Re: Replace px_memset() with explicit_bzero()

On 25.08.26 14:27, Sehrope Sarkuni wrote:
> I eyeballed the patch. Looks mechanical and fine.
>
> One thing stood out, but it's from the existing code:
>
>
> diff --git a/contrib/pgcrypto/crypt-sha.c b/contrib/pgcrypto/crypt-sha.c
> index 8191ba02b23..eab86f8206c 100644
> --- a/contrib/pgcrypto/crypt-sha.c
> +++ b/contrib/pgcrypto/crypt-sha.c
> @@ -477,7 +477,7 @@ px_crypt_shacrypt(const char *pw, const char *salt,
> char *passwd, unsigned dstle
>   memcpy(cp, sha_buf_tmp, block);
>
>   /* Make sure we don't leave something important behind */
> - px_memset(&sha_buf_tmp, 0, sizeof sha_buf);
> + explicit_bzero(&sha_buf_tmp, sizeof sha_buf);
>
>   /*-
>   * 21. Repeat a loop according to the number specified in the rounds=<N>
>
>
> That's sha_buf in the sizeof but we're zeroing out sha_buf_tmp.
>
> They're both of length PX_SHACRYPT_DIGEST_MAX_LEN so the result is the
> same. It just reads weird.
>
> Might as well fix that now too if going to touch that line.

Thanks. I committed that fix along with the rest of the patch.