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Example code of taitava/silverstripe-encrypt-at-rest

Informations about the package silverstripe-encrypt-at-rest

IMPORTANT! Use madmatt/silverstripe-encrypt-at-rest instead of this one! This is just a fork with some new, untested features!

silverstripe-encrypt-at-rest

This module allows data to be encrypted in the database, but be decrypted when extracted from the database, using a secret key (hopefully) known only by the web server.

Note: This does not provide significant protection except in the case of database compromise. It should be used as part of a layered security strategy. This is because the key is still available on the web server, so if remote code execution is achieved by an attacker, they will be able to read both the database and the encryption key, thereby decrypting the content.

Note: This module is not yet ready for real use, it's currently v0.0.1 material.

Usage

In your DataObject, use EncryptedDBField, to have it encrypted. At this point, everything is stored as text.

Set a key in your _ss_environment file.

DataObject specific encryption keys

Another, optional and advanced way to define the key is to create an optional method in your DataObject class:

This way you can have multiple keys and you are able to decide which key to use in which situation. You are allowed to return either a Defuse\Crypto\Key object or a plain string presentation of the key. You can also return just null, if you want to stick with the default key defined in the ENCRYPT_AT_REST_KEY constant. The latter is also used if you do not create the provideEncryptionKey() method at all.

$field_name and $field_type arguments can be used to get to know which field is being currently encrypted/decrypted. The latter argument tells the data type class of the field, for example EncryptedText.

TODO

All versions of silverstripe-encrypt-at-rest with dependencies

PHP Build Version
Package Version
Requires silverstripe/framework Version ^3.4.5
defuse/php-encryption Version 2.0.x
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