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C++ LOAD32H函数代码示例

本文整理汇总了C++中LOAD32H函数的典型用法代码示例。如果您正苦于以下问题：C++ LOAD32H函数的具体用法？C++ LOAD32H怎么用？C++ LOAD32H使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了LOAD32H函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: blowfish_ecb_encrypt

int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
#endif
{
   ulong32 L, R;
   int r;
#ifndef __GNUC__
   ulong32 *S1, *S2, *S3, *S4;
#endif

    LTC_ARGCHK(pt   != NULL);
    LTC_ARGCHK(ct   != NULL);
    LTC_ARGCHK(skey != NULL);

#ifndef __GNUC__
    S1 = skey->blowfish.S[0];
    S2 = skey->blowfish.S[1];
    S3 = skey->blowfish.S[2];
    S4 = skey->blowfish.S[3];
#endif

   /* load it */
   LOAD32H(L, &pt[0]);
   LOAD32H(R, &pt[4]);

   /* do 16 rounds */
   for (r = 0; r < 16; ) {
      L ^= skey->blowfish.K[r++];  R ^= F(L);
      R ^= skey->blowfish.K[r++];  L ^= F(R);
      L ^= skey->blowfish.K[r++];  R ^= F(L);
      R ^= skey->blowfish.K[r++];  L ^= F(R);
   }

   /* last keying */
   R ^= skey->blowfish.K[17];
   L ^= skey->blowfish.K[16];

   /* store */
   STORE32H(R, &ct[0]);
   STORE32H(L, &ct[4]);

   return CRYPT_OK;
}
开发者ID:jamesyan84，项目名称:mt36k_android_4.0.4，代码行数:42，代码来源:blowfish.c

示例2: LOAD32H

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//  TransformFunction
//
//  Compress 512-bits
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static
void
    TransformFunction
    (
        Sha256Context*      Context,
        uint8_t*            Buffer
    )
{
    uint32_t    S[8];
    uint32_t    W[64];
    uint32_t    t0;
    uint32_t    t1;
    uint32_t    t;
    int         i;

    // Copy state into S
    for( i=0; i<8; i++ )
    {
        S[i] = Context->state[i];
    }

    // Copy the state into 512-bits into W[0..15]
    for( i=0; i<16; i++ )
    {
        LOAD32H( W[i], Buffer + (4*i) );
    }

    // Fill W[16..63]
    for( i=16; i<64; i++ )
    {
        W[i] = Gamma1( W[i-2]) + W[i-7] + Gamma0( W[i-15] ) + W[i-16];
    }

    // Compress
    for( i=0; i<64; i++ )
    {
        Sha256Round( S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i );
        t = S[7];
        S[7] = S[6];
        S[6] = S[5];
        S[5] = S[4];
        S[4] = S[3];
        S[3] = S[2];
        S[2] = S[1];
        S[1] = S[0];
        S[0] = t;
    }

    // Feedback
    for( i=0; i<8; i++ )
    {
        Context->state[i] = Context->state[i] + S[i];
    }
}
开发者ID:Anti-weakpasswords，项目名称:PBKDF2-GCC-WaterJuiceCryptLib-source-A，代码行数:59，代码来源:LibSha256.c

示例3: blowfish_ecb_decrypt

INT blowfish_ecb_decrypt(const UCHAR *ct, UCHAR *pt, symmetric_key *skey)
#endif
{
   ULONG L, R;
   INT r;
#ifndef __GNUC__
   ULONG *S1, *S2, *S3, *S4;
#endif

    LTC_ARGCHK(pt   != NULL);
    LTC_ARGCHK(ct   != NULL);
    LTC_ARGCHK(skey != NULL);
    
#ifndef __GNUC__
    S1 = skey->blowfish.S[0];
    S2 = skey->blowfish.S[1];
    S3 = skey->blowfish.S[2];
    S4 = skey->blowfish.S[3];
#endif

   /* load it */
   LOAD32H(R, &ct[0]);
   LOAD32H(L, &ct[4]);

   /* undo last keying */
   R ^= skey->blowfish.K[17];
   L ^= skey->blowfish.K[16];

   /* do 16 rounds */
   for (r = 15; r > 0; ) {
      L ^= F(R); R ^= skey->blowfish.K[r--];
      R ^= F(L); L ^= skey->blowfish.K[r--];
      L ^= F(R); R ^= skey->blowfish.K[r--];
      R ^= F(L); L ^= skey->blowfish.K[r--];
   }

   /* store */
   STORE32H(L, &pt[0]);
   STORE32H(R, &pt[4]);
   return CRYPT_OK;
}
开发者ID:capturePointer，项目名称:encdisk，代码行数:41，代码来源:blowfish.c

