1LZMA SDK is written and placed in the public domain by Igor Pavlov. 2 3Some code in LZMA SDK is based on public domain code from another developers: 4 1) PPMd var.H (2001): Dmitry Shkarin 5 2) SHA-256: Wei Dai (Crypto++ library) 6 7You can copy, modify, distribute and perform LZMA SDK code, even for commercial purposes, 8all without asking permission. 9 10LZMA SDK code is compatible with open source licenses, for example, you can 11include it to GNU GPL or GNU LGPL code. 12