46     DWORD t1[KEY_LENGTH_DWORDS_P256];  in ECC_Double()  local
65     multiprecision_mersenns_squa_mod(t1, z1, keyLength);  // t1=z1^2  in ECC_Double()
66     multiprecision_sub_mod(t2, x1, t1, keyLength);  // t2=x1-t1  in ECC_Double()
67     multiprecision_add_mod(t1, x1, t1, keyLength);  // t1=x1+t1  in ECC_Double()
68     multiprecision_mersenns_mult_mod(t2, t1, t2, keyLength);  // t2=t2*t1  in ECC_Double()
83     multiprecision_lshift_mod(t1, t3, keyLength);                // t1=2t3  in ECC_Double()
84     multiprecision_sub_mod(x3, x3, t1, keyLength);               // x3=x3-t1  in ECC_Double()
85     multiprecision_sub_mod(t1, t3, x3, keyLength);               // t1=t3-x3  in ECC_Double()
86     multiprecision_mersenns_mult_mod(t1, t1, t2, keyLength);  // t1=t1*t2  in ECC_Double()
87     multiprecision_sub_mod(y3, t1, y3, keyLength);               // y3=t1-y3  in ECC_Double()
93     DWORD t1[KEY_LENGTH_DWORDS_P256];  in ECC_Add()  local
123     multiprecision_mersenns_squa_mod(t1, z1, keyLength);      // t1=z1^2  in ECC_Add()
124     multiprecision_mersenns_mult_mod(t2, z1, t1, keyLength);  // t2=t1*z1  in ECC_Add()
125     multiprecision_mersenns_mult_mod(t1, x2, t1, keyLength);  // t1=t1*x2  in ECC_Add()
128     multiprecision_sub_mod(t1, t1, x1, keyLength);  // t1=t1-x1  in ECC_Add()
131     if (multiprecision_iszero(t1, keyLength))  in ECC_Add()
145     multiprecision_mersenns_mult_mod(z3, z1, t1, keyLength);  // z3=z1*t1  in ECC_Add()
146     multiprecision_mersenns_squa_mod(y3, t1, keyLength);      // t3=t1^2  in ECC_Add()
147     multiprecision_mersenns_mult_mod(z1, y3, t1, keyLength);  // t4=t3*t1  in ECC_Add()
149     multiprecision_lshift_mod(t1, y3, keyLength);            // t1=2*t3  in ECC_Add()
151     multiprecision_sub_mod(x3, x3, t1, keyLength);           // x3=x3-t1  in ECC_Add()