pidgin/pidgin

Move migration to core, check for errors
xdg-dirs
2017-06-30, qarkai
ea7c40572374
Move migration to core, check for errors
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef PURPLE_CIPHER_H
#define PURPLE_CIPHER_H
/**
* SECTION:cipher
* @section_id: libpurple-cipher
* @short_description: <filename>cipher.h</filename>
* @title: Cipher and Hash API
*/
#include <glib.h>
#include <glib-object.h>
#include <string.h>
#define PURPLE_TYPE_CIPHER (purple_cipher_get_type())
#define PURPLE_CIPHER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), PURPLE_TYPE_CIPHER, PurpleCipher))
#define PURPLE_CIPHER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), PURPLE_TYPE_CIPHER, PurpleCipherClass))
#define PURPLE_IS_CIPHER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), PURPLE_TYPE_CIPHER))
#define PURPLE_IS_CIPHER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), PURPLE_TYPE_CIPHER))
#define PURPLE_CIPHER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), PURPLE_TYPE_CIPHER, PurpleCipherClass))
typedef struct _PurpleCipher PurpleCipher;
typedef struct _PurpleCipherClass PurpleCipherClass;
#define PURPLE_TYPE_HASH (purple_hash_get_type())
#define PURPLE_HASH(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), PURPLE_TYPE_HASH, PurpleHash))
#define PURPLE_HASH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), PURPLE_TYPE_HASH, PurpleHashClass))
#define PURPLE_IS_HASH(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), PURPLE_TYPE_HASH))
#define PURPLE_IS_HASH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), PURPLE_TYPE_HASH))
#define PURPLE_HASH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), PURPLE_TYPE_HASH, PurpleHashClass))
typedef struct _PurpleHash PurpleHash;
typedef struct _PurpleHashClass PurpleHashClass;
/**
* PurpleCipherBatchMode:
* @PURPLE_CIPHER_BATCH_MODE_ECB: Electronic Codebook Mode
* @PURPLE_CIPHER_BATCH_MODE_CBC: Cipher Block Chaining Mode
*
* Modes for batch encrypters
*/
typedef enum {
PURPLE_CIPHER_BATCH_MODE_ECB,
PURPLE_CIPHER_BATCH_MODE_CBC
} PurpleCipherBatchMode;
/**
* PurpleCipher:
*
* Purple Cipher is an opaque data structure and should not be used directly.
*/
struct _PurpleCipher {
GObject gparent;
};
struct _PurpleCipherClass {
GObjectClass parent_class;
/** The reset function */
void (*reset)(PurpleCipher *cipher);
/** The reset state function */
void (*reset_state)(PurpleCipher *cipher);
/** The set initialization vector function */
void (*set_iv)(PurpleCipher *cipher, guchar *iv, size_t len);
/** The append data function */
void (*append)(PurpleCipher *cipher, const guchar *data, size_t len);
/** The digest function */
gboolean (*digest)(PurpleCipher *cipher, guchar digest[], size_t len);
/** The get digest size function */
size_t (*get_digest_size)(PurpleCipher *cipher);
/** The encrypt function */
ssize_t (*encrypt)(PurpleCipher *cipher, const guchar input[], size_t in_len, guchar output[], size_t out_size);
/** The decrypt function */
ssize_t (*decrypt)(PurpleCipher *cipher, const guchar input[], size_t in_len, guchar output[], size_t out_size);
/** The set salt function */
void (*set_salt)(PurpleCipher *cipher, const guchar *salt, size_t len);
/** The set key function */
void (*set_key)(PurpleCipher *cipher, const guchar *key, size_t len);
/** The get key size function */
size_t (*get_key_size)(PurpleCipher *cipher);
/** The set batch mode function */
void (*set_batch_mode)(PurpleCipher *cipher, PurpleCipherBatchMode mode);
/** The get batch mode function */
PurpleCipherBatchMode (*get_batch_mode)(PurpleCipher *cipher);
/** The get block size function */
size_t (*get_block_size)(PurpleCipher *cipher);
/*< private >*/
void (*_purple_reserved1)(void);
void (*_purple_reserved2)(void);
void (*_purple_reserved3)(void);
void (*_purple_reserved4)(void);
};
/**
* PurpleHash:
*
* Purple Hash is an opaque data structure and should not be used directly.
