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Encryption / Decryption / Hashing
Cryptography API: Next Generation (CNG) is Microsoft's long-term replacement for their CryptoAPI. CNG is designed to be extensible at many levels and cryptography agnostic in behavior. Although the Crypt.au3 UDF that is installed with AutoIt3 still works perfectly, the advapi32.dll functions that it uses have been deprecated. This UDF was created to offer a replacement for the deprecated functions. According to Microsoft, deprecated functions may be removed in future release. Therefore, this UDF will be available when/if that happens.
This UDF implements some of Microsoft's Cryptography API: Next Generation (CNG) Win32 API functions. In its initial release, it implements functions to encrypt text & files, decrypt text and files, generate hashes, and the Password-Based Key Derivation Function 2 (PBKDF2) function. The UDF can implement any of the encryption/decryption algorithms or hashing algorithms that are installed on the PC in which it is running. Most, if not all, of the values that you would commonly use to specify that desired algorithms, key bit lengths, and other magic number type values, are already defined as constants or enums in the UDF file.
To flatten the learning curve, there is an example file that shows examples of all of the major functionality. This example file is not created to be an exhaustive set of how to implement each feature and parameter. It is designed to give you a template or guide to help you hit the ground running in terms of using the functions. I have tried to fully document the headers of all of the functions as well as the code within the functions themselves. As of v1.4.0, there is also a Help file that includes all of the functions, with examples.
Current UDF Functions
Algorithm-Specific Symmetric Encryption/Decryption Functions _CryptoNG_3DES_CBC_DecryptData _CryptoNG_3DES_CBC_DecryptFile _CryptoNG_3DES_CBC_EncryptData _CryptoNG_3DES_CBC_EncryptFile _CryptoNG_AES_CBC_DecryptData _CryptoNG_AES_CBC_DecryptFile _CryptoNG_AES_CBC_EncryptData _CryptoNG_AES_CBC_EncryptFile _CryptoNG_AES_ECB_DecryptData _CryptoNG_AES_ECB_EncryptData
Generic Symmetric Encryption/Decryption Functions _CryptoNG_DecryptData _CryptoNG_DecryptFile _CryptoNG_EncryptData _CryptoNG_EncryptFile
Hashing Functions _CryptoNG_HashData _CryptoNG_HashFile _CryptoNG_PBKDF2
Asymmetric (Public/Private Key) Encryption/Decryption Functions _CryptoNG_RSA_CreateKeyPair _CryptoNG_RSA_EncryptData _CryptoNG_RSA_DecryptData
Misc / Helper Functions _CryptoNG_CryptBinaryToString _CryptoNG_CryptStringToBinary _CryptoNG_GenerateRandom _CryptoNG_EnumAlgorithms _CryptoNG_EnumRegisteredProviders _CryptoNG_EnumKeyStorageProviders _CryptoNG_LastErrorMessage _CryptoNG_Version
Cryptography API: Next Generation - Main Page
Cryptography API: Next Generation - Reference
Cryptography API: Next Generation - Primitives
Cryptography API: Next Generation - Cryptographic Algorithm Providers