#include <byteswap.h>

Defines
#define	UINT32_BE(a) bswap_32(get_misalign((unsigned int *)(a)))
#define	UINT16_BE(a) bswap_16(get_misalign((unsigned short *)(a)))
#define	UINT8_BE(a) ((unsigned char )a)
#define	BYTE4_BE(a, b) put_misalign(bswap_32(b),(unsigned int *)(a))
#define	BYTE2_BE(a, b) put_misalign(bswap_16(b),(unsigned short *)(a))
#define	BYTE1_BE(a, b) (unsigned char )(a)=(b)
#define	UINT32_LE(a) get_misalign((unsigned int *)(a))
#define	UINT16_LE(a) get_misalign((unsigned short *)(a))
#define	UINT8_LE(a) ((unsigned char )a)
#define	BYTE4_LE(a, b) put_misalign(b,(unsigned int *)(a))
#define	BYTE2_LE(a, b) put_misalign(b,(unsigned short *)(a))
#define	BYTE1_LE(a, b) (unsigned char )(a)=(b)
#define	__ror16_const(x, xx) ((((x)&0xFFFF)>>(xx)) \| ((x)<<(16-(xx))))
#define	__rol16_const(x, xx) (((x)<<(xx)) \| (((x)&0xFFFF)>>(16-(xx))))
#define	__sn8_const(b) ((((b)>>4)&0xf) + (((b)&0xf)<<4))
#define	ror16(x, xx) __ror16_const(x,xx)
#define	rol16(x, xx) __rol16_const(x,xx)
#define	sn8(b) __sn8_const(b)
#define	xxor(d, l, v1, v2) __xxor(d,l,v1,v2)
Functions
template<class T >
T	get_misalign (T *p)
template<class T >
void	put_misalign (unsigned int v, T *p)
static void	__xxor (unsigned char data, int len, const unsigned char v1, const unsigned char *v2)

Define Documentation

#define __rol16_const	(	x,
		xx
	)	(((x)<<(xx)) \| (((x)&0xFFFF)>>(16-(xx))))

Definition at line 51 of file helper.h.

#define __ror16_const	(	x,
		xx
	)	((((x)&0xFFFF)>>(xx)) \| ((x)<<(16-(xx))))

Definition at line 50 of file helper.h.

#define __sn8_const ( b ) ((((b)>>4)&0xf) + (((b)&0xf)<<4))

Definition at line 52 of file helper.h.

#define BYTE1_BE	(	a,
		b
	)	(unsigned char )(a)=(b)

Definition at line 41 of file helper.h.

#define BYTE1_LE	(	a,
		b
	)	(unsigned char )(a)=(b)

Definition at line 48 of file helper.h.

Referenced by cST20::WriteByte().

#define BYTE2_BE	(	a,
		b
	)	put_misalign(bswap_16(b),(unsigned short *)(a))

Definition at line 40 of file helper.h.

Referenced by cCardClientCCcam2::ProcessECM(), and cCardClientCCcam2::ProcessEMM().

#define BYTE2_LE	(	a,
		b
	)	put_misalign(b,(unsigned short *)(a))

Definition at line 47 of file helper.h.

Referenced by cST20::WriteShort().

#define BYTE4_BE	(	a,
		b
	)	put_misalign(bswap_32(b),(unsigned int *)(a))

Definition at line 39 of file helper.h.

Referenced by cCwDes::CwDes(), cCwDes::CwL2Des(), cCwDes::CwR2Des(), cCamCryptNagra::DecryptDT08(), cDes::Des(), cCardClientCCcam2::ProcessECM(), and cCardClientCCcam2::ProcessEMM().

#define BYTE4_LE	(	a,
		b
	)	put_misalign(b,(unsigned int *)(a))

Definition at line 46 of file helper.h.

Referenced by cST20::WriteWord().

#define rol16	(	x,
		xx
	)	__rol16_const(x,xx)

Definition at line 72 of file helper.h.

Referenced by cSeca::AdditionalAlgo().

#define ror16	(	x,
		xx
	)	__ror16_const(x,xx)

Definition at line 71 of file helper.h.

Referenced by cSeca::AdditionalAlgo().

#define sn8 ( b ) __sn8_const(b)

Definition at line 73 of file helper.h.

Referenced by cN2Prov0101::ReadHandler().

#define UINT16_BE ( a ) bswap_16(get_misalign((unsigned short *)(a)))

Definition at line 37 of file helper.h.

Referenced by cOpenTVModule::Id(), and cSmartCardDataNagra::Parse().

#define UINT16_LE ( a ) get_misalign((unsigned short *)(a))

Definition at line 44 of file helper.h.

Referenced by cST20::ReadShort().

#define UINT32_BE ( a ) bswap_32(get_misalign((unsigned int *)(a)))

Definition at line 36 of file helper.h.

Referenced by cShare::CheckAddProv(), cCwDes::CwDes(), cCwDes::CwL2Des(), cCwDes::CwR2Des(), cDes::Des(), cSmartCardNagra::Init(), cOpenTVModule::Length(), cOpenTVModule::Offset(), and cSmartCardDataNagra::Parse().

#define UINT32_LE ( a ) get_misalign((unsigned int *)(a))

Definition at line 43 of file helper.h.

Referenced by cMap4101::Map(), and cST20::ReadWord().

#define UINT8_BE ( a ) *((unsigned char *)a)

Definition at line 38 of file helper.h.

#define UINT8_LE ( a ) *((unsigned char *)a)

Definition at line 45 of file helper.h.

Referenced by cST20::ReadByte().

#define xxor	(	d,
		l,
		v1,
		v2
	)	__xxor(d,l,v1,v2)

Definition at line 93 of file helper.h.

Referenced by cIrdeto2::CalculateHash(), cNagra2::CreatePQ(), cIrdeto2::Decrypt(), cCryptoworks::DecryptRSA(), cIrdeto2::Encrypt(), cN2Prov::ExpandInput(), main(), cSmartCardDataNagra::Parse(), cSeca2ProvPL::PreCW(), cSystemFakeNDS::ProcessECM(), and cNagraDES::SigCheck().

Function Documentation

static void __xxor	(	unsigned char *	data,
		int	len,
		const unsigned char *	v1,
		const unsigned char *	v2
	)		`[inline, static]`

Definition at line 77 of file helper.h.

{
  switch(len) { // looks ugly, but the compiler can optimize it very well ;)
    case 16:
      *((unsigned int *)data+3) = *((unsigned int *)v1+3) ^ *((unsigned int *)v2+3);
      *((unsigned int *)data+2) = *((unsigned int *)v1+2) ^ *((unsigned int *)v2+2);
    case 8:
      *((unsigned int *)data+1) = *((unsigned int *)v1+1) ^ *((unsigned int *)v2+1);
    case 4:
      *((unsigned int *)data+0) = *((unsigned int *)v1+0) ^ *((unsigned int *)v2+0);
      break;
    default:
      while(len--) *data++ = *v1++ ^ *v2++;
      break;
    }
}

template<class T >

T get_misalign ( T * p ) [inline]

Definition at line 29 of file helper.h.

References __attribute__.

{ struct s { T v; } __attribute__((packed)); return ((s *)p)->v; }

template<class T >

void put_misalign	(	unsigned int	v,
		T *	p
	)		`[inline]`

Definition at line 32 of file helper.h.

References __attribute__.

{ struct s { T v; } __attribute__((packed)); ((s *)p)->v = v; }

helper.h File Reference

Defines

Functions

Define Documentation

Function Documentation