*/
struct _PurpleHash {
GObject gparent;
};
struct _PurpleHashClass {
GObjectClass parent_class;
/** The reset function */
void (*reset)(PurpleHash *hash);
/** The reset state function */
void (*reset_state)(PurpleHash *hash);
/** The append data function */
void (*append)(PurpleHash *hash, const guchar *data, size_t len);
/** The digest function */
gboolean (*digest)(PurpleHash *hash, guchar digest[], size_t len);
/** The get digest size function */
size_t (*get_digest_size)(PurpleHash *hash);
/** The get block size function */
size_t (*get_block_size)(PurpleHash *hash);
/*< private >*/
void (*_purple_reserved1)(void);
void (*_purple_reserved2)(void);
void (*_purple_reserved3)(void);
void (*_purple_reserved4)(void);
};
G_BEGIN_DECLS
/*****************************************************************************/
/* PurpleCipher API */
/*****************************************************************************/
/**
* purple_cipher_get_type:
*
* Returns: The #GType for the Cipher object.
*/
GType purple_cipher_get_type(void);
/**
* purple_cipher_reset:
* @cipher: The cipher
*
* Resets a cipher to it's default value
* Note: If you have set an IV you will have to set it after resetting
*/
void purple_cipher_reset(PurpleCipher *cipher);
/**
* purple_cipher_reset_state:
* @cipher: The cipher
*
* Resets a cipher state to it's default value, but doesn't touch stateless
* configuration.
*
* That means, IV and digest will be wiped out, but keys, ops or salt
* will remain untouched.
*/
void purple_cipher_reset_state(PurpleCipher *cipher);
/**
* purple_cipher_set_iv:
* @cipher: The cipher
* @iv: The initialization vector to set
* @len: The len of the IV
*
* Sets the initialization vector for a cipher
* Note: This should only be called right after a cipher is created or reset
*/
void purple_cipher_set_iv(PurpleCipher *cipher, guchar *iv, size_t len);
/**
* purple_cipher_append:
* @cipher: The cipher
* @data: The data to append
* @len: The length of the data
*
* Appends data to the cipher context
*/
void purple_cipher_append(PurpleCipher *cipher, const guchar *data, size_t len);
/**
* purple_cipher_digest:
* @cipher: The cipher
* @digest: The return buffer for the digest
* @len: The length of the buffer
*
* Digests a cipher context
*/
gboolean purple_cipher_digest(PurpleCipher *cipher, guchar digest[], size_t len);
/**
* purple_cipher_digest_to_str:
* @cipher: The cipher
* @digest_s: The return buffer for the string digest
* @len: The length of the buffer
*
* Converts a guchar digest into a hex string
*/
gboolean purple_cipher_digest_to_str(PurpleCipher *cipher, gchar digest_s[], size_t len);
/**
* purple_cipher_get_digest_size:
* @cipher: The cipher whose digest size to get
*
* Gets the digest size of a cipher
*
* Returns: The digest size of the cipher
*/
size_t purple_cipher_get_digest_size(PurpleCipher *cipher);
/**
* purple_cipher_encrypt:
* @cipher: The cipher
* @input: The data to encrypt
* @in_len: The length of the data
* @output: The output buffer
* @out_size: The size of the output buffer
*
* Encrypts data using the cipher
*
* Returns: A length of data that was outputed or -1, if failed
*/
ssize_t purple_cipher_encrypt(PurpleCipher *cipher, const guchar input[], size_t in_len, guchar output[], size_t out_size);
/**
* purple_cipher_decrypt:
* @cipher: The cipher
* @input: The data to encrypt
* @in_len: The length of the returned value
* @output: The output buffer
* @out_size: The size of the output buffer
*
* Decrypts data using the cipher
*
* Returns: A length of data that was outputed or -1, if failed
