-----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-lamp-14.1-jessie-i386.iso.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-lamp-14.1-jessie-i386.iso a3bd7aba2ea4dc9b9cc9ed310a958701 $ sha1sum turnkey-lamp-14.1-jessie-i386.iso 6d1f53a0408d748187a2bf804dd493a38ceb4da3 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPyAAoJEIXCXpWhbrlNRc4IAM8VGtJ+MPERp8Snqyif3onl rz7o7FmQbdIPZHtqhj3c+OK0MioLv/vtWi2oDHBJldUtfxZQBUY2kyg+SRQM/eOU PrKGMKoYAradCtXFS37sO4bkxGkEKQqJRHv0fU7LDSeGthG3mnFMuiL3T75ztkXt O3EHnFYuNyuYgO1yfIj0aolAbxMecS6pSBM1OZqSppWnyQ6OwZpRSA6zbBY5EuRu qdI3Ba8oZeDC9Qp5DFmoj2FSZQxInhhO9pgat/vI+bE++JtS3FsMpTbi65fQxR6p q8ECtwA160XJVPgILQAlPaBBSKFoj2Eq20buLFIP/XFbP0H+0Q6bxEhMewcHIsI= =VM9b -----END PGP SIGNATURE-----