Newbie help - password hash

[Brad Hards]

On Monday 14 September 2009 04:52:42 cc10 wrote:
> char userPass[16]; // password of the user (string)
> scanf("%s", &userPass);
Nothing to do with gcrypt, but what do you think will happen if the user 
writes more than about 16 characters here?

> char userPassHash[16]; // hash of the password
> gcry_md_hash_buffer(1, userPassHash, userPass, strlen(userPass));

You didn't post most of your code, so it is a bit difficult to know, but did you 
remember to initialize the library?

If so, can you post a minimal compilable example that shows the problem?

Brad