src/md5.h

   1 /*********************************************************************
   2 * Filename:   md5.h
   3 * Author:     Brad Conte (brad AT bradconte.com)
   4 * Copyright:
   5 * Disclaimer: This code is presented "as is" without any guarantees.
   6 * Details:    Defines the API for the corresponding MD5 implementation.
   7 *********************************************************************/
   8
   9 #ifndef MD5_H
  10 #define MD5_H
  11
  12 /*************************** HEADER FILES ***************************/
  13 #include <stddef.h>
  14
  15 /****************************** MACROS ******************************/
  16 #define MD5_BLOCK_SIZE 16               // MD5 outputs a 16 byte digest
  17
  18 /**************************** DATA TYPES ****************************/
  19 typedef unsigned char BYTE;             // 8-bit byte
  20 typedef unsigned int  WORD;             // 32-bit word, change to "long" for 16-bit machines
  21
  22 typedef struct {
  23    BYTE data[64];
  24    WORD datalen;
  25    unsigned long long bitlen;
  26    WORD state[4];
  27 } MD5_CTX;
  28
  29 /*********************** FUNCTION DECLARATIONS **********************/
  30 void md5_init(MD5_CTX *ctx);
  31 void md5_update(MD5_CTX *ctx, const BYTE data[], size_t len);
  32 void md5_final(MD5_CTX *ctx, BYTE hash[]);
  33
  34 #endif   // MD5_H