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2017-01-03 11:10:10 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>otp-sca</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><H1
><A
NAME="AEN1"
></A
><SPAN
CLASS="APPLICATION"
>otp-sca</SPAN
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN6"
></A
><H2
>Name</H2
><SPAN
CLASS="APPLICATION"
>otp-sca</SPAN
>&nbsp;--&nbsp;Smart Card Administration for One Time Password package.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN10"
></A
><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>otp-sca</B
> [-?hlp] [-a<TT
CLASS="REPLACEABLE"
><I
> admin_keyfile</I
></TT
>] [-c<TT
CLASS="REPLACEABLE"
><I
> count</I
></TT
>] [-d<TT
CLASS="REPLACEABLE"
><I
> debug_level</I
></TT
>] [-i<TT
CLASS="REPLACEABLE"
><I
> index</I
></TT
>] [-m<TT
CLASS="REPLACEABLE"
><I
> command_mode</I
></TT
>] [-M<TT
CLASS="REPLACEABLE"
><I
> modifiers</I
></TT
>] [-r<TT
CLASS="REPLACEABLE"
><I
> reader</I
></TT
>] [-R<TT
CLASS="REPLACEABLE"
><I
> reader_keyfile</I
></TT
>] [-u<TT
CLASS="REPLACEABLE"
><I
> username</I
></TT
>] [-v<TT
CLASS="REPLACEABLE"
><I
> card_api_version</I
></TT
>]</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN34"
></A
><H2
>DESCRIPTION</H2
><P
>The <B
CLASS="COMMAND"
>otp-sca</B
> command implements a terminal for an MCU based
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Smart Card loaded with the OTP firmware (HOTPC.IMG). Host entries consisting
of {hostname,count,shared_key} are downloaded to the Smart Card using
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<B
CLASS="COMMAND"
>otp-sca</B
>. Additionally commands implemented on the
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Smart Card such as HOTP generation and PIN maintenance can be executed
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with the appropriate administratative key.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN39"
></A
><H2
>OPTIONS</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
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>-a, --sc-admin-key=<TT
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CLASS="REPLACEABLE"
><I
> admin_keyfile</I
></TT
></DT
><DD
><P
>Smart Card administratative key. The admin-enable command and
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administratative key are used to toggle the Smart Card into admin mode.
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Once in admin mode commands admin-disable, adminkey-set, balancecard-set,
host-get, host-set, pin-set, and sc-clear can be executed. The default admin
key, "3030303030303030303030303030303030303030" (HEX), should be changed to
restrict access to the above commands.</P
></DD
><DT
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>-c, --sc-count=<TT
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CLASS="REPLACEABLE"
><I
> count</I
></TT
></DT
><DD
><P
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>Configure the count parameter optionally used by the hotp-gen command.
A count value of 0 indicates the HOTP value is to be calculated with the
current stored count.</P
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></DD
><DT
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>-d, --debug=<TT
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CLASS="REPLACEABLE"
><I
> debug_level</I
></TT
></DT
><DD
><P
>Set debug level.</P
></DD
><DT
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>-h, --help</DT
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><DD
><P
>Help.</P
></DD
><DT
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>-i, --sc-index=<TT
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CLASS="REPLACEABLE"
><I
> index</I
></TT
></DT
><DD
><P
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>Set the 8 bit index. The Smart Card contains numerically indexed records
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for each host of the form {hostname,count,shared_key}. The firmware
will support indexes in the range 0..254. 255 is reserved. Memory
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capacity on the Smart Card may further restrict the index range. The
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ZC3.9 BasicCard with firmware revision 3 supports up to 85 records.</P
></DD
><DT
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>-l, --list-readers</DT
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><DD
><P
>List SC Readers</P
></DD
><DT
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>-m, --sc-command=<TT
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CLASS="REPLACEABLE"
><I
> command_mode</I
></TT
></DT
><DD
><P
></P
><PRE
CLASS="SCREEN"
> Command Mode Description Notes Modifiers
---------------------------------------------------------------
admin-enable - Enable Admin Mode 1
admin-disable - Disable Admin Mode
adminkey-set - Set Admin Key 1
balancecard-set - Set Balance Card Index 1
capabilities-get - Get Capabilities
host-get - Get host entry 1,2,4 d
host-set - Set host entry 1,4
hostname-get - Get Hostname for Index 2,3
hotp-gen - Generate HOTP for Index 3 chr
pin-set - Set PIN 3
pin-test - Test/Verify PIN 3
reader-key-set - Set Reader Key 1
sc-clear - Clear all SC data 1
spyrus-ee-get - Spyrus EEProm read 5
spyrus-ee-set - Spyrus EEProm write 5
version - Firmware version
Notes (*):
