-----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 debian-8-turnkey-jenkins_14.1-1_amd64.ova.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 debian-8-turnkey-jenkins_14.1-1_amd64.ova a4eb8c080ffef18bf0f13e4be983e1b6 $ sha1sum debian-8-turnkey-jenkins_14.1-1_amd64.ova cc4730c09132a62bc3d29dc1ac59565d94c34597 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnrAAoJEIXCXpWhbrlNujQIAIgK/G/btZyr5MAe6V1ZbSY0 AJRLmQJiASUOGfBmG2rp39amVC1fqjgJ7O3X8mLRqzEoyweSYATda0nruQbMogdg dKKdMVw6gwRWqNelQnskTwSFVoCKjHcFEJdpOoK+Jw8K2SCoCT6fPEq7A0OV5Nkx FmRiBMDSBlGIyM57bA74pXJZakA+lhD28kxiZwvQmRDDb5GLuUuXlkWnTuFfhxpg 4xU73T94bs5Sqn66G2oAVoVflBxZSKRAFZ74uJayBRg8R+dTGccNMqfF5AKNAqS7 H/44Unwo/3qgTb133pnTLj6egFeMGI6JMVxqRzK9pNdyrQlK0EEUZ/CpPEU6FIE= =VaZ1 -----END PGP SIGNATURE-----