==> result = DSA_verify(NID_sha1, hash, 20, \ sig, 20, dsa);
sure that your signature is 20 bytes long, as it is a structure containing two 160 bit numbers it seems a little bit short to me :)
Thanks for your response, Nils.
You appear to see through something that is still unclear to me. This may be because I'm new to both openssl and C programming in general (please bear with me if I overlook the obvious). Or maybe you just meant something different from what I understood. Just to make sure:
- 20 bytes corresponds to 160 bits, doesn't it?
- How can DSA_verify() believe the signature size to be different from 20 bytes, if I pass a hard coded "20" as the fifth argument to DSA_verify()?
- I don't understand which "structure containing two 160 bit numbers" you're referring to.
Greetings,
Erik Leunissen ==============
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