-#ifdef EIGHT_BIT
-static void bn_GF2m_mul_1x1(BN_ULONG *r1, BN_ULONG *r0, const BN_ULONG a, const BN_ULONG b)
- {
- register BN_ULONG h, l, s;
- BN_ULONG tab[4], top1b = a >> 7;
- register BN_ULONG a1, a2;
-
- a1 = a & (0x7F); a2 = a1 << 1;
-
- tab[0] = 0; tab[1] = a1; tab[2] = a2; tab[3] = a1^a2;
-
- s = tab[b & 0x3]; l = s;
- s = tab[b >> 2 & 0x3]; l ^= s << 2; h = s >> 6;
- s = tab[b >> 4 & 0x3]; l ^= s << 4; h ^= s >> 4;
- s = tab[b >> 6 ]; l ^= s << 6; h ^= s >> 2;
-
- /* compensate for the top bit of a */
-
- if (top1b & 01) { l ^= b << 7; h ^= b >> 1; }
-
- *r1 = h; *r0 = l;
- }
-#endif
-#ifdef SIXTEEN_BIT
-static void bn_GF2m_mul_1x1(BN_ULONG *r1, BN_ULONG *r0, const BN_ULONG a, const BN_ULONG b)
- {
- register BN_ULONG h, l, s;
- BN_ULONG tab[4], top1b = a >> 15;
- register BN_ULONG a1, a2;
-
- a1 = a & (0x7FFF); a2 = a1 << 1;
-
- tab[0] = 0; tab[1] = a1; tab[2] = a2; tab[3] = a1^a2;
-
- s = tab[b & 0x3]; l = s;
- s = tab[b >> 2 & 0x3]; l ^= s << 2; h = s >> 14;
- s = tab[b >> 4 & 0x3]; l ^= s << 4; h ^= s >> 12;
- s = tab[b >> 6 & 0x3]; l ^= s << 6; h ^= s >> 10;
- s = tab[b >> 8 & 0x3]; l ^= s << 8; h ^= s >> 8;
- s = tab[b >>10 & 0x3]; l ^= s << 10; h ^= s >> 6;
- s = tab[b >>12 & 0x3]; l ^= s << 12; h ^= s >> 4;
- s = tab[b >>14 ]; l ^= s << 14; h ^= s >> 2;
-
- /* compensate for the top bit of a */
-
- if (top1b & 01) { l ^= b << 15; h ^= b >> 1; }
-
- *r1 = h; *r0 = l;
- }
-#endif
-#ifdef THIRTY_TWO_BIT
-static void bn_GF2m_mul_1x1(BN_ULONG *r1, BN_ULONG *r0, const BN_ULONG a, const BN_ULONG b)
- {
- register BN_ULONG h, l, s;
- BN_ULONG tab[8], top2b = a >> 30;
- register BN_ULONG a1, a2, a4;
-
- a1 = a & (0x3FFFFFFF); a2 = a1 << 1; a4 = a2 << 1;
-
- tab[0] = 0; tab[1] = a1; tab[2] = a2; tab[3] = a1^a2;
- tab[4] = a4; tab[5] = a1^a4; tab[6] = a2^a4; tab[7] = a1^a2^a4;
-
- s = tab[b & 0x7]; l = s;
- s = tab[b >> 3 & 0x7]; l ^= s << 3; h = s >> 29;
- s = tab[b >> 6 & 0x7]; l ^= s << 6; h ^= s >> 26;
- s = tab[b >> 9 & 0x7]; l ^= s << 9; h ^= s >> 23;
- s = tab[b >> 12 & 0x7]; l ^= s << 12; h ^= s >> 20;
- s = tab[b >> 15 & 0x7]; l ^= s << 15; h ^= s >> 17;
- s = tab[b >> 18 & 0x7]; l ^= s << 18; h ^= s >> 14;
- s = tab[b >> 21 & 0x7]; l ^= s << 21; h ^= s >> 11;
- s = tab[b >> 24 & 0x7]; l ^= s << 24; h ^= s >> 8;
- s = tab[b >> 27 & 0x7]; l ^= s << 27; h ^= s >> 5;
- s = tab[b >> 30 ]; l ^= s << 30; h ^= s >> 2;
-
- /* compensate for the top two bits of a */
-
- if (top2b & 01) { l ^= b << 30; h ^= b >> 2; }
- if (top2b & 02) { l ^= b << 31; h ^= b >> 1; }
-
- *r1 = h; *r0 = l;
- }
-#endif