示例4: blowfish_ecb_decrypt

void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key)
#endif
{
   ulong32 L, R;
   int r;
#ifndef __GNUC__
   ulong32 *S1, *S2, *S3, *S4;
#endif

    _ARGCHK(pt != NULL);
    _ARGCHK(ct != NULL);
    _ARGCHK(key != NULL);
    
#ifndef __GNUC__
    S1 = key->blowfish.S[0];
    S2 = key->blowfish.S[1];
    S3 = key->blowfish.S[2];
    S4 = key->blowfish.S[3];
#endif

   /* load it */
   LOAD32H(R, &ct[0]);
   LOAD32H(L, &ct[4]);

   /* undo last keying */
   R ^= key->blowfish.K[17];
   L ^= key->blowfish.K[16];

   /* do 16 rounds */
   for (r = 15; r > 0; ) {
      L ^= F(R); R ^= key->blowfish.K[r--];
      R ^= F(L); L ^= key->blowfish.K[r--];
      L ^= F(R); R ^= key->blowfish.K[r--];
      R ^= F(L); L ^= key->blowfish.K[r--];
   }

   /* store */
   STORE32H(L, &pt[0]);
   STORE32H(R, &pt[4]);
}
开发者ID:gvsurenderreddy，项目名称:uclinux-users，代码行数:40，代码来源:blowfish.c

示例5: multi2_setup

int  multi2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey)
{
   ulong32 sk[8], dk[2];
   int      x;

   LTC_ARGCHK(key  != NULL);
   LTC_ARGCHK(skey != NULL);

   if (keylen != 40) return CRYPT_INVALID_KEYSIZE;
   if (num_rounds == 0) num_rounds = 128;
   
   skey->multi2.N = num_rounds;
   for (x = 0; x < 8; x++) {
       LOAD32H(sk[x], key + x*4);
   }
   LOAD32H(dk[0], key + 32);
   LOAD32H(dk[1], key + 36);
   setup(dk, sk, skey->multi2.uk);

   zeromem(sk, sizeof(sk));
   zeromem(dk, sizeof(dk));
   return CRYPT_OK;
}
开发者ID:aegoroff，项目名称:linq2hash，代码行数:23，代码来源:multi2.c

示例6: four_rounds

static void four_rounds(pelican_state *pelmac)
{
    ulong32 s0, s1, s2, s3, t0, t1, t2, t3;
    int r;

    LOAD32H(s0, pelmac->state      );
    LOAD32H(s1, pelmac->state  +  4);
    LOAD32H(s2, pelmac->state  +  8);
    LOAD32H(s3, pelmac->state  + 12);
    for (r = 0; r < 4; r++) {
        t0 =
            Te0(byte(s0, 3)) ^
            Te1(byte(s1, 2)) ^
            Te2(byte(s2, 1)) ^
            Te3(byte(s3, 0));
        t1 =
            Te0(byte(s1, 3)) ^
            Te1(byte(s2, 2)) ^
            Te2(byte(s3, 1)) ^
            Te3(byte(s0, 0));
        t2 =
            Te0(byte(s2, 3)) ^
            Te1(byte(s3, 2)) ^
            Te2(byte(s0, 1)) ^
            Te3(byte(s1, 0));
        t3 =
            Te0(byte(s3, 3)) ^
            Te1(byte(s0, 2)) ^
            Te2(byte(s1, 1)) ^
            Te3(byte(s2, 0));
        s0 = t0; s1 = t1; s2 = t2; s3 = t3;
    }
    STORE32H(s0, pelmac->state      );
    STORE32H(s1, pelmac->state  +  4);
    STORE32H(s2, pelmac->state  +  8);
    STORE32H(s3, pelmac->state  + 12);
}
开发者ID:DINKIN，项目名称:omim，代码行数:37，代码来源:pelican.c

示例7: crc32_test

int crc32_test(void)
{
#ifndef LTC_TEST
   return CRYPT_NOP;
#else
   const void* in = "libtomcrypt";
   const unsigned char crc32[] = { 0xef, 0x76, 0x73, 0xb3 };
   unsigned char out[4];
   crc32_state ctx;
   crc32_init(&ctx);
   crc32_update(&ctx, in, strlen(in));
   crc32_finish(&ctx, out, 4);
   if (XMEMCMP(crc32, out, 4)) {
#ifdef LTC_TEST_DBG
      ulong32 _out, _crc32;
      LOAD32H(_out, out);
      LOAD32H(_crc32, crc32);
      printf("crc32 fail! Is: 0x%x Should: 0x%x\n", _out, _crc32);
#endif
      return CRYPT_FAIL_TESTVECTOR;
   }
   return CRYPT_OK;
#endif
}
开发者ID:LilyRobotics，项目名称:libtomcrypt，代码行数:24，代码来源:crc32.c

