Exemple #1
0
static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num) {
  const uint8_t *data = p;
  register unsigned MD32_REG_T A, B, C, D, E, T, l;
  unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10,
      XX11, XX12, XX13, XX14, XX15;

  A = c->h0;
  B = c->h1;
  C = c->h2;
  D = c->h3;
  E = c->h4;

  for (;;) {
    const union {
      long one;
      char little;
    } is_endian = {1};

    if (!is_endian.little && ((size_t)p % 4) == 0) {
      const uint32_t *W = (const uint32_t *)data;

      X(0) = W[0];
      X(1) = W[1];
      BODY_00_15(0, A, B, C, D, E, T, X(0));
      X(2) = W[2];
      BODY_00_15(1, T, A, B, C, D, E, X(1));
      X(3) = W[3];
      BODY_00_15(2, E, T, A, B, C, D, X(2));
      X(4) = W[4];
      BODY_00_15(3, D, E, T, A, B, C, X(3));
      X(5) = W[5];
      BODY_00_15(4, C, D, E, T, A, B, X(4));
      X(6) = W[6];
      BODY_00_15(5, B, C, D, E, T, A, X(5));
      X(7) = W[7];
      BODY_00_15(6, A, B, C, D, E, T, X(6));
      X(8) = W[8];
      BODY_00_15(7, T, A, B, C, D, E, X(7));
      X(9) = W[9];
      BODY_00_15(8, E, T, A, B, C, D, X(8));
      X(10) = W[10];
      BODY_00_15(9, D, E, T, A, B, C, X(9));
      X(11) = W[11];
      BODY_00_15(10, C, D, E, T, A, B, X(10));
      X(12) = W[12];
      BODY_00_15(11, B, C, D, E, T, A, X(11));
      X(13) = W[13];
      BODY_00_15(12, A, B, C, D, E, T, X(12));
      X(14) = W[14];
      BODY_00_15(13, T, A, B, C, D, E, X(13));
      X(15) = W[15];
      BODY_00_15(14, E, T, A, B, C, D, X(14));
      BODY_00_15(15, D, E, T, A, B, C, X(15));

      data += HASH_CBLOCK;
    } else {
      (void)HOST_c2l(data, l);
      X(0) = l;
      (void)HOST_c2l(data, l);
      X(1) = l;
      BODY_00_15(0, A, B, C, D, E, T, X(0));
      (void)HOST_c2l(data, l);
      X(2) = l;
      BODY_00_15(1, T, A, B, C, D, E, X(1));
      (void)HOST_c2l(data, l);
      X(3) = l;
      BODY_00_15(2, E, T, A, B, C, D, X(2));
      (void)HOST_c2l(data, l);
      X(4) = l;
      BODY_00_15(3, D, E, T, A, B, C, X(3));
      (void)HOST_c2l(data, l);
      X(5) = l;
      BODY_00_15(4, C, D, E, T, A, B, X(4));
      (void)HOST_c2l(data, l);
      X(6) = l;
      BODY_00_15(5, B, C, D, E, T, A, X(5));
      (void)HOST_c2l(data, l);
      X(7) = l;
      BODY_00_15(6, A, B, C, D, E, T, X(6));
      (void)HOST_c2l(data, l);
      X(8) = l;
      BODY_00_15(7, T, A, B, C, D, E, X(7));
      (void)HOST_c2l(data, l);
      X(9) = l;
      BODY_00_15(8, E, T, A, B, C, D, X(8));
      (void)HOST_c2l(data, l);
      X(10) = l;
      BODY_00_15(9, D, E, T, A, B, C, X(9));
      (void)HOST_c2l(data, l);
      X(11) = l;
      BODY_00_15(10, C, D, E, T, A, B, X(10));
      (void)HOST_c2l(data, l);
      X(12) = l;
      BODY_00_15(11, B, C, D, E, T, A, X(11));
      (void)HOST_c2l(data, l);
      X(13) = l;
      BODY_00_15(12, A, B, C, D, E, T, X(12));
      (void)HOST_c2l(data, l);
      X(14) = l;
      BODY_00_15(13, T, A, B, C, D, E, X(13));
      (void)HOST_c2l(data, l);
      X(15) = l;
      BODY_00_15(14, E, T, A, B, C, D, X(14));
      BODY_00_15(15, D, E, T, A, B, C, X(15));
    }

