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
43 from cryptodevh import *
45 __all__ = [ 'Crypto', 'MismatchError', ]
47 class FindOp(dpkt.Packet):
54 class SessionOp(dpkt.Packet):
61 ('mackeylen', 'i', 0),
66 class SessionOp2(dpkt.Packet):
73 ('mackeylen', 'i', 0),
83 class CryptOp(dpkt.Packet):
96 class CryptAEAD(dpkt.Packet):
112 # h2py.py can't handle multiarg macros
114 CIOCGSESSION = 3224396645
115 CIOCGSESSION2 = 3225445226
116 CIOCFSESSION = 2147771238
117 CIOCCRYPT = 3224396647
119 CIOCASYMFEAT = 1074029417
120 CIOCKEY2 = 3230688107
121 CIOCFINDDEV = 3223610220
122 CIOCCRYPTAEAD = 3225445229
125 buf = array.array('I', [0])
126 fd = os.open('/dev/crypto', os.O_RDWR)
128 ioctl(fd, CRIOGET, buf, 1)
134 _cryptodev = _getdev()
136 def _findop(crid, name):
140 s = array.array('B', fop.pack_hdr())
141 ioctl(_cryptodev, CIOCFINDDEV, s, 1)
145 idx = fop.name.index('\x00')
146 name = fop.name[:idx]
150 return fop.crid, name
155 return _findop(-1, name)[0]
158 def getcridname(crid):
159 return _findop(crid, '')[1]
161 def __init__(self, cipher=0, key=None, mac=0, mackey=None,
162 crid=CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE, maclen=None):
164 self._maclen = maclen
170 ses.keylen = len(key)
171 k = array.array('B', key)
172 ses.key = k.buffer_info()[0]
176 if mackey is not None:
177 ses.mackeylen = len(mackey)
178 mk = array.array('B', mackey)
179 ses.mackey = mk.buffer_info()[0]
181 if not cipher and not mac:
182 raise ValueError('one of cipher or mac MUST be specified.')
185 s = array.array('B', ses.pack_hdr())
187 ioctl(_cryptodev, CIOCGSESSION2, s, 1)
193 if self._ses is None:
197 ioctl(_cryptodev, CIOCFSESSION, _pack('I', self._ses))
202 def _doop(self, op, src, iv):
208 s = array.array('B', src)
209 cop.src = cop.dst = s.buffer_info()[0]
210 if self._maclen is not None:
211 m = array.array('B', [0] * self._maclen)
212 cop.mac = m.buffer_info()[0]
213 ivbuf = array.array('B', iv)
214 cop.iv = ivbuf.buffer_info()[0]
217 ioctl(_cryptodev, CIOCCRYPT, str(cop))
220 if self._maclen is not None:
221 return s, m.tostring()
225 def _doaead(self, op, src, aad, iv, tag=None):
227 caead.ses = self._ses
229 caead.flags = CRD_F_IV_EXPLICIT
232 s = array.array('B', src)
233 caead.src = caead.dst = s.buffer_info()[0]
234 caead.aadlen = len(aad)
235 saad = array.array('B', aad)
236 caead.aad = saad.buffer_info()[0]
238 if self._maclen is None:
239 raise ValueError('must have a tag length')
242 tag = array.array('B', [0] * self._maclen)
244 assert len(tag) == self._maclen, \
245 '%d != %d' % (len(tag), self._maclen)
246 tag = array.array('B', tag)
248 caead.tag = tag.buffer_info()[0]
250 ivbuf = array.array('B', iv)
251 caead.ivlen = len(iv)
252 caead.iv = ivbuf.buffer_info()[0]
254 ioctl(_cryptodev, CIOCCRYPTAEAD, str(caead))
258 return s, tag.tostring()
260 def perftest(self, op, size, timeo=3):
261 inp = array.array('B', (random.randint(0, 255) for x in xrange(size)))
262 out = array.array('B', inp)
270 s = array.array('B', inp)
271 cop.src = s.buffer_info()[0]
272 cop.dst = out.buffer_info()[0]
273 if self._maclen is not None:
274 m = array.array('B', [0] * self._maclen)
275 cop.mac = m.buffer_info()[0]
276 ivbuf = array.array('B', (random.randint(0, 255) for x in xrange(16)))
277 cop.iv = ivbuf.buffer_info()[0]
280 def alarmhandle(a, b, exit=exit):
283 oldalarm = signal.signal(signal.SIGALRM, alarmhandle)
289 ioctl(_cryptodev, CIOCCRYPT, str(cop))
294 signal.signal(signal.SIGALRM, oldalarm)
296 print('time:', end - start)
297 print('perf MB/sec:', (reps * size) / (end - start) / 1024 / 1024)
299 def encrypt(self, data, iv, aad=None):
301 return self._doop(COP_ENCRYPT, data, iv)
