packet):
100 class CryptAEAD(dpkt.Packet):
116 # h2py.py can't handle multiarg macros
118 CIOCGSESSION = 3224396645
119 CIOCGSESSION2 = 3225445226
120 CIOCFSESSION = 2147771238
121 CIOCCRYPT = 3224396647
123 CIOCASYMFEAT = 1074029417
124 CIOCKEY2 = 3230688107
125 CIOCFINDDEV = 3223610220
126 CIOCCRYPTAEAD = 3225445229
129 buf = array.array('I', [0])
130 fd = os.open('/dev/crypto', os.O_RDWR)
132 ioctl(fd, CRIOGET, buf, 1)
138 _cryptodev = _getdev()
140 def str_to_ascii(val):
141 if sys.version_info[0] >= 3:
142 if isinstance(val, str):
143 return val.encode("ascii")
146 def _findop(crid, name):
149 fop.name = str_to_ascii(name)
150 s = array.array('B', fop.pack_hdr())
151 ioctl(_cryptodev, CIOCFINDDEV, s, 1)
155 idx = fop.name.index(b'\x00')
156 name = fop.name[:idx]
160 return fop.crid, name
162 def array_tobytes(array_obj):
163 if sys.version_info[:2] >= (3, 2):
164 return array_obj.tobytes()
165 return array_obj.tostring()
170 return _findop(-1, name)[0]
173 def getcridname(crid):
174 return _findop(crid, '')[1]
176 def __init__(self, cipher=0, key=None, mac=0, mackey=None,
177 crid=CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE, maclen=None):
179 self._maclen = maclen
185 ses.keylen = len(key)
186 k = array.array('B', key)
187 ses.key = k.buffer_info()[0]
191 if mackey is not None:
192 ses.mackeylen = len(mackey)
193 mk = array.array('B', mackey)
194 ses.mackey = mk.buffer_info()[0]
196 if not cipher and not mac:
197 raise ValueError('one of cipher or mac MUST be specified.')
200 s = array.array('B', ses.pack_hdr())
202 ioctl(_cryptodev, CIOCGSESSION2, s, 1)
208 if self._ses is None:
212 ioctl(_cryptodev, CIOCFSESSION, _pack('I', self._ses))
217 def _doop(self, op, src, iv):
223 s = array.array('B', src)
224 cop.src = cop.dst = s.buffer_info()[0]
225 if self._maclen is not None:
226 m = array.array('B', [0] * self._maclen)
227 cop.mac = m.buffer_info()[0]
228 ivbuf = array.array('B', str_to_ascii(iv))
229 cop.iv = ivbuf.buffer_info()[0]
232 ioctl(_cryptodev, CIOCCRYPT, bytes(cop))
235 if self._maclen is not None:
236 return s, array_tobytes(m)
240 def _doaead(self, op, src, aad, iv, tag=None):
242 caead.ses = self._ses
244 caead.flags = CRD_F_IV_EXPLICIT
246 src = str_to_ascii(src)
248 s = array.array('B', src)
249 caead.src = caead.dst = s.buffer_info()[0]
250 aad = str_to_ascii(aad)
251 caead.aadlen = len(aad)
252 saad = array.array('B', aad)
253 caead.aad = saad.buffer_info()[0]
255 if self._maclen is None:
256 raise ValueError('must have a tag length')
258 tag = str_to_ascii(tag)
260 tag = array.array('B', [0] * self._maclen)
262 assert len(tag) == self._maclen, \
263 '%d != %d' % (len(tag), self._maclen)
264 tag = array.array('B', tag)
266 caead.tag = tag.buffer_info()[0]
268 ivbuf = array.array('B', iv)
269 caead.ivlen = len(iv)
270 caead.iv = ivbuf.buffer_info()[0]
272 ioctl(_cryptodev, CIOCCRYPTAEAD, bytes(caead))
276 return s, array_tobytes(tag)
278 def perftest(self, op, size, timeo=3):
279 inp = array.array('B', (random.randint(0, 255) for x in range(size)))
280 inp = str_to_ascii(inp)
281 out = array.array('B', inp)
289 s = array.array('B', inp)
290 cop.src = s.buffer_info()[0]
291 cop.dst = out.buffer_info()[0]
292 if self._maclen is not None:
293 m = array.array('B', [0] * self._maclen)
294 cop.mac = m.buffer_info()[0]
295 ivbuf = array.array('B', (random.randint(0, 255) for x in range(16)))
296 cop.iv = ivbuf.buffer_info()[0]
299 def alarmhandle(a, b, exit=exit):
302 oldalarm = signal.signal(signal.SIGALRM, alarmhandle)
309 ioctl(_cryptodev, CIOCCRYPT, cop)
314 signal.signal(signal.SIGALRM, oldalarm)
316 print('time:', end - start)
317 print('perf MB/sec:', (reps * size) / (end - start) / 1024 / 1024)
319 def encrypt(self, data, iv, aad=None):
321 return self._doop(COP_ENCRYPT, data, iv)
323 return self._doaead(COP_ENCRYPT, data, aad,
