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Perform memcpy in RunCode 'manually'
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@tuokri
tuokri committed Aug 12, 2024
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82 changes: 79 additions & 3 deletions Classes/FCryptoEC_Prime.uc
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Original file line number Diff line number Diff line change
Expand Up @@ -253,11 +253,87 @@ static final function int RunCode(
*/
// memcpy(t[P1x], P1->c, 3 * I15_LEN * sizeof(uint16_t));
// memcpy(t[P2x], P2->c, 3 * I15_LEN * sizeof(uint16_t));
// TODO: need static memcpy for these array sizes.
// class'FCryptoMemory'.static.MemCpy_Jacobian_Monty(T[`P1x], P1.C, 222);
// class'FCryptoMemory'.static.MemCpy_Jacobian_Monty(T[`P2x], P2.C, 222);
T[`P1x].X[ 0] = P1.C[0].X[ 0]; T[`P1y].X[ 0] = P1.C[1].X[ 0]; T[`P1z].X[ 0] = P1.C[2].X[ 0];
T[`P1x].X[ 1] = P1.C[0].X[ 1]; T[`P1y].X[ 1] = P1.C[1].X[ 1]; T[`P1z].X[ 1] = P1.C[2].X[ 1];
T[`P1x].X[ 2] = P1.C[0].X[ 2]; T[`P1y].X[ 2] = P1.C[1].X[ 2]; T[`P1z].X[ 2] = P1.C[2].X[ 2];
T[`P1x].X[ 3] = P1.C[0].X[ 3]; T[`P1y].X[ 3] = P1.C[1].X[ 3]; T[`P1z].X[ 3] = P1.C[2].X[ 3];
T[`P1x].X[ 4] = P1.C[0].X[ 4]; T[`P1y].X[ 4] = P1.C[1].X[ 4]; T[`P1z].X[ 4] = P1.C[2].X[ 4];
T[`P1x].X[ 5] = P1.C[0].X[ 5]; T[`P1y].X[ 5] = P1.C[1].X[ 5]; T[`P1z].X[ 5] = P1.C[2].X[ 5];
T[`P1x].X[ 6] = P1.C[0].X[ 6]; T[`P1y].X[ 6] = P1.C[1].X[ 6]; T[`P1z].X[ 6] = P1.C[2].X[ 6];
T[`P1x].X[ 7] = P1.C[0].X[ 7]; T[`P1y].X[ 7] = P1.C[1].X[ 7]; T[`P1z].X[ 7] = P1.C[2].X[ 7];
T[`P1x].X[ 8] = P1.C[0].X[ 8]; T[`P1y].X[ 8] = P1.C[1].X[ 8]; T[`P1z].X[ 8] = P1.C[2].X[ 8];
T[`P1x].X[ 9] = P1.C[0].X[ 9]; T[`P1y].X[ 9] = P1.C[1].X[ 9]; T[`P1z].X[ 9] = P1.C[2].X[ 9];
T[`P1x].X[10] = P1.C[0].X[10]; T[`P1y].X[10] = P1.C[1].X[10]; T[`P1z].X[10] = P1.C[2].X[10];
T[`P1x].X[11] = P1.C[0].X[11]; T[`P1y].X[11] = P1.C[1].X[11]; T[`P1z].X[11] = P1.C[2].X[11];
T[`P1x].X[12] = P1.C[0].X[12]; T[`P1y].X[12] = P1.C[1].X[12]; T[`P1z].X[12] = P1.C[2].X[12];
T[`P1x].X[13] = P1.C[0].X[13]; T[`P1y].X[13] = P1.C[1].X[13]; T[`P1z].X[13] = P1.C[2].X[13];
