csa.c File Reference

Include dependency graph for csa.c:


Data Structures

struct  csa_t

Functions

static void csa_ComputeKey (uint8_t kk[57], uint8_t ck[8])
static void csa_StreamCypher (csa_t *c, int b_init, uint8_t *ck, uint8_t *sb, uint8_t *cb)
static void csa_BlockDecypher (uint8_t kk[57], uint8_t ib[8], uint8_t bd[8])
static void csa_BlockCypher (uint8_t kk[57], uint8_t bd[8], uint8_t ib[8])
csa_t * __csa_New (void)
void __csa_Delete (csa_t *c)
int __csa_SetCW (vlc_object_t *p_caller, csa_t *c, char *psz_ck, bool set_odd)
int __csa_UseKey (vlc_object_t *p_caller, csa_t *c, bool use_odd)
void __csa_decrypt (csa_t *c, uint8_t *pkt, int i_pkt_size)
void __csa_encrypt (csa_t *c, uint8_t *pkt, int i_pkt_size)

Variables

static const uint8_t key_perm [0x40]
static const int sbox1 [0x20] = {2,0,1,1,2,3,3,0, 3,2,2,0,1,1,0,3, 0,3,3,0,2,2,1,1, 2,2,0,3,1,1,3,0}
static const int sbox2 [0x20] = {3,1,0,2,2,3,3,0, 1,3,2,1,0,0,1,2, 3,1,0,3,3,2,0,2, 0,0,1,2,2,1,3,1}
static const int sbox3 [0x20] = {2,0,1,2,2,3,3,1, 1,1,0,3,3,0,2,0, 1,3,0,1,3,0,2,2, 2,0,1,2,0,3,3,1}
static const int sbox4 [0x20] = {3,1,2,3,0,2,1,2, 1,2,0,1,3,0,0,3, 1,0,3,1,2,3,0,3, 0,3,2,0,1,2,2,1}
static const int sbox5 [0x20] = {2,0,0,1,3,2,3,2, 0,1,3,3,1,0,2,1, 2,3,2,0,0,3,1,1, 1,0,3,2,3,1,0,2}
static const int sbox6 [0x20] = {0,1,2,3,1,2,2,0, 0,1,3,0,2,3,1,3, 2,3,0,2,3,0,1,1, 2,1,1,2,0,3,3,0}
static const int sbox7 [0x20] = {0,3,2,2,3,0,0,1, 3,0,1,3,1,2,2,1, 1,0,3,3,0,1,1,2, 2,3,1,0,2,3,0,2}
static const uint8_t block_sbox [256]
static const uint8_t block_perm [256]

Function Documentation

void __csa_decrypt ( csa_t *  c,
uint8_t *  pkt,
int  i_pkt_size 
)

References csa_BlockDecypher(), csa_StreamCypher(), csa_t::e_ck, csa_t::e_kk, i, csa_t::o_ck, and csa_t::o_kk.

void __csa_Delete ( csa_t *  c  ) 

void __csa_encrypt ( csa_t *  c,
uint8_t *  pkt,
int  i_pkt_size 
)

References csa_BlockCypher(), csa_StreamCypher(), csa_t::e_ck, csa_t::e_kk, i, csa_t::o_ck, csa_t::o_kk, and csa_t::use_odd.

csa_t* __csa_New ( void   ) 

int __csa_SetCW ( vlc_object_t *  p_caller,
csa_t *  c,
char *  psz_ck,
bool  set_odd 
)

References csa_ComputeKey(), csa_t::e_ck, csa_t::e_kk, i, msg_Dbg, msg_Warn, csa_t::o_ck, csa_t::o_kk, VLC_EBADVAR, VLC_ENOOBJ, and VLC_SUCCESS.

int __csa_UseKey ( vlc_object_t *  p_caller,
csa_t *  c,
bool  use_odd 
)

References msg_Dbg, csa_t::use_odd, VLC_ENOOBJ, and VLC_SUCCESS.

static void csa_BlockCypher ( uint8_t  kk[57],
uint8_t  bd[8],
uint8_t  ib[8] 
) [static]

References block_perm, block_sbox, i, and R.

Referenced by __csa_encrypt().

static void csa_BlockDecypher ( uint8_t  kk[57],
uint8_t  ib[8],
uint8_t  bd[8] 
) [static]

References block_perm, block_sbox, i, and R.

Referenced by __csa_decrypt().

static void csa_ComputeKey ( uint8_t  kk[57],
uint8_t  ck[8] 
) [static]

References i, and key_perm.

