From: "Martin Boßlet" Date: 2012-03-30T07:25:12+09:00 Subject: Re: ECDSA encryption with OpenSSL Am 29. März 2012 23:16 schrieb Henri S. : > I tried the same code on my mac and it just ended OK. > I am now trying to find the difference between the mac and the ubuntu > Are you sure that's the exact code you tried? The last line doesn't work, because of "string + boolean", so it should rather be something like puts "signature verification result = #{key.dsa_verify_asn1(data, sig)}" instead. In that case, I have no problems on a Fedora box - does that help? -Martin