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Overview
Comment:Lowercase local variable names in the SHA3 extension in order to avoid collisions with macros in termios.h.
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SHA3-256:3ec7371161bd617e40328aa015b09acc2b37b0b5d269a87050a0c57163f92801
User & Date: drh 2017-12-20 23:46:29
Context
2017-12-21
02:17
Add the experimental ".expert" command to the sqlite3.exe shell. check-in: 0821bae7 user: drh tags: trunk
2017-12-20
23:46
Lowercase local variable names in the SHA3 extension in order to avoid collisions with macros in termios.h. check-in: 3ec73711 user: drh tags: trunk
2017-12-19
18:56
Fix crash in sqlite3_vtab_collation() when called for an IS NOT NULL constraint. check-in: ad38d2c4 user: dan tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to ext/misc/shathree.c.

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/*
** A single step of the Keccak mixing function for a 1600-bit state
*/
static void KeccakF1600Step(SHA3Context *p){
  int i;
  u64 B0, B1, B2, B3, B4;
  u64 C0, C1, C2, C3, C4;
  u64 D0, D1, D2, D3, D4;
  static const u64 RC[] = {
    0x0000000000000001ULL,  0x0000000000008082ULL,
    0x800000000000808aULL,  0x8000000080008000ULL,
    0x000000000000808bULL,  0x0000000080000001ULL,
    0x8000000080008081ULL,  0x8000000000008009ULL,
    0x000000000000008aULL,  0x0000000000000088ULL,
    0x0000000080008009ULL,  0x000000008000000aULL,
................................................................................
    0x000000008000808bULL,  0x800000000000008bULL,
    0x8000000000008089ULL,  0x8000000000008003ULL,
    0x8000000000008002ULL,  0x8000000000000080ULL,
    0x000000000000800aULL,  0x800000008000000aULL,
    0x8000000080008081ULL,  0x8000000000008080ULL,
    0x0000000080000001ULL,  0x8000000080008008ULL
  };
# define A00 (p->u.s[0])
# define A01 (p->u.s[1])
# define A02 (p->u.s[2])
# define A03 (p->u.s[3])
# define A04 (p->u.s[4])
# define A10 (p->u.s[5])
# define A11 (p->u.s[6])
# define A12 (p->u.s[7])
# define A13 (p->u.s[8])
# define A14 (p->u.s[9])
# define A20 (p->u.s[10])
# define A21 (p->u.s[11])
# define A22 (p->u.s[12])
# define A23 (p->u.s[13])
# define A24 (p->u.s[14])
# define A30 (p->u.s[15])
# define A31 (p->u.s[16])
# define A32 (p->u.s[17])
# define A33 (p->u.s[18])
# define A34 (p->u.s[19])
# define A40 (p->u.s[20])
# define A41 (p->u.s[21])
# define A42 (p->u.s[22])
# define A43 (p->u.s[23])
# define A44 (p->u.s[24])
# define ROL64(a,x) ((a<<x)|(a>>(64-x)))

  for(i=0; i<24; i+=4){
    C0 = A00^A10^A20^A30^A40;
    C1 = A01^A11^A21^A31^A41;
    C2 = A02^A12^A22^A32^A42;
    C3 = A03^A13^A23^A33^A43;
    C4 = A04^A14^A24^A34^A44;
    D0 = C4^ROL64(C1, 1);
    D1 = C0^ROL64(C2, 1);
    D2 = C1^ROL64(C3, 1);
    D3 = C2^ROL64(C4, 1);
    D4 = C3^ROL64(C0, 1);

    B0 = (A00^D0);
    B1 = ROL64((A11^D1), 44);
    B2 = ROL64((A22^D2), 43);
    B3 = ROL64((A33^D3), 21);
    B4 = ROL64((A44^D4), 14);
    A00 =   B0 ^((~B1)&  B2 );
    A00 ^= RC[i];
    A11 =   B1 ^((~B2)&  B3 );
    A22 =   B2 ^((~B3)&  B4 );
    A33 =   B3 ^((~B4)&  B0 );
    A44 =   B4 ^((~B0)&  B1 );

