softhsm - Online in the Cloud

PROGRAM:

NAME

softhsm - support tool for libsofthsm

SYNOPSIS

softhsm --show-slots
softhsm --init-token --slot number --label text \
[--so-pin PIN --pin PIN]
softhsm --import path [--file-pin PIN] --slot number \
--pin PIN --label text --id hex
softhsm --export path [--file-pin PIN] --slot number \
--pin PIN --id hex
softhsm --optimize --slot number --pin PIN
softhsm --trusted bool --slot number [--so-pin PIN] \
--type text [--label text || --id hex]

DESCRIPTION

softhsm is a support tool for libsofthsm. Read the sections below to get more information
on the libsofthsm and PKCS#11. Most applications assumes that the token they want to use
is already initialized. It is then up to the user to initialize the PKCS#11 token. This
is done by using the PKCS#11 interface, but instead of writing your own tool you can use
the softhsm tool.

Keys are usually created directly in the token, but the user may want to use an existing
key pair. Keys can be imported to a token by using the PKCS#11 interface, but this tool
can also be used if the user has the key pair in a PKCS#8 file. If you need to convert
keys from BIND .private-key format over to PKCS#8, one can use softhsm-keyconv.

A key may not always be exportable through the PKCS#11 interface, but the export command
can pull the key data directly from the token database.

The libary libsofthsm, known as SoftHSM, provides cryptographic functionality by using the
PKCS#11 API. It was developed as a part of the OpenDNSSEC project, thus designed to meet
the requirements of OpenDNSSEC, but can also work together with other software that want
to use the functionality of the PKCS#11 API.

SoftHSM is a software implementation of a generic cryptographic device with a PKCS#11
interface. These devices are often called tokens. Read in the manual softhsm.conf(5) on
how to create these tokens and how they are added to a slot in SoftHSM.

The PKCS#11 API can be used to handle and store cryptographic keys. This interface
specifies how to communicate with cryptographic devices such as HSMs (Hardware Security
Modules) and smart cards. The purpose of these devices is, among others, to generate
cryptographic keys and sign information without revealing private-key material to the
outside world. They are often designed to perform well on these specific tasks compared
to ordinary processes in a normal computer.

OPTIONS

--show-slots
Display all the available slots and their current status.

--init-token
Initialize the token at a given slot. If the token is already initialized then
this command will reinitialize it, thus erasing all the objects in the token. The
matching Security Officer (SO) PIN must also be provided when doing
reinitialization.
Use with --slot, --label. --so-pin, and --pin.

--import path
Import a key pair from the given path. The file must be in PKCS#8-format.
Use with --file-pin, --slot, --pin, --label, and --id.

--export path
Export a key pair to the given path. The file will be written in PKCS#8-format.
Cannot be used in combination with --module, since the keys are extracted from the
SoftHSM database, thus not using PKCS#11.
Use with --file-pin, --slot, --pin, and --id.

--optimize
Clean up leftovers (session objects in the database) from applications that haven't
closed down properly. Cannot be used in combination with --module.
Use with --slot and --pin.

--trusted bool
Mark the object as trusted. true or false.
Use with --slot, --so-pin, --type, and ( --id, or --label).

--file-pin PIN
The PIN will be used to encrypt or decrypt the PKCS#8 file depending if we are
writing or reading. If not given then the PKCS#8 file is assumed to be
unencrypted.

--force
Use this option to override the warnings and force the given action.

--help, -h
Show the help information.

--id hex
Choose an ID of the key pair. The ID is in hexadecimal with a variable length.
Use with --force when importing a key pair if the ID already exists.

--label text
Defines the label of the object or the token.

--module path
Use another PKCS#11 library than SoftHSM.

--pin PIN
The PIN for the normal user.

--slot number
The slot where the token is located.

--so-pin PIN
The PIN for the Security Officer (SO).

--type text
The type of object. CKO_PUBLIC_KEY or CKO_CERTIFICATE.

--version, -v
Show the version info.

EXAMPLES

The token can be initialized using this command:

softhsm --init-token --slot 1 --label "A token"

A key pair can be imported using the softhsm tool where you specify the path to the key
file, slot number, label and ID of the new objects, and the user PIN. The file must be in
PKCS#8 format.

softhsm --import key1.pem --slot 1 --label "My key" \
--id A1B2 --pin 123456
(Add, --file-pin PIN, if the key file is encrypted.)

All keys can be exported from the token database by using the softhsm tool. The file will
be exported in PKCS#8 format.

softhsm --export key2.pem --slot 1 --id A1B2 --pin 123456
(Add, --file-pin PIN, if you want to output an encrypted file.)

A token can be backed up by issuing the command:

sqlite3 <PATH TO YOUR TOKEN> ".backup copy.db"

Move the file "copy.db" to a secure location. To restore the token, just copy the file
back to the system and add it to a slot in the configuration (softhsm.conf).

ENVIRONMENT

SOFTHSM_CONF
When defined, the value will be used as path to the configuration file.

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