-----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 debian-8-turnkey-etherpad_14.0-1_amd64.tar.gz.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 debian-8-turnkey-etherpad_14.0-1_amd64.tar.gz 7700fca799d9c8df0d54859e73a8bf27 $ sha1sum debian-8-turnkey-etherpad_14.0-1_amd64.tar.gz 5180b1d62415e4c755248cfb04e41172026d9b58 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxSAAoJEIXCXpWhbrlN9FYIAJ3XB7GNvsYMIppeU5Dfl0cx qk5NEUr+GPeL8KYx8tj+9VsiqFb/9BCvui2VeWtAPoXIyXs/n8ZdwlJD0WQujwyt Es0M37NjfkBJ15z8+AfX6QCwsMO9grh2bmV9eokiPps2mx24ql3LlBAhclJOB5aH K02bdHOSMM4YkqIyOds5wc3GavAQfwTQ171kBrwPTKQ29hmnCpBpWtfFhA74/SS1 viOKflOTV1KKH1SMutBVSKF2+9aOqTubc1K+uGLptRF/t9P1SlzFtQFYs0hcYGmk cU2h8GJUvogkiLQi1fn429eo08iCFR1WNxR8MIiEroTz4Pq7Le5SpfEhqO0X/LI= =vFE/ -----END PGP SIGNATURE-----