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-rw-r--r--src/fuzzer/redc_p192.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/fuzzer/redc_p192.cpp b/src/fuzzer/redc_p192.cpp
new file mode 100644
index 000000000..e1f7c753f
--- /dev/null
+++ b/src/fuzzer/redc_p192.cpp
@@ -0,0 +1,26 @@
+/*
+* (C) 2015,2016 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include "fuzzers.h"
+#include "redc_helper.h"
+#include <botan/curve_nistp.h>
+
+void fuzz(const uint8_t in[], size_t len)
+ {
+ if(len > 2*192/8)
+ return;
+
+ static const Botan::BigInt& prime = Botan::prime_p192();
+ static const Botan::BigInt prime_2 = prime * prime;
+ static Botan::Modular_Reducer prime_redc(prime);
+
+ Botan::BigInt x = Botan::BigInt::decode(in, len);
+
+ if(x < prime_2)
+ {
+ check_redc(Botan::redc_p192, prime_redc, prime, x);
+ }
+ }