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authorDamien Miller <djm@cvs.openbsd.org>2015-01-18 19:53:59 +0000
committerDamien Miller <djm@cvs.openbsd.org>2015-01-18 19:53:59 +0000
commitccf5b985236313c4b5baf11b42b10d37c32e3d6a (patch)
treecd05777b65b2acafe66d792d6d25dc28ef7ed764 /regress/usr.bin
parenta56149a152e13d8b8fd8164740e8e6c5fd462678 (diff)
make the signature fuzzing test much more rigorous:
ensure that the fuzzed input cases do not match the original (using new fuzz_matches_original() function) and check that the verification fails in each case
Diffstat (limited to 'regress/usr.bin')
-rw-r--r--regress/usr.bin/ssh/unittests/sshkey/test_fuzz.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/regress/usr.bin/ssh/unittests/sshkey/test_fuzz.c b/regress/usr.bin/ssh/unittests/sshkey/test_fuzz.c
index 936a8899cad..0e9cb6f5a78 100644
--- a/regress/usr.bin/ssh/unittests/sshkey/test_fuzz.c
+++ b/regress/usr.bin/ssh/unittests/sshkey/test_fuzz.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: test_fuzz.c,v 1.1 2014/06/24 01:14:18 djm Exp $ */
+/* $OpenBSD: test_fuzz.c,v 1.2 2015/01/18 19:53:58 djm Exp $ */
/*
* Fuzz tests for key parsing
*
@@ -81,8 +81,11 @@ sig_fuzz(struct sshkey *k)
free(sig);
TEST_ONERROR(onerror, fuzz);
for(; !fuzz_done(fuzz); fuzz_next(fuzz)) {
- sshkey_verify(k, fuzz_ptr(fuzz), fuzz_len(fuzz),
- c, sizeof(c), 0);
+ /* Ensure 1-bit difference at least */
+ if (fuzz_matches_original(fuzz))
+ continue;
+ ASSERT_INT_NE(sshkey_verify(k, fuzz_ptr(fuzz), fuzz_len(fuzz),
+ c, sizeof(c), 0), 0);
}
fuzz_cleanup(fuzz);
}