1 Admin Enable required.
2 Iterate over all if no index specified.
3 PIN or Admin Enable required.
4 version 3 firmware supports 32 bit count, version 2 16 bit count.
5 Spyrus customization SC firmware
Modifiers: (version 3+ SC firmware)
c pass count to SC.
h return hostname from SC.
d output in otpdb load friendly format.
r include reader key in request.&#13;</PRE
></DD
><DT
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>-M, --sc-command-modifier=<TT
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CLASS="REPLACEABLE"
><I
> modifiers</I
></TT
></DT
><DD
><P
>Configure command_mode modifiers. Modifier d applied to the host-get
command will generate output in otpdb format. Count (c) and Host (h)
used with hotp-gen allow passing the Count and Host parameters
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respectively. The Smart Card may not be configured to support
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all variations of a command.</P
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></DD
><DT
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>-p, --no-pin</DT
><DD
><P
>Do not prompt for PIN. The Smart Card does not require a PIN when admin
mode is enabled.</P
></DD
><DT
>-r, --reader=<TT
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CLASS="REPLACEABLE"
><I
> reader</I
></TT
></DT
><DD
><P
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>Set Smart Card reader. Use -l to list available readers. A reader
is defined as class:reader:[<SPAN
CLASS="OPTIONAL"
>option</SPAN
>]. PCSC and embedded
are the two available classes. The embedded class contains the acr30s driver
which is specified as embedded:acr30s:[<SPAN
CLASS="OPTIONAL"
>serial_port</SPAN
>].
If pcscd is running the first PC/SC reader will be the default followed by
the embedded acr30s driver. Use PCSC: for the first available PC/SC
reader. Use embedded:acr30s:/dev/cuaU0 for the embedded acr30s driver
with serial port /dev/cuaU0.</P
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></DD
><DT
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>-R, --sc-reader-key=<TT
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CLASS="REPLACEABLE"
><I
> reader_keyfile</I
></TT
></DT
><DD
><P
>Smart Card Reader key. The reader-key-set command can be used
to set this key in the Smart Card. To emulate the behavior of
a reader using the key the r modifier may be used with this option
and the hotp-gen command to pass the key to the Smart Card.</P
><P
>A key consists of 5 bytes in hexadecimal format. The default
key is "00000" or 3030303030.</P
><P
>This key must match the key set in the reader. With the Spyrus
PAR II reader this is set in the PAR II EEProm.</P
></DD
><DT
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>-u, --sc-username=<TT
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CLASS="REPLACEABLE"
><I
> username</I
></TT
></DT
><DD
><P
>Set username. The username is used with the host-get command and
d modifier.</P
></DD
><DT
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>-v, --sc-version=<TT
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CLASS="REPLACEABLE"
><I
> card_api_version</I
></TT
></DT
><DD
><P
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>Set the Smart Card API version. The binary API between the terminal
and Smart Card changed between version 2 and 3. See command_mode notes
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above. The default version is 3. Configuring version 2 will allow
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maintenance of Smart Card with version 2 firmware.</P
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></DD
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><DT
>--version</DT
><DD
><P
>Display software version.</P
></DD
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></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
2017-01-03 11:16:53 +00:00
NAME="AEN113"
2017-01-03 11:10:10 +00:00
></A
><H2
>SMART CARD COMMANDS</H2
><P
><B
CLASS="COMMAND"
>admin-enable</B
>
: enable administrative mode. The commands admin-disable, admin-key-set,
balancecard-set, host-get, and sc-clear require admin mode to be enabled.
