CRC, a C++ library which computes the PNG Cyclic Redundancy Checksum (CRC) for a string of bytes.
PNG is the Portable Network Graphics format. The PNG checksum algorithm is used as part of the encoding of a PNG file.
The computer code and data files made available on this web page are distributed under the GNU LGPL license.
CRC is available in a C++ version.
PNG, a data directory which contains examples of Portable Network Graphics (PNG) files, 2D graphics;