326 def decrypt(self, data, iv, aad=None, tag=None):
328 return self._doop(COP_DECRYPT, data, iv)
330 return self._doaead(COP_DECRYPT, data, aad,
333 class MismatchError(Exception):
337 def __init__(self, fname, fields):
338 self.fields = set(fields)
344 self.fp = open(self.fname)
347 def __exit__(self, exc_type, exc_value, exc_tb):
348 if self.fp is not None:
357 if self._pending is not None:
361 i = self.fp.readline()
364 if didread and not i:
367 if not i.startswith('#') and i.strip():
371 yield i[1:].split(']', 1)[0], self.fielditer()
373 raise ValueError('unknown line: %r' % repr(i))
377 line = self.fp.readline()
391 line = self.eatblanks()
392 if not line or line[0] == '[':
398 f, v = line.split(' =')
403 print('line:', repr(line))
408 raise ValueError('already present: %r' % repr(f))
410 line = self.fp.readline().strip()
414 # we should have everything
415 remain = self.fields.copy() - set(values.keys())
416 # XXX - special case GCM decrypt
417 if remain and not ('FAIL' in values and 'PT' in remain):
418 raise ValueError('not all fields found: %r' % repr(remain))
422 # The CCM files use a bit of a different syntax that doesn't quite fit
423 # the generic KATParser. In particular, some keys are set globally at
424 # the start of the file, and some are set globally at the start of a
427 def __init__(self, fname):
433 self.fp = open(self.fname)
437 def __exit__(self, exc_type, exc_value, exc_tb):
438 if self.fp is not None:
441 def read_globals(self):
442 self.global_values = {}
444 line = self.fp.readline()
447 if line[0] == '#' or not line.strip():
454 f, v = line.split(' =')
456 print('line:', repr(line))
461 if f in self.global_values:
462 raise ValueError('already present: %r' % repr(f))
463 self.global_values[f] = v
465 def read_section_values(self, kwpairs):
466 self.section_values = self.global_values.copy()
467 for pair in kwpairs.split(', '):
468 f, v = pair.split(' = ')
469 if f in self.section_values:
470 raise ValueError('already present: %r' % repr(f))
471 self.section_values[f] = v
474 line = self.fp.readline()
477 if line[0] == '#' or not line.strip():
484 f, v = line.split(' =')
486 print('line:', repr(line))
495 if f in self.section_values:
496 raise ValueError('already present: %r' % repr(f))
497 self.section_values[f] = v
508 line = self.fp.readline()
512 if (line and line[0] == '#') or not line.strip():
516 section = line[1:].split(']', 1)[0]
517 self.read_section_values(section)
520 values = self.section_values.copy()
524 f, v = line.split(' =')
526 print('line:', repr(line))
531 raise ValueError('already present: %r' % repr(f))
533 line = self.fp.readline().strip()
540 return binascii.hexlify(''.join(s.split()))
542 if sys.version_info[0] < 3:
543 KATCCMParser.next = KATCCMParser.__next__
544 KATParser.next = KATParser.__next__
546 if __name__ == '__main__':
549 crid = Crypto.findcrid('aesni0')
550 print('aesni:', crid)
552 print('aesni0 not found')
556 name = Crypto.getcridname(i)
557 print('%2d: %r' % (i, repr(name)))
561 columns = [ 'COUNT', 'DataUnitLen', 'Key', 'DataUnitSeqNumber', 'PT', 'CT' ]
562 fname = '/usr/home/jmg/aesni.testing/format tweak value input - data unit seq no/XTSGenAES128.rsp'
563 with KATParser(fname, columns) as kp:
569 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
570 iv = _spdechex('00000000000000000000000000000001')
571 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e')
572 #pt = _spdechex('00000000000000000000000000000000')
573 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef')
575 c = Crypto(CRYPTO_AES_ICM, key)
576 enc = c.encrypt(pt, iv)
578 print('enc:', binascii.hexlify(enc))
579 print(' ct:', binascii.hexlify(ct))
583 dec = c.decrypt(ct, iv)
585 print('dec:', binascii.hexlify(dec))
586 print(' pt:', binascii.hexlify(pt))
590 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