*/
ssize_t purple_cipher_decrypt(PurpleCipher *cipher, const guchar input[], size_t in_len, guchar output[], size_t out_size);
/**
* purple_cipher_set_salt:
* @cipher: The cipher whose salt to set
* @salt: The salt
* @len: The length of the salt
*
* Sets the salt on a cipher
*/
void purple_cipher_set_salt(PurpleCipher *cipher, const guchar *salt, size_t len);
/**
* purple_cipher_set_key:
* @cipher: The cipher whose key to set
* @key: The key
* @len: The size of the key
*
* Sets the key on a cipher
*/
void purple_cipher_set_key(PurpleCipher *cipher, const guchar *key, size_t len);
/**
* purple_cipher_get_key_size:
* @cipher: The cipher whose key size to get
*
* Gets the size of the key if the cipher supports it
*
* Returns: The size of the key
*/
size_t purple_cipher_get_key_size(PurpleCipher *cipher);
/**
* purple_cipher_set_batch_mode:
* @cipher: The cipher whose batch mode to set
* @mode: The batch mode under which the cipher should operate
*
* Sets the batch mode of a cipher
*/
void purple_cipher_set_batch_mode(PurpleCipher *cipher, PurpleCipherBatchMode mode);
/**
* purple_cipher_get_batch_mode:
* @cipher: The cipher whose batch mode to get
*
* Gets the batch mode of a cipher
*
* Returns: The batch mode under which the cipher is operating
*/
PurpleCipherBatchMode purple_cipher_get_batch_mode(PurpleCipher *cipher);
/**
* purple_cipher_get_block_size:
* @cipher: The cipher whose block size to get
*
* Gets the block size of a cipher
*
* Returns: The block size of the cipher
*/
size_t purple_cipher_get_block_size(PurpleCipher *cipher);
/*****************************************************************************/
/* PurpleHash API */
/*****************************************************************************/
/**
* purple_hash_get_type:
*
* Returns: The #GType for the Hash object.
*/
GType purple_hash_get_type(void);
/**
* purple_hash_reset:
* @hash: The hash
*
* Resets a hash to it's default value
* Note: If you have set an IV you will have to set it after resetting
*/
void purple_hash_reset(PurpleHash *hash);
/**
* purple_hash_reset_state:
* @hash: The hash
*
* Resets a hash state to it's default value, but doesn't touch stateless
* configuration.
*
* That means, IV and digest will be wiped out, but keys, ops or salt
* will remain untouched.
*/
void purple_hash_reset_state(PurpleHash *hash);
/**
* purple_hash_append:
* @hash: The hash
* @data: The data to append
* @len: The length of the data
*
* Appends data to the hash context
*/
void purple_hash_append(PurpleHash *hash, const guchar *data, size_t len);
/**
* purple_hash_digest:
* @hash: The hash
* @digest: The return buffer for the digest
* @len: The length of the buffer
*
* Digests a hash context
*/
gboolean purple_hash_digest(PurpleHash *hash, guchar digest[], size_t len);
/**
* purple_hash_digest_to_str:
* @hash: The hash
* @digest_s: The return buffer for the string digest
* @len: The length of the buffer
*
* Converts a guchar digest into a hex string
*/
gboolean purple_hash_digest_to_str(PurpleHash *hash, gchar digest_s[], size_t len);
/**
* purple_hash_get_digest_size:
* @hash: The hash whose digest size to get
*
* Gets the digest size of a hash
*
* Returns: The digest size of the hash
*/
size_t purple_hash_get_digest_size(PurpleHash *hash);
/**
* purple_hash_get_block_size:
* @hash: The hash whose block size to get
*
* Gets the block size of a hash
*
* Returns: The block size of the hash
*/
size_t purple_hash_get_block_size(PurpleHash *hash);
G_END_DECLS
#endif /* PURPLE_CIPHER_H */