/*
* libZRTP SDK library, implements the ZRTP secure VoIP protocol.
* Copyright (c) 2006-2009 Philip R. Zimmermann. All rights reserved.
* Contact: http://philzimmermann.com
* For licensing and other legal details, see the file zrtp_legal.c.
*
* Viktor Krykun <v.krikun at zfoneproject.com>
*/
#ifndef __ZRTP_BASE_H__
#define __ZRTP_BASE_H__
#include "zrtp_config.h"
typedef double uint64_t_;
typedef uint8_t zrtp_uchar4_t[4];
typedef uint8_t zrtp_uchar8_t[8];
typedef uint8_t zrtp_uchar12_t[12];
typedef uint8_t zrtp_uchar16_t[16];
typedef uint8_t zrtp_uchar32_t[32];
typedef uint8_t zrtp_uchar64_t[64];
typedef uint8_t zrtp_uchar128_t[128];
typedef uint8_t zrtp_uchar256_t[256];
typedef uint8_t zrtp_uchar1024_t[1024];
typedef uint32_t zrtp_id_t;
typedef struct zrtp_profile_t zrtp_profile_t;
typedef struct zrtp_stream_t zrtp_stream_t;
typedef struct zrtp_session_t zrtp_session_t;
typedef struct zrtp_global_t zrtp_global_t;
typedef struct zrtp_protocol_t zrtp_protocol_t;
typedef struct zrtp_srtp_ctx_t zrtp_srtp_ctx_t;
typedef struct zrtp_shared_secret_t zrtp_shared_secret_t;
typedef struct zrtp_retry_task_t zrtp_retry_task_t;
typedef struct zrtp_hash_t zrtp_hash_t;
typedef struct zrtp_cipher_t zrtp_cipher_t;
typedef struct zrtp_auth_tag_length_t zrtp_auth_tag_length_t;
typedef struct zrtp_pk_scheme_t zrtp_pk_scheme_t;
typedef struct zrtp_sas_scheme_t zrtp_sas_scheme_t;
typedef struct zrtp_sig_scheme_t zrtp_sig_scheme_t;
typedef struct zrtp_mutex_t zrtp_mutex_t;
typedef struct zrtp_sem_t zrtp_sem_t;
typedef struct zrtp_stream_info_t zrtp_stream_info_t;
typedef struct zrtp_session_info_t zrtp_session_info_t;
#include "sha2.h"
#define MD_CTX sha512_ctx
#define MD_Update(a,b,c) sha512_hash((const unsigned char *)(b),c,a)
/**
* \brief Function computing minimum value
*
* This macro returns the lesser of two values. If the numbers are equal, either of them is returned.
*
* \param left - first value for comparison;
* \param right - second value for comparison.
* \return
* - lesser of compared numbers.
*/
#define ZRTP_MIN(left, right) ((left < right) ? left : right)
/*!
* \brief zrtp_htonXX, zrtp_ntohXX - convert values between host and network
* byte order
*
* To avoid ambiguities and difficulties with compilation on various platforms,
* we designed our own swap functions. Byte order detection is based on zrtp_system.h.
*
* On the i80x86 the host byte order is little-endian (least significant byte
* first), whereas the network byte order, as used on the Internet, is
* big-endian (most significant byte first).
*/
uint16_t zrtp_swap16(uint16_t x);
uint32_t zrtp_swap32(uint32_t x);
uint64_t zrtp_swap64(uint64_t x);
#if ZRTP_BYTE_ORDER == ZBO_BIG_ENDIAN
/*! Converts 16 bit unsigned integer to network byte order */
#define zrtp_hton16(x) (x)
/*! Converts 32 bit unsigned integer to network byte order */
#define zrtp_hton32(x) (x)
/*! Converts 64 bit unsigned integer to network byte order */
#define zrtp_hton64(x) (x)
/*! Converts 16 bit unsigned integer to host byte order */
#define zrtp_ntoh16(x) (x)
/*! Converts 32 bit unsigned integer to host byte order */
#define zrtp_ntoh32(x) (x)
/*! Converts 64 bit unsigned integer to host byte order */
#define zrtp_ntoh64(x) (x)
#else /* ZBO_BIG_ENDIAN */
/*! Converts 16 bit unsigned integer to network byte order */
#define zrtp_hton16(x) (zrtp_swap16(x))
/*! Converts 32 bit unsigned integer to network byte order */
#define zrtp_hton32(x) (zrtp_swap32(x))
/*! Converts 64 bit unsigned integer to network byte order */
#define zrtp_hton64(x) (zrtp_swap64(x))
/*! Converts 16 bit unsigned integer to host byte order */
#define zrtp_ntoh16(x) (zrtp_swap16(x))
/*! Converts 32 bit unsigned integer to host byte order */
#define zrtp_ntoh32(x) (zrtp_swap32(x))
/*! Converts 64 bit unsigned integer to host byte order */
#define zrtp_ntoh64(x) (zrtp_swap64(x))
#endif
/*
* 128 and 256-bit structures used in Ciphers and SRTP module
*/
typedef union
{
uint8_t v8[16];
uint16_t v16[8];
uint32_t v32[4];
uint64_t v64[2];
} zrtp_v128_t;
typedef union
{
uint8_t v8[32];
uint16_t v16[16];
uint32_t v32[8];
uint64_t v64[4];
} zrtp_v256_t;
/*
* The following macros define the data manipulation functions.
*
* If DATATYPES_USE_MACROS is defined, then these macros are used directly (and
* function-call overhead is avoided). Otherwise, the macros are used through
* the functions defined in datatypes.c (and the compiler provides better
* warnings).
*/
#define _zrtp_v128_xor(z, x, y) \
( \
(z)->v32[0] = (x)->v32[0] ^ (y)->v32[0], \
(z)->v32[1] = (x)->v32[1] ^ (y)->v32[1], \
(z)->v32[2] = (x)->v32[2] ^ (y)->v32[2], \
(z)->v32[3] = (x)->v32[3] ^ (y)->v32[3] \
)
#define _zrtp_v128_get_bit(x, bit) \
( \
( (((x)->v32[(bit) >> 5]) >> ((bit) & 31)) & 1) \
)
#define zrtp_bitmap_get_bit(x, bit) \
( \
( (((x)[(bit) >> 3]) >> ((bit) & 7) ) & 1) \
)
#define zrtp_bitmap_set_bit(x, bit) \
( \
( (((x)[(bit) >> 3])) |= ((uint8_t)1 << ((bit) & 7)) ) \
)
#define zrtp_bitmap_clear_bit(x, bit) \
( \
( (((x)[(bit) >> 3])) &= ~((uint8_t)1 << ((bit) & 7)) ) \
)
void zrtp_bitmap_left_shift(uint8_t *x, int width_bytes, int index);
void zrtp_v128_xor(zrtp_v128_t *z, zrtp_v128_t *x, zrtp_v128_t *y);
//WIN64 {
#if (ZRTP_PLATFORM == ZP_WIN32_KERNEL)
#ifdef WIN64 // For 64-bit apps
unsigned __int64 __rdtsc(void);
#pragma intrinsic(__rdtsc)
#define _RDTSC __rdtsc
#else // For 32-bit apps
#define _RDTSC_STACK(ts) \
__asm rdtsc \
__asm mov DWORD PTR [ts], eax \
__asm mov DWORD PTR [ts+4], edx
__inline unsigned __int64 _inl_rdtsc32() {
unsigned __int64 t;
_RDTSC_STACK(t);
return t;
}
#define _RDTSC _inl_rdtsc32
#endif
#endif
//WIN64 }
#endif /*__ZRTP_BASE_H__*/