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JWE creation

JWE Builder Factory Service

A JWEBuilderFactory is available as a service in your application container:

<?php
use Jose\Component\Encryption\JWEBuilderFactory;

$jweBuilderFactory = $container->get(JWEBuilderFactory::class);

With this factory, you will be able to create the JWEBuilder you need:

$jweBuilder = $jweBuilderFactory->create(
    ['A256GCMKW'],
    ['A256CBC-HS256'],
    ['DEF'] // Compression methods
);

Available compression methods are:

DEF: deflate (recommended)
GZ: gzip
ZLIB: zlib

You can now use the JWEBuilder as explained in the JWE Creation section.

JWE Builder As Service

There is also another way to create a JWEBuilder object: using the bundle configuration.

jose:
    jwe:
        builders:
            builder1:
                key_encryption_algorithms: ['A256GCMKW']
                content_encryption_algorithms: ['A256CBC-HS256']
                compression_methods: ['DEF']
                is_public: true

With the previous configuration, the bundle will create a public JWE Builder service named jose.jwe_builder.builder1 with selected encryption algorithms.

<?php
$jweBuilder = $container->get('jose.jwe_builder.builder1');

Custom Tags

You can add custom tags and attributes to the services you create.

jose:
    jwe:
        builders:
            builder1:
                key_encryption_algorithms: ['A256GCMKW']
                content_encryption_algorithms: ['A256CBC-HS256']
                compression_methods: ['DEF']
                tags:
                    tag_name1: ~
                    tag_name2: {attribute1: 'foo'}