1 #!/usr/local/bin/python2
3 # Copyright (c) 2014 The FreeBSD Foundation
4 # Copyright 2014 John-Mark Gurney
7 # This software was developed by John-Mark Gurney under
8 # the sponsorship from the FreeBSD Foundation.
9 # Redistribution and use in source and binary forms, with or without
10 # modification, are permitted provided that the following conditions
12 # 1. Redistributions of source code must retain the above copyright
13 # notice, this list of conditions and the following disclaimer.
14 # 2. Redistributions in binary form must reproduce the above copyright
15 # notice, this list of conditions and the following disclaimer in the
16 # documentation and/or other materials provided with the distribution.
18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 from __future__ import print_function
36 from fcntl import ioctl
40 from struct import pack as _pack
46 from cryptodevh import *
48 __all__ = [ 'Crypto', 'MismatchError', ]
50 class FindOp(dpkt.Packet):
57 class SessionOp(dpkt.Packet):
64 ('mackeylen', 'i', 0),
69 class SessionOp2(dpkt.Packet):
76 ('mackeylen', 'i', 0),
86 class CryptOp(dpkt.Packet):
99 class CryptAEAD(dpkt.Packet):
115 # h2py.py can't handle multiarg macros
117 CIOCGSESSION = 3224396645
118 CIOCGSESSION2 = 3225445226
119 CIOCFSESSION = 2147771238
120 CIOCCRYPT = 3224396647
122 CIOCASYMFEAT = 1074029417
123 CIOCKEY2 = 3230688107
124 CIOCFINDDEV = 3223610220
125 CIOCCRYPTAEAD = 3225445229
128 buf = array.array('I', [0])
129 fd = os.open('/dev/crypto', os.O_RDWR)
131 ioctl(fd, CRIOGET, buf, 1)
137 _cryptodev = _getdev()
139 def str_to_ascii(val):
140 if sys.version_info[0] >= 3:
141 if isinstance(val, str):
142 return val.encode("ascii")
145 def _findop(crid, name):
148 fop.name = str_to_ascii(name)
149 s = array.array('B', fop.pack_hdr())
150 ioctl(_cryptodev, CIOCFINDDEV, s, 1)
154 idx = fop.name.index(b'\x00')
155 name = fop.name[:idx]
159 return fop.crid, name
161 def array_tobytes(array_obj):
162 if sys.version_info[:2] >= (3, 2):
163 return array_obj.tobytes()
164 return array_obj.tostring()
169 return _findop(-1, name)[0]
172 def getcridname(crid):
173 return _findop(crid, '')[1]
175 def __init__(self, cipher=0, key=None, mac=0, mackey=None,
176 crid=CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE, maclen=None):
178 self._maclen = maclen
184 ses.keylen = len(key)
185 k = array.array('B', key)
186 ses.key = k.buffer_info()[0]
190 if mackey is not None:
191 ses.mackeylen = len(mackey)
192 mk = array.array('B', mackey)
193 ses.mackey = mk.buffer_info()[0]
195 if not cipher and not mac:
196 raise ValueError('one of cipher or mac MUST be specified.')
199 s = array.array('B', ses.pack_hdr())
201 ioctl(_cryptodev, CIOCGSESSION2, s, 1)
207 if self._ses is None:
211 ioctl(_cryptodev, CIOCFSESSION, _pack('I', self._ses))
216 def _doop(self, op, src, iv):
222 s = array.array('B', src)
223 cop.src = cop.dst = s.buffer_info()[0]
224 if self._maclen is not None:
225 m = array.array('B', [0] * self._maclen)
226 cop.mac = m.buffer_info()[0]
227 ivbuf = array.array('B', str_to_ascii(iv))
228 cop.iv = ivbuf.buffer_info()[0]
231 ioctl(_cryptodev, CIOCCRYPT, bytes(cop))
234 if self._maclen is not None:
235 return s, array_tobytes(m)
239 def _doaead(self, op, src, aad, iv, tag=None):
241 caead.ses = self._ses
243 caead.flags = CRD_F_IV_EXPLICIT
245 src = str_to_ascii(src)
247 s = array.array('B', src)
248 caead.src = caead.dst = s.buffer_info()[0]
249 caead.aadlen = len(aad)
250 saad = array.array('B', aad)
251 caead.aad = saad.buffer_info()[0]
253 if self._maclen is None:
254 raise ValueError('must have a tag length')
256 tag = str_to_ascii(tag)
258 tag = array.array('B', [0] * self._maclen)
260 assert len(tag) == self._maclen, \
261 '%d != %d' % (len(tag), self._maclen)
262 tag = array.array('B', tag)
264 caead.tag = tag.buffer_info()[0]
266 ivbuf = array.array('B', iv)
267 caead.ivlen = len(iv)
268 caead.iv = ivbuf.buffer_info()[0]
270 ioctl(_cryptodev, CIOCCRYPTAEAD, bytes(caead))
274 return s, array_tobytes(tag)
276 def perftest(self, op, size, timeo=3):
277 inp = array.array('B', (random.randint(0, 255) for x in range(size)))
278 inp = str_to_ascii(inp)
279 out = array.array('B', inp)
