/* encode.h -- base64 encoding/decoding functions */ 

/* Copyright 2010 Wind River Systems, Inc. */
 
/*
modification history:
---------------------
01a,08sep10,ggz  created based on openssl encode lib. 
*/

#ifndef HEADER_ENCODE_H
#define HEADER_ENCODE_H 

typedef struct evp_Encode_Ctx_st
	{
	int num;	/* number saved in a partial encode/decode */
	int length;	/* The length is either the output line length
			 * (in input bytes) or the shortest input line
			 * length that is ok.  Once decoding begins,
			 * the length is adjusted up each time a longer
			 * line is decoded */
	unsigned char enc_data[80];	/* data to encode */
	int line_num;	/* number read on current line */
	int expect_nl;
	} EVP_ENCODE_CTX;

#ifdef __cplusplus
extern "C" {
#endif

void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);

void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
           	     const unsigned char *in, int inl);

void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);

void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);

int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
	     const unsigned char *in, int inl);

int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);


#ifdef __cplusplus
}
#endif


#endif