/*
 * Vanitygen, vanity bitcoin address generator
 * Copyright (C) 2011 <samr7@cs.washington.edu>
 *
 * Vanitygen is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version. 
 *
 * Vanitygen is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Vanitygen.  If not, see <http://www.gnu.org/licenses/>.
 */

#if !defined (__VG_UTIL_H__)
#define __VG_UTIL_H__

#include <stdint.h>

#include <openssl/bn.h>
#include <openssl/ec.h>

extern const char *vg_b58_alphabet;
extern const signed char vg_b58_reverse_map[256];

extern void dumphex(const unsigned char *src, size_t len);
extern void dumpbn(const BIGNUM *bn);

extern void vg_b58_encode_check(void *buf, size_t len, char *result);
extern int vg_b58_decode_check(const char *input, void *buf, size_t len);

extern void vg_encode_address(const EC_KEY *pkey, int addrtype, char *result);
extern void vg_encode_privkey(const EC_KEY *pkey, int addrtype, char *result);
extern int vg_set_privkey(const BIGNUM *bnpriv, EC_KEY *pkey);
extern int vg_decode_privkey(const char *b58encoded,
			     EC_KEY *pkey, int *addrtype);


extern int vg_read_file(FILE *fp, char ***result, int *rescount);

#endif /* !defined (__VG_UTIL_H__) */