303 return self._doaead(COP_ENCRYPT, data, aad,
306 def decrypt(self, data, iv, aad=None, tag=None):
308 return self._doop(COP_DECRYPT, data, iv)
310 return self._doaead(COP_DECRYPT, data, aad,
313 class MismatchError(Exception):
317 def __init__(self, fname, fields):
318 self.fp = open(fname)
319 self.fields = set(fields)
325 if self._pending is not None:
329 i = self.fp.readline()
332 if didread and not i:
335 if (i and i[0] == '#') or not i.strip():
338 yield i[1:].split(']', 1)[0], self.fielditer()
340 raise ValueError('unknown line: %r' % repr(i))
344 line = self.fp.readline()
358 line = self.eatblanks()
359 if not line or line[0] == '[':
365 f, v = line.split(' =')
370 print('line:', repr(line))
375 raise ValueError('already present: %r' % repr(f))
377 line = self.fp.readline().strip()
381 # we should have everything
382 remain = self.fields.copy() - set(values.keys())
383 # XXX - special case GCM decrypt
384 if remain and not ('FAIL' in values and 'PT' in remain):
385 raise ValueError('not all fields found: %r' % repr(remain))
389 # The CCM files use a bit of a different syntax that doesn't quite fit
390 # the generic KATParser. In particular, some keys are set globally at
391 # the start of the file, and some are set globally at the start of a
394 def __init__(self, fname):
395 self.fp = open(fname)
399 def read_globals(self):
400 self.global_values = {}
402 line = self.fp.readline()
405 if line[0] == '#' or not line.strip():
412 f, v = line.split(' =')
414 print('line:', repr(line))
419 if f in self.global_values:
420 raise ValueError('already present: %r' % repr(f))
421 self.global_values[f] = v
423 def read_section_values(self, kwpairs):
424 self.section_values = self.global_values.copy()
425 for pair in kwpairs.split(', '):
426 f, v = pair.split(' = ')
427 if f in self.section_values:
428 raise ValueError('already present: %r' % repr(f))
429 self.section_values[f] = v
432 line = self.fp.readline()
435 if line[0] == '#' or not line.strip():
442 f, v = line.split(' =')
444 print('line:', repr(line))
453 if f in self.section_values:
454 raise ValueError('already present: %r' % repr(f))
455 self.section_values[f] = v
463 line = self.fp.readline()
467 if (line and line[0] == '#') or not line.strip():
471 section = line[1:].split(']', 1)[0]
472 self.read_section_values(section)
475 values = self.section_values.copy()
479 f, v = line.split(' =')
481 print('line:', repr(line))
486 raise ValueError('already present: %r' % repr(f))
488 line = self.fp.readline().strip()
496 return ''.join(s.split()).decode('hex')
498 if __name__ == '__main__':
501 crid = Crypto.findcrid('aesni0')
502 print('aesni:', crid)
504 print('aesni0 not found')
508 name = Crypto.getcridname(i)
509 print('%2d: %r' % (i, repr(name)))
513 kp = KATParser('/usr/home/jmg/aesni.testing/format tweak value input - data unit seq no/XTSGenAES128.rsp', [ 'COUNT', 'DataUnitLen', 'Key', 'DataUnitSeqNumber', 'PT', 'CT' ])
519 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
520 iv = _spdechex('00000000000000000000000000000001')
521 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e')
522 #pt = _spdechex('00000000000000000000000000000000')
523 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef')
525 c = Crypto(CRYPTO_AES_ICM, key)
526 enc = c.encrypt(pt, iv)
528 print('enc:', enc.encode('hex'))
529 print(' ct:', ct.encode('hex'))
533 dec = c.decrypt(ct, iv)
535 print('dec:', dec.encode('hex'))
536 print(' pt:', pt.encode('hex'))
540 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
541 iv = _spdechex('00000000000000000000000000000001')
542 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
543 #pt = _spdechex('00000000000000000000000000000000')
