The MarshallSoft C/C++ AES Library is an essential tool for any programmer seeking to secure their data using the AES encryption standard. Developed by MarshallSoft Computing, the library is easy to integrate into your software, providing reliable and efficient encryption capabilities. With support for multiple modes and keys, this software enables you to keep sensitive information safe, ensuring your application is secure from potential threats. Download the MarshallSoft C/C++ AES Library to give your software the protection it needs.

AES encryption library that does 256 bit AES (Rijndael) encryption and decryption, Supports CBC and ECB mode, initialization vectors, PKCS7 padding, and Diffie-Hellman key exchange. Works with many C/C++ compilers including Microsoft C/C++ 4 and 6, Microsoft Visual Studio through 2022, MinGW GCC, Digital Mars, Watcom, LCC, and Borland. Works with Win32/Win64 through Windows 2011. Validated against the U.S. National Institute of Standards and Technology (NIST) "known answers" data set. Features of AES4C include: - Performs 256-bit AES encryption and decryption. - Includes Diffie-Hellman key exchange functions. - Includes cryptographically secure pseudo random number generator. - Does key generation from password phrases. - Encrypts and decrypt files, strings, and byte data. - Supports PKCS7 padding. - Supports initialization vectors. - Supports CBC (Cipher Block Chaining) mode. - Supports ECB (Electronic Cookbook) mode. - Supports SHA-256 cryptographic hash algorithm. - Does random byte data generation. - Allows concurrent encryption/decryption threads. - Validated using "known answer tests" published by the National Institute of Standards and Technology. - Includes multiple C/C++ example programs. - Does not depend on support libraries (calls to core Windows API functions only). - Royalty free distribution with your compiled application. - C source code is available. - Free technical support and updates for one year. - Fully functional evaluation version available. - Supports most C/C++ compilers: Microsoft, Borland, Watcom, LCC, GCC, Digital Mars. - Supports all versions of 32-bit and 64-bit Microsoft C/C++ and Visual Studio C/C++. - Includes 32-bit and 64-bit DLL files plus OBJ files for static linking. - Works with 32-bit and 64-bit Windows through Windows 11

Major Update
Increased internal buffer size to 256K. Fixed problem handling large files in aesEncryptWrite() and aesReadDecrypt(). Replaced deprecated functions strcpy().and strlen(). Added Diffie-Hellman key exchange function aesMakeKeyPair() and aesMakeSharedKey(). Added Visual Studio C/C++ 2022 project files
[ MarshallSoft C/C++ AES Library release history ]

32 or 64 bit Windows

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