-----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-mongodb-14.1-jessie-amd64-vmdk.zip.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-mongodb-14.1-jessie-amd64-vmdk.zip f155a7fd4287411f60e61bb3de762b05 $ sha1sum turnkey-mongodb-14.1-jessie-amd64-vmdk.zip 8ad472b37416977db2ea9a3a26c19a0f72989139 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNeykH/jkHCEEtWwP9CAapZvr/AxQQ sgraOt9MLgajEW3WQmCsQVLlEIsAiSU1DX/bT1+/2aJBxl13doZOv0+kCEAO2imr 8JRMfuxo9b7U6Jbp/7j/HX/e/bayz1Djx0cKCH9pu/+D6uRXPhE1Wicqiyhn5poN 3sjF/O6vedrbJzxbbuBHB/zoLITsc8k3qvFu/fu5TYpMWg081pt9HQSCF+SzpwXp BZGnR+24hrs7GlkKtXpm64A6oyrbUL94lBDnPd5mnGj3pwUSgGeMcepicngZ6whg uVIqrbKlGPpeeEazkC8lc+x6hALcaxtnlHq9iCpXPAlxohcL1wQPQqsrS8TZRuo= =CJAU -----END PGP SIGNATURE-----