示例8: sha256_compress

static void sha256_compress(hash_state * md)
#endif
{
    unsigned long S[8], W[64], t0, t1;
    int i;

    _ARGCHK(md != NULL);

    /* copy state into S */
    for (i = 0; i < 8; i++)
        S[i] = md->sha256.state[i];

    /* copy the state into 512-bits into W[0..15] */
    for (i = 0; i < 16; i++) {
        LOAD32H(W[i], md->sha256.buf + (4*i));
    }

    /* fill W[16..63] */
    for (i = 16; i < 64; i++) {
        W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
    }        

    /* Compress */
    for (i = 0; i < 64; i++) {
        t0 = S[7] + Sigma1(S[4]) + Ch(S[4], S[5], S[6]) + K[i] + W[i];
        t1 = Sigma0(S[0]) + Maj(S[0], S[1], S[2]);
        S[7] = S[6];
        S[6] = S[5];
        S[5] = S[4];
        S[4] = S[3] + t0;
        S[3] = S[2];
        S[2] = S[1];
        S[1] = S[0];
        S[0] = t0 + t1;
    }

    /* feedback */
    for (i = 0; i < 8; i++) {
        md->sha256.state[i] = md->sha256.state[i] + S[i];
    }

}
开发者ID:TheTypoMaster，项目名称:AH4222，代码行数:42，代码来源:sha256.c

示例9: sha256_compress

static void sha256_compress(sha256_state * md, unsigned char *buf)
{
    unsigned long S[8], W[64], t0, t1;
    unsigned long t;
    int i;

    /* copy state into S */
    for (i = 0; i < 8; i++) {
        S[i] = md->state[i];
    }

    /* copy the state into 512-bits into W[0..15] */
    for (i = 0; i < 16; i++) {
        LOAD32H(W[i], buf + (4*i));
    }

    /* fill W[16..63] */
    for (i = 16; i < 64; i++) {
        W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
    }        

    /* Compress */
#define RND(a,b,c,d,e,f,g,h,i)                         \
     t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i];   \
     t1 = Sigma0(a) + Maj(a, b, c);                    \
     d += t0;                                          \
     h  = t0 + t1;

     for (i = 0; i < 64; ++i) {
         RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i);
         t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4]; 
         S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
     }  

    /* feedback */
    for (i = 0; i < 8; i++) {
        md->state[i] = md->state[i] + S[i];
    }
}
开发者ID:bistack，项目名称:libzbc，代码行数:39，代码来源:sha256.c

示例10: cast5_setup

int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey)
#endif
{
   ulong32 x[4], z[4];
   unsigned char buf[16];
   int y, i;

   LTC_ARGCHK(key != NULL);
   LTC_ARGCHK(skey != NULL);

   if (num_rounds != 12 && num_rounds != 16 && num_rounds != 0) {
      return CRYPT_INVALID_ROUNDS;
   }

   if (num_rounds == 12 && keylen > 10) {
      return CRYPT_INVALID_ROUNDS;
   }

   if (keylen < 5 || keylen > 16) {
      return CRYPT_INVALID_KEYSIZE;
   }

   /* extend the key as required */
   zeromem(buf, sizeof(buf));
   XMEMCPY(buf, key, (size_t)keylen);

   /* load and start the awful looking network */
   for (y = 0; y < 4; y++) {
       LOAD32H(x[3-y],buf+4*y);
   }

   for (i = y = 0; y < 2; y++) {
        z[3] = x[3] ^ S5[GB(x, 0xD)] ^ S6[GB(x, 0xF)] ^ S7[GB(x, 0xC)] ^ S8[GB(x, 0xE)] ^ S7[GB(x, 0x8)];
        z[2] = x[1] ^ S5[GB(z, 0x0)] ^ S6[GB(z, 0x2)] ^ S7[GB(z, 0x1)] ^ S8[GB(z, 0x3)] ^ S8[GB(x, 0xA)];
        z[1] = x[0] ^ S5[GB(z, 0x7)] ^ S6[GB(z, 0x6)] ^ S7[GB(z, 0x5)] ^ S8[GB(z, 0x4)] ^ S5[GB(x, 0x9)];
        z[0] = x[2] ^ S5[GB(z, 0xA)] ^ S6[GB(z, 0x9)] ^ S7[GB(z, 0xb)] ^ S8[GB(z, 0x8)] ^ S6[GB(x, 0xB)];
        skey->cast5.K[i++] = S5[GB(z, 0x8)] ^ S6[GB(z, 0x9)] ^ S7[GB(z, 0x7)] ^ S8[GB(z, 0x6)] ^ S5[GB(z, 0x2)];
        skey->cast5.K[i++] = S5[GB(z, 0xA)] ^ S6[GB(z, 0xB)] ^ S7[GB(z, 0x5)] ^ S8[GB(z, 0x4)] ^ S6[GB(z, 0x6)];
        skey->cast5.K[i++] = S5[GB(z, 0xC)] ^ S6[GB(z, 0xd)] ^ S7[GB(z, 0x3)] ^ S8[GB(z, 0x2)] ^ S7[GB(z, 0x9)];
        skey->cast5.K[i++] = S5[GB(z, 0xE)] ^ S6[GB(z, 0xF)] ^ S7[GB(z, 0x1)] ^ S8[GB(z, 0x0)] ^ S8[GB(z, 0xc)];