    B2 = ROL64((A20^D0), 3);
    B3 = ROL64((A31^D1), 45);
    B4 = ROL64((A42^D2), 61);
    B0 = ROL64((A03^D3), 28);
    B1 = ROL64((A14^D4), 20);
    A20 =   B0 ^((~B1)&  B2 );
    A31 =   B1 ^((~B2)&  B3 );
    A42 =   B2 ^((~B3)&  B4 );
    A03 =   B3 ^((~B4)&  B0 );
    A14 =   B4 ^((~B0)&  B1 );

    B4 = ROL64((A40^D0), 18);
    B0 = ROL64((A01^D1), 1);
    B1 = ROL64((A12^D2), 6);
    B2 = ROL64((A23^D3), 25);
    B3 = ROL64((A34^D4), 8);
    A40 =   B0 ^((~B1)&  B2 );
    A01 =   B1 ^((~B2)&  B3 );
    A12 =   B2 ^((~B3)&  B4 );
    A23 =   B3 ^((~B4)&  B0 );
    A34 =   B4 ^((~B0)&  B1 );

    B1 = ROL64((A10^D0), 36);
    B2 = ROL64((A21^D1), 10);
    B3 = ROL64((A32^D2), 15);
    B4 = ROL64((A43^D3), 56);
    B0 = ROL64((A04^D4), 27);
    A10 =   B0 ^((~B1)&  B2 );
    A21 =   B1 ^((~B2)&  B3 );
    A32 =   B2 ^((~B3)&  B4 );
    A43 =   B3 ^((~B4)&  B0 );
    A04 =   B4 ^((~B0)&  B1 );

    B3 = ROL64((A30^D0), 41);
    B4 = ROL64((A41^D1), 2);
    B0 = ROL64((A02^D2), 62);
    B1 = ROL64((A13^D3), 55);
    B2 = ROL64((A24^D4), 39);
    A30 =   B0 ^((~B1)&  B2 );
    A41 =   B1 ^((~B2)&  B3 );
    A02 =   B2 ^((~B3)&  B4 );
    A13 =   B3 ^((~B4)&  B0 );
    A24 =   B4 ^((~B0)&  B1 );

    C0 = A00^A20^A40^A10^A30;
    C1 = A11^A31^A01^A21^A41;
    C2 = A22^A42^A12^A32^A02;
    C3 = A33^A03^A23^A43^A13;
    C4 = A44^A14^A34^A04^A24;
    D0 = C4^ROL64(C1, 1);
    D1 = C0^ROL64(C2, 1);
    D2 = C1^ROL64(C3, 1);
    D3 = C2^ROL64(C4, 1);
    D4 = C3^ROL64(C0, 1);

    B0 = (A00^D0);
    B1 = ROL64((A31^D1), 44);
    B2 = ROL64((A12^D2), 43);
    B3 = ROL64((A43^D3), 21);
    B4 = ROL64((A24^D4), 14);
    A00 =   B0 ^((~B1)&  B2 );
    A00 ^= RC[i+1];
    A31 =   B1 ^((~B2)&  B3 );
    A12 =   B2 ^((~B3)&  B4 );
    A43 =   B3 ^((~B4)&  B0 );
    A24 =   B4 ^((~B0)&  B1 );

    B2 = ROL64((A40^D0), 3);
    B3 = ROL64((A21^D1), 45);
    B4 = ROL64((A02^D2), 61);
    B0 = ROL64((A33^D3), 28);
    B1 = ROL64((A14^D4), 20);
    A40 =   B0 ^((~B1)&  B2 );
    A21 =   B1 ^((~B2)&  B3 );
    A02 =   B2 ^((~B3)&  B4 );
    A33 =   B3 ^((~B4)&  B0 );
    A14 =   B4 ^((~B0)&  B1 );

