WESTCOS-TOOL(1) OpenSC Tools WESTCOS-TOOL(1) NAME westcos-tool - utility for manipulating data structures on westcos smart cards SYNOPSIS westcos-tool [OPTIONS] DESCRIPTION The westcos-tool utility is used to manipulate the westcos data structures on 2 Ko smart cards / tokens. Users can create PINs, keys and certificates stored on the card / token. User PIN authentication is performed for those operations that require it. OPTIONS --change-pin, -n Changes a PIN stored on the card. User authentication is required for this operation. --certificate file, -t file Write certificate file file in PEM format to the card. User authentica- tion is required for this operation. --finalize, -f Finalize the card. Once finalized the default key is invalidated, so PIN and PUK cannot be changed anymore without user authentication. Warning, un-finalized cards are insecure because the PIN can be changed without user authentication (knowledge of default key is enough). --generate-key, -g Generate a private key on the card. The card must not have been final- ized and a PIN must be installed (i.e. the file for the PIN must have been created, see option -i). By default the key length is 2048 bits. User authentication is required for this operation. --help, -h Print help message on screen. --install-pin, -i Install PIN file in on the card. You must provide a PIN value with -x. --key-length length, -l length Change the length of private key. Use with -g. --overwrite-key, -o Overwrite the key if there is already a key on the card. --pin-value pin, -x pin --puk-value puk, -y puk These options can be used to specify the PIN/PUK values on the command line. If the value is set to env:VARIABLE, the value of the specified environment variable is used. By default, the code is prompted on the command line if needed. Note that on most operation systems, any user can display the command line of any process on the system using utilities such as ps(1). There- fore, you should prefer passing the codes via an environment variable on an unsecured system. --read-file filename, -j filename Read the file filename from the card. The file is written on disk with name filename. User authentication is required for this operation. --reader arg, -r arg Number of the reader to use. By default, the first reader with a present card is used. If arg is an ATR, the reader with a matching card will be chosen. --unblock-pin, -u Unblocks a PIN stored on the card. Knowledge of the PIN Unblock Key (PUK) is required for this operation. --verbose -v Causes westcos-tool to be more verbose. Specify this flag several times to enable debug output in the OpenSC library. --wait, -w Wait for a card to be inserted. --write-file filename, -k filename Put the file with name filename from disk to card. On the card the file is written in filename. User authentication is required for this opera- tion. AUTHORS westcos-tool was written by Francois Leblanc <francois.leblanc@cev-sa.com>. opensc 08/29/2026 WESTCOS-TOOL(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHORS
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