OpenSSL.vip

Cryptography and SSL/TLS Toolkit

NAME

openssl-spkac - SPKAC printing and generating command

SYNOPSIS

openssl spkac [-help] [-in filename] [-out filename] [-key keyfile] [-keyform DER|PEM|ENGINE] [-passin arg] [-challenge string] [-pubkey] [-spkac spkacname] [-spksect section] [-noout] [-verify] [-engine id] [-provider name] [-provider_path path]

DESCRIPTION

This command processes Netscape signed public key and challenge (SPKAC) files. It can print out their contents, verify the signature and produce its own SPKACs from a supplied private key.

OPTIONS

-help

Print out a usage message.

-in filename

This specifies the input filename to read from or standard input if this option is not specified. Ignored if the -key option is used.

-out filename

Specifies the output filename to write to or standard output by default.

-key keyfile

Create an SPKAC file using the private key in keyfile. The -in, -noout, -spksect and -verify options are ignored if present.

-keyform DER|PEM|ENGINE

The key format; the default is PEM. See -passin arg

The input file password source. For more information about the format of arg see -challenge string

Specifies the challenge string if an SPKAC is being created.

-spkac spkacname

Allows an alternative name form the variable containing the SPKAC. The default is "SPKAC". This option affects both generated and input SPKAC files.

-spksect section

Allows an alternative name form the section containing the SPKAC. The default is the default section.

-noout

Don't output the text version of the SPKAC (not used if an SPKAC is being created).

-pubkey

Output the public key of an SPKAC (not used if an SPKAC is being created).

-verify

Verifies the digital signature on the supplied SPKAC.

-engine id

See -provider name

-provider_path path

See EXAMPLES

Print out the contents of an SPKAC:

 openssl spkac -in spkac.cnf

Verify the signature of an SPKAC:

 openssl spkac -in spkac.cnf -noout -verify

Create an SPKAC using the challenge string "hello":

 openssl spkac -key key.pem -challenge hello -out spkac.cnf

Example of an SPKAC, (long lines split up for clarity):

 SPKAC=MIG5MGUwXDANBgkqhkiG9w0BAQEFAANLADBIAkEA\
 1cCoq2Wa3Ixs47uI7FPVwHVIPDx5yso105Y6zpozam135a\
 8R0CpoRvkkigIyXfcCjiVi5oWk+6FfPaD03uPFoQIDAQAB\
 FgVoZWxsbzANBgkqhkiG9w0BAQQFAANBAFpQtY/FojdwkJ\
 h1bEIYuc2EeM2KHTWPEepWYeawvHD0gQ3DngSC75YCWnnD\
 dq+NQ3F+X4deMx9AaEglZtULwV4=

NOTES

A created SPKAC with suitable DN components appended can be fed to SEE ALSO

openssl-ca(1)

COPYRIGHT

Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.

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 https://www.openssl.org/source/license.html.

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