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
39 from struct import pack as _pack
41 from cryptodevh import *
43 __all__ = [ 'Crypto', 'MismatchError', ]
45 class FindOp(dpkt.Packet):
47 __hdr__ = ( ('crid', 'i', 0),
51 class SessionOp(dpkt.Packet):
53 __hdr__ = ( ('cipher', 'I', 0),
57 ('mackeylen', 'i', 0),
62 class SessionOp2(dpkt.Packet):
64 __hdr__ = ( ('cipher', 'I', 0),
68 ('mackeylen', 'i', 0),
78 class CryptOp(dpkt.Packet):
80 __hdr__ = ( ('ses', 'I', 0),
90 class CryptAEAD(dpkt.Packet):
106 # h2py.py can't handle multiarg macros
108 CIOCGSESSION = 3224396645
109 CIOCGSESSION2 = 3225445226
110 CIOCFSESSION = 2147771238
111 CIOCCRYPT = 3224396647
113 CIOCASYMFEAT = 1074029417
114 CIOCKEY2 = 3230688107
115 CIOCFINDDEV = 3223610220
116 CIOCCRYPTAEAD = 3225445229
119 fd = os.open('/dev/crypto', os.O_RDWR)
120 buf = array.array('I', [0])
121 ioctl(fd, CRIOGET, buf, 1)
126 _cryptodev = _getdev()
128 def _findop(crid, name):
132 s = array.array('B', fop.pack_hdr())
133 ioctl(_cryptodev, CIOCFINDDEV, s, 1)
137 idx = fop.name.index('\x00')
138 name = fop.name[:idx]
142 return fop.crid, name
147 return _findop(-1, name)[0]
150 def getcridname(crid):
151 return _findop(crid, '')[1]
153 def __init__(self, cipher=0, key=None, mac=0, mackey=None,
154 crid=CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE):
161 ses.keylen = len(key)
162 k = array.array('B', key)
163 ses.key = k.buffer_info()[0]
167 if mackey is not None:
168 ses.mackeylen = len(mackey)
169 mk = array.array('B', mackey)
170 ses.mackey = mk.buffer_info()[0]
171 self._maclen = 16 # parameterize?
175 if not cipher and not mac:
176 raise ValueError('one of cipher or mac MUST be specified.')
179 s = array.array('B', ses.pack_hdr())
181 ioctl(_cryptodev, CIOCGSESSION2, s, 1)
187 if self._ses is None:
191 ioctl(_cryptodev, CIOCFSESSION, _pack('I', self._ses))
196 def _doop(self, op, src, iv):
202 s = array.array('B', src)
203 cop.src = cop.dst = s.buffer_info()[0]
204 if self._maclen is not None:
205 m = array.array('B', [0] * self._maclen)
206 cop.mac = m.buffer_info()[0]
207 ivbuf = array.array('B', iv)
208 cop.iv = ivbuf.buffer_info()[0]
211 ioctl(_cryptodev, CIOCCRYPT, str(cop))
214 if self._maclen is not None:
215 return s, m.tostring()
219 def _doaead(self, op, src, aad, iv, tag=None):
221 caead.ses = self._ses
223 caead.flags = CRD_F_IV_EXPLICIT
226 s = array.array('B', src)
227 caead.src = caead.dst = s.buffer_info()[0]
228 caead.aadlen = len(aad)
229 saad = array.array('B', aad)
230 caead.aad = saad.buffer_info()[0]
232 if self._maclen is None:
233 raise ValueError('must have a tag length')
236 tag = array.array('B', [0] * self._maclen)
238 assert len(tag) == self._maclen, \
239 '%d != %d' % (len(tag), self._maclen)
240 tag = array.array('B', tag)
242 caead.tag = tag.buffer_info()[0]
244 ivbuf = array.array('B', iv)
245 caead.ivlen = len(iv)
246 caead.iv = ivbuf.buffer_info()[0]
248 ioctl(_cryptodev, CIOCCRYPTAEAD, str(caead))
252 return s, tag.tostring()
254 def perftest(self, op, size, timeo=3):
258 inp = array.array('B', (random.randint(0, 255) for x in xrange(size)))
259 out = array.array('B', inp)
267 s = array.array('B', inp)
268 cop.src = s.buffer_info()[0]
269 cop.dst = out.buffer_info()[0]