T[`P1x].X[14] = P1.C[0].X[14]; T[`P1y].X[14] = P1.C[1].X[14]; T[`P1z].X[14] = P1.C[2].X[14];
T[`P1x].X[15] = P1.C[0].X[15]; T[`P1y].X[15] = P1.C[1].X[15]; T[`P1z].X[15] = P1.C[2].X[15];
T[`P1x].X[16] = P1.C[0].X[16]; T[`P1y].X[16] = P1.C[1].X[16]; T[`P1z].X[16] = P1.C[2].X[16];
T[`P1x].X[17] = P1.C[0].X[17]; T[`P1y].X[17] = P1.C[1].X[17]; T[`P1z].X[17] = P1.C[2].X[17];
T[`P1x].X[18] = P1.C[0].X[18]; T[`P1y].X[18] = P1.C[1].X[18]; T[`P1z].X[18] = P1.C[2].X[18];
T[`P1x].X[19] = P1.C[0].X[19]; T[`P1y].X[19] = P1.C[1].X[19]; T[`P1z].X[19] = P1.C[2].X[19];
T[`P1x].X[20] = P1.C[0].X[20]; T[`P1y].X[20] = P1.C[1].X[20]; T[`P1z].X[20] = P1.C[2].X[20];
T[`P1x].X[21] = P1.C[0].X[21]; T[`P1y].X[21] = P1.C[1].X[21]; T[`P1z].X[21] = P1.C[2].X[21];
T[`P1x].X[22] = P1.C[0].X[22]; T[`P1y].X[22] = P1.C[1].X[22]; T[`P1z].X[22] = P1.C[2].X[22];
T[`P1x].X[23] = P1.C[0].X[23]; T[`P1y].X[23] = P1.C[1].X[23]; T[`P1z].X[23] = P1.C[2].X[23];
T[`P1x].X[24] = P1.C[0].X[24]; T[`P1y].X[24] = P1.C[1].X[24]; T[`P1z].X[24] = P1.C[2].X[24];
T[`P1x].X[25] = P1.C[0].X[25]; T[`P1y].X[25] = P1.C[1].X[25]; T[`P1z].X[25] = P1.C[2].X[25];
T[`P1x].X[26] = P1.C[0].X[26]; T[`P1y].X[26] = P1.C[1].X[26]; T[`P1z].X[26] = P1.C[2].X[26];
T[`P1x].X[27] = P1.C[0].X[27]; T[`P1y].X[27] = P1.C[1].X[27]; T[`P1z].X[27] = P1.C[2].X[27];
T[`P1x].X[28] = P1.C[0].X[28]; T[`P1y].X[28] = P1.C[1].X[28]; T[`P1z].X[28] = P1.C[2].X[28];
T[`P1x].X[29] = P1.C[0].X[29]; T[`P1y].X[29] = P1.C[1].X[29]; T[`P1z].X[29] = P1.C[2].X[29];
T[`P1x].X[30] = P1.C[0].X[30]; T[`P1y].X[30] = P1.C[1].X[30]; T[`P1z].X[30] = P1.C[2].X[30];
T[`P1x].X[31] = P1.C[0].X[31]; T[`P1y].X[31] = P1.C[1].X[31]; T[`P1z].X[31] = P1.C[2].X[31];
T[`P1x].X[32] = P1.C[0].X[32]; T[`P1y].X[32] = P1.C[1].X[32]; T[`P1z].X[32] = P1.C[2].X[32];
T[`P1x].X[33] = P1.C[0].X[33]; T[`P1y].X[33] = P1.C[1].X[33]; T[`P1z].X[33] = P1.C[2].X[33];
T[`P1x].X[34] = P1.C[0].X[34]; T[`P1y].X[34] = P1.C[1].X[34]; T[`P1z].X[34] = P1.C[2].X[34];
T[`P1x].X[35] = P1.C[0].X[35]; T[`P1y].X[35] = P1.C[1].X[35]; T[`P1z].X[35] = P1.C[2].X[35];
T[`P1x].X[36] = P1.C[0].X[36]; T[`P1y].X[36] = P1.C[1].X[36]; T[`P1z].X[36] = P1.C[2].X[36];

