I guess DSA should give 40 bytes +- a bit of boiler plate.
I have some code at http://www.cypherspace.org/openpgp/pgpdsa/ that creates and verifies somewhat PGP/GPG compatible DSA sigs. (It uses openssl for the bignum library I use DSA_do_sign & DSA_do_verify). Adam On Mon, Nov 08, 2010 at 10:51:33AM -0500, Jonathan Katz wrote:
I am looking for a short signature scheme (certainly shorter than RSA signatures, as short as possible would be nice...) that is *patent-free* and (less important) easy to implement. Any suggestions?
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