-----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-jenkins-14.0-jessie-amd64-vmdk.zip.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-jenkins-14.0-jessie-amd64-vmdk.zip ea274b8e9725f8a2850c4093e50e7fbd $ sha1sum turnkey-jenkins-14.0-jessie-amd64-vmdk.zip a4cdf416f34aa54ca564d803d17f70d98cf7c06d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWVyWqAAoJEIXCXpWhbrlNw2MH/id9uN5jqY9xyTcnuVwGvvM0 0SpJvO+LCwIcD/NRjltkgUocNEzbf/QxHGv10oTWI172rXqDelT+Of20pghvLHMa Lk8pSpGGO+AVAFCAg70cnvX3PtX0F7f0MNW4sOZ+TFqR9KNcP3Xf6xTMlC2XHbED /rbkDRhycCxHNJydgncPSq9nEh2bvcblcU9xpwNDe5PhrlxKW/kcX2oVvvCGYp5U z7PyPLfU+BtvFssGen3n8sib2VbNA8VIqCko20ZKgKnVBQKWocpoo3GYt8Lcj9GS 0ERLAJDQgbXMRAXFnlv2oklK8Xh5WPCYpRvxcJjDfA3bSl8mY/pcoY2sp0dhqNU= =gx2c -----END PGP SIGNATURE-----