I thought I tried this, but let me try again.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Christophe Devine
Sent: Saturday, April 21, 2007 2:03 AM
To: [email protected]
Subject: Re: BIGNUM library
Edward Chan <[EMAIL PROTECTED]> wrote:
> But I think this always returned me 128 bytes. So am I supposed to
> bzero the output buffer first?
Here's how I fixed the bug (not very elegant, it was a quick hack)
int i, ret = DH_compute_key(secret, pkey, m_dh);
if( ret > 0 && ret < 128 )
{
for(i = ret; i >= 0; i--)
secret[i+1] = secret[i];
memset(secret, 0, 128 - ret);
}
ReverseBytes(secret, size);
Christophe
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