This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --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-7-turnkey-magento_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 16:36:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d9ee151b5ee86045ed852d97dfe85146b6279e8d * md5sum a01232803ed955a1a46e041d5d358a8b You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXW8gAAoJEIXCXpWhbrlNgAwIAOlQTp+briw1cFED0ZUGy39J JDtgZ4jARQCTrB3KFApWvpw0GdJOcm0vBtJql97v6yxmgOmi0CWdq1iwrBXoX2wg ZvG+uvut4ZIfQSGyEdLG1W51ER2QZ4yKgPUviCvSM0Q5zkIY/Il9LO65gNw2wlB6 eTPM57w7K7GvBX5/0fOB+hOJecpHkfMfgtVKty6Hzqi7vFuHMsGFm7w2jr8H2q5t xh6lrYIdIbFJGwvPgYXENcdUzDyDYTjSRMDIOShlO5b0xdmYPfSJWTyYdex13OK/ ToVnpO0Vi0EiwZfvhwWrjVp+6FNIBvx6ILJnX6ax0PhEi5R2Jegk8Tj3K03gEOc= =QSKh -----END PGP SIGNATURE-----