1 #!/usr/local/bin/python3
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
37 from fcntl import ioctl
42 from struct import pack as _pack
48 from cryptodevh import *
50 __all__ = [ 'Crypto', 'MismatchError', ]
52 class FindOp(dpkt.Packet):
59 class SessionOp(dpkt.Packet):
66 ('mackeylen', 'i', 0),
71 class SessionOp2(dpkt.Packet):
78 ('mackeylen', 'i', 0),
88 class CryptOp(dpkt.Packet):
101 class CryptAEAD(dpkt.Packet):
117 # h2py.py can't handle multiarg macros
118 CIOCGSESSION = 3224396645
119 CIOCFSESSION = 2147771238
121 CIOCASYMFEAT = 1074029417
122 CIOCKEY2 = 3230688107
123 CIOCFINDDEV = 3223610220
124 if platform.architecture()[0] == '64bit':
125 CIOCGSESSION2 = 3225445226
126 CIOCCRYPT = 3224396647
127 CIOCCRYPTAEAD = 3225445229
129 CIOCGSESSION2 = 3224396650
130 CIOCCRYPT = 3223085927
131 CIOCCRYPTAEAD = 3223872365
133 _cryptodev = os.open('/dev/crypto', os.O_RDWR)
135 def str_to_ascii(val):
136 if sys.version_info[0] >= 3:
137 if isinstance(val, str):
138 return val.encode("ascii")
141 def _findop(crid, name):
144 fop.name = str_to_ascii(name)
145 s = array.array('B', fop.pack_hdr())
146 ioctl(_cryptodev, CIOCFINDDEV, s, 1)
150 idx = fop.name.index(b'\x00')
151 name = fop.name[:idx]
155 return fop.crid, name
157 def array_tobytes(array_obj):
158 if sys.version_info[:2] >= (3, 2):
159 return array_obj.tobytes()
160 return array_obj.tostring()
165 return _findop(-1, name)[0]
168 def getcridname(crid):
169 return _findop(crid, '')[1]
171 def __init__(self, cipher=0, key=None, mac=0, mackey=None,
172 crid=CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE, maclen=None):
174 self._maclen = maclen
180 ses.keylen = len(key)
181 k = array.array('B', key)
182 ses.key = k.buffer_info()[0]
186 if mackey is not None:
187 ses.mackeylen = len(mackey)
188 mk = array.array('B', mackey)
189 ses.mackey = mk.buffer_info()[0]
191 if not cipher and not mac:
192 raise ValueError('one of cipher or mac MUST be specified.')
195 s = array.array('B', ses.pack_hdr())
197 ioctl(_cryptodev, CIOCGSESSION2, s, 1)
203 if self._ses is None:
207 ioctl(_cryptodev, CIOCFSESSION, _pack('I', self._ses))
212 def _doop(self, op, src, iv):
218 s = array.array('B', src)
219 cop.src = cop.dst = s.buffer_info()[0]
220 if self._maclen is not None:
221 m = array.array('B', [0] * self._maclen)
222 cop.mac = m.buffer_info()[0]
223 ivbuf = array.array('B', str_to_ascii(iv))
224 cop.iv = ivbuf.buffer_info()[0]
227 ioctl(_cryptodev, CIOCCRYPT, bytes(cop))
230 if self._maclen is not None:
231 return s, array_tobytes(m)
235 def _doaead(self, op, src, aad, iv, tag=None):
237 caead.ses = self._ses
239 caead.flags = CRD_F_IV_EXPLICIT
241 src = str_to_ascii(src)
243 s = array.array('B', src)
244 caead.src = caead.dst = s.buffer_info()[0]
245 aad = str_to_ascii(aad)
246 caead.aadlen = len(aad)
247 saad = array.array('B', aad)
248 caead.aad = saad.buffer_info()[0]
250 if self._maclen is None:
251 raise ValueError('must have a tag length')
253 tag = str_to_ascii(tag)
255 tag = array.array('B', [0] * self._maclen)
257 assert len(tag) == self._maclen, \
258 '%d != %d' % (len(tag), self._maclen)
259 tag = array.array('B', tag)
261 caead.tag = tag.buffer_info()[0]
263 ivbuf = array.array('B', iv)
264 caead.ivlen = len(iv)
265 caead.iv = ivbuf.buffer_info()[0]
267 ioctl(_cryptodev, CIOCCRYPTAEAD, bytes(caead))
271 return s, array_tobytes(tag)
273 def perftest(self, op, size, timeo=3):
274 inp = array.array('B', (random.randint(0, 255) for x in range(size)))
275 inp = str_to_ascii(inp)
276 out = array.array('B', inp)
284 s = array.array('B', inp)
285 cop.src = s.buffer_info()[0]
286 cop.dst = out.buffer_info()[0]
287 if self._maclen is not None:
288 m = array.array('B', [0] * self._maclen)
289 cop.mac = m.buffer_info()[0]
290 ivbuf = array.array('B', (random.randint(0, 255) for x in range(16)))
291 cop.iv = ivbuf.buffer_info()[0]
294 def alarmhandle(a, b, exit=exit):
297 oldalarm = signal.signal(signal.SIGALRM, alarmhandle)
304 ioctl(_cryptodev, CIOCCRYPT, cop)
309 signal.signal(signal.SIGALRM, oldalarm)
311 print('time:', end - start)
312 print('perf MB/sec:', (reps * size) / (end - start) / 1024 / 1024)