    B4 = ROL64((A30^D0), 18);
    B0 = ROL64((A11^D1), 1);
    B1 = ROL64((A42^D2), 6);
    B2 = ROL64((A23^D3), 25);
    B3 = ROL64((A04^D4), 8);
    A30 =   B0 ^((~B1)&  B2 );
    A11 =   B1 ^((~B2)&  B3 );
    A42 =   B2 ^((~B3)&  B4 );
    A23 =   B3 ^((~B4)&  B0 );
    A04 =   B4 ^((~B0)&  B1 );

    B1 = ROL64((A20^D0), 36);
    B2 = ROL64((A01^D1), 10);
    B3 = ROL64((A32^D2), 15);
    B4 = ROL64((A13^D3), 56);
    B0 = ROL64((A44^D4), 27);
    A20 =   B0 ^((~B1)&  B2 );
    A01 =   B1 ^((~B2)&  B3 );
    A32 =   B2 ^((~B3)&  B4 );
    A13 =   B3 ^((~B4)&  B0 );
    A44 =   B4 ^((~B0)&  B1 );

    B3 = ROL64((A10^D0), 41);
    B4 = ROL64((A41^D1), 2);
    B0 = ROL64((A22^D2), 62);
    B1 = ROL64((A03^D3), 55);
    B2 = ROL64((A34^D4), 39);
    A10 =   B0 ^((~B1)&  B2 );
    A41 =   B1 ^((~B2)&  B3 );
    A22 =   B2 ^((~B3)&  B4 );
    A03 =   B3 ^((~B4)&  B0 );
    A34 =   B4 ^((~B0)&  B1 );

    C0 = A00^A40^A30^A20^A10;
    C1 = A31^A21^A11^A01^A41;
    C2 = A12^A02^A42^A32^A22;
    C3 = A43^A33^A23^A13^A03;
    C4 = A24^A14^A04^A44^A34;
    D0 = C4^ROL64(C1, 1);
    D1 = C0^ROL64(C2, 1);
    D2 = C1^ROL64(C3, 1);
    D3 = C2^ROL64(C4, 1);
    D4 = C3^ROL64(C0, 1);

    B0 = (A00^D0);
    B1 = ROL64((A21^D1), 44);
    B2 = ROL64((A42^D2), 43);
    B3 = ROL64((A13^D3), 21);
    B4 = ROL64((A34^D4), 14);
    A00 =   B0 ^((~B1)&  B2 );
    A00 ^= RC[i+2];
    A21 =   B1 ^((~B2)&  B3 );
    A42 =   B2 ^((~B3)&  B4 );
    A13 =   B3 ^((~B4)&  B0 );
    A34 =   B4 ^((~B0)&  B1 );

    B2 = ROL64((A30^D0), 3);
    B3 = ROL64((A01^D1), 45);
    B4 = ROL64((A22^D2), 61);
    B0 = ROL64((A43^D3), 28);
    B1 = ROL64((A14^D4), 20);
    A30 =   B0 ^((~B1)&  B2 );
    A01 =   B1 ^((~B2)&  B3 );
    A22 =   B2 ^((~B3)&  B4 );
    A43 =   B3 ^((~B4)&  B0 );
    A14 =   B4 ^((~B0)&  B1 );

    B4 = ROL64((A10^D0), 18);
    B0 = ROL64((A31^D1), 1);
    B1 = ROL64((A02^D2), 6);
    B2 = ROL64((A23^D3), 25);
    B3 = ROL64((A44^D4), 8);
    A10 =   B0 ^((~B1)&  B2 );
    A31 =   B1 ^((~B2)&  B3 );
    A02 =   B2 ^((~B3)&  B4 );
    A23 =   B3 ^((~B4)&  B0 );
    A44 =   B4 ^((~B0)&  B1 );