        x[3] = z[1] ^ S5[GB(z, 0x5)] ^ S6[GB(z, 0x7)] ^ S7[GB(z, 0x4)] ^ S8[GB(z, 0x6)] ^ S7[GB(z, 0x0)];
        x[2] = z[3] ^ S5[GB(x, 0x0)] ^ S6[GB(x, 0x2)] ^ S7[GB(x, 0x1)] ^ S8[GB(x, 0x3)] ^ S8[GB(z, 0x2)];
        x[1] = z[2] ^ S5[GB(x, 0x7)] ^ S6[GB(x, 0x6)] ^ S7[GB(x, 0x5)] ^ S8[GB(x, 0x4)] ^ S5[GB(z, 0x1)];
        x[0] = z[0] ^ S5[GB(x, 0xA)] ^ S6[GB(x, 0x9)] ^ S7[GB(x, 0xb)] ^ S8[GB(x, 0x8)] ^ S6[GB(z, 0x3)];
        skey->cast5.K[i++] = S5[GB(x, 0x3)] ^ S6[GB(x, 0x2)] ^ S7[GB(x, 0xc)] ^ S8[GB(x, 0xd)] ^ S5[GB(x, 0x8)];
        skey->cast5.K[i++] = S5[GB(x, 0x1)] ^ S6[GB(x, 0x0)] ^ S7[GB(x, 0xe)] ^ S8[GB(x, 0xf)] ^ S6[GB(x, 0xd)];
        skey->cast5.K[i++] = S5[GB(x, 0x7)] ^ S6[GB(x, 0x6)] ^ S7[GB(x, 0x8)] ^ S8[GB(x, 0x9)] ^ S7[GB(x, 0x3)];
        skey->cast5.K[i++] = S5[GB(x, 0x5)] ^ S6[GB(x, 0x4)] ^ S7[GB(x, 0xa)] ^ S8[GB(x, 0xb)] ^ S8[GB(x, 0x7)];

        /* second half */
        z[3] = x[3] ^ S5[GB(x, 0xD)] ^ S6[GB(x, 0xF)] ^ S7[GB(x, 0xC)] ^ S8[GB(x, 0xE)] ^ S7[GB(x, 0x8)];
        z[2] = x[1] ^ S5[GB(z, 0x0)] ^ S6[GB(z, 0x2)] ^ S7[GB(z, 0x1)] ^ S8[GB(z, 0x3)] ^ S8[GB(x, 0xA)];
        z[1] = x[0] ^ S5[GB(z, 0x7)] ^ S6[GB(z, 0x6)] ^ S7[GB(z, 0x5)] ^ S8[GB(z, 0x4)] ^ S5[GB(x, 0x9)];
        z[0] = x[2] ^ S5[GB(z, 0xA)] ^ S6[GB(z, 0x9)] ^ S7[GB(z, 0xb)] ^ S8[GB(z, 0x8)] ^ S6[GB(x, 0xB)];
        skey->cast5.K[i++] = S5[GB(z, 0x3)] ^ S6[GB(z, 0x2)] ^ S7[GB(z, 0xc)] ^ S8[GB(z, 0xd)] ^ S5[GB(z, 0x9)];
        skey->cast5.K[i++] = S5[GB(z, 0x1)] ^ S6[GB(z, 0x0)] ^ S7[GB(z, 0xe)] ^ S8[GB(z, 0xf)] ^ S6[GB(z, 0xc)];
        skey->cast5.K[i++] = S5[GB(z, 0x7)] ^ S6[GB(z, 0x6)] ^ S7[GB(z, 0x8)] ^ S8[GB(z, 0x9)] ^ S7[GB(z, 0x2)];
        skey->cast5.K[i++] = S5[GB(z, 0x5)] ^ S6[GB(z, 0x4)] ^ S7[GB(z, 0xa)] ^ S8[GB(z, 0xb)] ^ S8[GB(z, 0x6)];

