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      1 //===- FuzzerSHA1.h - Internal header for the SHA1 utils --------*- C++ -* ===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 // SHA1 utils.
     10 //===----------------------------------------------------------------------===//
     11 
     12 #ifndef LLVM_FUZZER_SHA1_H
     13 #define LLVM_FUZZER_SHA1_H
     14 
     15 #include "FuzzerDefs.h"
     16 #include <cstddef>
     17 #include <stdint.h>
     18 
     19 namespace fuzzer {
     20 
     21 // Private copy of SHA1 implementation.
     22 static const int kSHA1NumBytes = 20;
     23 
     24 // Computes SHA1 hash of 'Len' bytes in 'Data', writes kSHA1NumBytes to 'Out'.
     25 void ComputeSHA1(const uint8_t *Data, size_t Len, uint8_t *Out);
     26 
     27 std::string Sha1ToString(const uint8_t Sha1[kSHA1NumBytes]);
     28 
     29 std::string Hash(const Unit &U);
     30 
     31 }  // namespace fuzzer
     32 
     33 #endif  // LLVM_FUZZER_SHA1_H
     34