OpenSSH 6.3p1 Smartcard-Support

Markus Friedl mfriedl at gmail.com
Wed Dec 11 22:48:25 EST 2013


ssh(1) cannot find the public keys via PKCS#11.
please try the latest snapshot.


Am 11.12.2013 um 12:23 schrieb Benjamin Fras <benjaminfras at netbens.de>:

> Hi,
> 
> thanks for your reply. Please find attached the debug trace of the openssh-client:
> 
> ssh -I /usr/lib/libeToken.so -p 222 10.0.0.41 -vvv
> 
> OpenSSH_6.4, OpenSSL 1.0.1c 10 May 2012
> debug1: Reading configuration data /usr/local/etc/ssh_config
> debug2: ssh_connect: needpriv 0
> debug1: Connecting to 10.0.0.41 [10.0.0.41] port 222.
> debug1: Connection established.
> debug1: manufacturerID <SafeNet, Inc.> cryptokiVersion 2.20 libraryDescription <SafeNet eToken PKCS#11> libraryVersion 8.3
> debug1: label <eToken> manufacturerID <SafeNet, Inc.> model <eToken> serial <0052787c> flags 0x60d
> no keys
> debug3: Incorrect RSA1 identifier
> debug3: Could not load "/home/benjaminfras/.ssh/id_rsa" as a RSA1 public key
> debug1: identity file /home/benjaminfras/.ssh/id_rsa type 1
> debug1: identity file /home/benjaminfras/.ssh/id_rsa-cert type -1
> debug1: identity file /home/benjaminfras/.ssh/id_dsa type -1
> debug1: identity file /home/benjaminfras/.ssh/id_dsa-cert type -1
> debug1: identity file /home/benjaminfras/.ssh/id_ecdsa type -1
> debug1: identity file /home/benjaminfras/.ssh/id_ecdsa-cert type -1
> debug1: Enabling compatibility mode for protocol 2.0
> debug1: Local version string SSH-2.0-OpenSSH_6.4
> debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9p1 Debian-5ubuntu1.1
> debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1.1 pat OpenSSH_5*
> debug2: fd 3 setting O_NONBLOCK
> debug3: put_host_port: [10.0.0.41]:222
> debug3: load_hostkeys: loading entries for host "[10.0.0.41]:222" from file "/home/benjaminfras/.ssh/known_hosts"
> debug3: load_hostkeys: found key type ECDSA in file /home/benjaminfras/.ssh/known_hosts:1
> debug3: load_hostkeys: loaded 1 keys
> debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-v01 at openssh.com,ecdsa-sha2-nistp384-cert-v01 at openssh.com,ecdsa-sha2-nistp521-cert-v01 at openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
> debug1: SSH2_MSG_KEXINIT sent
> debug1: SSH2_MSG_KEXINIT received
> debug2: kex_parse_kexinit: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
> debug2: kex_parse_kexinit: ecdsa-sha2-nistp256-cert-v01 at openssh.com,ecdsa-sha2-nistp384-cert-v01 at openssh.com,ecdsa-sha2-nistp521-cert-v01 at openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-rsa-cert-v01 at openssh.com,ssh-dss-cert-v01 at openssh.com,ssh-rsa-cert-v00 at openssh.com,ssh-dss-cert-v00 at openssh.com,ssh-rsa,ssh-dss
> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-gcm at openssh.com,aes256-gcm at openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-gcm at openssh.com,aes256-gcm at openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
> debug2: kex_parse_kexinit: hmac-md5-etm at openssh.com,hmac-sha1-etm at openssh.com,umac-64-etm at openssh.com,umac-128-etm at openssh.com,hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac-ripemd160-etm at openssh.com,hmac-sha1-96-etm at openssh.com,hmac-md5-96-etm at openssh.com,hmac-md5,hmac-sha1,umac-64 at openssh.com,umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
> debug2: kex_parse_kexinit: hmac-md5-etm at openssh.com,hmac-sha1-etm at openssh.com,umac-64-etm at openssh.com,umac-128-etm at openssh.com,hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac-ripemd160-etm at openssh.com,hmac-sha1-96-etm at openssh.com,hmac-md5-96-etm at openssh.com,hmac-md5,hmac-sha1,umac-64 at openssh.com,umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
> debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
> debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
> debug2: kex_parse_kexinit: 
> debug2: kex_parse_kexinit: 
> debug2: kex_parse_kexinit: first_kex_follows 0 
> debug2: kex_parse_kexinit: reserved 0 
> debug2: kex_parse_kexinit: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
> debug2: kex_parse_kexinit: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256
> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160 at openssh.com,hmac-sha1-96,hmac-md5-96
> debug2: kex_parse_kexinit: none,zlib at openssh.com
