diff options
| -rw-r--r-- | dbrandom.c | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -151,12 +151,17 @@ static void write_urandom() #if DROPBEAR_FUZZ void fuzz_seed(const unsigned char* dat, unsigned int len) { - hash_state hs; - sha1_init(&hs); - sha1_process(&hs, "fuzzfuzzfuzz", strlen("fuzzfuzzfuzz")); - sha1_process(&hs, dat, len); - sha1_done(&hs, hashpool); - + static unsigned char keep_pool[SHA1_HASH_SIZE]; + static int once = 0; + if (!once) { + once = 1; + hash_state hs; + sha1_init(&hs); + sha1_process(&hs, "fuzzfuzzfuzz", strlen("fuzzfuzzfuzz")); + sha1_process(&hs, dat, len); + sha1_done(&hs, keep_pool); + } + memcpy(hashpool, keep_pool, sizeof(keep_pool)); counter = 0; donerandinit = 1; } |