/* libquvi

 * Copyright (C) 2013  Toni Gundogdu <legatvs@gmail.com>

 *

 * This file is part of libquvi <http://quvi.sourceforge.net/>.

 *

 * This library 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 (at your option) any later version.

 *

 * This library 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 this library.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

#ifndef crypto_h

typedef enum

{

  CRYPTO_MODE_ENCRYPT,

  CRYPTO_MODE_DECRYPT,

  CRYPTO_MODE_HASH

} CryptoMode;

struct crypto_s

{

  struct

  {

    gboolean should_pad;

    gcry_cipher_hd_t h;

    gsize blklen;

    gsize keylen;

    guint flags;

    gchar *key;

    gint mode;

  } cipher;

  struct

  {

    guchar *data;

    gsize dlen;

  } out;

  CryptoMode mode;

  gchar *errmsg;

  gint algo;

  gint rc;

};

typedef struct crypto_s *crypto_t;

crypto_t crypto_new(const gchar*, const CryptoMode, gchar*,

                    const gint, const guint);

void crypto_free(crypto_t);

gint crypto_exec(crypto_t, const guchar*, const gsize);

void crypto_dump(const gchar*, const guchar*, const gsize);

gboolean crypto_ok(crypto_t);

gchar *crypto_bytes2hex(const guchar*, const gsize);

guchar *crypto_hex2bytes(const gchar*, gsize*);

#endif /* crypto_h */

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