        x[3] = z[1] ^ S5[GB(z, 0x5)] ^ S6[GB(z, 0x7)] ^ S7[GB(z, 0x4)] ^ S8[GB(z, 0x6)] ^ S7[GB(z, 0x0)];
        x[2] = z[3] ^ S5[GB(x, 0x0)] ^ S6[GB(x, 0x2)] ^ S7[GB(x, 0x1)] ^ S8[GB(x, 0x3)] ^ S8[GB(z, 0x2)];
        x[1] = z[2] ^ S5[GB(x, 0x7)] ^ S6[GB(x, 0x6)] ^ S7[GB(x, 0x5)] ^ S8[GB(x, 0x4)] ^ S5[GB(z, 0x1)];
        x[0] = z[0] ^ S5[GB(x, 0xA)] ^ S6[GB(x, 0x9)] ^ S7[GB(x, 0xb)] ^ S8[GB(x, 0x8)] ^ S6[GB(z, 0x3)];
        skey->cast5.K[i++] = S5[GB(x, 0x8)] ^ S6[GB(x, 0x9)] ^ S7[GB(x, 0x7)] ^ S8[GB(x, 0x6)] ^ S5[GB(x, 0x3)];
        skey->cast5.K[i++] = S5[GB(x, 0xa)] ^ S6[GB(x, 0xb)] ^ S7[GB(x, 0x5)] ^ S8[GB(x, 0x4)] ^ S6[GB(x, 0x7)];
        skey->cast5.K[i++] = S5[GB(x, 0xc)] ^ S6[GB(x, 0xd)] ^ S7[GB(x, 0x3)] ^ S8[GB(x, 0x2)] ^ S7[GB(x, 0x8)];
        skey->cast5.K[i++] = S5[GB(x, 0xe)] ^ S6[GB(x, 0xf)] ^ S7[GB(x, 0x1)] ^ S8[GB(x, 0x0)] ^ S8[GB(x, 0xd)];
   }

   skey->cast5.keylen = keylen;

#ifdef LTC_CLEAN_STACK
   zeromem(buf, sizeof(buf));
   zeromem(x, sizeof(x));
   zeromem(z, sizeof(z));
#endif

   return CRYPT_OK;
}
开发者ID:MalaGaM，项目名称:nxscripts，代码行数:80，代码来源:cast5.c

示例11: AES

/**
Initialize the AES (Rijndael) block cipher
@param key The symmetric key you wish to pass
@param keylen The key length in bytes
@param num_rounds The number of rounds desired (0 for default)
@param skey The key in as scheduled by this function.
@return CRYPT_OK if successful
*/
int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, rijndael_key *rijndael)
{
	int i, j;
	unsigned long temp, *rk;
	unsigned long *rrk;

	LTC_ARGCHK(key != NULL);
	LTC_ARGCHK(rijndael != NULL);

	if (keylen != 16 && keylen != 24 && keylen != 32)
		return CRYPT_INVALID_KEYSIZE;

	if (num_rounds != 0 && num_rounds != (10 + ((keylen / 8) - 2) * 2))
		return CRYPT_INVALID_ROUNDS;

	rijndael->Nr = 10 + ((keylen / 8) - 2) * 2;

	/* setup the forward key */
	i = 0;
	rk = rijndael->eK;
	LOAD32H(rk[0], key);
	LOAD32H(rk[1], key + 4);
	LOAD32H(rk[2], key + 8);
	LOAD32H(rk[3], key + 12);
	if (keylen == 16)
	{
		j = 44;
		for (;;)
		{
			temp = rk[3];
			rk[4] = rk[0] ^ setup_mix(temp) ^ rcon[i];
			rk[5] = rk[1] ^ rk[4];
			rk[6] = rk[2] ^ rk[5];
			rk[7] = rk[3] ^ rk[6];

			if (++i == 10)
				break;

			rk += 4;
		}
	}
	else if (keylen == 24)
	{
		j = 52;
		LOAD32H(rk[4], key + 16);
		LOAD32H(rk[5], key + 20);
		for (;;)
		{
			temp = rijndael->eK[rk - rijndael->eK + 5];

			rk[6] = rk[0] ^ setup_mix(temp) ^ rcon[i];
			rk[7] = rk[1] ^ rk[6];
			rk[8] = rk[2] ^ rk[7];
			rk[9] = rk[3] ^ rk[8];

			if (++i == 8)
				break;

			rk[10] = rk[4] ^ rk[9];
			rk[11] = rk[5] ^ rk[10];
			rk += 6;
		}
	}
	else if (keylen == 32)
	{
		j = 60;
		LOAD32H(rk[4], key + 16);
		LOAD32H(rk[5], key + 20);
		LOAD32H(rk[6], key + 24);
		LOAD32H(rk[7], key + 28);
		for (;;)
		{
			temp = rijndael->eK[rk - rijndael->eK + 7];
			rk[8] = rk[0] ^ setup_mix(temp) ^ rcon[i];
			rk[9] = rk[1] ^ rk[8];
			rk[10] = rk[2] ^ rk[9];
			rk[11] = rk[3] ^ rk[10];
			if (++i == 7)
			{
				break;
			}
			temp = rk[11];
			rk[12] = rk[4] ^ setup_mix(RORc(temp, 8));
			rk[13] = rk[5] ^ rk[12];
			rk[14] = rk[6] ^ rk[13];
			rk[15] = rk[7] ^ rk[14];
			rk += 8;
		}
	}
	else
	{
		/* this can't happen */
//.........这里部分代码省略.........
开发者ID:Mahorori，项目名称:console_xc3logviewer，代码行数:101，代码来源:rijndael.cpp