    B1 = ROL64((A40^D0), 36);
    B2 = ROL64((A11^D1), 10);
    B3 = ROL64((A32^D2), 15);
    B4 = ROL64((A03^D3), 56);
    B0 = ROL64((A24^D4), 27);
    A40 =   B0 ^((~B1)&  B2 );
    A11 =   B1 ^((~B2)&  B3 );
    A32 =   B2 ^((~B3)&  B4 );
    A03 =   B3 ^((~B4)&  B0 );
    A24 =   B4 ^((~B0)&  B1 );

    B3 = ROL64((A20^D0), 41);
    B4 = ROL64((A41^D1), 2);
    B0 = ROL64((A12^D2), 62);
    B1 = ROL64((A33^D3), 55);
    B2 = ROL64((A04^D4), 39);
    A20 =   B0 ^((~B1)&  B2 );
    A41 =   B1 ^((~B2)&  B3 );
    A12 =   B2 ^((~B3)&  B4 );
    A33 =   B3 ^((~B4)&  B0 );
    A04 =   B4 ^((~B0)&  B1 );

    C0 = A00^A30^A10^A40^A20;
    C1 = A21^A01^A31^A11^A41;
    C2 = A42^A22^A02^A32^A12;
    C3 = A13^A43^A23^A03^A33;
    C4 = A34^A14^A44^A24^A04;
    D0 = C4^ROL64(C1, 1);
    D1 = C0^ROL64(C2, 1);
    D2 = C1^ROL64(C3, 1);
    D3 = C2^ROL64(C4, 1);
    D4 = C3^ROL64(C0, 1);

    B0 = (A00^D0);
    B1 = ROL64((A01^D1), 44);
    B2 = ROL64((A02^D2), 43);
    B3 = ROL64((A03^D3), 21);
    B4 = ROL64((A04^D4), 14);
    A00 =   B0 ^((~B1)&  B2 );
    A00 ^= RC[i+3];
    A01 =   B1 ^((~B2)&  B3 );
    A02 =   B2 ^((~B3)&  B4 );
    A03 =   B3 ^((~B4)&  B0 );
    A04 =   B4 ^((~B0)&  B1 );

    B2 = ROL64((A10^D0), 3);
    B3 = ROL64((A11^D1), 45);
    B4 = ROL64((A12^D2), 61);
    B0 = ROL64((A13^D3), 28);
    B1 = ROL64((A14^D4), 20);
    A10 =   B0 ^((~B1)&  B2 );
    A11 =   B1 ^((~B2)&  B3 );
    A12 =   B2 ^((~B3)&  B4 );
    A13 =   B3 ^((~B4)&  B0 );
    A14 =   B4 ^((~B0)&  B1 );

    B4 = ROL64((A20^D0), 18);
    B0 = ROL64((A21^D1), 1);
    B1 = ROL64((A22^D2), 6);
    B2 = ROL64((A23^D3), 25);
    B3 = ROL64((A24^D4), 8);
    A20 =   B0 ^((~B1)&  B2 );
    A21 =   B1 ^((~B2)&  B3 );
    A22 =   B2 ^((~B3)&  B4 );
    A23 =   B3 ^((~B4)&  B0 );
    A24 =   B4 ^((~B0)&  B1 );

    B1 = ROL64((A30^D0), 36);
    B2 = ROL64((A31^D1), 10);
    B3 = ROL64((A32^D2), 15);
    B4 = ROL64((A33^D3), 56);
    B0 = ROL64((A34^D4), 27);
    A30 =   B0 ^((~B1)&  B2 );
    A31 =   B1 ^((~B2)&  B3 );
    A32 =   B2 ^((~B3)&  B4 );
    A33 =   B3 ^((~B4)&  B0 );
    A34 =   B4 ^((~B0)&  B1 );

    B3 = ROL64((A40^D0), 41);
    B4 = ROL64((A41^D1), 2);
    B0 = ROL64((A42^D2), 62);
    B1 = ROL64((A43^D3), 55);
    B2 = ROL64((A44^D4), 39);
    A40 =   B0 ^((~B1)&  B2 );
    A41 =   B1 ^((~B2)&  B3 );
    A42 =   B2 ^((~B3)&  B4 );
    A43 =   B3 ^((~B4)&  B0 );
    A44 =   B4 ^((~B0)&  B1 );
  }
}

/*
** Initialize a new hash.  iSize determines the size of the hash
** in bits and should be one of 224, 256, 384, or 512.  Or iSize
** can be zero to use the default hash size of 256 bits.







