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NilsyDK
PostPosted: Fri Mar 01, 2013 2:06 am 
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Joined: Fri Feb 22, 2013 4:09 pm
Posts: 4
Hey

I was messing around with my new Yubikey Neo, and I wanted to disable the CCID portion. I thought, I remembered the correct mode (the first one). However I forgot that engineers count from 0, so insted of disabling CCID I disabled OTP.

"No problem", I thought, "I'll just download ykneo-ccid-modeswitch and enable it again."

But I can't compile it on my ubuntu 12.04 box without commeting out

    AC_LIBTOOL_WIN32_DLL
    AC_PROG_LIBTOOL

in configure.ac. And when I try to run the binary I get an error.

So anyone got a compiled version for windows or linux(amd64)?

Regards,

Nils


Last edited by NilsyDK on Mon Mar 18, 2013 3:47 pm, edited 1 time in total.

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Klas
PostPosted: Fri Mar 01, 2013 8:42 am 
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Joined: Thu Apr 19, 2012 1:45 pm
Posts: 148
Hello,

You need to install libtool as well (I'll add it to the dependency list). And we'll work on finishing up that tool with releases and binary packages.

Did it work for you to remove those lines and use the tool?

/klas
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NilsyDK
PostPosted: Sun Mar 03, 2013 2:40 pm 
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Joined: Fri Feb 22, 2013 4:09 pm
Posts: 4
Cheers.

    apt-get install libtool

clears out the error I get when I run autoreconfig on a unmodified source.

However

    ykneo-ccid-modeswitch -m0


still return the following error:

    error: SCardEstablishContext failed, rc=8010001d

It makes no diffrence whether I run the command as root or not.

Any suggestions?

A bit of info on my system:

    user@host:~> uname -a
    Linux piranha 3.2.0-38-generic #61-Ubuntu SMP Tue Feb 19 12:18:21 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

    user@host:~> lsb_release -a
    No LSB modules are available.
    Distributor ID: Ubuntu
    Description: Ubuntu 12.04.2 LTS
    Release: 12.04
    Codename: precise
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MickFlemm
PostPosted: Mon Mar 04, 2013 7:26 pm 
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Joined: Mon Mar 04, 2013 6:57 pm
Posts: 5
Same problem here, it seems pcsc doesn't recognize the CCID reader:

Code:
mick@makhs ~/tmp/ykneo-ccid-tools $ opensc-tool -a
0x9fa9f900 20:19:04.877 [opensc-tool] ctx.c:714:sc_context_create: ===================================
0x9fa9f900 20:19:04.877 [opensc-tool] ctx.c:715:sc_context_create: opensc version: 0.13.0
0x9fa9f900 20:19:04.877 [opensc-tool] reader-pcsc.c:666:pcsc_init: PC/SC options: connect_exclusive=0 disconnect_action=1 transaction_end_action=0 reconnect_action=0 enable_pinpad=1 enable_pace=1
0x9fa9f900 20:19:04.877 [opensc-tool] reader-pcsc.c:948:pcsc_detect_readers: called
0x9fa9f900 20:19:04.877 [opensc-tool] reader-pcsc.c:956:pcsc_detect_readers: Probing pcsc readers
0x9fa9f900 20:19:04.877 [opensc-tool] reader-pcsc.c:978:pcsc_detect_readers: Establish pcsc context
0x9fa9f900 20:19:04.878 [opensc-tool] reader-pcsc.c:973:pcsc_detect_readers: SCardListReaders failed: 0x8010002e
0x9fa9f900 20:19:04.878 [opensc-tool] reader-pcsc.c:1101:pcsc_detect_readers: returning with: -1101 (No readers found)
No smart card readers found.
0x9fa9f900 20:19:04.878 [opensc-tool] ctx.c:787:sc_release_context: called
0x9fa9f900 20:19:04.878 [opensc-tool] reader-pcsc.c:745:pcsc_finish: called


This is what pcscd gives on debug output

Code:
02695395 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1050, PID: 0x0112, path: /dev/bus/usb/003/012