314 def encrypt(self, data, iv, aad=None):
316 return self._doop(COP_ENCRYPT, data, iv)
318 return self._doaead(COP_ENCRYPT, data, aad,
321 def decrypt(self, data, iv, aad=None, tag=None):
323 return self._doop(COP_DECRYPT, data, iv)
325 return self._doaead(COP_DECRYPT, data, aad,
328 class MismatchError(Exception):
332 def __init__(self, fname, fields):
333 self.fields = set(fields)
339 self.fp = open(self.fname)
342 def __exit__(self, exc_type, exc_value, exc_tb):
343 if self.fp is not None:
352 if self._pending is not None:
356 i = self.fp.readline()
359 if didread and not i:
362 if not i.startswith('#') and i.strip():
366 yield i[1:].split(']', 1)[0], self.fielditer()
368 raise ValueError('unknown line: %r' % repr(i))
372 line = self.fp.readline()
386 line = self.eatblanks()
387 if not line or line[0] == '[':
393 f, v = line.split(' =')
398 print('line:', repr(line))
403 raise ValueError('already present: %r' % repr(f))
405 line = self.fp.readline().strip()
409 # we should have everything
410 remain = self.fields.copy() - set(values.keys())
411 # XXX - special case GCM decrypt
412 if remain and not ('FAIL' in values and 'PT' in remain):
413 raise ValueError('not all fields found: %r' % repr(remain))
417 # The CCM files use a bit of a different syntax that doesn't quite fit
418 # the generic KATParser. In particular, some keys are set globally at
419 # the start of the file, and some are set globally at the start of a
422 def __init__(self, fname):
428 self.fp = open(self.fname)
432 def __exit__(self, exc_type, exc_value, exc_tb):
433 if self.fp is not None:
436 def read_globals(self):
437 self.global_values = {}
439 line = self.fp.readline()
442 if line[0] == '#' or not line.strip():
449 f, v = line.split(' =')
451 print('line:', repr(line))
456 if f in self.global_values:
457 raise ValueError('already present: %r' % repr(f))
458 self.global_values[f] = v
460 def read_section_values(self, kwpairs):
461 self.section_values = self.global_values.copy()
462 for pair in kwpairs.split(', '):
463 f, v = pair.split(' = ')
464 if f in self.section_values:
465 raise ValueError('already present: %r' % repr(f))
466 self.section_values[f] = v
469 line = self.fp.readline()
472 if line[0] == '#' or not line.strip():
479 f, v = line.split(' =')
481 print('line:', repr(line))
490 if f in self.section_values:
491 raise ValueError('already present: %r' % repr(f))
492 self.section_values[f] = v
503 line = self.fp.readline()
507 if (line and line[0] == '#') or not line.strip():
511 section = line[1:].split(']', 1)[0]
512 self.read_section_values(section)
515 values = self.section_values.copy()
519 f, v = line.split(' =')
521 print('line:', repr(line))
526 raise ValueError('already present: %r' % repr(f))
528 line = self.fp.readline().strip()
535 return binascii.hexlify(''.join(s.split()))
537 if sys.version_info[0] < 3:
538 KATCCMParser.next = KATCCMParser.__next__
539 KATParser.next = KATParser.__next__
541 if __name__ == '__main__':
544 crid = Crypto.findcrid('aesni0')
545 print('aesni:', crid)
547 print('aesni0 not found')
551 name = Crypto.getcridname(i)
552 print('%2d: %r' % (i, repr(name)))
556 columns = [ 'COUNT', 'DataUnitLen', 'Key', 'DataUnitSeqNumber', 'PT', 'CT' ]
557 fname = '/usr/home/jmg/aesni.testing/format tweak value input - data unit seq no/XTSGenAES128.rsp'
558 with KATParser(fname, columns) as kp:
564 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
565 iv = _spdechex('00000000000000000000000000000001')
566 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e')
567 #pt = _spdechex('00000000000000000000000000000000')
568 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef')
570 c = Crypto(CRYPTO_AES_ICM, key)
571 enc = c.encrypt(pt, iv)
573 print('enc:', binascii.hexlify(enc))
574 print(' ct:', binascii.hexlify(ct))
578 dec = c.decrypt(ct, iv)
580 print('dec:', binascii.hexlify(dec))
581 print(' pt:', binascii.hexlify(pt))
585 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
586 iv = _spdechex('00000000000000000000000000000001')
587 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