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pin-set and commands accepting a PIN will not require the PIN to be valid
while the SC is in admin mode. A new key can be generated with
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<B
CLASS="COMMAND"
>openssl rand 160 | openssl sha1</B
>. The hotp-gen
command will automatically disable admin mode.</P
><P
><B
CLASS="COMMAND"
>admin-disable</B
>
: disable administratative mode. Using the command hotp-gen will also
disable admin mode.</P
><P
><B
CLASS="COMMAND"
>adminkey-set</B
>
: set the 160 bit administrative key. The default key is
"00000000000000000000" ASCII or "3030303030303030303030303030303030303030" HEX.</P
><P
><B
CLASS="COMMAND"
>balancecard-set</B
>
: set host index for balance card reader, 0-254. 255 will disable
this command. Using a balance reader to generate a HOTP does not require
the use of a PIN, and is disabled by default.</P
><P
><B
CLASS="COMMAND"
>capabilities-get</B
>
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: each command on the Smart Card is represented by a capabilities bit and
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conditionally compiled into HOTPC.IMG.
capabilities-get will return the available, compiled-in commands. Commands
are defined in <TT
CLASS="FILENAME"
>HOTP.DEF</TT
>:
<PRE
CLASS="SCREEN"
>' ZC commands CLA=80
' b = Byte Idx,Mode,Version
' i = Integer Count
' l = Long Count32,Capabilities
' sn = String length n Hostname(12),ZCKey(20),*PIN(5),HOTP(5),
' AdminKey(20), eeBlock(16), readerKey(5)
' INS Name Format CapabilityID
'------------------------------------------------------------------------
' 00 PRDisplay (CLA=C8) - 00000001
' RecordNumber(byte), DataFormat(byte), DigitCount(byte)
' DecimalPoint(byte), Delay(byte), MoreData(byte),
' Data(String)
' 40 SetHost Idx,Count,Hostname,HOTPKey 00000002
' 42 GetHost Idx,Count,Hostname,HOTPKey 00000004
' 44 GetHostName Idx,myPIN,Hostname 00000008
' 46 GetHOTP Idx,myPIN,HOTP 00000010
' 48 SetAdminMode Mode,AdminKey 00000020
' 4A SetBalanceCardIndex Idx 00000040
' 4C SetPIN myPIN,newPIN 00000080
' 4E TestPIN myPIN 00000100
' 50 GetVersion Version 00000200
' 52 SetAdminKey AdminKey 00000400
' 54 SetHost32 Idx,Count32,Hostname,HOTPKey 00000800
' 56 GetHost32 Idx,Count32,Hostname,HOTPKey 00001000
' 58 GetHOTPCount32 Idx,myPIN,Count32,HOTP 00002000
' 5A GetHOTPHost Idx,myPIN,HOTP,Hostname 00004000
' 5C GetHOTPHostCount32 Idx,myPIN,Count,HOTP,Hostname 00008000
' 5E ClearAll 00010000
' 60 SetReaderKey readerKey 00020000
' 90 GetCapabilities Capabilities XXXXXXXX
' A0 GetEEBlock P1=Idx,eeBlock XXXXXXXX
' A1 SetEEBlock P1=Idx,eeBlock XXXXXXXX</PRE
></P
><P
><B
CLASS="COMMAND"
>host-get</B
>
: retrieve a host record, or all host records if the index is not set.
Fields {index,count,hostname,key} are : separated and represented in HEX.
An index up to 254 may be specified if the SC EEPROM is sufficient.
Count (32 bits) and key (160 bits) are used for generating a HOTP. The
hostname field (12 bytes) can be displayed on readers such as the Spyrus
PAR II. The high bit of each hostname character serve as 12 flag bits,
F0..F11.</P
><PRE
CLASS="SCREEN"
>F0: challenge (count) input is required by the user.