Referenced by __csa_SetCW().

static void csa_StreamCypher ( csa_t *  c,
int  b_init,
uint8_t *  ck,
uint8_t *  sb,
uint8_t *  cb 
) [static]

References csa_t::A, csa_t::B, csa_t::D, csa_t::E, csa_t::F, i, csa_t::p, csa_t::q, csa_t::r, sbox1, sbox2, sbox3, sbox4, sbox5, sbox6, sbox7, csa_t::X, csa_t::Y, and csa_t::Z.

Referenced by __csa_decrypt(), and __csa_encrypt().

Variable Documentation

const uint8_t block_perm[256] [static]

Initial value:

{
    0x00,0x02,0x80,0x82,0x20,0x22,0xA0,0xA2, 0x10,0x12,0x90,0x92,0x30,0x32,0xB0,0xB2,
    0x04,0x06,0x84,0x86,0x24,0x26,0xA4,0xA6, 0x14,0x16,0x94,0x96,0x34,0x36,0xB4,0xB6,
    0x40,0x42,0xC0,0xC2,0x60,0x62,0xE0,0xE2, 0x50,0x52,0xD0,0xD2,0x70,0x72,0xF0,0xF2,
    0x44,0x46,0xC4,0xC6,0x64,0x66,0xE4,0xE6, 0x54,0x56,0xD4,0xD6,0x74,0x76,0xF4,0xF6,
    0x01,0x03,0x81,0x83,0x21,0x23,0xA1,0xA3, 0x11,0x13,0x91,0x93,0x31,0x33,0xB1,0xB3,
    0x05,0x07,0x85,0x87,0x25,0x27,0xA5,0xA7, 0x15,0x17,0x95,0x97,0x35,0x37,0xB5,0xB7,
    0x41,0x43,0xC1,0xC3,0x61,0x63,0xE1,0xE3, 0x51,0x53,0xD1,0xD3,0x71,0x73,0xF1,0xF3,
    0x45,0x47,0xC5,0xC7,0x65,0x67,0xE5,0xE7, 0x55,0x57,0xD5,0xD7,0x75,0x77,0xF5,0xF7,

    0x08,0x0A,0x88,0x8A,0x28,0x2A,0xA8,0xAA, 0x18,0x1A,0x98,0x9A,0x38,0x3A,0xB8,0xBA,
    0x0C,0x0E,0x8C,0x8E,0x2C,0x2E,0xAC,0xAE, 0x1C,0x1E,0x9C,0x9E,0x3C,0x3E,0xBC,0xBE,
    0x48,0x4A,0xC8,0xCA,0x68,0x6A,0xE8,0xEA, 0x58,0x5A,0xD8,0xDA,0x78,0x7A,0xF8,0xFA,
    0x4C,0x4E,0xCC,0xCE,0x6C,0x6E,0xEC,0xEE, 0x5C,0x5E,0xDC,0xDE,0x7C,0x7E,0xFC,0xFE,
    0x09,0x0B,0x89,0x8B,0x29,0x2B,0xA9,0xAB, 0x19,0x1B,0x99,0x9B,0x39,0x3B,0xB9,0xBB,
    0x0D,0x0F,0x8D,0x8F,0x2D,0x2F,0xAD,0xAF, 0x1D,0x1F,0x9D,0x9F,0x3D,0x3F,0xBD,0xBF,
    0x49,0x4B,0xC9,0xCB,0x69,0x6B,0xE9,0xEB, 0x59,0x5B,0xD9,0xDB,0x79,0x7B,0xF9,0xFB,
    0x4D,0x4F,0xCD,0xCF,0x6D,0x6F,0xED,0xEF, 0x5D,0x5F,0xDD,0xDF,0x7D,0x7F,0xFD,0xFF,
}

Referenced by csa_BlockCypher(), and csa_BlockDecypher().

const uint8_t block_sbox[256] [static]

Initial value:

{
    0x3A,0xEA,0x68,0xFE,0x33,0xE9,0x88,0x1A,0x83,0xCF,0xE1,0x7F,0xBA,0xE2,0x38,0x12,
    0xE8,0x27,0x61,0x95,0x0C,0x36,0xE5,0x70,0xA2,0x06,0x82,0x7C,0x17,0xA3,0x26,0x49,
    0xBE,0x7A,0x6D,0x47,0xC1,0x51,0x8F,0xF3,0xCC,0x5B,0x67,0xBD,0xCD,0x18,0x08,0xC9,
    0xFF,0x69,0xEF,0x03,0x4E,0x48,0x4A,0x84,0x3F,0xB4,0x10,0x04,0xDC,0xF5,0x5C,0xC6,
    0x16,0xAB,0xAC,0x4C,0xF1,0x6A,0x2F,0x3C,0x3B,0xD4,0xD5,0x94,0xD0,0xC4,0x63,0x62,
    0x71,0xA1,0xF9,0x4F,0x2E,0xAA,0xC5,0x56,0xE3,0x39,0x93,0xCE,0x65,0x64,0xE4,0x58,
    0x6C,0x19,0x42,0x79,0xDD,0xEE,0x96,0xF6,0x8A,0xEC,0x1E,0x85,0x53,0x45,0xDE,0xBB,
    0x7E,0x0A,0x9A,0x13,0x2A,0x9D,0xC2,0x5E,0x5A,0x1F,0x32,0x35,0x9C,0xA8,0x73,0x30,

