Guide to Verifying Software Integrity Our PGP public key itmux_1.0.3_x64_free.zip 10.4 MB SHA256 hash PGP signature VirusTotal check itmux_1.0.2_x64_free.zip 10.34 MB SHA256 hash PGP signature VirusTotal check itmux_1.0.1_x64_free.zip 10.13 MB SHA256 hash PGP signature itmux_1.0.0_x64_free.zip 10.12 MB SHA256 hash PGP signature