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};

/*
** A single step of the Keccak mixing function for a 1600-bit state
*/
static void KeccakF1600Step(SHA3Context *p){
  int i;
  u64 b0, b1, b2, b3, b4;
  u64 c0, c1, c2, c3, c4;
  u64 d0, d1, d2, d3, d4;
  static const u64 RC[] = {
    0x0000000000000001ULL,  0x0000000000008082ULL,
    0x800000000000808aULL,  0x8000000080008000ULL,
    0x000000000000808bULL,  0x0000000080000001ULL,
    0x8000000080008081ULL,  0x8000000000008009ULL,
    0x000000000000008aULL,  0x0000000000000088ULL,
    0x0000000080008009ULL,  0x000000008000000aULL,
................................................................................
    0x000000008000808bULL,  0x800000000000008bULL,
    0x8000000000008089ULL,  0x8000000000008003ULL,
    0x8000000000008002ULL,  0x8000000000000080ULL,
    0x000000000000800aULL,  0x800000008000000aULL,
    0x8000000080008081ULL,  0x8000000000008080ULL,
    0x0000000080000001ULL,  0x8000000080008008ULL
  };
# define a00 (p->u.s[0])
# define a01 (p->u.s[1])
# define a02 (p->u.s[2])
# define a03 (p->u.s[3])
# define a04 (p->u.s[4])
# define a10 (p->u.s[5])
# define a11 (p->u.s[6])
# define a12 (p->u.s[7])
# define a13 (p->u.s[8])
# define a14 (p->u.s[9])
# define a20 (p->u.s[10])
# define a21 (p->u.s[11])
# define a22 (p->u.s[12])
# define a23 (p->u.s[13])
# define a24 (p->u.s[14])
# define a30 (p->u.s[15])
# define a31 (p->u.s[16])
# define a32 (p->u.s[17])
# define a33 (p->u.s[18])
# define a34 (p->u.s[19])
# define a40 (p->u.s[20])
# define a41 (p->u.s[21])
# define a42 (p->u.s[22])
# define a43 (p->u.s[23])
# define a44 (p->u.s[24])
# define ROL64(a,x) ((a<<x)|(a>>(64-x)))

  for(i=0; i<24; i+=4){
    c0 = a00^a10^a20^a30^a40;
    c1 = a01^a11^a21^a31^a41;
    c2 = a02^a12^a22^a32^a42;
    c3 = a03^a13^a23^a33^a43;
    c4 = a04^a14^a24^a34^a44;
    d0 = c4^ROL64(c1, 1);
    d1 = c0^ROL64(c2, 1);
    d2 = c1^ROL64(c3, 1);
    d3 = c2^ROL64(c4, 1);
    d4 = c3^ROL64(c0, 1);

    b0 = (a00^d0);
    b1 = ROL64((a11^d1), 44);
    b2 = ROL64((a22^d2), 43);
    b3 = ROL64((a33^d3), 21);
    b4 = ROL64((a44^d4), 14);
    a00 =   b0 ^((~b1)&  b2 );
    a00 ^= RC[i];
    a11 =   b1 ^((~b2)&  b3 );
    a22 =   b2 ^((~b3)&  b4 );
    a33 =   b3 ^((~b4)&  b0 );
    a44 =   b4 ^((~b0)&  b1 );

