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improve readme
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kwin committed Oct 1, 2024
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## Overview

This wrapper library allows to encrypt/decrypt with [AEM's CryptoSupport][aem-cryptosupport] outside AEM. The library provided by Adobe
only works inside AEM/OSGi Runtimes. This wrapper adds some class loader tweaks and provides a simple API for constructing `CryptoSupport` objects.
only works inside AEM/OSGi runtimes. This wrapper adds some class loader tweaks and provides a simple API for constructing `CryptoSupport` objects.
In addition it provides an extension for [filtering in filevault-package-maven-plugin][filevault-filtering] to easily create encrypted values during the Maven build of content packages.

The encryption algorithm used internally is symmetrical **AES encryption (AES/CBC/PKCS5Padding)** with a **128 bit** key. Since it uses [Cypher Block Chaining](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#CBC) a random initialisation vector is used to make the encrypted text always look different (for the same plaintext). It uses [BSAFE Crypto-J from RSA (now Dell)][bsafe-wikipedia] as implementation basis.

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