270 if self._maclen is not None:
271 m = array.array('B', [0] * self._maclen)
272 cop.mac = m.buffer_info()[0]
273 ivbuf = array.array('B', (random.randint(0, 255) for x in xrange(16)))
274 cop.iv = ivbuf.buffer_info()[0]
277 def alarmhandle(a, b, exit=exit):
280 oldalarm = signal.signal(signal.SIGALRM, alarmhandle)
286 ioctl(_cryptodev, CIOCCRYPT, str(cop))
291 signal.signal(signal.SIGALRM, oldalarm)
293 print('time:', end - start)
294 print('perf MB/sec:', (reps * size) / (end - start) / 1024 / 1024)
296 def encrypt(self, data, iv, aad=None):
298 return self._doop(COP_ENCRYPT, data, iv)
300 return self._doaead(COP_ENCRYPT, data, aad,
303 def decrypt(self, data, iv, aad=None, tag=None):
305 return self._doop(COP_DECRYPT, data, iv)
307 return self._doaead(COP_DECRYPT, data, aad,
310 class MismatchError(Exception):
314 def __init__(self, fname, fields):
315 self.fp = open(fname)
316 self.fields = set(fields)
322 if self._pending is not None:
326 i = self.fp.readline()
329 if didread and not i:
332 if (i and i[0] == '#') or not i.strip():
335 yield i[1:].split(']', 1)[0], self.fielditer()
337 raise ValueError('unknown line: %r' % repr(i))
341 line = self.fp.readline()
355 line = self.eatblanks()
356 if not line or line[0] == '[':
362 f, v = line.split(' =')
367 print('line:', repr(line))
372 raise ValueError('already present: %r' % repr(f))
374 line = self.fp.readline().strip()
378 # we should have everything
379 remain = self.fields.copy() - set(values.keys())
380 # XXX - special case GCM decrypt
381 if remain and not ('FAIL' in values and 'PT' in remain):
382 raise ValueError('not all fields found: %r' % repr(remain))
387 return ''.join(s.split()).decode('hex')
389 if __name__ == '__main__':
392 crid = Crypto.findcrid('aesni0')
393 print('aesni:', crid)
395 print('aesni0 not found')
399 name = Crypto.getcridname(i)
400 print('%2d: %r' % (i, repr(name)))
404 kp = KATParser('/usr/home/jmg/aesni.testing/format tweak value input - data unit seq no/XTSGenAES128.rsp', [ 'COUNT', 'DataUnitLen', 'Key', 'DataUnitSeqNumber', 'PT', 'CT' ])
410 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
411 iv = _spdechex('00000000000000000000000000000001')
412 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e')
413 #pt = _spdechex('00000000000000000000000000000000')
414 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef')
416 c = Crypto(CRYPTO_AES_ICM, key)
417 enc = c.encrypt(pt, iv)
419 print('enc:', enc.encode('hex'))
420 print(' ct:', ct.encode('hex'))
424 dec = c.decrypt(ct, iv)
426 print('dec:', dec.encode('hex'))
427 print(' pt:', pt.encode('hex'))
431 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
432 iv = _spdechex('00000000000000000000000000000001')
433 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
434 #pt = _spdechex('00000000000000000000000000000000')
435 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef3768')
437 c = Crypto(CRYPTO_AES_ICM, key)
438 enc = c.encrypt(pt, iv)
440 print('enc:', enc.encode('hex'))
441 print(' ct:', ct.encode('hex'))
445 dec = c.decrypt(ct, iv)
447 print('dec:', dec.encode('hex'))
448 print(' pt:', pt.encode('hex'))
452 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
453 iv = _spdechex('6eba2716ec0bd6fa5cdef5e6d3a795bc')
