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authorNick Mathewson <nickm@torproject.org>2012-12-25 22:43:01 -0500
committerNick Mathewson <nickm@torproject.org>2013-01-03 11:29:49 -0500
commitd3de0b91fb322c00d11857d89a8420af0d466e39 (patch)
tree1c33f8f2126db0ede938cbff1d5a111640cf167d /src/or/onion_fast.c
parent94cb7bd24d2ffda9038c267b3ee0837dd64ec903 (diff)
downloadtor-d3de0b91fb322c00d11857d89a8420af0d466e39.tar
tor-d3de0b91fb322c00d11857d89a8420af0d466e39.tar.gz
Check all crypto_rand return values for ntor.
Diffstat (limited to 'src/or/onion_fast.c')
-rw-r--r--src/or/onion_fast.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/or/onion_fast.c b/src/or/onion_fast.c
index eb9eceba8..c1a05233e 100644
--- a/src/or/onion_fast.c
+++ b/src/or/onion_fast.c
@@ -29,8 +29,11 @@ fast_onionskin_create(fast_handshake_state_t **handshake_state_out,
uint8_t *handshake_out)
{
fast_handshake_state_t *s;
- *handshake_state_out = s =tor_malloc(sizeof(fast_handshake_state_t));
- crypto_rand((char*)s->state, sizeof(s->state));
+ *handshake_state_out = s = tor_malloc(sizeof(fast_handshake_state_t));
+ if (crypto_rand((char*)s->state, sizeof(s->state)) < 0) {
+ tor_free(s);
+ return -1;
+ }
memcpy(handshake_out, s->state, DIGEST_LEN);
return 0;
}