-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-revision-control-14.0-jessie-amd64.iso.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-revision-control-14.0-jessie-amd64.iso 66dedec01e84742433398976d42dc97c $ sha1sum turnkey-revision-control-14.0-jessie-amd64.iso 96f55838e346df015d37bf65e138064f690e44c9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrqAAoJEIXCXpWhbrlNejwH/jUekq9bOdLoD1eMxYCZucSX cujtbfs/Sir7BeAnfULZ0euDzSopB3Wkv3Jqu7nFmZn0uIZnfoKBslKXl3ihvuFA uR+z0jVZZ17nAVeMwgXY33RWWnWAgQNRQKMsNykhlg2C78LOMIvtHT73gclQV/p/ vQOvfVUCutaOL97IgEYnsdFSIBqdiRN+oaj4W/CI3iBfZTfEOkisHWrsruG4EmMM vf+856FeHbZYQx696KiAHY2IEyNe6W0m0EHOkMzGfmSUy23UGst2muhLCC8v0Nxx w2pyLl/KlnzGuwXV1cyNfHuP1r1zHfcyjpgsMqjkRO3dKHjy60imxAuybsvk9vY= =fHEa -----END PGP SIGNATURE-----