588 #pt = _spdechex('00000000000000000000000000000000')
589 ct = _spdechex('f42c33853ecc5ce2949865fdb83de3bff1089e9360c94f830baebfaff72836ab5236f77212f1e7396c8c54ac73d81986375a6e9e299cfeca5ba051ed25e8d1affa5beaf6c1d2b45e90802408f2ced21663497e906de5f29341e5e52ddfea5363d628b3eb7806835e17bae051b3a6da3f8e2941fe44384eac17a9d298d2c331ca8320c775b5d53263a5e905059d891b21dede2d8110fd427c7bd5a9a274ddb47b1945ee79522203b6e297d0e399ef3768')
591 c = Crypto(CRYPTO_AES_ICM, key)
592 enc = c.encrypt(pt, iv)
594 print('enc:', binascii.hexlify(enc))
595 print(' ct:', binascii.hexlify(ct))
599 dec = c.decrypt(ct, iv)
601 print('dec:', binascii.hexlify(dec))
602 print(' pt:', binascii.hexlify(pt))
606 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
607 iv = _spdechex('6eba2716ec0bd6fa5cdef5e6d3a795bc')
608 pt = _spdechex('ab3cabed693a32946055524052afe3c9cb49664f09fc8b7da824d924006b7496353b8c1657c5dec564d8f38d7432e1de35aae9d95590e66278d4acce883e51abaf94977fcd3679660109a92bf7b2973ccd547f065ec6cee4cb4a72a5e9f45e615d920d76cb34cba482467b3e21422a7242e7d931330c0fbf465c3a3a46fae943029fd899626dda542750a1eee253df323c6ef1573f1c8c156613e2ea0a6cdbf2ae9701020be2d6a83ecb7f3f9d8e0a3f')
609 ct = _spdechex('f1f81f12e72e992dbdc304032705dc75dc3e4180eff8ee4819906af6aee876d5b00b7c36d282a445ce3620327be481e8e53a8e5a8e5ca9abfeb2281be88d12ffa8f46d958d8224738c1f7eea48bda03edbf9adeb900985f4fa25648b406d13a886c25e70cfdecdde0ad0f2991420eb48a61c64fd797237cf2798c2675b9bb744360b0a3f329ac53bbceb4e3e7456e6514f1a9d2f06c236c31d0f080b79c15dce1096357416602520daa098b17d1af427')
610 c = Crypto(CRYPTO_AES_CBC, key)
612 enc = c.encrypt(pt, iv)
614 print('enc:', binascii.hexlify(enc))
615 print(' ct:', binascii.hexlify(ct))
619 dec = c.decrypt(ct, iv)
621 print('dec:', binascii.hexlify(dec))
622 print(' pt:', binascii.hexlify(pt))
626 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
627 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
628 pt = _spdechex('c3b3c41f113a31b73d9a5cd4321030')
629 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
630 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
631 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa73')
632 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
633 tag = _spdechex('8d11a0929cb3fbe1fef01a4a38d5f8ea')
635 c = Crypto(CRYPTO_AES_NIST_GCM_16, 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 # Make sure we get EBADMSG
649 #enctag = enctag[:-1] + 'a'
650 dec, dectag = c.decrypt(ct, iv, aad=aad, tag=enctag)
652 print('dec:', binascii.hexlify(dec))
653 print(' pt:', binascii.hexlify(pt))
657 print('dtg:', binascii.hexlify(dectag))
658 print('tag:', binascii.hexlify(tag))
662 key = _spdechex('c939cc13397c1d37de6ae0e1cb7c423c')
663 iv = _spdechex('b3d8cc017cbb89b39e0f67e2')
666 pt = _spdechex('c3b3c41f113a31b73d9a5cd432103069')
667 aad = _spdechex('24825602bd12a984e0092d3e448eda5f')
668 ct = _spdechex('93fe7d9e9bfd10348a5606e5cafa7354')
669 tag = _spdechex('0032a1dc85f1c9786925a2e71d8272dd')
671 c = Crypto(CRYPTO_AES_GCM_16, key)
673 enc, enctag = c.encrypt(pt, iv, aad=aad)
675 print('enc:', binascii.hexlify(enc))
676 print(' ct:', binascii.hexlify(ct))
680 print('etg:', binascii.hexlify(enctag))
681 print('tag:', binascii.hexlify(tag))
684 for i in range(100000):
685 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
686 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
687 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
688 iv = _pack('QQ', 71, 0)
690 enc = c.encrypt(data, iv)
693 c = Crypto(CRYPTO_AES_XTS, binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382'))
694 data = binascii.unhexlify('52a42bca4e9425a25bbc8c8bf6129dec')
695 ct = binascii.unhexlify('517e602becd066b65fa4f4f56ddfe240')
696 iv = _pack('QQ', 71, 0)
698 enc = c.encrypt(data, iv)
701 dec = c.decrypt(enc, iv)
704 #c.perftest(COP_ENCRYPT, 192*1024, reps=30000)
707 key = binascii.unhexlify('1bbfeadf539daedcae33ced497343f3ca1f2474ad932b903997d44707db41382')
708 print('XTS %d testing:' % (len(key) * 8))
709 c = Crypto(CRYPTO_AES_XTS, key)
710 for i in [ 8192, 192*1024]:
711 print('block size: %d' % i)
712 c.perftest(COP_ENCRYPT, i)
713 c.perftest(COP_DECRYPT, i)