> debug2: kex_parse_kexinit: none,zlib at openssh.com
> debug2: kex_parse_kexinit: 
> debug2: kex_parse_kexinit: 
> debug2: kex_parse_kexinit: first_kex_follows 0 
> debug2: kex_parse_kexinit: reserved 0 
> debug2: mac_setup: found hmac-md5
> debug1: kex: server->client aes128-ctr hmac-md5 none
> debug2: mac_setup: found hmac-md5
> debug1: kex: client->server aes128-ctr hmac-md5 none
> debug1: sending SSH2_MSG_KEX_ECDH_INIT
> debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
> debug1: Server host key: ECDSA 3a:84:54:ef:16:55:52:27:d5:c4:cf:bd:9d:e8:0a:ac
> debug3: put_host_port: [10.0.0.41]:222
> debug3: put_host_port: [10.0.0.41]:222
> debug3: load_hostkeys: loading entries for host "[10.0.0.41]:222" from file "/home/benjaminfras/.ssh/known_hosts"
> debug3: load_hostkeys: found key type ECDSA in file /home/benjaminfras/.ssh/known_hosts:1
> debug3: load_hostkeys: loaded 1 keys
> debug3: load_hostkeys: loading entries for host "[10.0.0.41]:222" from file "/home/benjaminfras/.ssh/known_hosts"
> debug3: load_hostkeys: found key type ECDSA in file /home/benjaminfras/.ssh/known_hosts:1
> debug3: load_hostkeys: loaded 1 keys
> debug1: Host '[10.0.0.41]:222' is known and matches the ECDSA host key.
> debug1: Found key in /home/benjaminfras/.ssh/known_hosts:1
> debug1: ssh_ecdsa_verify: signature correct
> debug2: kex_derive_keys
> debug2: set_newkeys: mode 1
> debug1: SSH2_MSG_NEWKEYS sent
> debug1: expecting SSH2_MSG_NEWKEYS
> debug2: set_newkeys: mode 0
> debug1: SSH2_MSG_NEWKEYS received
> debug1: Roaming not allowed by server
> debug1: SSH2_MSG_SERVICE_REQUEST sent
> debug2: service_accept: ssh-userauth
> debug1: SSH2_MSG_SERVICE_ACCEPT received
> debug2: key: /home/benjaminfras/.ssh/id_rsa (0x85d3b0),
> debug2: key: /home/benjaminfras/.ssh/id_dsa ((nil)),
> debug2: key: /home/benjaminfras/.ssh/id_ecdsa ((nil)),
> debug1: Authentications that can continue: publickey
> debug3: start over, passed a different list publickey
> debug3: preferred publickey,keyboard-interactive,password
> debug3: authmethod_lookup publickey
> debug3: remaining preferred: keyboard-interactive,password
> debug3: authmethod_is_enabled publickey
> debug1: Next authentication method: publickey
> debug1: Offering RSA public key: /home/benjaminfras/.ssh/id_rsa
> debug3: send_pubkey_test
> debug2: we sent a publickey packet, wait for reply
> debug1: Authentications that can continue: publickey
> debug1: Trying private key: /home/benjaminfras/.ssh/id_dsa
> debug3: no such identity: /home/benjaminfras/.ssh/id_dsa: No such file or directory
> debug1: Trying private key: /home/benjaminfras/.ssh/id_ecdsa
> debug3: no such identity: /home/benjaminfras/.ssh/id_ecdsa: No such file or directory
> debug2: we did not send a packet, disable method
> debug1: No more authentication methods to try.
> Permission denied (publickey).
> 
> If you have a look at line 8, you'll see that no keys were found. I'm wondering why. I assume that the Safnet driver is not behaving the way as expected from the pkcs11-helper, which is used by openssh-client (please correct me if I'm wrong).
> 
> Ben 
> 
> 
> 
> -----Ursprüngliche Nachricht-----
>> Von:Damien Miller <djm at mindrot.org <mailto:djm at mindrot.org> >
>> Gesendet: Mit 11 Dezember 2013 11:24
>> An: Benjamin Fras <benjaminfras at netbens.de <mailto:benjaminfras at netbens.de> >
>> CC: openssh-unix-dev at mindrot.org <mailto:openssh-unix-dev at mindrot.org> 
>> Betreff: Re: OpenSSH 6.3p1 Smartcard-Support
>> 
>> 
>> 
>> On Wed, 11 Dec 2013, Benjamin Fras wrote:
>> 
>>> Hi there,
>>> 
>>> has anybody managed to get the eToken Pro Anywhere work with SSH? I'm
>>> using the latest SafeNetAuthentication drivers available for Ubuntu
>>> 64bit (8.3) and everything is working just fine except for ssh. I
>>> can use the eToken for logging in, openvpn, rdestkop, etc. but it
>>> seems ssh does not recognize the device properly. The command "ssh
>>> -I /usr/lib/libeToken.so.8 user at hostname" is accessing the eToken
>>> somehow, as indicated by the blinking led. But it doesn't ask for
>>> a pin and thus the connection is aborted due to "no authentication
>>> methods available".
>> 
>> You'll need to post at least a debug trace if you want help.
>> 
>> -d
>> 
>> 
> 
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