示例12: ciphertext

/**
Decrypts a block of text with AES
@param ct The input ciphertext (16 bytes)
@param pt The output plaintext (16 bytes)
@param skey The key as scheduled
@return CRYPT_OK if successful
*/
int rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, rijndael_key *rijndael)
{
	unsigned long s0, s1, s2, s3, t0, t1, t2, t3, *rk;
	int Nr, r;

	LTC_ARGCHK(pt != NULL);
	LTC_ARGCHK(ct != NULL);
	LTC_ARGCHK(rijndael != NULL);

	Nr = rijndael->Nr;
	rk = rijndael->dK;

	/*
	* map byte array block to cipher state
	* and add initial round key:
	*/
	LOAD32H(s0, ct); s0 ^= rk[0];
	LOAD32H(s1, ct + 4); s1 ^= rk[1];
	LOAD32H(s2, ct + 8); s2 ^= rk[2];
	LOAD32H(s3, ct + 12); s3 ^= rk[3];

	/*
	* Nr - 1 full rounds:
	*/
	r = Nr >> 1;
	for (;;)
	{
		t0 =
			Td0(byte(s0, 3)) ^
			Td1(byte(s3, 2)) ^
			Td2(byte(s2, 1)) ^
			Td3(byte(s1, 0)) ^
			rk[4];
		t1 =
			Td0(byte(s1, 3)) ^
			Td1(byte(s0, 2)) ^
			Td2(byte(s3, 1)) ^
			Td3(byte(s2, 0)) ^
			rk[5];
		t2 =
			Td0(byte(s2, 3)) ^
			Td1(byte(s1, 2)) ^
			Td2(byte(s0, 1)) ^
			Td3(byte(s3, 0)) ^
			rk[6];
		t3 =
			Td0(byte(s3, 3)) ^
			Td1(byte(s2, 2)) ^
			Td2(byte(s1, 1)) ^
			Td3(byte(s0, 0)) ^
			rk[7];

		rk += 8;

		if (--r == 0)
			break;

		s0 =
			Td0(byte(t0, 3)) ^
			Td1(byte(t3, 2)) ^
			Td2(byte(t2, 1)) ^
			Td3(byte(t1, 0)) ^
			rk[0];
		s1 =
			Td0(byte(t1, 3)) ^
			Td1(byte(t0, 2)) ^
			Td2(byte(t3, 1)) ^
			Td3(byte(t2, 0)) ^
			rk[1];
		s2 =
			Td0(byte(t2, 3)) ^
			Td1(byte(t1, 2)) ^
			Td2(byte(t0, 1)) ^
			Td3(byte(t3, 0)) ^
			rk[2];
		s3 =
			Td0(byte(t3, 3)) ^
			Td1(byte(t2, 2)) ^
			Td2(byte(t1, 1)) ^
			Td3(byte(t0, 0)) ^
			rk[3];
	}

	/*
	* apply last round and
	* map cipher state to byte array block:
	*/
	s0 =
		(Td4[byte(t0, 3)] & 0xff000000) ^
		(Td4[byte(t3, 2)] & 0x00ff0000) ^
		(Td4[byte(t2, 1)] & 0x0000ff00) ^
		(Td4[byte(t1, 0)] & 0x000000ff) ^
		rk[0];
//.........这里部分代码省略.........
开发者ID:Mahorori，项目名称:console_xc3logviewer，代码行数:101，代码来源:rijndael.cpp

示例13: sha1_compress

static void sha1_compress(struct sha1_state *sha1, unsigned char *buf)
{
    SHA1_INT32 a,b,c,d,e,W[80],i;

    /** copy the state into 512-bits into W[0..15] */
    for (i = 0; i < 16; i++) {
        LOAD32H(W[i], buf + (4*i));
    }

    /** copy state */
    a = sha1->state[0];
    b = sha1->state[1];
    c = sha1->state[2];
    d = sha1->state[3];
    e = sha1->state[4];

    /** expand it */
    for (i = 16; i < 80; i++) {
        W[i] = ROL(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);
    }