-#if defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG)
-static void bn_GF2m_mul_1x1(BN_ULONG *r1, BN_ULONG *r0, const BN_ULONG a, const BN_ULONG b)
- {
- register BN_ULONG h, l, s;
- BN_ULONG tab[16], top3b = a >> 61;
- register BN_ULONG a1, a2, a4, a8;
-
- a1 = a & (0x1FFFFFFFFFFFFFFF); a2 = a1 << 1; a4 = a2 << 1; a8 = a4 << 1;
-
- tab[ 0] = 0; tab[ 1] = a1; tab[ 2] = a2; tab[ 3] = a1^a2;
- tab[ 4] = a4; tab[ 5] = a1^a4; tab[ 6] = a2^a4; tab[ 7] = a1^a2^a4;
- tab[ 8] = a8; tab[ 9] = a1^a8; tab[10] = a2^a8; tab[11] = a1^a2^a8;
- tab[12] = a4^a8; tab[13] = a1^a4^a8; tab[14] = a2^a4^a8; tab[15] = a1^a2^a4^a8;
-
- s = tab[b & 0xF]; l = s;
- s = tab[b >> 4 & 0xF]; l ^= s << 4; h = s >> 60;
- s = tab[b >> 8 & 0xF]; l ^= s << 8; h ^= s >> 56;
- s = tab[b >> 12 & 0xF]; l ^= s << 12; h ^= s >> 52;
- s = tab[b >> 16 & 0xF]; l ^= s << 16; h ^= s >> 48;
- s = tab[b >> 20 & 0xF]; l ^= s << 20; h ^= s >> 44;
- s = tab[b >> 24 & 0xF]; l ^= s << 24; h ^= s >> 40;
- s = tab[b >> 28 & 0xF]; l ^= s << 28; h ^= s >> 36;
- s = tab[b >> 32 & 0xF]; l ^= s << 32; h ^= s >> 32;
- s = tab[b >> 36 & 0xF]; l ^= s << 36; h ^= s >> 28;
- s = tab[b >> 40 & 0xF]; l ^= s << 40; h ^= s >> 24;
- s = tab[b >> 44 & 0xF]; l ^= s << 44; h ^= s >> 20;
- s = tab[b >> 48 & 0xF]; l ^= s << 48; h ^= s >> 16;
- s = tab[b >> 52 & 0xF]; l ^= s << 52; h ^= s >> 12;
- s = tab[b >> 56 & 0xF]; l ^= s << 56; h ^= s >> 8;
- s = tab[b >> 60 ]; l ^= s << 60; h ^= s >> 4;
-
- /* compensate for the top three bits of a */
-
- if (top3b & 01) { l ^= b << 61; h ^= b >> 3; }
- if (top3b & 02) { l ^= b << 62; h ^= b >> 2; }
- if (top3b & 04) { l ^= b << 63; h ^= b >> 1; }
-
- *r1 = h; *r0 = l;
- }
-#endif
-
-/* Product of two polynomials a, b each with degree < 2 * BN_BITS2 - 1,
- * result is a polynomial r with degree < 4 * BN_BITS2 - 1
- * The caller MUST ensure that the variables have the right amount
- * of space allocated.
+# ifdef THIRTY_TWO_BIT
+static void bn_GF2m_mul_1x1(BN_ULONG *r1, BN_ULONG *r0, const BN_ULONG a,
+ const BN_ULONG b)
+{
+ register BN_ULONG h, l, s;
+ BN_ULONG tab[8], top2b = a >> 30;
+ register BN_ULONG a1, a2, a4;
+
+ a1 = a & (0x3FFFFFFF);
+ a2 = a1 << 1;
+ a4 = a2 << 1;
+
+ tab[0] = 0;
+ tab[1] = a1;
+ tab[2] = a2;
+ tab[3] = a1 ^ a2;
+ tab[4] = a4;
+ tab[5] = a1 ^ a4;
+ tab[6] = a2 ^ a4;
+ tab[7] = a1 ^ a2 ^ a4;
+
+ s = tab[b & 0x7];
+ l = s;
+ s = tab[b >> 3 & 0x7];
+ l ^= s << 3;
+ h = s >> 29;
+ s = tab[b >> 6 & 0x7];
+ l ^= s << 6;
+ h ^= s >> 26;
+ s = tab[b >> 9 & 0x7];
+ l ^= s << 9;
+ h ^= s >> 23;
+ s = tab[b >> 12 & 0x7];
+ l ^= s << 12;
+ h ^= s >> 20;