544 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef3768')
546 c = Crypto(CRYPTO_AES_ICM, key)
547 enc = c.encrypt(pt, iv)
549 print('enc:', enc.encode('hex'))
550 print(' ct:', ct.encode('hex'))
554 dec = c.decrypt(ct, iv)
556 print('dec:', dec.encode('hex'))
557 print(' pt:', pt.encode('hex'))
561 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
562 iv = _spdechex('6eba2716ec0bd6fa5cdef5e6d3a795bc')
563 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
564 ct = _spdechex('f1f81f12e72e992dbdc304032705dc75dc3e4180eff8ee4819906af6aee876d5b00b7c36d282a445ce3620327be481e8e53a8e5a8e5ca9abfeb2281be88d12ffa8f46d958d8224738c1f7eea48bda03edbf9adeb900985f4fa25648b406d13a886c25e70cfdecdde0ad0f2991420eb48a61c64fd797237cf2798c2675b9bb744360b0a3f329ac53bbceb4e3e7456e6514f1a9d2f06c236c31d0f080b79c15dce1096357416602520daa098b17d1af427')
565 c = Crypto(CRYPTO_AES_CBC, key)
567 enc = c.encrypt(pt, iv)
569 print('enc:', enc.encode('hex'))
570 print(' ct:', ct.encode('hex'))
574 dec = c.decrypt(ct, iv)
576 print('dec:', dec.encode('hex'))
577 print(' pt:', pt.encode('hex'))
581 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
582 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
583 pt = _spdechex('c3b3c41f113a31b73d9a5cd4321030')
584 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
585 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
586 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa73')
587 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
588 tag = _spdechex('8d11a0929cb3fbe1fef01a4a38d5f8ea')
590 c = Crypto(CRYPTO_AES_NIST_GCM_16, key,
591 mac=CRYPTO_AES_128_NIST_GMAC, mackey=key)
593 enc, enctag = c.encrypt(pt, iv, aad=aad)
595 print('enc:', enc.encode('hex'))
596 print(' ct:', ct.encode('hex'))
600 print('etg:', enctag.encode('hex'))
601 print('tag:', tag.encode('hex'))
604 # Make sure we get EBADMSG
605 #enctag = enctag[:-1] + 'a'
606 dec, dectag = c.decrypt(ct, iv, aad=aad, tag=enctag)
608 print('dec:', dec.encode('hex'))
609 print(' pt:', pt.encode('hex'))
613 print('dtg:', dectag.encode('hex'))
614 print('tag:', tag.encode('hex'))
618 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
619 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
622 pt = _spdechex('c3b3c41f113a31b73d9a5cd432103069')
623 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
624 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
625 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
627 c = Crypto(CRYPTO_AES_GCM_16, key, mac=CRYPTO_AES_128_GMAC, mackey=key)
629 enc, enctag = c.encrypt(pt, iv, aad=aad)
631 print('enc:', enc.encode('hex'))
632 print(' ct:', ct.encode('hex'))
636 print('etg:', enctag.encode('hex'))
637 print('tag:', tag.encode('hex'))
640 for i in xrange(100000):
641 c = Crypto(CRYPTO_AES_XTS, '1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'.decode('hex'))
642 data = '52a42bca4e9425a25bbc8c8bf6129dec'.decode('hex')
643 ct = '517e602becd066b65fa4f4f56ddfe240'.decode('hex')
644 iv = _pack('QQ', 71, 0)
646 enc = c.encrypt(data, iv)
649 c = Crypto(CRYPTO_AES_XTS, '1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'.decode('hex'))
650 data = '52a42bca4e9425a25bbc8c8bf6129dec'.decode('hex')
651 ct = '517e602becd066b65fa4f4f56ddfe240'.decode('hex')
652 iv = _pack('QQ', 71, 0)
654 enc = c.encrypt(data, iv)
657 dec = c.decrypt(enc, iv)
660 #c.perftest(COP_ENCRYPT, 192*1024, reps=30000)
663 key = '1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'.decode('hex')
664 print('XTS %d testing:' % (len(key) * 8))
665 c = Crypto(CRYPTO_AES_XTS, key)
666 for i in [ 8192, 192*1024]:
667 print('block size: %d' % i)
668 c.perftest(COP_ENCRYPT, i)
669 c.perftest(COP_DECRYPT, i)