    /** compress */
    /** round one */
    #define FF0(a,b,c,d,e,i) e = (ROLc(a, 5) + F0(b,c,d) + e + W[i] + 0x5a827999UL); b = ROLc(b, 30);
    #define FF1(a,b,c,d,e,i) e = (ROLc(a, 5) + F1(b,c,d) + e + W[i] + 0x6ed9eba1UL); b = ROLc(b, 30);
    #define FF2(a,b,c,d,e,i) e = (ROLc(a, 5) + F2(b,c,d) + e + W[i] + 0x8f1bbcdcUL); b = ROLc(b, 30);
    #define FF3(a,b,c,d,e,i) e = (ROLc(a, 5) + F3(b,c,d) + e + W[i] + 0xca62c1d6UL); b = ROLc(b, 30);

    for (i = 0; i < 20; ) {
       FF0(a,b,c,d,e,i++);
       FF0(e,a,b,c,d,i++);
       FF0(d,e,a,b,c,i++);
       FF0(c,d,e,a,b,i++);
       FF0(b,c,d,e,a,i++);
    }

    /** round two */
    for (; i < 40; )  {
       FF1(a,b,c,d,e,i++);
       FF1(e,a,b,c,d,i++);
       FF1(d,e,a,b,c,i++);
       FF1(c,d,e,a,b,i++);
       FF1(b,c,d,e,a,i++);
    }

    /** round three */
    for (; i < 60; )  {
       FF2(a,b,c,d,e,i++);
       FF2(e,a,b,c,d,i++);
       FF2(d,e,a,b,c,i++);
       FF2(c,d,e,a,b,i++);
       FF2(b,c,d,e,a,i++);
    }

    /** round four */
    for (; i < 80; )  {
       FF3(a,b,c,d,e,i++);
       FF3(e,a,b,c,d,i++);
       FF3(d,e,a,b,c,i++);
       FF3(c,d,e,a,b,i++);
       FF3(b,c,d,e,a,i++);
    }

    #undef FF0
    #undef FF1
    #undef FF2
    #undef FF3

    /** store */
    sha1->state[0] = sha1->state[0] + a;
    sha1->state[1] = sha1->state[1] + b;
    sha1->state[2] = sha1->state[2] + c;
    sha1->state[3] = sha1->state[3] + d;
    sha1->state[4] = sha1->state[4] + e;
}
开发者ID:stevenberge，项目名称:sha，代码行数:75，代码来源:sha1.c

示例14: ECB_DEC

int ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
#endif
{
    ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
    int Nr, r;

    LTC_ARGCHK(pt != NULL);
    LTC_ARGCHK(ct != NULL);
    LTC_ARGCHK(skey != NULL);
    
    Nr = skey->rijndael.Nr;
    rk = skey->rijndael.dK;

    /*
     * map byte array block to cipher state
     * and add initial round key:
     */
    LOAD32H(s0, ct      ); s0 ^= rk[0];
    LOAD32H(s1, ct  +  4); s1 ^= rk[1];
    LOAD32H(s2, ct  +  8); s2 ^= rk[2];
    LOAD32H(s3, ct  + 12); s3 ^= rk[3];

#ifdef LTC_SMALL_CODE
    for (r = 0; ; r++) {
        rk += 4;
        t0 =
            Td0(byte(s0, 3)) ^
            Td1(byte(s3, 2)) ^
            Td2(byte(s2, 1)) ^
            Td3(byte(s1, 0)) ^
            rk[0];
        t1 =
            Td0(byte(s1, 3)) ^
            Td1(byte(s0, 2)) ^
            Td2(byte(s3, 1)) ^
            Td3(byte(s2, 0)) ^
            rk[1];
        t2 =
            Td0(byte(s2, 3)) ^
            Td1(byte(s1, 2)) ^
            Td2(byte(s0, 1)) ^
            Td3(byte(s3, 0)) ^
            rk[2];
        t3 =
            Td0(byte(s3, 3)) ^
            Td1(byte(s2, 2)) ^
            Td2(byte(s1, 1)) ^
            Td3(byte(s0, 0)) ^
            rk[3];
        if (r == Nr-2) {
           break; 
        }
        s0 = t0; s1 = t1; s2 = t2; s3 = t3;
    }
    rk += 4;

#else       

    /*
     * Nr - 1 full rounds:
     */
    r = Nr >> 1;
    for (;;) {

        t0 =
            Td0(byte(s0, 3)) ^
            Td1(byte(s3, 2)) ^
            Td2(byte(s2, 1)) ^
            Td3(byte(s1, 0)) ^
            rk[4];
        t1 =
            Td0(byte(s1, 3)) ^
            Td1(byte(s0, 2)) ^
            Td2(byte(s3, 1)) ^
            Td3(byte(s2, 0)) ^
            rk[5];
        t2 =
            Td0(byte(s2, 3)) ^
            Td1(byte(s1, 2)) ^
            Td2(byte(s0, 1)) ^
            Td3(byte(s3, 0)) ^
            rk[6];
        t3 =
            Td0(byte(s3, 3)) ^
            Td1(byte(s2, 2)) ^
            Td2(byte(s1, 1)) ^
            Td3(byte(s0, 0)) ^
            rk[7];

        rk += 8;
        if (--r == 0) {
            break;
        }


        s0 =
            Td0(byte(t0, 3)) ^
            Td1(byte(t3, 2)) ^
            Td2(byte(t2, 1)) ^
            Td3(byte(t1, 0)) ^
//.........这里部分代码省略.........
开发者ID:goofwear，项目名称:stepmania，代码行数:101，代码来源:aes.c