F1: enable reader authentication by the SC for the GetHOTP* commands.
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F2: enable base10 display
F3..F7: reserved
F8-11: FMT3-FMT0. 0000=HEX40 0001=HEX40 0010=DEC31.6 0011=DEC31.7
0100=DEC31.8 0101=DEC31.9 0110=DEC31.10 0011=DHEX40
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Example host record with index=0, count=7, hostname=dev1.eng,
key=E4AACE5EC7291C405ED28949BB6DACA05768319D
#index:count:hostname:key
00:00000007:646576312E656E6700000000:E4AACE5EC7291C405ED28949BB6DACA05768319D&#13;</PRE
><P
><B
CLASS="COMMAND"
>host-set</B
>
: set a host record. Multiple host records may be set, one record per
line.</P
><P
><B
CLASS="COMMAND"
>hostname-get</B
>
: return the hostname for an index, or all hostnames if no index is
specified. Hostnames tagged "**" require the reader PIN.</P
><P
><B
CLASS="COMMAND"
>hotp-gen</B
>
: generate an HOTP for an index. Index is 0 if not specified.
There are four versions of this command, GetHOTP, GetHOTPHost,
GetHOTPCount32, GetHOTPHostCount32 which can be selected
with the Modifiers option. The default SC build includes
the GetHOTPHostCount32 (-Mch), and GetHOTPCount32 (-Mc) commands.
Executing this command will disable administratative mode if set.</P
><P
><B
CLASS="COMMAND"
>pin-set</B
>
: set a user PIN. If the SC is in admin mode the current PIN is not
validated.</P
><P
><B
CLASS="COMMAND"
>pin-test</B
>
: test a user PIN. Specifing a PIN incorrectly more than ten times in
succession will lock the SC. Use the pin-test command in admin mode
to unlock a SC.</P
><P
><B
CLASS="COMMAND"
>reader-key-set</B
>
: set the 40 bit SC reader key. A reader will present this key to the
SC when executing the GetHOTP* commands. If the F1 (flag 1) bit of
the hostname is set, this key must match the key provided by the
reader. This functionality allows the reader to weakly authenticate
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itself to the Smart Card and may be used to restrict HOTP generation to
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a Spyrus PAR II reader.</P
><P
><B
CLASS="COMMAND"
>sc-clear</B
>
: reset the SC to defaults, erase all host entries.</P
><P
><B
CLASS="COMMAND"
>spyrus-ee-get</B
>
: get spyrus EEProm blocks. The HOTP firmware for the Spyrus Reader
will load run-time strings from the on-board EEProm programmable from
a SC loaded with the Spyrus Personalization firmware. The spyrus-ee-get
command will read these strings from a SC. The 256K Byte EEProm is read
organized into 16 byte blocks. The high bit of the index serves as a last
block flag indicator for the Spyrus reader, allowing for example only block
0 to be overwritten.</P
><PRE
CLASS="SCREEN"
>Spyrus EEProm Memory map and flash defaults:
Note the field length is defined by the number of characters between :'s.
The field length for EE_MAGIC is 3, EE_READER_KEY 5, and EE_CALC_MSG 12.
