-----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-mahara-14.1-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-mahara-14.1-jessie-amd64.ova 3fffe40baad77d36e62cd3e02c667306 $ sha1sum turnkey-mahara-14.1-jessie-amd64.ova 6dda7d8fb1af9fd95bb38fcfb8404a734ea4d293 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNdqwIAJeHVNFN9uYZzBfCJbq7sgMK vgBVcHxaisy6arbEvi6niMSR4dORoz6bFywVzkbXe8maqAq5HCWCp5fuXVP73trR FlmC3q2TD8SsxlIwdQMpBucRc5tBAgmaJB7RTS7Tlw1+dduyoqLlh+RUDYTdRXJ9 Rxhoklj2RsIsb35CtjH4swQIDXm+FX1jW9ow9wH+AsvUlmBPhiDS5KPy/8hwBGBh zIDlNM8pFT71IVgYdsXJT9pt09i2Mq9+M9wnEnv26fK9VtmMYemjKLWXobeCGVkk Nh+CYBWg7FDSBSIar8J10aQHd6djVsPravoCbvFSwoQG6D0PbGgbNyLC+y1OTTU= =eKoA -----END PGP SIGNATURE-----