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Diffstat (limited to 'src/fuzzer/redc_p192.cpp')
-rw-r--r-- | src/fuzzer/redc_p192.cpp | 26 |
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); + } + } |