Symbol Contents/Length
---------------------------------------
EE_MAGIC :maf:
EE_READER_KEY :00000:
EE_CALC_MSG :OARnet:2009 :
EE_L1GREET : OARnet :
EE_L2GREET :PIN: :
EE_L1MAIN : OARnet :
EE_L2MAIN : Verified :
EE_CHALLENGE :Challenge: :
EE_L1LOCKED :10 Failures :
EE_L2LOCKED :Card Locked :
EE_L1ACCESS_DENY : Access :
EE_L2ACCESS_DENY : Denied :
EE_NOHOSTS : No Hosts :
EE_L1NEWPIN :Set New PIN :
EE_L2NEWPIN :NewPIN: :
EE_L3NEWPIN :Again: :
EE_PINCHANGED :PIN Changed :
EE_NOCARD :No Card :
EE_TRYHARDER :Try Harder :</PRE
><PRE
CLASS="SCREEN"
>00:6D616630303030304F41526E65743A32
01:303039202020204F41526E6574202020
02:50494E3A20202020202020202020204F
03:41526E65742020202020566572696669
04:656420204368616C6C656E67653A2020
05:3130204661696C757265732043617264
06:204C6F636B6564202020204163636573
07:7320202020202044656E696564202020
08:20204E6F20486F737473202053657420
09:4E65772050494E204E657750494E3A20
0A:20202020416761696E3A202020202020
0B:50494E204368616E676564204E6F2043
0C:61726420202020205472792048617264
8D:65722020000000000000000000000000</PRE
><P
>Note this command works with the Spyrus Personalization SC firmware only.</P
><P
><B
CLASS="COMMAND"
>spyrus-ee-set</B
>
: set spyrus EEProm blocks.</P
><P
>Note this command works with the Spyrus Personalization SC firmware only.</P
><P
><B
CLASS="COMMAND"
>version</B
>
: display firmware version of SC.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
2017-01-03 11:16:53 +00:00
NAME="AEN155"
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></A
><H2
>EXAMPLES</H2
><DIV
CLASS="INFORMALEXAMPLE"
><P
></P
><A
2017-01-03 11:16:53 +00:00
NAME="AEN157"
2017-01-03 11:10:10 +00:00
></A
><P
>Change the administratative key from the default. Disable admin mode
when done.</P
><PRE
CLASS="SCREEN"
><B
CLASS="COMMAND"
>echo "3030303030303030303030303030303030303030" &#62; default.key</B
>
<B
CLASS="COMMAND"
>otp-sca -a default.key -m admin-enable</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>AdminMode: enabled.</SAMP
>
<B
CLASS="COMMAND"
>openssl rand 160 | openssl sha1 &#62; secret.key </B
>
<B
CLASS="COMMAND"
>otp-sca -a secret.key -m adminkey-set</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>Set AdminKey: Done</SAMP
>
<B
CLASS="COMMAND"
>otp-sca -a secret.key -m admin-disable</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>AdminMode: disabled.</SAMP
>&#13;</PRE
><P
></P
></DIV
><DIV
CLASS="INFORMALEXAMPLE"
><P
></P
><A
2017-01-03 11:16:53 +00:00
NAME="AEN168"
2017-01-03 11:10:10 +00:00
></A
><P
>Use <B
CLASS="COMMAND"
>otp-control</B
> to create a new database for system dev1 with
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user test, store the test user database entry to the Smart Card with
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<B
CLASS="COMMAND"
>otp-sca</B
>.</P
><PRE
CLASS="SCREEN"
># Create a new new OTP database /tmp/otpdb
<B
CLASS="COMMAND"
>otp-control -no /tmp/otpdb -m create</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>Created db /tmp/otpdb.</SAMP
>
# add user test
<B
CLASS="COMMAND"
>otp-control -o /tmp/otpdb -u test -m add</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>Adding user test.</SAMP
>
# list user test entry in format ready for otp-sca to import. Hostname
# of system is dev1
<B
CLASS="COMMAND"
