-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-matomo-15.1-stretch-amd64.iso.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-matomo-15.1-stretch-amd64.iso 89bce8c622a24cbaf6fe512118731495a86f6a08f7df840cd1025fd047089444 turnkey-matomo-15.1-stretch-amd64.iso $ sha512sum turnkey-matomo-15.1-stretch-amd64.iso 478ad3c4bda23984ab52fd1027d5e9fec07dd151d08f5622da0a3f463ba685fc8b607afba6436ff0adc17de64cee09f3361c24a4c4ea78cf15041974aed16859 turnkey-matomo-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-matomo-15.1-stretch-amd64.iso.hash turnkey-matomo-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-matomo-15.1-stretch-amd64.iso.hash turnkey-matomo-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pikACgkQhcJelaFu uU2Efgf9HO5uQnYJ+uPJuI9Pa9xB7p6O2h7Me5qWyRCVlNqGqXev4oTR+eHHM5qc xBoRDCP44UX/XClN6Yeb9MlShgu/baw+G6YGOOfdbvy9i6C5+vcCnfRPkJWcrZVj uG/R9S0Wojs9lQPfjdERH/X2fpr20CcZcVD2c01QB/bKS0Z9vfBwpLdrtV7b2cx5 2OmeoTNwzl4b1iD66YJ+3ANW87xUZGk1rKI5tT9iGAja/1rdJV+yizqHnHlWz9Rc WX6Ot3u2Ohe0gWx3OgRkiOZXXzXzsoA5m573GvL9MYs8PJBKsy9YtJo5HENXbToB 9AzCMcDxNHtrvz+jPLYNyRDl/NTLZA== =O4dc -----END PGP SIGNATURE-----