Signed with the key of Horms which can be found on key servers as id 0x05410E97 To verify the signature using gpg run: gpg --verify checksums.asc checksums To generate the checksums, use the md5sums and sha1sums commands MD5 Checksums: fd93982f6ee1d3640a8f3b612dcfadfa heartbeat-2.1.2.tar.gz SHA1 Checksums: 8d73baa487f7f117b76a146c00f48964c5a1e76a heartbeat-2.1.2.tar.gz