Problem when hashing
wk at gnupg.org
Thu Feb 24 15:20:48 CET 2005
On Thu, 24 Feb 2005 13:41:00 +0100, Madelman said:
> So, I suppose it is caused by the leading zero byte in the hash, but where does
> this byte come from? How can I solve this problem?
That is to mark the number as positive. What you should do is to
unsigned char md;
rc = gcry_sexp_build (&hash, NULL,
"(data (flags pkcs1) (hash sha1 %b))",
That's far easier, isn't it? Make sure that the first argument of %b
has the type size_t, the second one is a pointer of course.
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