591 iv = _spdechex('00000000000000000000000000000001')
592 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
593 #pt = _spdechex('00000000000000000000000000000000')
594 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef3768')
596 c = Crypto(CRYPTO_AES_ICM, key)
597 enc = c.encrypt(pt, iv)
599 print('enc:', binascii.hexlify(enc))
600 print(' ct:', binascii.hexlify(ct))
604 dec = c.decrypt(ct, iv)
606 print('dec:', binascii.hexlify(dec))
607 print(' pt:', binascii.hexlify(pt))
611 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
612 iv = _spdechex('6eba2716ec0bd6fa5cdef5e6d3a795bc')
613 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
614 ct = _spdechex('f1f81f12e72e992dbdc304032705dc75dc3e4180eff8ee4819906af6aee876d5b00b7c36d282a445ce3620327be481e8e53a8e5a8e5ca9abfeb2281be88d12ffa8f46d958d8224738c1f7eea48bda03edbf9adeb900985f4fa25648b406d13a886c25e70cfdecdde0ad0f2991420eb48a61c64fd797237cf2798c2675b9bb744360b0a3f329ac53bbceb4e3e7456e6514f1a9d2f06c236c31d0f080b79c15dce1096357416602520daa098b17d1af427')
615 c = Crypto(CRYPTO_AES_CBC, key)
617 enc = c.encrypt(pt, iv)
619 print('enc:', binascii.hexlify(enc))
620 print(' ct:', binascii.hexlify(ct))
624 dec = c.decrypt(ct, iv)
626 print('dec:', binascii.hexlify(dec))
627 print(' pt:', binascii.hexlify(pt))
631 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
632 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
633 pt = _spdechex('c3b3c41f113a31b73d9a5cd4321030')
634 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
635 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
636 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa73')
637 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
638 tag = _spdechex('8d11a0929cb3fbe1fef01a4a38d5f8ea')
640 c = Crypto(CRYPTO_AES_NIST_GCM_16, key,
641 mac=CRYPTO_AES_128_NIST_GMAC, mackey=key)
643 enc, enctag = c.encrypt(pt, iv, aad=aad)
645 print('enc:', binascii.hexlify(enc))
646 print(' ct:', binascii.hexlify(ct))
650 print('etg:', binascii.hexlify(enctag))
651 print('tag:', binascii.hexlify(tag))
654 # Make sure we get EBADMSG
655 #enctag = enctag[:-1] + 'a'
656 dec, dectag = c.decrypt(ct, iv, aad=aad, tag=enctag)
658 print('dec:', binascii.hexlify(dec))
659 print(' pt:', binascii.hexlify(pt))
663 print('dtg:', binascii.hexlify(dectag))
664 print('tag:', binascii.hexlify(tag))
668 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
669 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
672 pt = _spdechex('c3b3c41f113a31b73d9a5cd432103069')
673 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
674 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
675 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
677 c = Crypto(CRYPTO_AES_GCM_16, key, mac=CRYPTO_AES_128_GMAC, mackey=key)
679 enc, enctag = c.encrypt(pt, iv, aad=aad)
681 print('enc:', binascii.hexlify(enc))
682 print(' ct:', binascii.hexlify(ct))
686 print('etg:', binascii.hexlify(enctag))
687 print('tag:', binascii.hexlify(tag))
690 for i in range(100000):
691 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
692 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
693 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
694 iv = _pack('QQ', 71, 0)
696 enc = c.encrypt(data, iv)
699 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
700 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
701 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
702 iv = _pack('QQ', 71, 0)
704 enc = c.encrypt(data, iv)
707 dec = c.decrypt(enc, iv)
710 #c.perftest(COP_ENCRYPT, 192*1024, reps=30000)
713 key = binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382')
714 print('XTS %d testing:' % (len(key) * 8))
715 c = Crypto(CRYPTO_AES_XTS, key)
716 for i in [ 8192, 192*1024]:
717 print('block size: %d' % i)
718 c.perftest(COP_ENCRYPT, i)
719 c.perftest(COP_DECRYPT, i)