287 s = array.array('B', inp)
288 cop.src = s.buffer_info()[0]
289 cop.dst = out.buffer_info()[0]
290 if self._maclen is not None:
291 m = array.array('B', [0] * self._maclen)
292 cop.mac = m.buffer_info()[0]
293 ivbuf = array.array('B', (random.randint(0, 255) for x in range(16)))
294 cop.iv = ivbuf.buffer_info()[0]
297 def alarmhandle(a, b, exit=exit):
300 oldalarm = signal.signal(signal.SIGALRM, alarmhandle)
307 ioctl(_cryptodev, CIOCCRYPT, cop)
312 signal.signal(signal.SIGALRM, oldalarm)
314 print('time:', end - start)
315 print('perf MB/sec:', (reps * size) / (end - start) / 1024 / 1024)
317 def encrypt(self, data, iv, aad=None):
319 return self._doop(COP_ENCRYPT, data, iv)
321 return self._doaead(COP_ENCRYPT, data, aad,
324 def decrypt(self, data, iv, aad=None, tag=None):
326 return self._doop(COP_DECRYPT, data, iv)
328 return self._doaead(COP_DECRYPT, data, aad,
331 class MismatchError(Exception):
335 def __init__(self, fname, fields):
336 self.fields = set(fields)
342 self.fp = open(self.fname)
345 def __exit__(self, exc_type, exc_value, exc_tb):
346 if self.fp is not None:
355 if self._pending is not None:
359 i = self.fp.readline()
362 if didread and not i:
365 if not i.startswith('#') and i.strip():
369 yield i[1:].split(']', 1)[0], self.fielditer()
371 raise ValueError('unknown line: %r' % repr(i))
375 line = self.fp.readline()
389 line = self.eatblanks()
390 if not line or line[0] == '[':
396 f, v = line.split(' =')
401 print('line:', repr(line))
406 raise ValueError('already present: %r' % repr(f))
408 line = self.fp.readline().strip()
412 # we should have everything
413 remain = self.fields.copy() - set(values.keys())
414 # XXX - special case GCM decrypt
415 if remain and not ('FAIL' in values and 'PT' in remain):
416 raise ValueError('not all fields found: %r' % repr(remain))
420 # The CCM files use a bit of a different syntax that doesn't quite fit
421 # the generic KATParser. In particular, some keys are set globally at
422 # the start of the file, and some are set globally at the start of a
425 def __init__(self, fname):
431 self.fp = open(self.fname)
435 def __exit__(self, exc_type, exc_value, exc_tb):
436 if self.fp is not None:
439 def read_globals(self):
440 self.global_values = {}
442 line = self.fp.readline()
445 if line[0] == '#' or not line.strip():
452 f, v = line.split(' =')
454 print('line:', repr(line))
459 if f in self.global_values:
460 raise ValueError('already present: %r' % repr(f))
461 self.global_values[f] = v
463 def read_section_values(self, kwpairs):
464 self.section_values = self.global_values.copy()
465 for pair in kwpairs.split(', '):
466 f, v = pair.split(' = ')
467 if f in self.section_values:
468 raise ValueError('already present: %r' % repr(f))
469 self.section_values[f] = v
472 line = self.fp.readline()
475 if line[0] == '#' or not line.strip():
482 f, v = line.split(' =')
484 print('line:', repr(line))
493 if f in self.section_values:
494 raise ValueError('already present: %r' % repr(f))
495 self.section_values[f] = v
506 line = self.fp.readline()
510 if (line and line[0] == '#') or not line.strip():
514 section = line[1:].split(']', 1)[0]
515 self.read_section_values(section)
518 values = self.section_values.copy()
522 f, v = line.split(' =')
524 print('line:', repr(line))
529 raise ValueError('already present: %r' % repr(f))
531 line = self.fp.readline().strip()
538 return binascii.hexlify(''.join(s.split()))
540 if sys.version_info[0] < 3:
541 KATCCMParser.next = KATCCMParser.__next__
542 KATParser.next = KATParser.__next__
544 if __name__ == '__main__':
547 crid = Crypto.findcrid('aesni0')
548 print('aesni:', crid)
550 print('aesni0 not found')
554 name = Crypto.getcridname(i)
555 print('%2d: %r' % (i, repr(name)))
559 columns = [ 'COUNT', 'DataUnitLen', 'Key', 'DataUnitSeqNumber', 'PT', 'CT' ]
560 fname = '/usr/home/jmg/aesni.testing/format tweak value input - data unit seq no/XTSGenAES128.rsp'
561 with KATParser(fname, columns) as kp:
567 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
568 iv = _spdechex('00000000000000000000000000000001')
569 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e')
570 #pt = _spdechex('00000000000000000000000000000000')