454 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
455 ct = _spdechex('f1f81f12e72e992dbdc304032705dc75dc3e4180eff8ee4819906af6aee876d5b00b7c36d282a445ce3620327be481e8e53a8e5a8e5ca9abfeb2281be88d12ffa8f46d958d8224738c1f7eea48bda03edbf9adeb900985f4fa25648b406d13a886c25e70cfdecdde0ad0f2991420eb48a61c64fd797237cf2798c2675b9bb744360b0a3f329ac53bbceb4e3e7456e6514f1a9d2f06c236c31d0f080b79c15dce1096357416602520daa098b17d1af427')
456 c = Crypto(CRYPTO_AES_CBC, key)
458 enc = c.encrypt(pt, iv)
460 print('enc:', enc.encode('hex'))
461 print(' ct:', ct.encode('hex'))
465 dec = c.decrypt(ct, iv)
467 print('dec:', dec.encode('hex'))
468 print(' pt:', pt.encode('hex'))
472 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
473 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
474 pt = _spdechex('c3b3c41f113a31b73d9a5cd4321030')
475 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
476 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
477 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa73')
478 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
479 tag = _spdechex('8d11a0929cb3fbe1fef01a4a38d5f8ea')
481 c = Crypto(CRYPTO_AES_NIST_GCM_16, key,
482 mac=CRYPTO_AES_128_NIST_GMAC, mackey=key)
484 enc, enctag = c.encrypt(pt, iv, aad=aad)
486 print('enc:', enc.encode('hex'))
487 print(' ct:', ct.encode('hex'))
491 print('etg:', enctag.encode('hex'))
492 print('tag:', tag.encode('hex'))
495 # Make sure we get EBADMSG
496 #enctag = enctag[:-1] + 'a'
497 dec, dectag = c.decrypt(ct, iv, aad=aad, tag=enctag)
499 print('dec:', dec.encode('hex'))
500 print(' pt:', pt.encode('hex'))
504 print('dtg:', dectag.encode('hex'))
505 print('tag:', tag.encode('hex'))
509 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
510 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
513 pt = _spdechex('c3b3c41f113a31b73d9a5cd432103069')
514 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
515 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
516 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
518 c = Crypto(CRYPTO_AES_GCM_16, key, mac=CRYPTO_AES_128_GMAC, mackey=key)
520 enc, enctag = c.encrypt(pt, iv, aad=aad)
522 print('enc:', enc.encode('hex'))
523 print(' ct:', ct.encode('hex'))
527 print('etg:', enctag.encode('hex'))
528 print('tag:', tag.encode('hex'))
531 for i in xrange(100000):
532 c = Crypto(CRYPTO_AES_XTS, '1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'.decode('hex'))
533 data = '52a42bca4e9425a25bbc8c8bf6129dec'.decode('hex')
534 ct = '517e602becd066b65fa4f4f56ddfe240'.decode('hex')
535 iv = _pack('QQ', 71, 0)
537 enc = c.encrypt(data, iv)
540 c = Crypto(CRYPTO_AES_XTS, '1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'.decode('hex'))
541 data = '52a42bca4e9425a25bbc8c8bf6129dec'.decode('hex')
542 ct = '517e602becd066b65fa4f4f56ddfe240'.decode('hex')
543 iv = _pack('QQ', 71, 0)
545 enc = c.encrypt(data, iv)
548 dec = c.decrypt(enc, iv)
551 #c.perftest(COP_ENCRYPT, 192*1024, reps=30000)
554 key = '1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'.decode('hex')
555 print('XTS %d testing:' % (len(key) * 8))
556 c = Crypto(CRYPTO_AES_XTS, key)
557 for i in [ 8192, 192*1024]:
558 print('block size: %d' % i)
559 c.perftest(COP_ENCRYPT, i)
560 c.perftest(COP_DECRYPT, i)