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 * contents of this file constitute Original Code as defined in and are
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/*
	File:		md5digest.h

	Contains:   Provides a function to calculate the md5 digest 
				given all the authentication parameters.
					
*/

#ifndef _MD5DIGEST_H_
#define _MD5DIGEST_H_

#include "StrPtrLen.h"

enum {
	kHashHexLen = 	32,
	kHashLen	= 	16
};

// HashToString allocates memory for hashStr->Ptr 
void HashToString(unsigned char aHash[kHashLen], StrPtrLen* hashStr);

// allocates memory for hashA1Hex16Bit->Ptr					  
void CalcMD5HA1(StrPtrLen* userName, StrPtrLen* realm, StrPtrLen* userPassword, StrPtrLen* hashA1Hex16Bit);

// allocates memory to hA1->Ptr
void CalcHA1( StrPtrLen* algorithm, 
			  StrPtrLen* userName, 
			  StrPtrLen* realm,
			  StrPtrLen* userPassword, 
			  StrPtrLen* nonce, 
			  StrPtrLen* cNonce,
			  StrPtrLen* hA1
			);

// allocates memory to hA1->Ptr
void CalcHA1Md5Sess(StrPtrLen* hashA1Hex16Bit, StrPtrLen* nonce, StrPtrLen* cNonce, StrPtrLen* hA1);

// allocates memory for requestDigest->Ptr				 
void CalcRequestDigest(	StrPtrLen* hA1, 
						StrPtrLen* nonce, 
						StrPtrLen* nonceCount, 
						StrPtrLen* cNonce,
						StrPtrLen* qop,
						StrPtrLen* method, 
						StrPtrLen* digestUri, 
						StrPtrLen* hEntity, 
						StrPtrLen* requestDigest
					  );


void to64(register char *s, register long v, register int n);

// Doesn't allocate any memory. The size of the result buffer should be nbytes
void MD5Encode(const char *pw, const char *salt, char *result, int nbytes);

#endif