T[`P2x].X[ 0] = P2.C[0].X[ 0]; T[`P2y].X[ 0] = P2.C[1].X[ 0]; T[`P2z].X[ 0] = P2.C[2].X[ 0];
T[`P2x].X[ 1] = P2.C[0].X[ 1]; T[`P2y].X[ 1] = P2.C[1].X[ 1]; T[`P2z].X[ 1] = P2.C[2].X[ 1];
T[`P2x].X[ 2] = P2.C[0].X[ 2]; T[`P2y].X[ 2] = P2.C[1].X[ 2]; T[`P2z].X[ 2] = P2.C[2].X[ 2];
T[`P2x].X[ 3] = P2.C[0].X[ 3]; T[`P2y].X[ 3] = P2.C[1].X[ 3]; T[`P2z].X[ 3] = P2.C[2].X[ 3];
T[`P2x].X[ 4] = P2.C[0].X[ 4]; T[`P2y].X[ 4] = P2.C[1].X[ 4]; T[`P2z].X[ 4] = P2.C[2].X[ 4];
T[`P2x].X[ 5] = P2.C[0].X[ 5]; T[`P2y].X[ 5] = P2.C[1].X[ 5]; T[`P2z].X[ 5] = P2.C[2].X[ 5];
T[`P2x].X[ 6] = P2.C[0].X[ 6]; T[`P2y].X[ 6] = P2.C[1].X[ 6]; T[`P2z].X[ 6] = P2.C[2].X[ 6];
T[`P2x].X[ 7] = P2.C[0].X[ 7]; T[`P2y].X[ 7] = P2.C[1].X[ 7]; T[`P2z].X[ 7] = P2.C[2].X[ 7];
T[`P2x].X[ 8] = P2.C[0].X[ 8]; T[`P2y].X[ 8] = P2.C[1].X[ 8]; T[`P2z].X[ 8] = P2.C[2].X[ 8];
T[`P2x].X[ 9] = P2.C[0].X[ 9]; T[`P2y].X[ 9] = P2.C[1].X[ 9]; T[`P2z].X[ 9] = P2.C[2].X[ 9];
T[`P2x].X[10] = P2.C[0].X[10]; T[`P2y].X[10] = P2.C[1].X[10]; T[`P2z].X[10] = P2.C[2].X[10];
T[`P2x].X[11] = P2.C[0].X[11]; T[`P2y].X[11] = P2.C[1].X[11]; T[`P2z].X[11] = P2.C[2].X[11];
T[`P2x].X[12] = P2.C[0].X[12]; T[`P2y].X[12] = P2.C[1].X[12]; T[`P2z].X[12] = P2.C[2].X[12];
T[`P2x].X[13] = P2.C[0].X[13]; T[`P2y].X[13] = P2.C[1].X[13]; T[`P2z].X[13] = P2.C[2].X[13];
T[`P2x].X[14] = P2.C[0].X[14]; T[`P2y].X[14] = P2.C[1].X[14]; T[`P2z].X[14] = P2.C[2].X[14];
T[`P2x].X[15] = P2.C[0].X[15]; T[`P2y].X[15] = P2.C[1].X[15]; T[`P2z].X[15] = P2.C[2].X[15];
T[`P2x].X[16] = P2.C[0].X[16]; T[`P2y].X[16] = P2.C[1].X[16]; T[`P2z].X[16] = P2.C[2].X[16];
T[`P2x].X[17] = P2.C[0].X[17]; T[`P2y].X[17] = P2.C[1].X[17]; T[`P2z].X[17] = P2.C[2].X[17];
T[`P2x].X[18] = P2.C[0].X[18]; T[`P2y].X[18] = P2.C[1].X[18]; T[`P2z].X[18] = P2.C[2].X[18];
T[`P2x].X[19] = P2.C[0].X[19]; T[`P2y].X[19] = P2.C[1].X[19]; T[`P2z].X[19] = P2.C[2].X[19];
T[`P2x].X[20] = P2.C[0].X[20]; T[`P2y].X[20] = P2.C[1].X[20]; T[`P2z].X[20] = P2.C[2].X[20];
T[`P2x].X[21] = P2.C[0].X[21]; T[`P2y].X[21] = P2.C[1].X[21]; T[`P2z].X[21] = P2.C[2].X[21];
T[`P2x].X[22] = P2.C[0].X[22]; T[`P2y].X[22] = P2.C[1].X[22]; T[`P2z].X[22] = P2.C[2].X[22];
T[`P2x].X[23] = P2.C[0].X[23]; T[`P2y].X[23] = P2.C[1].X[23]; T[`P2z].X[23] = P2.C[2].X[23];