    BODY_16_19(16, C, D, E, T, A, B, X(0), X(0), X(2), X(8), X(13));
    BODY_16_19(17, B, C, D, E, T, A, X(1), X(1), X(3), X(9), X(14));
    BODY_16_19(18, A, B, C, D, E, T, X(2), X(2), X(4), X(10), X(15));
    BODY_16_19(19, T, A, B, C, D, E, X(3), X(3), X(5), X(11), X(0));

    BODY_20_31(20, E, T, A, B, C, D, X(4), X(4), X(6), X(12), X(1));
    BODY_20_31(21, D, E, T, A, B, C, X(5), X(5), X(7), X(13), X(2));
    BODY_20_31(22, C, D, E, T, A, B, X(6), X(6), X(8), X(14), X(3));
    BODY_20_31(23, B, C, D, E, T, A, X(7), X(7), X(9), X(15), X(4));
    BODY_20_31(24, A, B, C, D, E, T, X(8), X(8), X(10), X(0), X(5));
    BODY_20_31(25, T, A, B, C, D, E, X(9), X(9), X(11), X(1), X(6));
    BODY_20_31(26, E, T, A, B, C, D, X(10), X(10), X(12), X(2), X(7));
    BODY_20_31(27, D, E, T, A, B, C, X(11), X(11), X(13), X(3), X(8));
    BODY_20_31(28, C, D, E, T, A, B, X(12), X(12), X(14), X(4), X(9));
    BODY_20_31(29, B, C, D, E, T, A, X(13), X(13), X(15), X(5), X(10));
    BODY_20_31(30, A, B, C, D, E, T, X(14), X(14), X(0), X(6), X(11));
    BODY_20_31(31, T, A, B, C, D, E, X(15), X(15), X(1), X(7), X(12));

    BODY_32_39(32, E, T, A, B, C, D, X(0), X(2), X(8), X(13));
    BODY_32_39(33, D, E, T, A, B, C, X(1), X(3), X(9), X(14));
    BODY_32_39(34, C, D, E, T, A, B, X(2), X(4), X(10), X(15));
    BODY_32_39(35, B, C, D, E, T, A, X(3), X(5), X(11), X(0));
    BODY_32_39(36, A, B, C, D, E, T, X(4), X(6), X(12), X(1));
    BODY_32_39(37, T, A, B, C, D, E, X(5), X(7), X(13), X(2));
    BODY_32_39(38, E, T, A, B, C, D, X(6), X(8), X(14), X(3));
    BODY_32_39(39, D, E, T, A, B, C, X(7), X(9), X(15), X(4));

    BODY_40_59(40, C, D, E, T, A, B, X(8), X(10), X(0), X(5));
    BODY_40_59(41, B, C, D, E, T, A, X(9), X(11), X(1), X(6));
    BODY_40_59(42, A, B, C, D, E, T, X(10), X(12), X(2), X(7));
    BODY_40_59(43, T, A, B, C, D, E, X(11), X(13), X(3), X(8));
    BODY_40_59(44, E, T, A, B, C, D, X(12), X(14), X(4), X(9));
    BODY_40_59(45, D, E, T, A, B, C, X(13), X(15), X(5), X(10));
    BODY_40_59(46, C, D, E, T, A, B, X(14), X(0), X(6), X(11));
    BODY_40_59(47, B, C, D, E, T, A, X(15), X(1), X(7), X(12));
    BODY_40_59(48, A, B, C, D, E, T, X(0), X(2), X(8), X(13));
    BODY_40_59(49, T, A, B, C, D, E, X(1), X(3), X(9), X(14));
    BODY_40_59(50, E, T, A, B, C, D, X(2), X(4), X(10), X(15));
    BODY_40_59(51, D, E, T, A, B, C, X(3), X(5), X(11), X(0));
    BODY_40_59(52, C, D, E, T, A, B, X(4), X(6), X(12), X(1));
    BODY_40_59(53, B, C, D, E, T, A, X(5), X(7), X(13), X(2));
    BODY_40_59(54, A, B, C, D, E, T, X(6), X(8), X(14), X(3));
    BODY_40_59(55, T, A, B, C, D, E, X(7), X(9), X(15), X(4));
    BODY_40_59(56, E, T, A, B, C, D, X(8), X(10), X(0), X(5));
    BODY_40_59(57, D, E, T, A, B, C, X(9), X(11), X(1), X(6));
    BODY_40_59(58, C, D, E, T, A, B, X(10), X(12), X(2), X(7));
    BODY_40_59(59, B, C, D, E, T, A, X(11), X(13), X(3), X(8));

