QDLPluginEncryptionPS is a commercial plugin for Xojo/Real Studio and it is part of the QDLPlugin Framework library.

This component implements advanced cryptographic services that can be added to the programmer's Xojo/RealStudio solutions. Although cryptography is a complex topic, the plugin's API are designed with the goal of making encryption, error detection and hashing accessible with the minimum of effort.

In a nutshell, the plugin extends the limited cryptographic capabilities implemented by the Xojo's Crypto module by offering the following services:

• Encryption:easy and quick encryption/decryption of either a block of memory or an entire file. The plugin implements the most known block-based and stream-based encryption algorithms along with a few much less famous. Among the others are provided the following ciphers:
• RC4, RC5
• DES, Triple-DES
• AES
• Serpent
• Blowfish
• Twofish
• Hashing:computing of the hash value of a block of memory using one of the cryptographic hash functions offered by the plugin:
• SHA-256
• SHA-512
• MD5
• HMAC-MD5
• Tiger
• Cyclic Redundancy Check (CRC):the plugin offers a wide choice of CRC algorithms to perform error detection on memory or files: 8, 16,32 and 64 bits based CRC algorithms are implemented by the plugin. The CRC functionalities are provided as extensions of the Memoryblock and Folderitem classes built- in the Xojo Framework.

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