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List: gcrypt-devel
Subject: [PATCH 2/2] rndhw: wipe temporary buffer after use
From: Jussi Kivilinna <jussi.kivilinna () iki ! fi>
Date: 2020-02-02 22:29:32
Message-ID: 158068257251.30852.17934075591379141517.stgit () localhost6 ! localdomain6
[Download RAW message or body]
* random/rndhw.c (poll_drng): Wipe buffer on exit.
--
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
random/rndhw.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/random/rndhw.c b/random/rndhw.c
index 3cf9acc3a..3c0abe7c7 100644
--- a/random/rndhw.c
+++ b/random/rndhw.c
@@ -165,6 +165,7 @@ poll_drng (add_fn_t add, enum random_origins origin, int fast)
if (!rdrand_nlong (buffer, DIM(buffer)))
return 0;
(*add)((void *)buffer, nbytes, origin);
+ wipememory (buffer, nbytes);
return nbytes;
}
#endif /*USE_DRNG*/
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