    BODY_60_79(60, A, B, C, D, E, T, X(12), X(14), X(4), X(9));
    BODY_60_79(61, T, A, B, C, D, E, X(13), X(15), X(5), X(10));
    BODY_60_79(62, E, T, A, B, C, D, X(14), X(0), X(6), X(11));
    BODY_60_79(63, D, E, T, A, B, C, X(15), X(1), X(7), X(12));
    BODY_60_79(64, C, D, E, T, A, B, X(0), X(2), X(8), X(13));
    BODY_60_79(65, B, C, D, E, T, A, X(1), X(3), X(9), X(14));
    BODY_60_79(66, A, B, C, D, E, T, X(2), X(4), X(10), X(15));
    BODY_60_79(67, T, A, B, C, D, E, X(3), X(5), X(11), X(0));
    BODY_60_79(68, E, T, A, B, C, D, X(4), X(6), X(12), X(1));
    BODY_60_79(69, D, E, T, A, B, C, X(5), X(7), X(13), X(2));
    BODY_60_79(70, C, D, E, T, A, B, X(6), X(8), X(14), X(3));
    BODY_60_79(71, B, C, D, E, T, A, X(7), X(9), X(15), X(4));
    BODY_60_79(72, A, B, C, D, E, T, X(8), X(10), X(0), X(5));
    BODY_60_79(73, T, A, B, C, D, E, X(9), X(11), X(1), X(6));
    BODY_60_79(74, E, T, A, B, C, D, X(10), X(12), X(2), X(7));
    BODY_60_79(75, D, E, T, A, B, C, X(11), X(13), X(3), X(8));
    BODY_60_79(76, C, D, E, T, A, B, X(12), X(14), X(4), X(9));
    BODY_60_79(77, B, C, D, E, T, A, X(13), X(15), X(5), X(10));
    BODY_60_79(78, A, B, C, D, E, T, X(14), X(0), X(6), X(11));
    BODY_60_79(79, T, A, B, C, D, E, X(15), X(1), X(7), X(12));

    c->h0 = (c->h0 + E) & 0xffffffffL;
    c->h1 = (c->h1 + T) & 0xffffffffL;
    c->h2 = (c->h2 + A) & 0xffffffffL;
    c->h3 = (c->h3 + B) & 0xffffffffL;
    c->h4 = (c->h4 + C) & 0xffffffffL;

    if (--num == 0)
      break;

    A = c->h0;
    B = c->h1;
    C = c->h2;
    D = c->h3;
    E = c->h4;
  }
}
Exemple #2
0
static void sha1_compress(ccdigest_state_t s, size_t num, const void *buf)
{
	const unsigned char *data=buf;
    register uint32_t A,B,C,D,E,T,l;
#ifndef MD32_XARRAY
	uint32_t    XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
				XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
#else
	uint32_t    XX[16];
#endif
    uint32_t *state=ccdigest_u32(s);

	A=state[0];
	B=state[1];
	C=state[2];
	D=state[3];
	E=state[4];

