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