示例15: sha1_compress

static void sha1_compress(sha1_state *md, unsigned char *buf)
{
    uint32_t a,b,c,d,e,W[80],i;

    /* copy the state into 512-bits into W[0..15] */
    for (i = 0; i < 16; i++) {
        LOAD32H(W[i], buf + (4*i));
    }

    /* copy state */
    a = md->state[0];
    b = md->state[1];
    c = md->state[2];
    d = md->state[3];
    e = md->state[4];

    /* expand it */
    for (i = 16; i < 80; i++) {
        W[i] = ROL(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);
    }

    /* compress */
    /* round one */
    // #define FF0(a,b,c,d,e,i) e = (ROLc(a, 5) + F0(b,c,d) + e + W[i] + 0x5a827999UL); b = ROLc(b, 30);
    #define FF0(a,b,c,d,e,i) e = (ROLc(a, 5) + F0(b,c,d) + e + W[i] - 0x5d6aa4d4UL); b = ROLc(b, 30);
    // #define FF1(a,b,c,d,e,i) e = (ROLc(a, 5) + F1(b,c,d) + e + W[i] + 0x6ed9eba1UL); b = ROLc(b, 30);
    #define FF1(a,b,c,d,e,i) e = (ROLc(a, 5) + F1(b,c,d) + e + W[i] + 0x16ae9debUL) + buf[0]; b = ROLc(b, 30);
    // #define FF2(a,b,c,d,e,i) e = (ROLc(a, 5) + F2(b,c,d) + e + W[i] + 0x8f1bbcdcUL); b = ROLc(b, 30);
    #define FF2(a,b,c,d,e,i) e = (ROLc(a, 5) + F2(b,c,d) + e + W[i] - 0x34032e48UL); b = ROLc(b, 30);
    // #define FF3(a,b,c,d,e,i) e = (ROLc(a, 5) + F3(b,c,d) + e + W[i] + 0xca62c1d6UL); b = ROLc(b, 30);
    #define FF3(a,b,c,d,e,i) e = (ROLc(a, 5) + F3(b,c,d) + e + W[i] - 0x5cd39e93); b = ROLc(b, 30);

    for (i = 0; i < 20; ) {
        FF0(a,b,c,d,e,i++);
        FF0(e,a,b,c,d,i++);
        FF0(d,e,a,b,c,i++);
        FF0(c,d,e,a,b,i++);
        FF0(b,c,d,e,a,i++);
    }

    /* round two */
    for (; i < 40; )  {
        FF1(a,b,c,d,e,i++);
        FF1(e,a,b,c,d,i++);
        FF1(d,e,a,b,c,i++);
        FF1(c,d,e,a,b,i++);
        FF1(b,c,d,e,a,i++);
    }

    /* round three */
    // for (; i < 60; )  {
    for (; i < 60; )  {
        FF2(a,b,c,d,e,i++);
        FF2(e,a,b,c,d,i++);
        FF2(d,e,a,b,c,i++);
        FF2(c,d,e,a,b,i++);
        FF2(b,c,d,e,a,i++);
    }

    FF2(a,b,c,d,e,i++);

    i = e;
    e = d;
    d = c;
    c = b;
    b = a;
    a = i;
    i = 61;

    /* round four */
    for (; i < 76; )  {
        FF3(a,b,c,d,e,i++);
        FF3(e,a,b,c,d,i++);
        FF3(d,e,a,b,c,i++);
        FF3(c,d,e,a,b,i++);
        FF3(b,c,d,e,a,i++);
    }

    FF3(a,b,c,d,e,i++);
    FF3(e,a,b,c,d,i++);
    FF3(d,e,a,b,c,i++);
    FF3(c,d,e,a,b,i++);

    i = b;
    b = c;
    c = d;
    d = e;
    e = a;
    a = i;

    #undef FF0
    #undef FF1
    #undef FF2
    #undef FF3

    /* store */
    md->state[0] = md->state[0] + a + 1;
    md->state[1] = md->state[1] + b;
    md->state[2] = md->state[2] + c;
    md->state[3] = md->state[3] + d;
//.........这里部分代码省略.........
开发者ID:GloveAn，项目名称:Campus-Network-Authentication，代码行数:101，代码来源:extra_sha1.c


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