#ifndef __SHA1_H__ #define __SHA1_H__ typedef struct { unsigned long state[5]; unsigned long count[2]; unsigned char buffer[64]; } SHA1_CTX; void SHA1Init(SHA1_CTX* context); void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int len); void SHA1Final(unsigned char digest[20], SHA1_CTX* context); #endif