Re: speed differences between EVP_Sign and EVP_Verify

2002-10-29 Thread Martin Witzel
> Good cryptographic > software should not have different execution times > dependent on a bit value, though. (...) Or are you just saying that the fact that the public key has mostly zeros in the exponent should not matter, and the speed difference can be attributed only to the exponent size?

Re: speed differences between EVP_Sign and EVP_Verify

2002-10-28 Thread Martin Witzel
Signing uses the private key, normally with a longer exponent. Verification uses the public key, normally with a short exponent and with mostly zeros in the exponent. Good cryptographic software should not have different execution times dependent on a bit value, though. Martin icewind <[EMAIL PR

Re: speed differences between EVP_Sign and EVP_Verify

2002-10-27 Thread Vadim Fedukovich
On Sun, Oct 27, 2002 at 02:11:12PM -0800, icewind wrote: > I am running some speed tests in which I use the > EVP_Sign and EVP_Verify functions. I have noticed that > the Signing takes much longer (about 10 times longer) > on average than does Verifying. This doesnt make sense > to me. Is what I am