    0x29,0x3D,0xE7,0x92,0x87,0x1B,0x2B,0x4B,0xA5,0x57,0x97,0x40,0x15,0xE6,0xBC,0x0E,
    0xEB,0xC3,0x34,0x2D,0xB8,0x44,0x25,0xA4,0x1C,0xC7,0x23,0xED,0x90,0x6E,0x50,0x00,
    0x99,0x9E,0x4D,0xD9,0xDA,0x8D,0x6F,0x5F,0x3E,0xD7,0x21,0x74,0x86,0xDF,0x6B,0x05,
    0x8E,0x5D,0x37,0x11,0xD2,0x28,0x75,0xD6,0xA7,0x77,0x24,0xBF,0xF0,0xB0,0x02,0xB7,
    0xF8,0xFC,0x81,0x09,0xB1,0x01,0x76,0x91,0x7D,0x0F,0xC8,0xA0,0xF2,0xCB,0x78,0x60,
    0xD1,0xF7,0xE0,0xB5,0x98,0x22,0xB3,0x20,0x1D,0xA6,0xDB,0x7B,0x59,0x9F,0xAE,0x31,
    0xFB,0xD3,0xB6,0xCA,0x43,0x72,0x07,0xF4,0xD8,0x41,0x14,0x55,0x0D,0x54,0x8B,0xB9,
    0xAD,0x46,0x0B,0xAF,0x80,0x52,0x2C,0xFA,0x8C,0x89,0x66,0xFD,0xB2,0xA9,0x9B,0xC0,
}

Referenced by csa_BlockCypher(), and csa_BlockDecypher().

const uint8_t key_perm[0x40] [static]

Initial value:

{
    0x12,0x24,0x09,0x07,0x2A,0x31,0x1D,0x15,0x1C,0x36,0x3E,0x32,0x13,0x21,0x3B,0x40,
    0x18,0x14,0x25,0x27,0x02,0x35,0x1B,0x01,0x22,0x04,0x0D,0x0E,0x39,0x28,0x1A,0x29,
    0x33,0x23,0x34,0x0C,0x16,0x30,0x1E,0x3A,0x2D,0x1F,0x08,0x19,0x17,0x2F,0x3D,0x11,
    0x3C,0x05,0x38,0x2B,0x0B,0x06,0x0A,0x2C,0x20,0x3F,0x2E,0x0F,0x03,0x26,0x10,0x37,
}

Referenced by csa_ComputeKey().

const int sbox1[0x20] = {2,0,1,1,2,3,3,0, 3,2,2,0,1,1,0,3, 0,3,3,0,2,2,1,1, 2,2,0,3,1,1,3,0} [static]

Referenced by csa_StreamCypher().

const int sbox2[0x20] = {3,1,0,2,2,3,3,0, 1,3,2,1,0,0,1,2, 3,1,0,3,3,2,0,2, 0,0,1,2,2,1,3,1} [static]

Referenced by csa_StreamCypher().

const int sbox3[0x20] = {2,0,1,2,2,3,3,1, 1,1,0,3,3,0,2,0, 1,3,0,1,3,0,2,2, 2,0,1,2,0,3,3,1} [static]

Referenced by csa_StreamCypher().

const int sbox4[0x20] = {3,1,2,3,0,2,1,2, 1,2,0,1,3,0,0,3, 1,0,3,1,2,3,0,3, 0,3,2,0,1,2,2,1} [static]

Referenced by csa_StreamCypher().

const int sbox5[0x20] = {2,0,0,1,3,2,3,2, 0,1,3,3,1,0,2,1, 2,3,2,0,0,3,1,1, 1,0,3,2,3,1,0,2} [static]

Referenced by csa_StreamCypher().

const int sbox6[0x20] = {0,1,2,3,1,2,2,0, 0,1,3,0,2,3,1,3, 2,3,0,2,3,0,1,1, 2,1,1,2,0,3,3,0} [static]

Referenced by csa_StreamCypher().

const int sbox7[0x20] = {0,3,2,2,3,0,0,1, 3,0,1,3,1,2,2,1, 1,0,3,3,0,1,1,2, 2,3,1,0,2,3,0,2} [static]

Referenced by csa_StreamCypher().

Generated on Mon Mar 15 08:06:04 2010 for VLC by  doxygen 1.5.6