I'll try to patch pcsc-lite and let you know...
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MickFlemm
PostPosted: Mon Mar 04, 2013 8:23 pm 
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Joined: Mon Mar 04, 2013 6:57 pm
Posts: 5
I added the usb id on supported_readers.txt of ccid driver and this is what I got:

Code:
00000037 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1050, PID: 0x0112, path: /dev/bus/usb/003/014
00000016 hotplug_libudev.c:312:HPAddDevice() Adding USB device: Yubikey NEO
00003771 readerfactory.c:978:RFInitializeReader() Attempting startup of Yubikey NEO 00 00 using /usr/lib/readers/usb/ifd-ccid.bundle/Contents/Linux/libccid.so
00000303 readerfactory.c:868:RFBindFunctions() Loading IFD Handler 3.0
00000042 ifdhandler.c:1840:init_driver() Driver version: 1.4.9
00000462 ifdhandler.c:1857:init_driver() LogLevel: 0x0003
00000018 ifdhandler.c:1868:init_driver() DriverOptions: 0x0000
00000117 ifdhandler.c:83:CreateChannelByNameOrChannel() Lun: 0, device: usb:1050/0112:libudev:0:/dev/bus/usb/003/014
00000033 ccid_usb.c:228:OpenUSBByName() Using: /usr/lib/readers/usb/ifd-ccid.bundle/Contents/Info.plist
00000422 ccid_usb.c:246:OpenUSBByName() ifdManufacturerString: Ludovic Rousseau (ludovic.rousseau@free.fr)
00000017 ccid_usb.c:247:OpenUSBByName() ifdProductString: Generic CCID driver
00000015 ccid_usb.c:248:OpenUSBByName() Copyright: This driver is protected by terms of the GNU Lesser General Public License version 2.1, or (at your option) any later version.
00044080 ccid_usb.c:521:OpenUSBByName() Found Vendor/Product: 1050/0112 (Yubikey NEO)
00000014 ccid_usb.c:523:OpenUSBByName() Using USB bus/device: 3/14
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00000005 ccid_usb.c:1021:get_data_rates() declared: 1327291630 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 1267570575 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -662852261 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -2046959882 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 1306663502 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1284424241 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1698961815 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -1139053065 bps
00000016 ccid_usb.c:1021:get_data_rates() declared: 1945195127 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 531482430 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -119919172 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 1667096575 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -1347085579 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 1624877961 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 1740492775 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -979639301 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -235024550 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: 1827094311 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -378542697 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1142964248 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -1879714023 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1694041606 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 987348951 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -235416741 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: 684990359 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1377809642 bps
00000005 ccid_usb.c:1021:get_data_rates() declared: -674818757 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1853910732 bps
00000006 ccid_usb.c:1021:get_data_rates() declared: -1767958273 bps
00024552 ifdhandler.c:358:IFDHGetCapabilities() tag: 0xFB3, usb:1050/0112:libudev:0:/dev/bus/usb/003/014 (lun: 0)
00000016 readerfactory.c:332:RFAddReader() Using the reader polling thread
00002016 ifdhandler.c:358:IFDHGetCapabilities() tag: 0xFAE, usb:1050/0112:libudev:0:/dev/bus/usb/003/014 (lun: 0)
00000013 ifdhandler.c:446:IFDHGetCapabilities() Reader supports 1 slot(s)


Seems it is recognized...