    b2 = ROL64((a20^d0), 3);
    b3 = ROL64((a31^d1), 45);
    b4 = ROL64((a42^d2), 61);
    b0 = ROL64((a03^d3), 28);
    b1 = ROL64((a14^d4), 20);
    a20 =   b0 ^((~b1)&  b2 );
    a31 =   b1 ^((~b2)&  b3 );
    a42 =   b2 ^((~b3)&  b4 );
    a03 =   b3 ^((~b4)&  b0 );
    a14 =   b4 ^((~b0)&  b1 );

    b4 = ROL64((a40^d0), 18);
    b0 = ROL64((a01^d1), 1);
    b1 = ROL64((a12^d2), 6);
    b2 = ROL64((a23^d3), 25);
    b3 = ROL64((a34^d4), 8);
    a40 =   b0 ^((~b1)&  b2 );
    a01 =   b1 ^((~b2)&  b3 );
    a12 =   b2 ^((~b3)&  b4 );
    a23 =   b3 ^((~b4)&  b0 );
    a34 =   b4 ^((~b0)&  b1 );

    b1 = ROL64((a10^d0), 36);
    b2 = ROL64((a21^d1), 10);
    b3 = ROL64((a32^d2), 15);
    b4 = ROL64((a43^d3), 56);
    b0 = ROL64((a04^d4), 27);
    a10 =   b0 ^((~b1)&  b2 );
    a21 =   b1 ^((~b2)&  b3 );
    a32 =   b2 ^((~b3)&  b4 );
    a43 =   b3 ^((~b4)&  b0 );
    a04 =   b4 ^((~b0)&  b1 );

    b3 = ROL64((a30^d0), 41);
    b4 = ROL64((a41^d1), 2);
    b0 = ROL64((a02^d2), 62);
    b1 = ROL64((a13^d3), 55);
    b2 = ROL64((a24^d4), 39);
    a30 =   b0 ^((~b1)&  b2 );
    a41 =   b1 ^((~b2)&  b3 );
    a02 =   b2 ^((~b3)&  b4 );
    a13 =   b3 ^((~b4)&  b0 );
    a24 =   b4 ^((~b0)&  b1 );

    c0 = a00^a20^a40^a10^a30;
    c1 = a11^a31^a01^a21^a41;
    c2 = a22^a42^a12^a32^a02;
    c3 = a33^a03^a23^a43^a13;
    c4 = a44^a14^a34^a04^a24;
    d0 = c4^ROL64(c1, 1);
    d1 = c0^ROL64(c2, 1);
    d2 = c1^ROL64(c3, 1);
    d3 = c2^ROL64(c4, 1);
    d4 = c3^ROL64(c0, 1);

    b0 = (a00^d0);
    b1 = ROL64((a31^d1), 44);
    b2 = ROL64((a12^d2), 43);
    b3 = ROL64((a43^d3), 21);
    b4 = ROL64((a24^d4), 14);
    a00 =   b0 ^((~b1)&  b2 );
    a00 ^= RC[i+1];
    a31 =   b1 ^((~b2)&  b3 );
    a12 =   b2 ^((~b3)&  b4 );
    a43 =   b3 ^((~b4)&  b0 );
    a24 =   b4 ^((~b0)&  b1 );

    b2 = ROL64((a40^d0), 3);
    b3 = ROL64((a21^d1), 45);
    b4 = ROL64((a02^d2), 61);
    b0 = ROL64((a33^d3), 28);
    b1 = ROL64((a14^d4), 20);
    a40 =   b0 ^((~b1)&  b2 );
    a21 =   b1 ^((~b2)&  b3 );
    a02 =   b2 ^((~b3)&  b4 );
    a33 =   b3 ^((~b4)&  b0 );
    a14 =   b4 ^((~b0)&  b1 );

    b4 = ROL64((a30^d0), 18);
    b0 = ROL64((a11^d1), 1);
    b1 = ROL64((a42^d2), 6);
    b2 = ROL64((a23^d3), 25);
    b3 = ROL64((a04^d4), 8);
    a30 =   b0 ^((~b1)&  b2 );
    a11 =   b1 ^((~b2)&  b3 );
    a42 =   b2 ^((~b3)&  b4 );
    a23 =   b3 ^((~b4)&  b0 );
    a04 =   b4 ^((~b0)&  b1 );