	for (;;)
		{

	HOST_c2l(data,l); X( 0)=l;		HOST_c2l(data,l); X( 1)=l;
	BODY_00_15( 0,A,B,C,D,E,T,X( 0));	HOST_c2l(data,l); X( 2)=l;
	BODY_00_15( 1,T,A,B,C,D,E,X( 1));	HOST_c2l(data,l); X( 3)=l;
	BODY_00_15( 2,E,T,A,B,C,D,X( 2));	HOST_c2l(data,l); X( 4)=l;
	BODY_00_15( 3,D,E,T,A,B,C,X( 3));	HOST_c2l(data,l); X( 5)=l;
	BODY_00_15( 4,C,D,E,T,A,B,X( 4));	HOST_c2l(data,l); X( 6)=l;
	BODY_00_15( 5,B,C,D,E,T,A,X( 5));	HOST_c2l(data,l); X( 7)=l;
	BODY_00_15( 6,A,B,C,D,E,T,X( 6));	HOST_c2l(data,l); X( 8)=l;
	BODY_00_15( 7,T,A,B,C,D,E,X( 7));	HOST_c2l(data,l); X( 9)=l;
	BODY_00_15( 8,E,T,A,B,C,D,X( 8));	HOST_c2l(data,l); X(10)=l;
	BODY_00_15( 9,D,E,T,A,B,C,X( 9));	HOST_c2l(data,l); X(11)=l;
	BODY_00_15(10,C,D,E,T,A,B,X(10));	HOST_c2l(data,l); X(12)=l;
	BODY_00_15(11,B,C,D,E,T,A,X(11));	HOST_c2l(data,l); X(13)=l;
	BODY_00_15(12,A,B,C,D,E,T,X(12));	HOST_c2l(data,l); X(14)=l;
	BODY_00_15(13,T,A,B,C,D,E,X(13));	HOST_c2l(data,l); X(15)=l;
	BODY_00_15(14,E,T,A,B,C,D,X(14));
	BODY_00_15(15,D,E,T,A,B,C,X(15));

	BODY_16_19(16,C,D,E,T,A,B,X( 0),X( 0),X( 2),X( 8),X(13));
	BODY_16_19(17,B,C,D,E,T,A,X( 1),X( 1),X( 3),X( 9),X(14));
	BODY_16_19(18,A,B,C,D,E,T,X( 2),X( 2),X( 4),X(10),X(15));
	BODY_16_19(19,T,A,B,C,D,E,X( 3),X( 3),X( 5),X(11),X( 0));

	BODY_20_31(20,E,T,A,B,C,D,X( 4),X( 4),X( 6),X(12),X( 1));
	BODY_20_31(21,D,E,T,A,B,C,X( 5),X( 5),X( 7),X(13),X( 2));
	BODY_20_31(22,C,D,E,T,A,B,X( 6),X( 6),X( 8),X(14),X( 3));
	BODY_20_31(23,B,C,D,E,T,A,X( 7),X( 7),X( 9),X(15),X( 4));
	BODY_20_31(24,A,B,C,D,E,T,X( 8),X( 8),X(10),X( 0),X( 5));
	BODY_20_31(25,T,A,B,C,D,E,X( 9),X( 9),X(11),X( 1),X( 6));
	BODY_20_31(26,E,T,A,B,C,D,X(10),X(10),X(12),X( 2),X( 7));
	BODY_20_31(27,D,E,T,A,B,C,X(11),X(11),X(13),X( 3),X( 8));
	BODY_20_31(28,C,D,E,T,A,B,X(12),X(12),X(14),X( 4),X( 9));
	BODY_20_31(29,B,C,D,E,T,A,X(13),X(13),X(15),X( 5),X(10));
	BODY_20_31(30,A,B,C,D,E,T,X(14),X(14),X( 0),X( 6),X(11));
	BODY_20_31(31,T,A,B,C,D,E,X(15),X(15),X( 1),X( 7),X(12));

	BODY_32_39(32,E,T,A,B,C,D,X( 0),X( 2),X( 8),X(13));
	BODY_32_39(33,D,E,T,A,B,C,X( 1),X( 3),X( 9),X(14));
	BODY_32_39(34,C,D,E,T,A,B,X( 2),X( 4),X(10),X(15));
	BODY_32_39(35,B,C,D,E,T,A,X( 3),X( 5),X(11),X( 0));
	BODY_32_39(36,A,B,C,D,E,T,X( 4),X( 6),X(12),X( 1));
	BODY_32_39(37,T,A,B,C,D,E,X( 5),X( 7),X(13),X( 2));
	BODY_32_39(38,E,T,A,B,C,D,X( 6),X( 8),X(14),X( 3));
	BODY_32_39(39,D,E,T,A,B,C,X( 7),X( 9),X(15),X( 4));

