info gnutls

5.2.2 Invoking psktool

This is a program to manage PSK username and keys. It will generate random keys for the indicated username, using a simple password file format.

PSKtool help
Usage : psktool [options]
     -u, --username username
                              specify username.
     -p, --passwd FILE        specify a password file.
     -s, --keysize SIZE       specify the key size in bytes.
     -v, --version            prints the program's version number
     -h, --help               shows this help text

The generation of a PSK password file is illustrated in the example below. The password is provided in the prompt.

$ ./psktool -u psk_identity -p psks.txt
Generating a random key for user 'psk_identity'
Key stored to psks.txt
$ cat psks.txt
psk_identity:88f3824b3e5659f52d00e959bacab954b6540344
$

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