Thread (15 messages) 15 messages, 4 authors, 2007-08-31

Re: Problem using dm-crypt with geode LX800 AES-Engine

From: Markus Huehnerbein <hidden>
Date: 2007-08-31 12:40:51

Herbert Xu wrote:
Markus Huehnerbein [off-list ref] wrote:
quoted
I thought that the problem is maybe related with the use of LUKS / the
Master-Key created by the PBKDF2, so I tried cryptsetup without LUKS as
follows (with the "geode_aes" module loaded):
       cryptsetup -y -c aes -h md5 -s 128 create devdmcrypt /dev/hda2
-No errors, neither in syslog nor in the output
-Checking the output of "dmsetup ls":
       devdmcrypt      (254, 0)
-Creating ext2 filesystem
       mkfs.ext2 /dev/mapper/devdmcrypt
-Trying to mount /dev/mapper/devdmcrypt fails with "wrong fs type..."
and syslog error: "VFS: Can't find an ext2 filesystem on dev dm-0"
Sounds like geode_aes is just broken.  Can you please check if
tcrypt with mode=10 and mode=200 work or not with the geode_aes
driver?
Below are the syslog entries generated by modprobe tcrypt mode=10 and
modprobe tcrypt mode=200 but I'm not sure if the geoade_aes module is
used for testing - shouldn't there be something with "...geode..." in
the syslog output? Just to ensure the module is loaded:
grep geode /proc/modules
geode_aes 4676 0 - Live 0xcf259000
crypto_algapi 9920 6 geode_aes,lrw,ecb,aes,cbc,cryptomgr, Live 0xcf223000
blkcipher 4772 4 geode_aes,lrw,ecb,cbc, Live 0xcf1ea000

--------------tcrypt mode=10-------------------->
Aug 31 14:15:58 yellowbox kernel:
Aug 31 14:15:58 yellowbox kernel: testing ecb(aes) encryption
Aug 31 14:15:58 yellowbox kernel: test 1 (128 bit key):
Aug 31 14:15:58 yellowbox kernel: 69c4e0d86a7b0430d8cdb78070b4c55a
Aug 31 14:15:58 yellowbox kernel: pass
Aug 31 14:15:58 yellowbox kernel: test 2 (192 bit key):
Aug 31 14:15:59 yellowbox kernel: setkey() failed flags=200000
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing ecb(aes) decryption
Aug 31 14:15:59 yellowbox kernel: test 1 (128 bit key):
Aug 31 14:15:59 yellowbox kernel: 00112233445566778899aabbccddeeff
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 2 (192 bit key):
Aug 31 14:15:59 yellowbox kernel: setkey() failed flags=200000
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing cbc(aes) encryption
Aug 31 14:15:59 yellowbox kernel: test 1 (128 bit key):
Aug 31 14:15:59 yellowbox kernel: e353779c1079aeb82708942dbe77181a
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 2 (128 bit key):
Aug 31 14:15:59 yellowbox kernel:
d296cd94c2cccf8a3a863028b5e1dc0a7586602d253cfff91b8266bea6d61ab1
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing cbc(aes) encryption across
pages (chunking)
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing cbc(aes) decryption
Aug 31 14:15:59 yellowbox kernel: test 1 (128 bit key):
Aug 31 14:15:59 yellowbox kernel: 53696e676c6520626c6f636b206d7367
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 2 (128 bit key):
Aug 31 14:15:59 yellowbox kernel:
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing cbc(aes) decryption across
pages (chunking)
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing lrw(aes) encryption
Aug 31 14:15:59 yellowbox kernel: test 1 (256 bit key):
Aug 31 14:15:59 yellowbox kernel: f1b273cd65a3df5fe95d489254634eb8
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 2 (256 bit key):
Aug 31 14:15:59 yellowbox kernel: 00c82bae95bbcde5274f0769b260e136
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 3 (256 bit key):
Aug 31 14:15:59 yellowbox kernel: 76322183ed8ff182f9596203690e5e01
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 4 (320 bit key):
Aug 31 14:15:59 yellowbox kernel: setkey() failed flags=200000
Aug 31 14:15:59 yellowbox kernel:
Aug 31 14:15:59 yellowbox kernel: testing lrw(aes) decryption
Aug 31 14:15:59 yellowbox kernel: test 1 (256 bit key):
Aug 31 14:15:59 yellowbox kernel: 30313233343536373839414243444546
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 2 (256 bit key):
Aug 31 14:15:59 yellowbox kernel: 30313233343536373839414243444546
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 3 (256 bit key):
Aug 31 14:15:59 yellowbox kernel: 30313233343536373839414243444546
Aug 31 14:15:59 yellowbox kernel: pass
Aug 31 14:15:59 yellowbox kernel: test 4 (320 bit key):
Aug 31 14:15:59 yellowbox kernel: setkey() failed flags=200000

--------------tcrypt mode=200-------------------->

testing speed of ecb(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 1337 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1746 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3334 cycles (256
bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 9652 cycles (1024
bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 71057 cycles
(8192 bytes)
test 5 (192 bit key, 16 byte blocks): setkey() failed flags=200000

testing speed of ecb(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 1323 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1740 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3309 cycles (256
bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 9700 cycles (1024
bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 71029 cycles
(8192 bytes)
test 5 (192 bit key, 16 byte blocks): setkey() failed flags=200000

testing speed of cbc(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 1675 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 2088 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3652 cycles (256
bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 10010 cycles
(1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 72083 cycles
(8192 bytes)
test 5 (192 bit key, 16 byte blocks): setkey() failed flags=200000

testing speed of cbc(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 1705 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 2127 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3689 cycles (256
bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 10051 cycles
(1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 72185 cycles
(8192 bytes)
test 5 (192 bit key, 16 byte blocks): setkey() failed flags=200000

testing speed of lrw(aes) encryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 2335 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 4767 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 14738 cycles (256
bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 54381 cycles
(1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 426181 cycles
(8192 bytes)
test 5 (320 bit key, 16 byte blocks): setkey() failed flags=200000

testing speed of lrw(aes) decryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 2315 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 4768 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 14650 cycles (256
bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 54275 cycles
(1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 425134 cycles
(8192 bytes)
test 5 (320 bit key, 16 byte blocks): setkey() failed flags=200000
Thanks,
Thanks,
Markus
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