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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2001 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#ifndef CAMEL_CIPHER_CONTEXT_H
#define CAMEL_CIPHER_CONTEXT_H
#include <camel/camel-session.h>
#include <camel/camel-stream.h>
#include <camel/camel-exception.h>
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */
#define CAMEL_CIPHER_CONTEXT_TYPE (camel_cipher_context_get_type ())
#define CAMEL_CIPHER_CONTEXT(obj) (CAMEL_CHECK_CAST((obj), CAMEL_CIPHER_CONTEXT_TYPE, CamelCipherContext))
#define CAMEL_CIPHER_CONTEXT_CLASS(k) (CAMEL_CHECK_CLASS_CAST ((k), CAMEL_CIPHER_CONTEXT_TYPE, CamelCipherContextClass))
#define CAMEL_IS_CIPHER_CONTEXT(o) (CAMEL_CHECK_TYPE((o), CAMEL_CIPHER_CONTEXT_TYPE))
typedef struct _CamelCipherValidity CamelCipherValidity;
typedef enum {
CAMEL_CIPHER_HASH_DEFAULT,
CAMEL_CIPHER_HASH_MD2,
CAMEL_CIPHER_HASH_MD5,
CAMEL_CIPHER_HASH_SHA1,
CAMEL_CIPHER_HASH_RIPEMD160
} CamelCipherHash;
typedef struct _CamelCipherContext {
CamelObject parent_object;
struct _CamelCipherContextPrivate *priv;
CamelSession *session;
/* these MUST be set by implementors */
const char *sign_protocol;
const char *encrypt_protocol;
} CamelCipherContext;
typedef struct _CamelCipherContextClass {
CamelObjectClass parent_class;
int (*sign) (CamelCipherContext *ctx, const char *userid, CamelCipherHash hash,
CamelStream *istream, CamelStream *ostream, CamelException *ex);
CamelCipherValidity * (*verify) (CamelCipherContext *context, CamelCipherHash hash,
CamelStream *istream, CamelStream *sigstream,
CamelException *ex);
int (*encrypt) (CamelCipherContext *context, gboolean sign, const char *userid,
GPtrArray *recipients, CamelStream *istream, CamelStream *ostream,
CamelException *ex);
int (*decrypt) (CamelCipherContext *context, CamelStream *istream, CamelStream *ostream,
CamelException *ex);
CamelCipherHash (*id_to_hash)(CamelCipherContext *context, const char *id);
const char * (*hash_to_id)(CamelCipherContext *context, CamelCipherHash hash);
} CamelCipherContextClass;
CamelType camel_cipher_context_get_type (void);
CamelCipherContext *camel_cipher_context_new (CamelSession *session);
void camel_cipher_context_construct (CamelCipherContext *context, CamelSession *session);
/* cipher routines */
int camel_cipher_sign (CamelCipherContext *context, const char *userid, CamelCipherHash hash,
CamelStream *istream, CamelStream *ostream, CamelException *ex);
CamelCipherValidity *camel_cipher_verify (CamelCipherContext *context, CamelCipherHash hash,
CamelStream *istream, CamelStream *sigstream,
CamelException *ex);
int camel_cipher_encrypt (CamelCipherContext *context, gboolean sign, const char *userid,
GPtrArray *recipients, CamelStream *istream, CamelStream *ostream,
CamelException *ex);
int camel_cipher_decrypt (CamelCipherContext *context, CamelStream *istream, CamelStream *ostream,
CamelException *ex);
/* cipher context util routines */
CamelCipherHash camel_cipher_id_to_hash (CamelCipherContext *context, const char *id);
const char * camel_cipher_hash_to_id (CamelCipherContext *context, CamelCipherHash hash);
/* CamelCipherValidity utility functions */
CamelCipherValidity *camel_cipher_validity_new (void);
void camel_cipher_validity_init (CamelCipherValidity *validity);
gboolean camel_cipher_validity_get_valid (CamelCipherValidity *validity);
void camel_cipher_validity_set_valid (CamelCipherValidity *validity, gboolean valid);
char *camel_cipher_validity_get_description (CamelCipherValidity *validity);
void camel_cipher_validity_set_description (CamelCipherValidity *validity, const char *description);
void camel_cipher_validity_clear (CamelCipherValidity *validity);
void camel_cipher_validity_free (CamelCipherValidity *validity);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CAMEL_CIPHER_CONTEXT_H */
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