Commit 2ef4d5c4 authored Mar 13, 2015 by Stephan Mueller Committed by Herbert Xu Mar 16, 2015

crypto: algif_rng - zeroize buffer with random data



Due to the change to RNGs to always return zero in success case, the RNG
interface must zeroize the buffer with the length provided by the
caller.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 5986ac4f

crypto/algif_rng.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -87,7 +87,7 @@ static int rng_recvmsg(struct kiocb unused, struct socket sock,
		return genlen;

		err = memcpy_to_msg(msg, result, len);
		memzero_explicit(result, genlen);
		memzero_explicit(result, len);

		return err ? err : len;
		}