>otp-control -o /tmp/otpdb -u test -m list-sc -H dev1 | tail -1 &#62; /tmp/test.list</B
>
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# copy card entry to Smart Card as index 0
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<B
CLASS="COMMAND"
>echo -n "00:"| cat - /tmp/test.list | ./otp-sca -m host-set</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>SetHost (0): Done</SAMP
>&#13;</PRE
><P
></P
></DIV
><DIV
CLASS="INFORMALEXAMPLE"
><P
></P
><A
2017-01-03 11:16:53 +00:00
NAME="AEN180"
2017-01-03 11:10:10 +00:00
></A
><P
>Dump card contents to stdout. Note fields are encoded in HEX including
the hostname. A high bit set on the first character in the hostname
signals the terminal to prompt for a count.</P
><PRE
CLASS="SCREEN"
><B
CLASS="COMMAND"
>otp-sca -m host-get</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>#index:count:hostname:key
00:00000002:646576312E656E6700000000:E4AACE5EC7291C405ED28949BB6DACA05768319D
01:00000000:646576322E656E6700000000:4120522AAC6B9C32274E2B3D966000D790EFEBFA
02:00000021:646576332E656E6700000000:9CDF3C14792A512FBE0D530E4DCFC726841B21BD
03:00000000:76706E312E656E6700000000:B8A64BE3DDAE4B873683ACE9B9DBF95D72782CBE</SAMP
></PRE
><P
></P
></DIV
><DIV
CLASS="INFORMALEXAMPLE"
><P
></P
><A
2017-01-03 11:16:53 +00:00
NAME="AEN185"
2017-01-03 11:10:10 +00:00
></A
><P
>Reset user PIN for card with secret.key as the admin key.</P
><PRE
CLASS="SCREEN"
><B
CLASS="COMMAND"
>otp-sca -m admin-enable -a secret.key</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>AdminMode: enabled.</SAMP
>
<B
CLASS="COMMAND"
>otp-sca -p -m pin-set</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>New PIN: 23456
New PIN (again): 23456
SetPIN Good.</SAMP
>
<B
CLASS="COMMAND"
>otp-sca -m admin-disable -a secret.key</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>AdminMode: disabled.</SAMP
></PRE
><P
></P
></DIV
><DIV
CLASS="INFORMALEXAMPLE"
><P
></P
><A
2017-01-03 11:16:53 +00:00
NAME="AEN194"
2017-01-03 11:10:10 +00:00
></A
><P
>Generate HOTP for dev1. Use hostname-get to find the index for dev1. Use
the GetHOTPHostCount32 command with count 1 (modifiers c and h).</P
><PRE
CLASS="SCREEN"
><B
CLASS="COMMAND"
>otp-sca -m hostname-get</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>Enter PIN: 23456
00,dev1
01,dev2.eng
02,dev3.eng
03,vpn1.eng
04,base4.eng
05,base6.eng
06,base7.eng</SAMP
>
<B
CLASS="COMMAND"
>otp-sca -d99 -m hotp-gen -Mch -i 0 -c1</B
>
<SAMP
CLASS="COMPUTEROUTPUT"
>Enter PIN: 23456
HOTP: 52DCD05FE5 -- dev1</SAMP
>&#13;</PRE
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
2017-01-03 11:16:53 +00:00
NAME="AEN201"
2017-01-03 11:10:10 +00:00
></A
><H2
>AUTHOR</H2
><P
>Mark Fullmer
<CODE
CLASS="EMAIL"
>&#60;<A
HREF="mailto:maf@splintered.net"
>maf@splintered.net</A
>&#62;</CODE
></P
></DIV
><DIV
CLASS="REFSECT1"
><A
2017-01-03 11:16:53 +00:00
NAME="AEN208"
2017-01-03 11:10:10 +00:00
></A
><H2
>SEE ALSO</H2
><P
><SPAN
CLASS="APPLICATION"
>otp-control</SPAN
>(1)
<SPAN
CLASS="APPLICATION"
>otp-sct</SPAN
>(1)
<SPAN
CLASS="APPLICATION"
>pam_otp</SPAN
>(1)
<SPAN
CLASS="APPLICATION"
>htsoft-downloader</SPAN
>(1)
<SPAN
CLASS="APPLICATION"
>otp-ov-plugin</SPAN
>(1)
<SPAN
CLASS="APPLICATION"
>bcload</SPAN
>(1)
<SPAN
CLASS="APPLICATION"
>urd</SPAN
>(1)
<SPAN
CLASS="HARDWARE"
>spyrus-par2</SPAN
>(7)</P
></DIV
></BODY
></HTML
>