#ifndef _RAR_SHA1_
 #define _RAR_SHA1_
 
 typedef struct {
     uint32 state[5];
     uint64 count;
     unsigned char buffer[64];
 } sha1_context;
 
 void sha1_init( sha1_context * c );
 void sha1_process(sha1_context * c, const byte *data, size_t len);
 void sha1_process_rar29(sha1_context *context, const unsigned char *data, size_t len);
 void sha1_done( sha1_context * c, uint32 digest[5] );
 
 #endif