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 _findop(crid, name):
143 s = array.array('B', fop.pack_hdr())
144 ioctl(_cryptodev, CIOCFINDDEV, s, 1)
148 idx = fop.name.index('\x00')
149 name = fop.name[:idx]
153 return fop.crid, name
155 def array_tobytes(array_obj):
156 if sys.version_info[:2] >= (3, 2):
157 return array_obj.tobytes()
158 return array_obj.tostring()
163 return _findop(-1, name)[0]
166 def getcridname(crid):
167 return _findop(crid, '')[1]
169 def __init__(self, cipher=0, key=None, mac=0, mackey=None,
170 crid=CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE, maclen=None):
172 self._maclen = maclen
178 ses.keylen = len(key)
179 k = array.array('B', key)
180 ses.key = k.buffer_info()[0]
184 if mackey is not None:
185 ses.mackeylen = len(mackey)
186 mk = array.array('B', mackey)
187 ses.mackey = mk.buffer_info()[0]
189 if not cipher and not mac:
190 raise ValueError('one of cipher or mac MUST be specified.')
193 s = array.array('B', ses.pack_hdr())
195 ioctl(_cryptodev, CIOCGSESSION2, s, 1)
201 if self._ses is None:
205 ioctl(_cryptodev, CIOCFSESSION, _pack('I', self._ses))
210 def _doop(self, op, src, iv):
216 s = array.array('B', src)
217 cop.src = cop.dst = s.buffer_info()[0]
218 if self._maclen is not None:
219 m = array.array('B', [0] * self._maclen)
220 cop.mac = m.buffer_info()[0]
221 ivbuf = array.array('B', iv)
222 cop.iv = ivbuf.buffer_info()[0]
225 ioctl(_cryptodev, CIOCCRYPT, str(cop))
228 if self._maclen is not None:
229 return s, array_tobytes(m)
233 def _doaead(self, op, src, aad, iv, tag=None):
235 caead.ses = self._ses
237 caead.flags = CRD_F_IV_EXPLICIT
240 s = array.array('B', src)
241 caead.src = caead.dst = s.buffer_info()[0]
242 caead.aadlen = len(aad)
243 saad = array.array('B', aad)
244 caead.aad = saad.buffer_info()[0]
246 if self._maclen is None:
247 raise ValueError('must have a tag length')
250 tag = array.array('B', [0] * self._maclen)
252 assert len(tag) == self._maclen, \
253 '%d != %d' % (len(tag), self._maclen)
254 tag = array.array('B', tag)
256 caead.tag = tag.buffer_info()[0]
258 ivbuf = array.array('B', iv)
259 caead.ivlen = len(iv)
260 caead.iv = ivbuf.buffer_info()[0]
262 ioctl(_cryptodev, CIOCCRYPTAEAD, str(caead))
266 return s, array_tobytes(tag)
268 def perftest(self, op, size, timeo=3):
269 inp = array.array('B', (random.randint(0, 255) for x in range(size)))
270 out = array.array('B', inp)
278 s = array.array('B', inp)
279 cop.src = s.buffer_info()[0]
280 cop.dst = out.buffer_info()[0]
281 if self._maclen is not None:
282 m = array.array('B', [0] * self._maclen)
283 cop.mac = m.buffer_info()[0]
284 ivbuf = array.array('B', (random.randint(0, 255) for x in range(16)))
285 cop.iv = ivbuf.buffer_info()[0]
288 def alarmhandle(a, b, exit=exit):
291 oldalarm = signal.signal(signal.SIGALRM, alarmhandle)
297 ioctl(_cryptodev, CIOCCRYPT, str(cop))
302 signal.signal(signal.SIGALRM, oldalarm)
304 print('time:', end - start)
305 print('perf MB/sec:', (reps * size) / (end - start) / 1024 / 1024)
307 def encrypt(self, data, iv, aad=None):
309 return self._doop(COP_ENCRYPT, data, iv)
311 return self._doaead(COP_ENCRYPT, data, aad,
314 def decrypt(self, data, iv, aad=None, tag=None):
316 return self._doop(COP_DECRYPT, data, iv)
318 return self._doaead(COP_DECRYPT, data, aad,
321 class MismatchError(Exception):
325 def __init__(self, fname, fields):
326 self.fp = open(fname)
327 self.fields = set(fields)
333 if self._pending is not None:
337 i = self.fp.readline()
