text: /*
   * Copyright (C) 2016 The Android Open Source Project
   * Copyright (C) 2016 The CyanogenMod Project
   * Copyright (C) 2016 The Mokee Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef __HASH_H_
  #define __HASH_H_
  
  
  #define SHA1CircularShift(bits,word) ((((word) << (bits)) & 0xFFFFFFFF) | ((word) >> (32-(bits))))
  #define MAX_FILE_LENGTH (300000)
  
  typedef struct SHA1Context{
  	unsigned Message_Digest[5];      
  	unsigned Length_Low;             
  	unsigned Length_High;            
  	unsigned char Message_Block[64]; 
  	int Message_Block_Index;         
  	int Computed;                    
  	int Corrupted;                   
  } SHA1Context;
  
  void SHA1Reset(SHA1Context *);
  int SHA1Result(SHA1Context *);
  void SHA1Input( SHA1Context *,const char *,unsigned);
  
  void SHA1ProcessMessageBlock(SHA1Context *);
  void SHA1PadMessage(SHA1Context *);
  int sha1_hash(const char *source, int len);
  
  uint64_t hash_file(const char *file_path);
  uint64_t hash_string(const char *str);
  
  #endif //__HASH_H_
  