Signature Verification using GPG

Werner Koch wk at
Tue Mar 8 17:08:05 CET 2011

On Tue,  8 Mar 2011 14:53, christoph.rachinger at

> I'm currently trying to write a kernel module that checks digital
> signatures of binaries. For the cryptographic part I'm using the
> sourcecode of GPG 1.4.11 (the SHA1 computation, the RSA verifcation and

FWIW:  You might be interested in

which is a implementation of OpenPGP signature verification for ELF
object.  It is DSA only but may it may be of help to get your code



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