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Example code of popphp/pop-crypt

Informations about the package pop-crypt

pop-crypt

Build Status Coverage Status

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Overview

pop-crypt provides various interfaces to assist in encrypting and decrypting secure hashes or creating and verifying one-way password hashes.

pop-crypt is a component of the Pop PHP Framework.

Install

Install pop-crypt using Composer.

composer require popphp/pop-crypt

Or, require it in your composer.json file

"require": {
    "popphp/pop-crypt" : "^3.0.0"
}

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Quickstart

Create a password hash:

Create an encrypted value:

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Hashing

The standard PHP password hashing algorithms are supported:

The PASSWORD_BCRYPT algorithm supports the cost option. The salt has been deprecated as of PHP 8.0.0.

The PASSWORD_ARGON2I and PASSWORD_ARGON2ID algorithms support the following options:

All the algorithms use the standard default values for the options if none are passed.

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Encryption

The Encryption classes are built using the openssl extension and its related functions. Supported ciphers are:

It is important to safely store the key or keys used to generate the encrypted data. When correctly paired with their cipher, the encrypted data can successfully be decrypted. However, if the key is incorrect or matched with the wrong cipher, decryption will fail.

Generate Key

A key that matches the chosen cipher can be generated with the following method:

Raw vs Base-64

Methods that manage the key values have an optional $raw parameter.

In the case of generating or getting key values from the encrypter, if $raw is true, then the key value will be returned as a raw string of bytes. Otherwise, if $raw is false, the key value will be base-64 encoded before it is returned.

In the case of setting key values or previous key values in the encrypter, if $raw is false, then the key values will be treated was base-64 encoded values and will be decoded as they are stored in the object. If $raw is true, the key values will not be processed or decoded in any way.

Previous Keys

In order to preserve legacy keys that have been previously used and rotated out of use, you can load those previous keys to have the encrypter object attempt to use them if the latest key does not work. This provides graceful rotation of keys.

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All versions of pop-crypt with dependencies

PHP Build Version
Package Version
Requires php Version >=8.3.0
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