FastCRC Library Description:

Add checksum calculations to your Windows apps quickly and easily.
Features: Implementation of the most popular checksum algorithms:CRC32(Cyclic Redundancy Check 32), CRC16, CRC16C(CRC-CCITT).It allows Windows developers to calculate in their applications checksums for memory blocks, strings, blobs, streaming data and single files; Fast, flexible and extremely easy to use; Supports 3 interfaces: FastCRC API(FastCRC API can be used as is, or it can be used to create wrappers for other languages that can use DLLs),C++ Interface(wrapper classes to FastCRC API) and FastCRC Type Library(includes all declarations for accessing FastCRC Library from different programming languages which have the possibility to reference a Type Library, such as VB 5.0, VB 6.0, VBA, etc.); Supports static linking and dynamic linking (like MFC); No external dependencies such as MFC DLLs, COM/DCOM or other resources; Excellent documentation with examples in C/C++ and Visual Basic.