	BODY_40_59(40,C,D,E,T,A,B,X( 8),X(10),X( 0),X( 5));
	BODY_40_59(41,B,C,D,E,T,A,X( 9),X(11),X( 1),X( 6));
	BODY_40_59(42,A,B,C,D,E,T,X(10),X(12),X( 2),X( 7));
	BODY_40_59(43,T,A,B,C,D,E,X(11),X(13),X( 3),X( 8));
	BODY_40_59(44,E,T,A,B,C,D,X(12),X(14),X( 4),X( 9));
	BODY_40_59(45,D,E,T,A,B,C,X(13),X(15),X( 5),X(10));
	BODY_40_59(46,C,D,E,T,A,B,X(14),X( 0),X( 6),X(11));
	BODY_40_59(47,B,C,D,E,T,A,X(15),X( 1),X( 7),X(12));
	BODY_40_59(48,A,B,C,D,E,T,X( 0),X( 2),X( 8),X(13));
	BODY_40_59(49,T,A,B,C,D,E,X( 1),X( 3),X( 9),X(14));
	BODY_40_59(50,E,T,A,B,C,D,X( 2),X( 4),X(10),X(15));
	BODY_40_59(51,D,E,T,A,B,C,X( 3),X( 5),X(11),X( 0));
	BODY_40_59(52,C,D,E,T,A,B,X( 4),X( 6),X(12),X( 1));
	BODY_40_59(53,B,C,D,E,T,A,X( 5),X( 7),X(13),X( 2));
	BODY_40_59(54,A,B,C,D,E,T,X( 6),X( 8),X(14),X( 3));
	BODY_40_59(55,T,A,B,C,D,E,X( 7),X( 9),X(15),X( 4));
	BODY_40_59(56,E,T,A,B,C,D,X( 8),X(10),X( 0),X( 5));
	BODY_40_59(57,D,E,T,A,B,C,X( 9),X(11),X( 1),X( 6));
	BODY_40_59(58,C,D,E,T,A,B,X(10),X(12),X( 2),X( 7));
	BODY_40_59(59,B,C,D,E,T,A,X(11),X(13),X( 3),X( 8));

	BODY_60_79(60,A,B,C,D,E,T,X(12),X(14),X( 4),X( 9));
	BODY_60_79(61,T,A,B,C,D,E,X(13),X(15),X( 5),X(10));
	BODY_60_79(62,E,T,A,B,C,D,X(14),X( 0),X( 6),X(11));
	BODY_60_79(63,D,E,T,A,B,C,X(15),X( 1),X( 7),X(12));
	BODY_60_79(64,C,D,E,T,A,B,X( 0),X( 2),X( 8),X(13));
	BODY_60_79(65,B,C,D,E,T,A,X( 1),X( 3),X( 9),X(14));
	BODY_60_79(66,A,B,C,D,E,T,X( 2),X( 4),X(10),X(15));
	BODY_60_79(67,T,A,B,C,D,E,X( 3),X( 5),X(11),X( 0));
	BODY_60_79(68,E,T,A,B,C,D,X( 4),X( 6),X(12),X( 1));
	BODY_60_79(69,D,E,T,A,B,C,X( 5),X( 7),X(13),X( 2));
	BODY_60_79(70,C,D,E,T,A,B,X( 6),X( 8),X(14),X( 3));
	BODY_60_79(71,B,C,D,E,T,A,X( 7),X( 9),X(15),X( 4));
	BODY_60_79(72,A,B,C,D,E,T,X( 8),X(10),X( 0),X( 5));
	BODY_60_79(73,T,A,B,C,D,E,X( 9),X(11),X( 1),X( 6));
	BODY_60_79(74,E,T,A,B,C,D,X(10),X(12),X( 2),X( 7));
	BODY_60_79(75,D,E,T,A,B,C,X(11),X(13),X( 3),X( 8));
	BODY_60_79(76,C,D,E,T,A,B,X(12),X(14),X( 4),X( 9));
	BODY_60_79(77,B,C,D,E,T,A,X(13),X(15),X( 5),X(10));
	BODY_60_79(78,A,B,C,D,E,T,X(14),X( 0),X( 6),X(11));
	BODY_60_79(79,T,A,B,C,D,E,X(15),X( 1),X( 7),X(12));

	state[0]=(state[0]+E)&0xffffffff;
	state[1]=(state[1]+T)&0xffffffff;
	state[2]=(state[2]+A)&0xffffffff;
	state[3]=(state[3]+B)&0xffffffff;
	state[4]=(state[4]+C)&0xffffffff;

	if (--num <= 0) break;

	A=state[0];
	B=state[1];
	C=state[2];
	D=state[3];
	E=state[4];

	}
}