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Example code of petrknap/data-signer

Informations about the package data-signer

Data Signer

This library provides a logic for digital signing and validating of a binary data.

Inputs and outputs are binary data, don't be afraid to use the petrknap/binary.

Implementations

Usage

The basic use of a Data Signer interface is quite simple:

Domain-specific signing

If you need to limit the validity of the signature to a specific purpose (domain), just set it to the Data Signer service:

Time-limited signing

If you need to limit the validity of the signature to specific time (expiration), just give it to the Data Signer's method sign:

Signable data transfer object

If you communicate through data transfer objects, you can use a Signable Data interface:

Communication trough 3rd party machine

If you need to sign data forwarded trough 3rd party machine (f.e. by token or cookie), you can use the Signature with data:

WARNING: The data are only signed (readable), use the petrknap/crypto-sodium if you need to encrypt them.

Run composer require petrknap/data-signer to install it. You can support this project via donation. The project is licensed under the terms of the LGPL-3.0-or-later.

All versions of data-signer with dependencies

PHP Build Version
Package Version
Requires php Version >=8.1
petrknap/binary Version ^4.0|^5.0
petrknap/optional Version ^3.3
petrknap/shorts Version ^3.0
psr/clock Version ^1.0
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