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