340 if didread and not i:
343 if (i and i[0] == '#') or not i.strip():
346 yield i[1:].split(']', 1)[0], self.fielditer()
348 raise ValueError('unknown line: %r' % repr(i))
352 line = self.fp.readline()
366 line = self.eatblanks()
367 if not line or line[0] == '[':
373 f, v = line.split(' =')
378 print('line:', repr(line))
383 raise ValueError('already present: %r' % repr(f))
385 line = self.fp.readline().strip()
389 # we should have everything
390 remain = self.fields.copy() - set(values.keys())
391 # XXX - special case GCM decrypt
392 if remain and not ('FAIL' in values and 'PT' in remain):
393 raise ValueError('not all fields found: %r' % repr(remain))
397 # The CCM files use a bit of a different syntax that doesn't quite fit
398 # the generic KATParser. In particular, some keys are set globally at
399 # the start of the file, and some are set globally at the start of a
402 def __init__(self, fname):
403 self.fp = open(fname)
407 def read_globals(self):
408 self.global_values = {}
410 line = self.fp.readline()
413 if line[0] == '#' or not line.strip():
420 f, v = line.split(' =')
422 print('line:', repr(line))
427 if f in self.global_values:
428 raise ValueError('already present: %r' % repr(f))
429 self.global_values[f] = v
431 def read_section_values(self, kwpairs):
432 self.section_values = self.global_values.copy()
433 for pair in kwpairs.split(', '):
434 f, v = pair.split(' = ')
435 if f in self.section_values:
436 raise ValueError('already present: %r' % repr(f))
437 self.section_values[f] = v
440 line = self.fp.readline()
443 if line[0] == '#' or not line.strip():
450 f, v = line.split(' =')
452 print('line:', repr(line))
461 if f in self.section_values:
462 raise ValueError('already present: %r' % repr(f))
463 self.section_values[f] = v
471 line = self.fp.readline()
475 if (line and line[0] == '#') or not line.strip():
479 section = line[1:].split(']', 1)[0]
480 self.read_section_values(section)
483 values = self.section_values.copy()
487 f, v = line.split(' =')
489 print('line:', repr(line))
494 raise ValueError('already present: %r' % repr(f))
496 line = self.fp.readline().strip()
504 return binascii.hexlify(''.join(s.split()))
506 if __name__ == '__main__':
509 crid = Crypto.findcrid('aesni0')
510 print('aesni:', crid)
512 print('aesni0 not found')
516 name = Crypto.getcridname(i)
517 print('%2d: %r' % (i, repr(name)))
521 kp = KATParser('/usr/home/jmg/aesni.testing/format tweak value input - data unit seq no/XTSGenAES128.rsp', [ 'COUNT', 'DataUnitLen', 'Key', 'DataUnitSeqNumber', 'PT', 'CT' ])
527 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
528 iv = _spdechex('00000000000000000000000000000001')
529 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e')
530 #pt = _spdechex('00000000000000000000000000000000')
531 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef')
533 c = Crypto(CRYPTO_AES_ICM, key)
534 enc = c.encrypt(pt, iv)
536 print('enc:', binascii.hexlify(enc))
537 print(' ct:', binascii.hexlify(ct))
541 dec = c.decrypt(ct, iv)
543 print('dec:', binascii.hexlify(dec))
544 print(' pt:', binascii.hexlify(pt))
548 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
549 iv = _spdechex('00000000000000000000000000000001')
550 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
551 #pt = _spdechex('00000000000000000000000000000000')
552 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef3768')
554 c = Crypto(CRYPTO_AES_ICM, key)
555 enc = c.encrypt(pt, iv)
557 print('enc:', binascii.hexlify(enc))
