Manual: tsget

TSGET(1SSL) OpenSSL TSGET(1SSL)

NAME
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 files] [-g EGD_socket] [request ...]

DESCRIPTION
This command can be used for sending a timestamp request, as specified in RFC 3161, to a timestamp server over HTTP
or HTTPS and storing the timestamp response in a file. It cannot be used for creating the requests and verifying
responses, you have to use openssl-ts(1) to do that. This command can send several requests to the server without
closing the TCP connection if more than one requests are specified on the command line.

This command sends the following HTTP request for each timestamp request:

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

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

It 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 timestamp 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 timestamp response will be
written to the given output file. '-' means standard output. In case of multiple timestamp requests or the
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 perl module WWW::Curl::Easy. 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, it will be prompted for. (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 openssl-rehash(1). Either option -C or option -P must be given in case of HTTPS. (Optional)

-r files
See "Random State Options" in openssl(1) for more information.

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

request ...
List of files containing RFC 3161 DER-encoded timestamp 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 timestamp 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 timestamp response for file1.tsq over HTTP, output is written to file1.tsr:

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

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

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

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

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

SEE ALSO
openssl(1), openssl-ts(1), WWW::Curl::Easy,

Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the
License. You can obtain a copy in the file LICENSE in the source distribution or at
.

3.5.5 2026-01-27 TSGET(1SSL)

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Manual: tsget

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