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-rw-r--r--regress/misc/fuzz-harness/sshsig_fuzz.cc37
1 files changed, 37 insertions, 0 deletions
diff --git a/regress/misc/fuzz-harness/sshsig_fuzz.cc b/regress/misc/fuzz-harness/sshsig_fuzz.cc
new file mode 100644
index 0000000..02211a0
--- /dev/null
+++ b/regress/misc/fuzz-harness/sshsig_fuzz.cc
@@ -0,0 +1,37 @@
+// cc_fuzz_target test for sshsig verification.
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+extern "C" {
+
+#include "includes.h"
+#include "sshkey.h"
+#include "ssherr.h"
+#include "sshbuf.h"
+#include "sshsig.h"
+#include "log.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t* sig, size_t slen)
+{
+ static const char *data = "If everyone started announcing his nose had "
+ "run away, I don’t know how it would all end";
+ struct sshbuf *signature = sshbuf_from(sig, slen);
+ struct sshbuf *message = sshbuf_from(data, strlen(data));
+ struct sshkey *k = NULL;
+ struct sshkey_sig_details *details = NULL;
+ extern char *__progname;
+
+ log_init(__progname, SYSLOG_LEVEL_QUIET, SYSLOG_FACILITY_USER, 1);
+ sshsig_verifyb(signature, message, "castle", &k, &details);
+ sshkey_sig_details_free(details);
+ sshkey_free(k);
+ sshbuf_free(signature);
+ sshbuf_free(message);
+ return 0;
+}
+
+} // extern