/*********************************************************************
 *
 *	Hash Function Library
 *  Library for Microchip TCP/IP Stack
 *	 -Calculates MD5 and SHA-1 Hashes
 *	 -Reference: RFC 1321 (MD5), RFC 3174 and FIPS 180-1 (SHA-1)
 *
 *********************************************************************
 * FileName:        Hashes.c
 * Dependencies:    None
 * Processor:       PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F, PIC32
 * Processor:       PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F, PIC32
 * Compiler:        Microchip C32 v1.05 or higher
 *					Microchip C30 v3.12 or higher
 *					Microchip C18 v3.30 or higher
 *					HI-TECH PICC-18 PRO 9.63PL2 or higher
 * Company:         Microchip Technology, Inc.
 *
 * Software License Agreement
 *
 * Copyright (C) 2002-2009 Microchip Technology Inc.  All rights
 * reserved.
 *
 * Microchip licenses to you the right to use, modify, copy, and
 * distribute:
 * (i)  the Software when embedded on a Microchip microcontroller or
 *      digital signal controller product ("Device") which is
 *      integrated into Licensee's product; or
 * (ii) ONLY the Software driver source files ENC28J60.c, ENC28J60.h,
 *		ENCX24J600.c and ENCX24J600.h ported to a non-Microchip device
 *		used in conjunction with a Microchip ethernet controller for
 *		the sole purpose of interfacing with the ethernet controller.
 *
 * You should refer to the license agreement accompanying this
 * Software for additional information regarding your rights and
 * obligations.
 *
 * THE SOFTWARE AND DOCUMENTATION ARE PROVIDED "AS IS" WITHOUT
 * WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
 * LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * MICROCHIP BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF
 * PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, ANY CLAIMS
 * BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE
 * THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION, OR OTHER
 * SIMILAR COSTS, WHETHER ASSERTED ON THE BASIS OF CONTRACT, TORT
 * (INCLUDING NEGLIGENCE), BREACH OF WARRANTY, OR OTHERWISE.
 *
 * IMPORTANT:  The implementation and use of third party algorithms,
 * specifications and/or other technology may require a license from
 * various third parties.  It is your responsibility to obtain
 * information regarding any applicable licensing obligations.
 *
 *
 * Author               Date		Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Elliott Wood	        5/01/07		Original
 * Elliott Wood			11/21/07	Greatly increased HashBlock speed
 ********************************************************************/

#ifndef __CRYPT_MD5_H
#define __CRYPT_MD5_H

#include <stdint.h>

#define OVMS_MD5_SIZE    16

typedef struct
{
  uint32_t state[4];        /* state (ABCD) */
  uint32_t count[2];        /* number of bits, modulo 2^64 (lsb first) */
  uint8_t buffer[64];       /* input buffer */
} OVMS_MD5_CTX;

void OVMS_MD5_Init(OVMS_MD5_CTX *);
void OVMS_MD5_Update(OVMS_MD5_CTX *, const uint8_t *msg, int len);
void OVMS_MD5_Final(uint8_t *digest, OVMS_MD5_CTX *);

#endif //#ifndef __CRYPT_MD5_H