1 #ifndef _SHA1_H

     2 #define _SHA1_H

     3 

     4 #ifndef uint8

     5 #define uint8  unsigned char

     6 #endif

     7 

     8 #ifndef uint32

     9 #define uint32 unsigned long int

    10 #endif

    11 

    12 typedef struct

    13 {

    14     uint32 total[2];

    15     uint32 state[5];

    16     uint8 buffer[64];

    17 }

    18 sha1_context;

    19 

    20 void sha1_starts( sha1_context *ctx );

    21 void sha1_update( sha1_context *ctx, uint8 *input, uint32 length );

    22 void sha1_finish( sha1_context *ctx, uint8 digest[20] );

    23 

    24 #endif /* sha1.h */