mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
c5e067fb0b
fix https://github.com/ossrs/srs/issues/3155 Build srt-1-fit fails with `standard attributes in middle of decl-specifiers` on GCC 12,Arch Linux. See https://github.com/Haivision/srt/releases/tag/v1.5.3
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/*
|
|
* SRT - Secure, Reliable, Transport
|
|
* Copyright (c) 2018 Haivision Systems Inc.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
*/
|
|
|
|
|
|
/*****************************************************************************
|
|
written by
|
|
Haivision Systems Inc.
|
|
|
|
2011-06-23 (jdube)
|
|
HaiCrypt initial implementation.
|
|
2014-03-11 (jdube)
|
|
Adaptation for SRT.
|
|
*****************************************************************************/
|
|
|
|
#ifndef HCRYPT_CTX_H
|
|
#define HCRYPT_CTX_H
|
|
|
|
#include <stdbool.h>
|
|
#include <sys/types.h>
|
|
#include "hcrypt.h"
|
|
|
|
#if !defined(HAISRT_VERSION_INT)
|
|
#include "haicrypt.h"
|
|
#include "hcrypt_msg.h"
|
|
#else
|
|
// Included by haisrt.h or similar
|
|
#include "haisrt/haicrypt.h"
|
|
#include "haisrt/hcrypt_msg.h"
|
|
#endif
|
|
|
|
typedef struct {
|
|
unsigned char *pfx; //Prefix described by transport msg info (in ctx)
|
|
unsigned char *payload;
|
|
size_t len; //Payload size
|
|
}hcrypt_DataDesc;
|
|
|
|
|
|
typedef struct tag_hcrypt_Ctx {
|
|
struct tag_hcrypt_Ctx * alt; /* Alternative ctx (even/odd) */
|
|
|
|
#define HCRYPT_CTX_F_MSG 0x00FF /* Aligned with message header flags */
|
|
#define HCRYPT_CTX_F_eSEK HCRYPT_MSG_F_eSEK
|
|
#define HCRYPT_CTX_F_oSEK HCRYPT_MSG_F_oSEK
|
|
#define HCRYPT_CTX_F_xSEK HCRYPT_MSG_F_xSEK
|
|
|
|
#define HCRYPT_CTX_F_ENCRYPT 0x0100 /* 0:decrypt 1:encrypt */
|
|
#define HCRYPT_CTX_F_ANNOUNCE 0x0200 /* Announce KM */
|
|
#define HCRYPT_CTX_F_TTSEND 0x0400 /* time to send */
|
|
unsigned flags;
|
|
#define hcryptCtx_GetKeyFlags(ctx) ((ctx)->flags & HCRYPT_CTX_F_xSEK)
|
|
#define hcryptCtx_GetKeyIndex(ctx) (((ctx)->flags & HCRYPT_CTX_F_xSEK)>>1)
|
|
|
|
#define HCRYPT_CTX_S_INIT 1
|
|
#define HCRYPT_CTX_S_SARDY 2 /* Security Association (KEK) ready */
|
|
#define HCRYPT_CTX_S_KEYED 3 /* Media Stream Encrypting Key (SEK) ready */
|
|
#define HCRYPT_CTX_S_ACTIVE 4 /* Announced and in use */
|
|
#define HCRYPT_CTX_S_DEPRECATED 5 /* Still announced but no longer used */
|
|
unsigned status;
|
|
|
|
#define HCRYPT_CTX_MODE_CLRTXT 0 /* NULL cipher (for tests) */
|
|
#define HCRYPT_CTX_MODE_AESECB 1 /* Electronic Code Book mode */
|
|
#define HCRYPT_CTX_MODE_AESCTR 2 /* Counter mode */
|
|
#define HCRYPT_CTX_MODE_AESCBC 3 /* Cipher-block chaining mode */
|
|
#define HCRYPT_CTX_MODE_AESGCM 4 /* AES GCM authenticated encryption */
|
|
unsigned mode;
|
|
|
|
struct {
|
|
size_t key_len;
|
|
size_t pwd_len;
|
|
char pwd[HAICRYPT_PWD_MAX_SZ];
|
|
} cfg;
|
|
|
|
size_t salt_len;
|
|
unsigned char salt[HAICRYPT_SALT_SZ];
|
|
|
|
size_t sek_len;
|
|
unsigned char sek[HAICRYPT_KEY_MAX_SZ];
|
|
|
|
hcrypt_MsgInfo * msg_info; /* Transport message handler */
|
|
unsigned pkt_cnt; /* Key usage counter */
|
|
|
|
#define HCRYPT_CTX_MAX_KM_PFX_SZ 16
|
|
size_t KMmsg_len;
|
|
unsigned char KMmsg_cache[HCRYPT_CTX_MAX_KM_PFX_SZ + HCRYPT_MSG_KM_MAX_SZ];
|
|
|
|
#define HCRYPT_CTX_MAX_MS_PFX_SZ 16
|
|
unsigned char MSpfx_cache[HCRYPT_CTX_MAX_MS_PFX_SZ];
|
|
} hcrypt_Ctx;
|
|
|
|
|
|
#endif /* HCRYPT_CTX_H */
|