-----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-orangehrm-14.0-jessie-amd64.iso.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-orangehrm-14.0-jessie-amd64.iso 1f4faae45c1208bb19e1d9d5ae5fd0c4 $ sha1sum turnkey-orangehrm-14.0-jessie-amd64.iso 88026eabaf1452541da3d3149a241f82ba47ce7c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrpAAoJEIXCXpWhbrlNzPQIALM9mxEUwG2YIAJjH6YCutI1 yhdywYUoMLyW9C1dNctoisGcguAb/TBJbJxAS8cysFBNQzut2DXyrc6CBwaCNvcJ QIlrScoZO0WN8kn3x7GkXKfVHSBVqpixjvA1+WKPNpaIAjnpGWn54necWGKMGkxJ UmiRLkkdrVpqwc9DEjR/CeCBMPAdpidTYUV1QDKzVIHuecX8oCoxUaSyaG4rSdkI YETugadVeoIppn1GMJ/zahiLotcOt5/o4rJnbLmx3OfFBZdqzEVwUNB+bKesaEF4 WY2UN4ZImxJliZXdMX0TU/FT4Wtyr6xq6Sd23GoNVMFv/TjoIHpAsEfWvBDmh3A= =RUUV -----END PGP SIGNATURE-----