-----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-mambo-14.0-jessie-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 turnkey-mambo-14.0-jessie-amd64.ova 9fb810429a5419cfcf59addd8ee40e3e $ sha1sum turnkey-mambo-14.0-jessie-amd64.ova 595b914252b1873603c7998dd661dc6ce6b350b6 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdXAAoJEIXCXpWhbrlNOQAH/iQkTLt16u9S6s8uXXVMjM8i +FNNWVeUpVIY3kYVF1o0VcKfVdkcVWT7dGidU3K0R4b+CU8FtVuIDwMT+lf7p/C5 sIO6nWTKpIZdFlr4g9sFifPTIsr0JprQS8TpK6RX/yqIbVQOs2lI/5wRKMbC4sfX 06NTWnuxJk8QHy/tg9a5k/A2LdslZgundKWs3lQkthK3dTOhaPX6Cmux4n+xuidT 7cr9keOuHnElf6YuyaOkxh4irITEwggm4JiE46mGG9pdqnbah7k/Brvlcm4dGdew ny516O6sT7VUVFFzGAEIWM9rOLR1mx6CbbvEohNIo20WSeJkuq2kUroVh8EaYy0= =NVV7 -----END PGP SIGNATURE-----