Code:
opensc-tool -a
0x9c595900 21:18:41.910 [opensc-tool] ctx.c:714:sc_context_create: ===================================
0x9c595900 21:18:41.910 [opensc-tool] ctx.c:715:sc_context_create: opensc version: 0.13.0
0x9c595900 21:18:41.910 [opensc-tool] reader-pcsc.c:666:pcsc_init: PC/SC options: connect_exclusive=0 disconnect_action=1 transaction_end_action=0 reconnect_action=0 enable_pinpad=1 enable_pace=1
0x9c595900 21:18:41.910 [opensc-tool] reader-pcsc.c:948:pcsc_detect_readers: called
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:956:pcsc_detect_readers: Probing pcsc readers
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:978:pcsc_detect_readers: Establish pcsc context
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:1026:pcsc_detect_readers: Found new pcsc reader 'Yubikey NEO 00 00'
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:283:refresh_attributes: Yubikey NEO 00 00 check
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:307:refresh_attributes: current  state: 0x00000012
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:308:refresh_attributes: previous state: 0x00000000
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:362:refresh_attributes: card absent
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:1057:pcsc_detect_readers: Requesting reader features ...
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:1067:pcsc_detect_readers: Yubikey NEO 00 00:SCardConnect(DIRECT): 0x00000000
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:824:detect_reader_features: called
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:845:detect_reader_features: Reader feature 0a found
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:845:detect_reader_features: Reader feature 12 found
0x9c595900 21:18:41.911 [opensc-tool] reader-pcsc.c:919:detect_reader_features: Reader does not have a display.
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:1101:pcsc_detect_readers: returning with: 0 (Success)
0x9c595900 21:18:41.913 [opensc-tool] sc.c:231:sc_detect_card_presence: called
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:370:pcsc_detect_card_presence: called
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:283:refresh_attributes: Yubikey NEO 00 00 check
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:299:refresh_attributes: returning with: 0 (Success)
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:375:pcsc_detect_card_presence: returning with: 0 (Success)
0x9c595900 21:18:41.913 [opensc-tool] sc.c:236:sc_detect_card_presence: returning with: 0 (Success)
0x9c595900 21:18:41.913 [opensc-tool] sc.c:231:sc_detect_card_presence: called
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:370:pcsc_detect_card_presence: called
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:283:refresh_attributes: Yubikey NEO 00 00 check
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:299:refresh_attributes: returning with: 0 (Success)
0x9c595900 21:18:41.913 [opensc-tool] reader-pcsc.c:375:pcsc_detect_card_presence: returning with: 0 (Success)
0x9c595900 21:18:41.913 [opensc-tool] sc.c:236:sc_detect_card_presence: returning with: 0 (Success)
Card not present.
0x9c595900 21:18:41.914 [opensc-tool] ctx.c:787:sc_release_context: called
0x9c595900 21:18:41.914 [opensc-tool] reader-pcsc.c:745:pcsc_finish: called


However the command still fails...

Code:
error: SCardConnect failed, rc=8010000c


And gpg also fails...

Code:
gpg --card-status
gpg: selecting openpgp failed: Unsupported certificate
gpg: OpenPGP card not available: Unsupported certificate
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MickFlemm
PostPosted: Mon Mar 04, 2013 8:45 pm 
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Joined: Mon Mar 04, 2013 6:57 pm
Posts: 5
Ok seems that when I touch the button, the card is present...

Code:
99999999 ifdhandler.c:1122:IFDHPowerICC() action: PowerUp, usb:1050/0112:libudev:0:/dev/bus/usb/003/015 (lun: 0)
00008006 eventhandler.c:372:EHStatusHandlerThread() powerState: POWER_STATE_POWERED
00000020 eventhandler.c:387:EHStatusHandlerThread() Card inserted into Yubikey NEO 00 00
00000020 Card ATR: 3B FD 13 00 00 81 31 FE 45 41 37 30 30 36 43 47 20 32 34 32 52 31 D6
05003955 ifdhandler.c:1122:IFDHPowerICC() action: PowerDown, usb:1050/0112:libudev:0:/dev/bus/usb/003/015 (lun: 0)


So now opensc detects the card and tries to exchange ATRs but it's an unknown card to opensc (it should detect an openpgp card)...

Code:
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:189:sc_connect_card: trying driver 'javacard'
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:870:match_atr_table: ATR     : 3b:fd:13:00:00:81:31:fe:45:41:37:30:30:36:43:47:20:32:34:32:52:31:d6
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:881:match_atr_table: ATR try : 3b:db:18:00:80:b1:fe:45:1f:83:00:31:c0:64:c7:fc:10:00:01:90:00:fa
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:884:match_atr_table: ignored - wrong length
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:881:match_atr_table: ATR try : 3b:75:94:00:00:62:02:02:02:01
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:884:match_atr_table: ignored - wrong length
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:881:match_atr_table: ATR try : 3b:95:95:40:ff:ae:01:03:00:00
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:884:match_atr_table: ignored - wrong length
0xaf7d8900 21:38:19.598 [opensc-tool] card.c:189:sc_connect_card: trying driver 'default'
0xaf7d8900 21:38:19.599 [opensc-tool] card.c:196:sc_connect_card: matched: Default driver for unknown cards


Again gnupg doesn't work...

