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Andrey K. Choi
2025-10-09 09:57:24 +09:00
commit 4d551bd74f
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35
output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Math/Raw/Nat512.cs Normal file
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namespace Org.BouncyCastle.Math.Raw;
internal abstract class Nat512
{
public static void Mul(uint[] x, uint[] y, uint[] zz)
{
Nat256.Mul(x, y, zz);
Nat256.Mul(x, 8, y, 8, zz, 16);
uint num = Nat256.AddToEachOther(zz, 8, zz, 16);
uint cIn = num + Nat256.AddTo(zz, 0, zz, 8, 0u);
num += Nat256.AddTo(zz, 24, zz, 16, cIn);
uint[] array = Nat256.Create();
uint[] array2 = Nat256.Create();
bool flag = Nat256.Diff(x, 8, x, 0, array, 0) != Nat256.Diff(y, 8, y, 0, array2, 0);
uint[] array3 = Nat256.CreateExt();
Nat256.Mul(array, array2, array3);
num += (uint)(flag ? ((int)Nat.AddTo(16, array3, 0, zz, 8)) : Nat.SubFrom(16, array3, 0, zz, 8));
Nat.AddWordAt(32, num, zz, 24);
}
public static void Square(uint[] x, uint[] zz)
{
Nat256.Square(x, zz);
Nat256.Square(x, 8, zz, 16);
uint num = Nat256.AddToEachOther(zz, 8, zz, 16);
uint cIn = num + Nat256.AddTo(zz, 0, zz, 8, 0u);
num += Nat256.AddTo(zz, 24, zz, 16, cIn);
uint[] array = Nat256.Create();
Nat256.Diff(x, 8, x, 0, array, 0);
uint[] array2 = Nat256.CreateExt();
Nat256.Square(array, array2);
num += (uint)Nat.SubFrom(16, array2, 0, zz, 8);
Nat.AddWordAt(32, num, zz, 24);
}
}