Hi V,
the flashrom releases are usually signed by Stefan Tauner and me. Older releases are signed by Peter Stuge as well.
DSA key ID 6785FC01: "Carl-Daniel Hailfinger" DSA key ID D8487C48: "Peter Stuge" RSA key ID 023DF00B: "Stefan Tauner"
All keys are on the public key servers.
Regards, Carl-Daniel