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104 lines
2.5 KiB
104 lines
2.5 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
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#pragma warning disable |
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using System; |
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using System.Diagnostics; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Math.Raw |
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{ |
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internal abstract class Nat576 |
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{ |
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public static void Copy64(ulong[] x, ulong[] z) |
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{ |
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z[0] = x[0]; |
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z[1] = x[1]; |
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z[2] = x[2]; |
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z[3] = x[3]; |
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z[4] = x[4]; |
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z[5] = x[5]; |
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z[6] = x[6]; |
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z[7] = x[7]; |
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z[8] = x[8]; |
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} |
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public static void Copy64(ulong[] x, int xOff, ulong[] z, int zOff) |
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{ |
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z[zOff + 0] = x[xOff + 0]; |
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z[zOff + 1] = x[xOff + 1]; |
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z[zOff + 2] = x[xOff + 2]; |
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z[zOff + 3] = x[xOff + 3]; |
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z[zOff + 4] = x[xOff + 4]; |
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z[zOff + 5] = x[xOff + 5]; |
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z[zOff + 6] = x[xOff + 6]; |
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z[zOff + 7] = x[xOff + 7]; |
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z[zOff + 8] = x[xOff + 8]; |
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} |
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public static ulong[] Create64() |
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{ |
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return new ulong[9]; |
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} |
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public static ulong[] CreateExt64() |
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{ |
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return new ulong[18]; |
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} |
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public static bool Eq64(ulong[] x, ulong[] y) |
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{ |
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for (int i = 8; i >= 0; --i) |
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{ |
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if (x[i] != y[i]) |
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{ |
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return false; |
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} |
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} |
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return true; |
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} |
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public static bool IsOne64(ulong[] x) |
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{ |
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if (x[0] != 1UL) |
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{ |
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return false; |
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} |
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for (int i = 1; i < 9; ++i) |
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{ |
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if (x[i] != 0UL) |
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{ |
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return false; |
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} |
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} |
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return true; |
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} |
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public static bool IsZero64(ulong[] x) |
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{ |
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for (int i = 0; i < 9; ++i) |
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{ |
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if (x[i] != 0UL) |
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{ |
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return false; |
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} |
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} |
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return true; |
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} |
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public static BigInteger ToBigInteger64(ulong[] x) |
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{ |
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byte[] bs = new byte[72]; |
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for (int i = 0; i < 9; ++i) |
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{ |
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ulong x_i = x[i]; |
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if (x_i != 0L) |
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{ |
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Pack.UInt64_To_BE(x_i, bs, (8 - i) << 3); |
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} |
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} |
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return new BigInteger(1, bs); |
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} |
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} |
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} |
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#pragma warning restore |
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#endif
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