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TSGET(1)                     OpenSSL                     TSGET(1)


NAME

     openssl-tsget, tsget - Time Stamping HTTP/HTTPS client


SYNOPSIS

     tsget -h server_url [-e extension] [-o output] [-v] [-d] [-k
     private_key.pem] [-p key_password] [-c client_cert.pem] [-C
     CA_certs.pem] [-P CA_path] [-r file:file...]  [-g
     EGD_socket] [request]...


DESCRIPTION

     The tsget command can be used for sending a time stamp
     request, as specified in RFC 3161, to a time stamp server
     over HTTP or HTTPS and storing the time stamp response in a
     file. This tool cannot be used for creating the requests and
     verifying responses, you can use the OpenSSL ttss(1) command
     to do that. tsget can send several requests to the server
     without closing the TCP connection if more than one requests
     are specified on the command line.

     The tool sends the following HTTP request for each time
     stamp request:

             POST url HTTP/1.1
             User-Agent: OpenTSA tsget.pl/<version>
             Host: <host>:<port>
             Pragma: no-cache
             Content-Type: application/timestamp-query
             Accept: application/timestamp-reply
             Content-Length: length of body

             ...binary request specified by the user...

     tsget expects a response of type
     application/timestamp-reply, which is written to a file
     without any interpretation.


OPTIONS

     -h server_url
         The URL of the HTTP/HTTPS server listening for time
         stamp requests.

     -e extension
         If the -o option is not given this argument specifies
         the extension of the output files. The base name of the
         output file will be the same as those of the input
         files. Default extension is '.tsr'. (Optional)

     -o output
         This option can be specified only when just one request
         is sent to the server. The time stamp response will be
         written to the given output file. '-' means standard
         output. In case of multiple time stamp requests or the

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TSGET(1)                     OpenSSL                     TSGET(1)

         absence of this argument the names of the output files
         will be derived from the names of the input files and
         the default or specified extension argument. (Optional)

     -v  The name of the currently processed request is printed
         on standard error. (Optional)

     -d  Switches on verbose mode for the underlying curl
         library. You can see detailed debug messages for the
         connection. (Optional)

     -k private_key.pem
         (HTTPS) In case of certificate-based client
         authentication over HTTPS <private_key.pem> must contain
         the private key of the user. The private key file can
         optionally be protected by a passphrase. The -c option
         must also be specified. (Optional)

     -p key_password
         (HTTPS) Specifies the passphrase for the private key
         specified by the -k argument. If this option is omitted
         and the key is passphrase protected tsget will ask for
         it. (Optional)

     -c client_cert.pem
         (HTTPS) In case of certificate-based client
         authentication over HTTPS <client_cert.pem> must contain
         the X.509 certificate of the user.  The -k option must
         also be specified. If this option is not specified no
         certificate-based client authentication will take place.
         (Optional)

     -C CA_certs.pem
         (HTTPS) The trusted CA certificate store. The
         certificate chain of the peer's certificate must include
         one of the CA certificates specified in this file.
         Either option -C or option -P must be given in case of
         HTTPS. (Optional)

     -P CA_path
         (HTTPS) The path containing the trusted CA certificates
         to verify the peer's certificate. The directory must be
         prepared with the c_rehash OpenSSL utility. Either
         option -C or option -P must be given in case of HTTPS.
         (Optional)

     -rand file:file...
         The files containing random data for seeding the random
         number generator. Multiple files can be specified, the
         separator is ; for MS-Windows, , for VMS and : for all
         other platforms. (Optional)

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TSGET(1)                     OpenSSL                     TSGET(1)

     -g EGD_socket
         The name of an EGD socket to get random data from.
         (Optional)

     [request]...
         List of files containing RFC 3161 DER-encoded time stamp
         requests. If no requests are specified only one request
         will be sent to the server and it will be read from the
         standard input. (Optional)


ENVIRONMENT VARIABLES

     The TSGET environment variable can optionally contain
     default arguments. The content of this variable is added to
     the list of command line arguments.


EXAMPLES

     The examples below presume that file1.tsq and file2.tsq
     contain valid time stamp requests, tsa.opentsa.org listens
     at port 8080 for HTTP requests and at port 8443 for HTTPS
     requests, the TSA service is available at the /tsa absolute
     path.

     Get a time stamp response for file1.tsq over HTTP, output is
     written to file1.tsr:

       tsget -h http://tsa.opentsa.org:8080/tsa file1.tsq

     Get a time stamp response for file1.tsq and file2.tsq over
     HTTP showing progress, output is written to file1.reply and
     file2.reply respectively:

       tsget -h http://tsa.opentsa.org:8080/tsa -v -e .reply \
             file1.tsq file2.tsq

     Create a time stamp request, write it to file3.tsq, send it
     to the server and write the response to file3.tsr:

       openssl ts -query -data file3.txt -cert | tee file3.tsq \
             | tsget -h http://tsa.opentsa.org:8080/tsa \
             -o file3.tsr

     Get a time stamp response for file1.tsq over HTTPS without
     client authentication:

       tsget -h https://tsa.opentsa.org:8443/tsa \
             -C cacerts.pem file1.tsq

     Get a time stamp response for file1.tsq over HTTPS with
     certificate-based client authentication (it will ask for the
     passphrase if client_key.pem is protected):

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TSGET(1)                     OpenSSL                     TSGET(1)

       tsget -h https://tsa.opentsa.org:8443/tsa -C cacerts.pem \
             -k client_key.pem -c client_cert.pem file1.tsq

     You can shorten the previous command line if you make use of
     the TSGET environment variable. The following commands do
     the same as the previous example:

       TSGET='-h https://tsa.opentsa.org:8443/tsa -C cacerts.pem \
             -k client_key.pem -c client_cert.pem'
       export TSGET
       tsget file1.tsq


AUTHOR

     Zoltan Glozik <zglozik@opentsa.org>, OpenTSA project
     (http://www.opentsa.org)


SEE ALSO

     openssl(1), ts(1), curl(1), RFC 3161

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See also openssl-tsget(1)

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