+ s = tab[b >> 15 & 0x7];
+ l ^= s << 15;
+ h ^= s >> 17;
+ s = tab[b >> 18 & 0x7];
+ l ^= s << 18;
+ h ^= s >> 14;
+ s = tab[b >> 21 & 0x7];
+ l ^= s << 21;
+ h ^= s >> 11;
+ s = tab[b >> 24 & 0x7];
+ l ^= s << 24;
+ h ^= s >> 8;
+ s = tab[b >> 27 & 0x7];
+ l ^= s << 27;
+ h ^= s >> 5;
+ s = tab[b >> 30];
+ l ^= s << 30;
+ h ^= s >> 2;
+
+ /* compensate for the top two bits of a */
+
+ if (top2b & 01) {
+ l ^= b << 30;
+ h ^= b >> 2;
+ }
+ if (top2b & 02) {
+ l ^= b << 31;
+ h ^= b >> 1;
+ }
+
+ *r1 = h;
+ *r0 = l;
+}
+# endif
+# if defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG)
+static void bn_GF2m_mul_1x1(BN_ULONG *r1, BN_ULONG *r0, const BN_ULONG a,
+ const BN_ULONG b)
+{
+ register BN_ULONG h, l, s;
+ BN_ULONG tab[16], top3b = a >> 61;
+ register BN_ULONG a1, a2, a4, a8;
+
+ a1 = a & (0x1FFFFFFFFFFFFFFFULL);
+ a2 = a1 << 1;
+ a4 = a2 << 1;
+ a8 = a4 << 1;
+
+ tab[0] = 0;
+ tab[1] = a1;
+ tab[2] = a2;
+ tab[3] = a1 ^ a2;
+ tab[4] = a4;
+ tab[5] = a1 ^ a4;
+ tab[6] = a2 ^ a4;
+ tab[7] = a1 ^ a2 ^ a4;
+ tab[8] = a8;
+ tab[9] = a1 ^ a8;
+ tab[10] = a2 ^ a8;
+ tab[11] = a1 ^ a2 ^ a8;
+ tab[12] = a4 ^ a8;
+ tab[13] = a1 ^ a4 ^ a8;
+ tab[14] = a2 ^ a4 ^ a8;
+ tab[15] = a1 ^ a2 ^ a4 ^ a8;
+
+ s = tab[b & 0xF];
+ l = s;
+ s = tab[b >> 4 & 0xF];
+ l ^= s << 4;
+ h = s >> 60;
+ s = tab[b >> 8 & 0xF];
+ l ^= s << 8;
+ h ^= s >> 56;
+ s = tab[b >> 12 & 0xF];
+ l ^= s << 12;
+ h ^= s >> 52;
+ s = tab[b >> 16 & 0xF];
+ l ^= s << 16;
+ h ^= s >> 48;
+ s = tab[b >> 20 & 0xF];
+ l ^= s << 20;
+ h ^= s >> 44;
+ s = tab[b >> 24 & 0xF];
+ l ^= s << 24;
+ h ^= s >> 40;
+ s = tab[b >> 28 & 0xF];
+ l ^= s << 28;
+ h ^= s >> 36;
+ s = tab[b >> 32 & 0xF];
+ l ^= s << 32;
+ h ^= s >> 32;
+ s = tab[b >> 36 & 0xF];
+ l ^= s << 36;
+ h ^= s >> 28;
+ s = tab[b >> 40 & 0xF];
+ l ^= s << 40;
+ h ^= s >> 24;
+ s = tab[b >> 44 & 0xF];
+ l ^= s << 44;
+ h ^= s >> 20;
+ s = tab[b >> 48 & 0xF];
+ l ^= s << 48;
+ h ^= s >> 16;
+ s = tab[b >> 52 & 0xF];
+ l ^= s << 52;
+ h ^= s >> 12;
+ s = tab[b >> 56 & 0xF];
+ l ^= s << 56;
+ h ^= s >> 8;
+ s = tab[b >> 60];
+ l ^= s << 60;
+ h ^= s >> 4;
+
+ /* compensate for the top three bits of a */
+
+ if (top3b & 01) {
+ l ^= b << 61;
+ h ^= b >> 3;
+ }
+ if (top3b & 02) {
+ l ^= b << 62;
+ h ^= b >> 2;
+ }
+ if (top3b & 04) {
+ l ^= b << 63;
+ h ^= b >> 1;
+ }
+
+ *r1 = h;
+ *r0 = l;
+}
+# endif
+
+/*
+ * Product of two polynomials a, b each with degree < 2 * BN_BITS2 - 1,
+ * result is a polynomial r with degree < 4 * BN_BITS2 - 1 The caller MUST
+ * ensure that the variables have the right amount of space allocated.