    b1 = ROL64((a20^d0), 36);
    b2 = ROL64((a01^d1), 10);
    b3 = ROL64((a32^d2), 15);
    b4 = ROL64((a13^d3), 56);
    b0 = ROL64((a44^d4), 27);
    a20 =   b0 ^((~b1)&  b2 );
    a01 =   b1 ^((~b2)&  b3 );
    a32 =   b2 ^((~b3)&  b4 );
    a13 =   b3 ^((~b4)&  b0 );
    a44 =   b4 ^((~b0)&  b1 );

    b3 = ROL64((a10^d0), 41);
    b4 = ROL64((a41^d1), 2);
    b0 = ROL64((a22^d2), 62);
    b1 = ROL64((a03^d3), 55);
    b2 = ROL64((a34^d4), 39);
    a10 =   b0 ^((~b1)&  b2 );
    a41 =   b1 ^((~b2)&  b3 );
    a22 =   b2 ^((~b3)&  b4 );
    a03 =   b3 ^((~b4)&  b0 );
    a34 =   b4 ^((~b0)&  b1 );

    c0 = a00^a40^a30^a20^a10;
    c1 = a31^a21^a11^a01^a41;
    c2 = a12^a02^a42^a32^a22;
    c3 = a43^a33^a23^a13^a03;
    c4 = a24^a14^a04^a44^a34;
    d0 = c4^ROL64(c1, 1);
    d1 = c0^ROL64(c2, 1);
    d2 = c1^ROL64(c3, 1);
    d3 = c2^ROL64(c4, 1);
    d4 = c3^ROL64(c0, 1);

    b0 = (a00^d0);
    b1 = ROL64((a21^d1), 44);
    b2 = ROL64((a42^d2), 43);
    b3 = ROL64((a13^d3), 21);
    b4 = ROL64((a34^d4), 14);
    a00 =   b0 ^((~b1)&  b2 );
    a00 ^= RC[i+2];
    a21 =   b1 ^((~b2)&  b3 );
    a42 =   b2 ^((~b3)&  b4 );
    a13 =   b3 ^((~b4)&  b0 );
    a34 =   b4 ^((~b0)&  b1 );

    b2 = ROL64((a30^d0), 3);
    b3 = ROL64((a01^d1), 45);
    b4 = ROL64((a22^d2), 61);
    b0 = ROL64((a43^d3), 28);
    b1 = ROL64((a14^d4), 20);
    a30 =   b0 ^((~b1)&  b2 );
    a01 =   b1 ^((~b2)&  b3 );
    a22 =   b2 ^((~b3)&  b4 );
    a43 =   b3 ^((~b4)&  b0 );
    a14 =   b4 ^((~b0)&  b1 );

    b4 = ROL64((a10^d0), 18);
    b0 = ROL64((a31^d1), 1);
    b1 = ROL64((a02^d2), 6);
    b2 = ROL64((a23^d3), 25);
    b3 = ROL64((a44^d4), 8);
    a10 =   b0 ^((~b1)&  b2 );
    a31 =   b1 ^((~b2)&  b3 );
    a02 =   b2 ^((~b3)&  b4 );
    a23 =   b3 ^((~b4)&  b0 );
    a44 =   b4 ^((~b0)&  b1 );

    b1 = ROL64((a40^d0), 36);
    b2 = ROL64((a11^d1), 10);
    b3 = ROL64((a32^d2), 15);
    b4 = ROL64((a03^d3), 56);
    b0 = ROL64((a24^d4), 27);
    a40 =   b0 ^((~b1)&  b2 );
    a11 =   b1 ^((~b2)&  b3 );
    a32 =   b2 ^((~b3)&  b4 );
    a03 =   b3 ^((~b4)&  b0 );
    a24 =   b4 ^((~b0)&  b1 );