558 print(' ct:', binascii.hexlify(ct))
562 dec = c.decrypt(ct, iv)
564 print('dec:', binascii.hexlify(dec))
565 print(' pt:', binascii.hexlify(pt))
569 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
570 iv = _spdechex('6eba2716ec0bd6fa5cdef5e6d3a795bc')
571 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
572 ct = _spdechex('f1f81f12e72e992dbdc304032705dc75dc3e4180eff8ee4819906af6aee876d5b00b7c36d282a445ce3620327be481e8e53a8e5a8e5ca9abfeb2281be88d12ffa8f46d958d8224738c1f7eea48bda03edbf9adeb900985f4fa25648b406d13a886c25e70cfdecdde0ad0f2991420eb48a61c64fd797237cf2798c2675b9bb744360b0a3f329ac53bbceb4e3e7456e6514f1a9d2f06c236c31d0f080b79c15dce1096357416602520daa098b17d1af427')
573 c = Crypto(CRYPTO_AES_CBC, key)
575 enc = c.encrypt(pt, iv)
577 print('enc:', binascii.hexlify(enc))
578 print(' ct:', binascii.hexlify(ct))
582 dec = c.decrypt(ct, iv)
584 print('dec:', binascii.hexlify(dec))
585 print(' pt:', binascii.hexlify(pt))
589 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
590 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
591 pt = _spdechex('c3b3c41f113a31b73d9a5cd4321030')
592 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
593 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
594 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa73')
595 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
596 tag = _spdechex('8d11a0929cb3fbe1fef01a4a38d5f8ea')
598 c = Crypto(CRYPTO_AES_NIST_GCM_16, key,
599 mac=CRYPTO_AES_128_NIST_GMAC, mackey=key)
601 enc, enctag = c.encrypt(pt, iv, aad=aad)
603 print('enc:', binascii.hexlify(enc))
604 print(' ct:', binascii.hexlify(ct))
608 print('etg:', binascii.hexlify(enctag))
609 print('tag:', binascii.hexlify(tag))
612 # Make sure we get EBADMSG
613 #enctag = enctag[:-1] + 'a'
614 dec, dectag = c.decrypt(ct, iv, aad=aad, tag=enctag)
616 print('dec:', binascii.hexlify(dec))
617 print(' pt:', binascii.hexlify(pt))
621 print('dtg:', binascii.hexlify(dectag))
622 print('tag:', binascii.hexlify(tag))
626 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
627 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
630 pt = _spdechex('c3b3c41f113a31b73d9a5cd432103069')
631 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
632 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
633 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
635 c = Crypto(CRYPTO_AES_GCM_16, key, mac=CRYPTO_AES_128_GMAC, mackey=key)
637 enc, enctag = c.encrypt(pt, iv, aad=aad)
639 print('enc:', binascii.hexlify(enc))
640 print(' ct:', binascii.hexlify(ct))
644 print('etg:', binascii.hexlify(enctag))
645 print('tag:', binascii.hexlify(tag))
648 for i in range(100000):
649 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
650 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
651 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
652 iv = _pack('QQ', 71, 0)
654 enc = c.encrypt(data, iv)
657 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
658 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
659 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
660 iv = _pack('QQ', 71, 0)
662 enc = c.encrypt(data, iv)
665 dec = c.decrypt(enc, iv)
668 #c.perftest(COP_ENCRYPT, 192*1024, reps=30000)
671 key = binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382')
672 print('XTS %d testing:' % (len(key) * 8))
673 c = Crypto(CRYPTO_AES_XTS, key)
674 for i in [ 8192, 192*1024]:
675 print('block size: %d' % i)
676 c.perftest(COP_ENCRYPT, i)
677 c.perftest(COP_DECRYPT, i)