Code:
gpg --card-status
gpg: selecting openpgp failed: Unsupported certificate
gpg: OpenPGP card not available: Unsupported certificate


But at least the command did work...

Code:
./ykneo-ccid-modeswitch -m2   

SCardTransmit [NEO select aid]: 12 bytes
0000: 03 00 03 01 05 07 02 0f-00 00 90 00             <............    >

Version:       3.0.3
Seq:           1
Mode:          02
Flags:         00
CR timeout:    15
Eject time:    0

Commit? (y/n) [n]: y

SCardTransmit [NEO write config]: 8 bytes
0000: 03 00 03 02 05 07 90 00                         <........        >

Seq:           2
Update successful


However now the Yubikey has a different usb id so I again have to patch ccid to support it...

May I ask what version of pcsc-lite / ccid / opensc /gnupg have you used for your tests ? Did you test them on Linux ?
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MickFlemm
PostPosted: Mon Mar 04, 2013 9:08 pm 
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Joined: Mon Mar 04, 2013 6:57 pm
Posts: 5
Also another thing that seems weird...

Code:
Card ATR: 3B FD 13 00 00 81 31 FE 45 41 37 30 30 36 43 47 20 32 34 32 52 31 D6


This translates to

Code:
;ø��1þEJCOPv24


Seems that the openpgp applet is not initialized ! Any ideas ?
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Klas
PostPosted: Mon Mar 11, 2013 1:09 pm 
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Joined: Thu Apr 19, 2012 1:45 pm
Posts: 148
Hello.

Glad to see your interest and detailed posts!

I'll try to answer your previous posts, if I miss something, point it out to me again..

As you noticed, in mode 81 (flag-eject + ccid) you need to press the button to "insert" the card, press again and it's removed.

The ATR of the YubiKey NEO is not the same as the standard openpgp smart cards, this is because it's another implementation and as it's a javacard it can have more applications loaded than just the openpgp app, the YubiKey app being one. This makes it incompatible with the opensc openpgp driver (we're looking at other options for opensc support for the neo).

The NEO presents three different productIds depending on mode:
0x0110 pure OTP
0x0111 OTP+CCID
0x0112 pure CCID

0x0111 is added in pcsc-lite svn and 0x0112 should be (we messed up the submission a bit..)

The gnupg error you're getting seems to be a permission error. On debian (at least?) udev rules seem to be added by default for the pcscd group. We've mostly used gnupg with gpg-agent and scdaemon with pcscd to interface with the neo, but we've tested it with the builtin ccid driver in gnupg as well.

/klas
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Jakob
PostPosted: Fri Mar 15, 2013 1:46 pm 
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Joined: Wed May 28, 2008 7:04 pm
Posts: 263
Location: Yubico base camp in Sweden - Now in Palo Alto
Ok - this issue has now finally been tracked down. What happens is that even though the device shows it does not support a list of clock- and data rates, this is queried anyway. The NEO does not stall (reject) these requests, causing garbage to show up there.

We've fixed this in the most recent firmware. If this causes any problems in your application, please let us know and we'll arrange with a replacement.

Thanks for reporting this issue.

With the best regards,

JakobE
Hardware- and firmware guy @ Yubico
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NilsyDK
PostPosted: Fri Mar 15, 2013 10:12 pm 
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Joined: Fri Feb 22, 2013 4:09 pm
Posts: 4
Jakob wrote:
Ok - this issue has now finally been tracked down. What happens is that even though the device shows it does not support a list of clock- and data rates, this is queried anyway. The NEO does not stall (reject) these requests, causing garbage to show up there.

We've fixed this in the most recent firmware. If this causes any problems in your application, please let us know and we'll arrange with a replacement.

Thanks for reporting this issue.

With the best regards,

JakobE
Hardware- and firmware guy @ Yubico


Does this mean that my yubikey neo in CCID only mode is locked int to CCID only mode?
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