    b3 = ROL64((a20^d0), 41);
    b4 = ROL64((a41^d1), 2);
    b0 = ROL64((a12^d2), 62);
    b1 = ROL64((a33^d3), 55);
    b2 = ROL64((a04^d4), 39);
    a20 =   b0 ^((~b1)&  b2 );
    a41 =   b1 ^((~b2)&  b3 );
    a12 =   b2 ^((~b3)&  b4 );
    a33 =   b3 ^((~b4)&  b0 );
    a04 =   b4 ^((~b0)&  b1 );

    c0 = a00^a30^a10^a40^a20;
    c1 = a21^a01^a31^a11^a41;
    c2 = a42^a22^a02^a32^a12;
    c3 = a13^a43^a23^a03^a33;
    c4 = a34^a14^a44^a24^a04;
    d0 = c4^ROL64(c1, 1);
    d1 = c0^ROL64(c2, 1);
    d2 = c1^ROL64(c3, 1);
    d3 = c2^ROL64(c4, 1);
    d4 = c3^ROL64(c0, 1);

    b0 = (a00^d0);
    b1 = ROL64((a01^d1), 44);
    b2 = ROL64((a02^d2), 43);
    b3 = ROL64((a03^d3), 21);
    b4 = ROL64((a04^d4), 14);
    a00 =   b0 ^((~b1)&  b2 );
    a00 ^= RC[i+3];
    a01 =   b1 ^((~b2)&  b3 );
    a02 =   b2 ^((~b3)&  b4 );
    a03 =   b3 ^((~b4)&  b0 );
    a04 =   b4 ^((~b0)&  b1 );

    b2 = ROL64((a10^d0), 3);
    b3 = ROL64((a11^d1), 45);
    b4 = ROL64((a12^d2), 61);
    b0 = ROL64((a13^d3), 28);
    b1 = ROL64((a14^d4), 20);
    a10 =   b0 ^((~b1)&  b2 );
    a11 =   b1 ^((~b2)&  b3 );
    a12 =   b2 ^((~b3)&  b4 );
    a13 =   b3 ^((~b4)&  b0 );
    a14 =   b4 ^((~b0)&  b1 );

    b4 = ROL64((a20^d0), 18);
    b0 = ROL64((a21^d1), 1);
    b1 = ROL64((a22^d2), 6);
    b2 = ROL64((a23^d3), 25);
    b3 = ROL64((a24^d4), 8);
    a20 =   b0 ^((~b1)&  b2 );
    a21 =   b1 ^((~b2)&  b3 );
    a22 =   b2 ^((~b3)&  b4 );
    a23 =   b3 ^((~b4)&  b0 );
    a24 =   b4 ^((~b0)&  b1 );

    b1 = ROL64((a30^d0), 36);
    b2 = ROL64((a31^d1), 10);
    b3 = ROL64((a32^d2), 15);
    b4 = ROL64((a33^d3), 56);
    b0 = ROL64((a34^d4), 27);
    a30 =   b0 ^((~b1)&  b2 );
    a31 =   b1 ^((~b2)&  b3 );
    a32 =   b2 ^((~b3)&  b4 );
    a33 =   b3 ^((~b4)&  b0 );
    a34 =   b4 ^((~b0)&  b1 );

    b3 = ROL64((a40^d0), 41);
    b4 = ROL64((a41^d1), 2);
    b0 = ROL64((a42^d2), 62);
    b1 = ROL64((a43^d3), 55);
    b2 = ROL64((a44^d4), 39);
    a40 =   b0 ^((~b1)&  b2 );
    a41 =   b1 ^((~b2)&  b3 );
    a42 =   b2 ^((~b3)&  b4 );
    a43 =   b3 ^((~b4)&  b0 );
    a44 =   b4 ^((~b0)&  b1 );
  }
}

/*
** Initialize a new hash.  iSize determines the size of the hash
** in bits and should be one of 224, 256, 384, or 512.  Or iSize
** can be zero to use the default hash size of 256 bits.