mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-30 09:58:55 +00:00
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2005, Digium, Inc.
|
|
*
|
|
* Mark Spencer <markster@digium.com>
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
* \brief Provide cryptographic signature routines
|
|
*/
|
|
|
|
#ifndef _ASTERISK_CRYPTO_H
|
|
#define _ASTERISK_CRYPTO_H
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define AST_KEY_PUBLIC (1 << 0)
|
|
#define AST_KEY_PRIVATE (1 << 1)
|
|
|
|
struct ast_key;
|
|
|
|
/*! \brief Retrieve a key
|
|
* \param name of the key we are retrieving
|
|
* \param int type of key (AST_KEY_PUBLIC or AST_KEY_PRIVATE)
|
|
*
|
|
* Returns the key on success or NULL on failure
|
|
*/
|
|
extern struct ast_key *(*ast_key_get)(const char *key, int type);
|
|
|
|
/*! \brief Check the authenticity of a message signature using a given public key
|
|
* \param key a public key to use to verify
|
|
* \param msg the message that has been signed
|
|
* \param sig the proposed valid signature in mime64-like encoding
|
|
*
|
|
* Returns 0 if the signature is valid, or -1 otherwise
|
|
*
|
|
*/
|
|
extern int (*ast_check_signature)(struct ast_key *key, const char *msg, const char *sig);
|
|
|
|
/*! \brief Check the authenticity of a message signature using a given public key
|
|
* \param key a public key to use to verify
|
|
* \param msg the message that has been signed
|
|
* \param sig the proposed valid signature in raw binary representation
|
|
*
|
|
* Returns 0 if the signature is valid, or -1 otherwise
|
|
*
|
|
*/
|
|
extern int (*ast_check_signature_bin)(struct ast_key *key, const char *msg, int msglen, const unsigned char *sig);
|
|
|
|
/*!
|
|
* \param key a private key to use to create the signature
|
|
* \param msg the message to sign
|
|
* \param sig a pointer to a buffer of at least 256 bytes in which the
|
|
* mime64-like encoded signature will be stored
|
|
*
|
|
* Returns 0 on success or -1 on failure.
|
|
*
|
|
*/
|
|
extern int (*ast_sign)(struct ast_key *key, char *msg, char *sig);
|
|
|
|
/*!
|
|
* \param key a private key to use to create the signature
|
|
* \param msg the message to sign
|
|
* \param sig a pointer to a buffer of at least 128 bytes in which the
|
|
* raw encoded signature will be stored
|
|
*
|
|
* Returns 0 on success or -1 on failure.
|
|
*
|
|
*/
|
|
extern int (*ast_sign_bin)(struct ast_key *key, const char *msg, int msglen, unsigned char *sig);
|
|
|
|
/*!
|
|
* \param key a private key to use to encrypt
|
|
* \param src the message to encrypt
|
|
* \param srclen the length of the message to encrypt
|
|
* \param dst a pointer to a buffer of at least srclen * 1.5 bytes in which the encrypted
|
|
* answer will be stored
|
|
*
|
|
* Returns length of encrypted data on success or -1 on failure.
|
|
*
|
|
*/
|
|
extern int (*ast_encrypt_bin)(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key);
|
|
|
|
/*!
|
|
* \param key a private key to use to decrypt
|
|
* \param src the message to decrypt
|
|
* \param srclen the length of the message to decrypt
|
|
* \param dst a pointer to a buffer of at least srclen bytes in which the decrypted
|
|
* answer will be stored
|
|
*
|
|
* Returns length of decrypted data on success or -1 on failure.
|
|
*
|
|
*/
|
|
extern int (*ast_decrypt_bin)(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key);
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASTERISK_CRYPTO_H */
|