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SRT: Build SRT from source by SRS. 4.0.115
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hondaxiao
winlin
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115 changed files with 44513 additions and 19 deletions
169
trunk/3rdparty/srt-1-fit/haicrypt/hcrypt.h
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169
trunk/3rdparty/srt-1-fit/haicrypt/hcrypt.h
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/*
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* SRT - Secure, Reliable, Transport
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* Copyright (c) 2018 Haivision Systems Inc.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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*/
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/*****************************************************************************
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written by
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Haivision Systems Inc.
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2011-06-23 (jdube)
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HaiCrypt initial implementation.
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2014-03-11 (jdube)
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Adaptation for SRT.
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2014-03-26 (jsantiago)
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OS-X Build.
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2014-03-27 (jdube)
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Remove dependency on internal Crypto API.
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2016-07-22 (jsantiago)
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MINGW-W64 Build.
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*****************************************************************************/
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#ifndef HCRYPT_H
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#define HCRYPT_H
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#include <sys/types.h>
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#ifdef _WIN32
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#if defined(_MSC_VER)
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#pragma warning(disable:4267)
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#pragma warning(disable:4018)
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#endif
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#else
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#include <sys/time.h>
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#endif
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#ifdef __GNUC__
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#define ATR_UNUSED __attribute__((unused))
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#else
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#define ATR_UNUSED
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#endif
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#include "haicrypt.h"
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#include "hcrypt_msg.h"
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#include "hcrypt_ctx.h"
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#include "cryspr.h"
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//#define HCRYPT_DEV 1 /* Development: should not be defined in committed code */
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#ifdef HAICRYPT_SUPPORT_CRYPTO_API
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/* See CRYPTOFEC_OBJECT in session structure */
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#define CRYPTO_API_SERVER 1 /* Enable handler's structures */
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#include "crypto_api.h"
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#endif /* HAICRYPT_SUPPORT_CRYPTO_API */
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typedef struct hcrypt_Session_str {
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#ifdef HAICRYPT_SUPPORT_CRYPTO_API
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/*
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* Resv matches internal upper layer handle (crypto_api)
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* They are not used in HaiCrypt.
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* This make 3 layers using the same handle.
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* To get rid of this dependency for a portable HaiCrypt,
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* revise caller (crypto_hc.c) to allocate its own buffer.
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*/
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CRYPTOFEC_OBJECT resv; /* See above comment */
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#endif /* HAICRYPT_SUPPORT_CRYPTO_API */
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hcrypt_Ctx ctx_pair[2]; /* Even(0)/Odd(1) crypto contexts */
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hcrypt_Ctx * ctx; /* Current context */
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CRYSPR_methods * cryspr;
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CRYSPR_cb * cryspr_cb;
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unsigned char * inbuf; /* allocated if cipher has no getinbuf() func */
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size_t inbuf_siz;
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int se; /* Stream Encapsulation (HCRYPT_SE_xxx) */
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hcrypt_MsgInfo * msg_info;
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struct {
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size_t data_max_len;
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}cfg;
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struct {
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struct timeval tx_period; /* Keying Material tx period (milliseconds) */
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struct timeval tx_last; /* Keying Material last tx time */
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unsigned int refresh_rate; /* SEK use period */
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unsigned int pre_announce; /* Pre/Post next/old SEK announce */
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}km;
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} hcrypt_Session;
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#if ENABLE_HAICRYPT_LOGGING
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#include "haicrypt_log.h"
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#else
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#define HCRYPT_LOG_INIT()
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#define HCRYPT_LOG_EXIT()
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#define HCRYPT_LOG(lvl, fmt, ...)
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#endif
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#ifdef HCRYPT_DEV
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#define HCRYPT_PRINTKEY(key, len, tag) HCRYPT_LOG(LOG_DEBUG, \
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"%s[%d]=0x%02x%02x..%02x%02x\n", tag, len, \
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(key)[0], (key)[1], (key)[(len)-2], (key)[(len)-1])
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#else /* HCRYPT_DEV */
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#define HCRYPT_PRINTKEY(key,len,tag)
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#endif /* HCRYPT_DEV */
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#ifndef ASSERT
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#include <assert.h>
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#define ASSERT(c) assert(c)
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#endif
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/* HaiCrypt-TP CTR mode IV (128-bit):
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* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
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* | 0s | pki | ctr |
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* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
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* XOR
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* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+
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* | nonce +
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* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+
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*
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* pki (32-bit): packet index
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* ctr (16-bit): block counter
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* nonce (112-bit): number used once (salt)
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*/
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#define hcrypt_SetCtrIV(pki, nonce, iv) do { \
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memset(&(iv)[0], 0, 128/8); \
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memcpy(&(iv)[10], (pki), HCRYPT_PKI_SZ); \
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hcrypt_XorStream(&(iv)[0], (nonce), 112/8); \
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} while(0)
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#define hcrypt_XorStream(dst, strm, len) do { \
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int __XORSTREAMi; \
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for (__XORSTREAMi = 0 \
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;__XORSTREAMi < (int)(len) \
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;__XORSTREAMi += 1) { \
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(dst)[__XORSTREAMi] ^= (strm)[__XORSTREAMi]; \
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} \
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} while(0)
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int hcryptCtx_SetSecret(hcrypt_Session *crypto, hcrypt_Ctx *ctx, const HaiCrypt_Secret *secret);
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int hcryptCtx_GenSecret(hcrypt_Session *crypto, hcrypt_Ctx *ctx);
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int hcryptCtx_Tx_Init(hcrypt_Session *crypto, hcrypt_Ctx *ctx, const HaiCrypt_Cfg *cfg);
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int hcryptCtx_Tx_Rekey(hcrypt_Session *crypto, hcrypt_Ctx *ctx);
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int hcryptCtx_Tx_CloneKey(hcrypt_Session *crypto, hcrypt_Ctx *ctx, const hcrypt_Session* cryptoSrc);
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int hcryptCtx_Tx_Refresh(hcrypt_Session *crypto);
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int hcryptCtx_Tx_PreSwitch(hcrypt_Session *crypto);
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int hcryptCtx_Tx_Switch(hcrypt_Session *crypto);
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int hcryptCtx_Tx_PostSwitch(hcrypt_Session *crypto);
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int hcryptCtx_Tx_AsmKM(hcrypt_Session *crypto, hcrypt_Ctx *ctx, unsigned char *alt_sek);
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int hcryptCtx_Tx_ManageKM(hcrypt_Session *crypto);
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int hcryptCtx_Tx_InjectKM(hcrypt_Session *crypto, void *out_p[], size_t out_len_p[], int maxout);
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int hcryptCtx_Rx_Init(hcrypt_Session *crypto, hcrypt_Ctx *ctx, const HaiCrypt_Cfg *cfg);
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int hcryptCtx_Rx_ParseKM(hcrypt_Session *crypto, unsigned char *msg, size_t msg_len);
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#endif /* HCRYPT_H */
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