571 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef')
573 c = Crypto(CRYPTO_AES_ICM, key)
574 enc = c.encrypt(pt, iv)
576 print('enc:', binascii.hexlify(enc))
577 print(' ct:', binascii.hexlify(ct))
581 dec = c.decrypt(ct, iv)
583 print('dec:', binascii.hexlify(dec))
584 print(' pt:', binascii.hexlify(pt))
588 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
589 iv = _spdechex('00000000000000000000000000000001')
590 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
591 #pt = _spdechex('00000000000000000000000000000000')
592 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef3768')
594 c = Crypto(CRYPTO_AES_ICM, key)
595 enc = c.encrypt(pt, iv)
597 print('enc:', binascii.hexlify(enc))
598 print(' ct:', binascii.hexlify(ct))
602 dec = c.decrypt(ct, iv)
604 print('dec:', binascii.hexlify(dec))
605 print(' pt:', binascii.hexlify(pt))
609 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
610 iv = _spdechex('6eba2716ec0bd6fa5cdef5e6d3a795bc')
611 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
612 ct = _spdechex('f1f81f12e72e992dbdc304032705dc75dc3e4180eff8ee4819906af6aee876d5b00b7c36d282a445ce3620327be481e8e53a8e5a8e5ca9abfeb2281be88d12ffa8f46d958d8224738c1f7eea48bda03edbf9adeb900985f4fa25648b406d13a886c25e70cfdecdde0ad0f2991420eb48a61c64fd797237cf2798c2675b9bb744360b0a3f329ac53bbceb4e3e7456e6514f1a9d2f06c236c31d0f080b79c15dce1096357416602520daa098b17d1af427')
613 c = Crypto(CRYPTO_AES_CBC, key)
615 enc = c.encrypt(pt, iv)
617 print('enc:', binascii.hexlify(enc))
618 print(' ct:', binascii.hexlify(ct))
622 dec = c.decrypt(ct, iv)
624 print('dec:', binascii.hexlify(dec))
625 print(' pt:', binascii.hexlify(pt))
629 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
630 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
631 pt = _spdechex('c3b3c41f113a31b73d9a5cd4321030')
632 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
633 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
634 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa73')
635 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
636 tag = _spdechex('8d11a0929cb3fbe1fef01a4a38d5f8ea')
638 c = Crypto(CRYPTO_AES_NIST_GCM_16, key,
639 mac=CRYPTO_AES_128_NIST_GMAC, mackey=key)
641 enc, enctag = c.encrypt(pt, iv, aad=aad)
643 print('enc:', binascii.hexlify(enc))
644 print(' ct:', binascii.hexlify(ct))
648 print('etg:', binascii.hexlify(enctag))
649 print('tag:', binascii.hexlify(tag))
652 # Make sure we get EBADMSG
653 #enctag = enctag[:-1] + 'a'
654 dec, dectag = c.decrypt(ct, iv, aad=aad, tag=enctag)
656 print('dec:', binascii.hexlify(dec))
657 print(' pt:', binascii.hexlify(pt))
661 print('dtg:', binascii.hexlify(dectag))
662 print('tag:', binascii.hexlify(tag))
666 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
667 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
670 pt = _spdechex('c3b3c41f113a31b73d9a5cd432103069')
671 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
672 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
673 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
675 c = Crypto(CRYPTO_AES_GCM_16, key, mac=CRYPTO_AES_128_GMAC, mackey=key)
677 enc, enctag = c.encrypt(pt, iv, aad=aad)
679 print('enc:', binascii.hexlify(enc))
680 print(' ct:', binascii.hexlify(ct))
684 print('etg:', binascii.hexlify(enctag))
685 print('tag:', binascii.hexlify(tag))
688 for i in range(100000):
689 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
690 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
691 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
692 iv = _pack('QQ', 71, 0)
694 enc = c.encrypt(data, iv)
697 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
698 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
699 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
700 iv = _pack('QQ', 71, 0)
702 enc = c.encrypt(data, iv)
705 dec = c.decrypt(enc, iv)
708 #c.perftest(COP_ENCRYPT, 192*1024, reps=30000)
711 key = binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382')
712 print('XTS %d testing:' % (len(key) * 8))
713 c = Crypto(CRYPTO_AES_XTS, key)
714 for i in [ 8192, 192*1024]:
715 print('block size: %d' % i)
716 c.perftest(COP_ENCRYPT, i)
717 c.perftest(COP_DECRYPT, i)