T[`P2x].X[24] = P2.C[0].X[24]; T[`P2y].X[24] = P2.C[1].X[24]; T[`P2z].X[24] = P2.C[2].X[24];
T[`P2x].X[25] = P2.C[0].X[25]; T[`P2y].X[25] = P2.C[1].X[25]; T[`P2z].X[25] = P2.C[2].X[25];
T[`P2x].X[26] = P2.C[0].X[26]; T[`P2y].X[26] = P2.C[1].X[26]; T[`P2z].X[26] = P2.C[2].X[26];
T[`P2x].X[27] = P2.C[0].X[27]; T[`P2y].X[27] = P2.C[1].X[27]; T[`P2z].X[27] = P2.C[2].X[27];
T[`P2x].X[28] = P2.C[0].X[28]; T[`P2y].X[28] = P2.C[1].X[28]; T[`P2z].X[28] = P2.C[2].X[28];
T[`P2x].X[29] = P2.C[0].X[29]; T[`P2y].X[29] = P2.C[1].X[29]; T[`P2z].X[29] = P2.C[2].X[29];
T[`P2x].X[30] = P2.C[0].X[30]; T[`P2y].X[30] = P2.C[1].X[30]; T[`P2z].X[30] = P2.C[2].X[30];
T[`P2x].X[31] = P2.C[0].X[31]; T[`P2y].X[31] = P2.C[1].X[31]; T[`P2z].X[31] = P2.C[2].X[31];
T[`P2x].X[32] = P2.C[0].X[32]; T[`P2y].X[32] = P2.C[1].X[32]; T[`P2z].X[32] = P2.C[2].X[32];
T[`P2x].X[33] = P2.C[0].X[33]; T[`P2y].X[33] = P2.C[1].X[33]; T[`P2z].X[33] = P2.C[2].X[33];
T[`P2x].X[34] = P2.C[0].X[34]; T[`P2y].X[34] = P2.C[1].X[34]; T[`P2z].X[34] = P2.C[2].X[34];
T[`P2x].X[35] = P2.C[0].X[35]; T[`P2y].X[35] = P2.C[1].X[35]; T[`P2z].X[35] = P2.C[2].X[35];
T[`P2x].X[36] = P2.C[0].X[36]; T[`P2y].X[36] = P2.C[1].X[36]; T[`P2z].X[36] = P2.C[2].X[36];

/*
* Run formulas.
*/
* Run formulas.
*/
for (U = 0; True; ++U)
{
Op = Code[U];
Expand Down
27 changes: 27 additions & 0 deletions Classes/FCryptoMemory.uc
View file
Original file line number Diff line number Diff line change
Expand Up @@ -175,3 +175,30 @@ static final function MemSet_SBytes64(
S[ByteIndex] = C;
}
}

// TODO: is this even needed?
// // Specialized for FCryptoEC_Prime.Jacobian 2D arrays.
// static final function MemCpy_Jacobian_Monty(
// out FCryptoEC_Prime._Monty Dst,
// const out FCryptoEC_Prime._Monty Src[3],
// int NumBytes
// )
// {
// local int DstIdx;
// local int SrcIdx_0;
// local int SrcIdx_1;

// // Start with first sub-array, copy items until NumBytes
// // satisfied, moving to next sub-array as needed.

// // TODO: probably also need a temporary byte array for this.

// DstIdx = 0;
// SrcIdx_0 = 0;
// SrcIdx_1 = 0;
// while (NumBytes > 0)
// {
// Dst.X[DstIdx++] = Src[SrcIdx_0].X[SrcIdx_1];
// --NumBytes;
// }
// }

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