-----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-prestashop_14.1-1_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-prestashop_14.1-1_amd64.tar.gz 83672b4cb62f84d3f1a7b46a2807e1bb $ sha1sum debian-8-turnkey-prestashop_14.1-1_amd64.tar.gz 6976beb5f890e159c1c75d7951c29fd8a7ef23e2 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJntAAoJEIXCXpWhbrlN/xwIAOrVW3uJcsG4hPb0HMKtE87o 8UMWQPT10yicvzt17MtPbChsymr5hJjTHng2ySjjjXeJhtMsZzzvOoiOfAhnx3X6 yQ1X6Iehy05nN6aw9EffwVjirFVVyx7JwsJ642D0byrrQjhZly0xujtsaLDo96/K TwCggTHZAILMbR4pvRoHPJ0BASRqLCtGIEzHGUwgt3/dSuFmgndzmMudL5FiXnkn vtw0z4x2M2e6fvlnfbsa8Zrk1okGZFpFS9IVkk+xYmmPhMlmzUqNOqLiFkObHEgq pYo/52sJiPwrvDbu8jrGmNt6/EcI+i2VaZS+LyZJtKtnr6iw9iqOccCvZBoAAN8= =zuar -----END PGP SIGNATURE-----