-----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-nodejs_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-nodejs_14.1-1_amd64.tar.gz 0527f370f52b497256ea13c2a257d9ad $ sha1sum debian-8-turnkey-nodejs_14.1-1_amd64.tar.gz 0c987ecb7882a499e8e7f42be5dad620e9139ed4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnsAAoJEIXCXpWhbrlNW/gIALzdMh8YxWahviVidWZeBVs5 aoAlKds6Ew7rWIosiygis0+JQYDzbK9JxMY0wun/kW9Tbh/S2vg2XL4wSTH3rJfz 0lnO5p3BpCxYpm7ahtTFDiMMq5diHFW/YlP/sc/2FTNhr1kUAQAe3GIKuzAortCI OMU3mH2DSW6G5sDornmAq3Ipo9k3RgLtqmHbqHu2VoOQSxlBQo+BzBWLjiN+p+pw 8vJAuM9cFe9xSIUZI2M7dmTeYQnenHRMHlN+nNvasUlh//guX5DhT8OrZHukK5tX BUrpmDcti/AK3blVnDjBfe5fZRDP16iIUJt8I1bIko5OjZ2cIhX5xX4E3jXeuDM= =8goH -----END PGP SIGNATURE-----