-----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-tomatocart-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-tomatocart-14.0-jessie-amd64.ova 57948cd5e2c6e0b1a60e33e2ca34d19c $ sha1sum turnkey-tomatocart-14.0-jessie-amd64.ova 4efc9dccf4a3ec0641f9ce06af16f8c948e658ee -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdaAAoJEIXCXpWhbrlNIh0IAItIKmZb9P+Y2LLCuN/y0PoP fyuq/NBQSC+PGlir50eQO3ZP2n88nS/znZHuNzERKP/mAEFahpSUi6oosZMzElkD t4lgOYxhPelrR+TAIhfkep5Ul2E88jJddtOHBBDZ1DS46JO0O/BeO3VbkFvPKD1/ lzA+Vr4/u+vL5yWQ3xjtGCRs9UxwnF3GK21wWNyz1BSjdwa0aCzcJ9VV94okUhHG Q9xd1KehHyJfjXnbBuuqgMrT5sDEj8t1E8yNhTdQcODPwGHrTlxzeHg9I6g92KNv Mj4473X3aRjL2E/zdEEtE2XcGMHmU4chbEZuIfXrXO/MZypWUq2bFp5bi3ui3UE= =Fv4h -----END PGP SIGNATURE-----