diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2023-10-25 18:05:40 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2023-10-25 18:05:40 +0700 |
| commit | 0d242969cd3b8ebdc7aca5c6eef06b157445e373 (patch) | |
| tree | acc0871cae994fff1a5b678c62b9a78dc2569d1b | |
| parent | EdDSA: extra guards against faults (diff) | |
| download | BouncyCastle.NET-ed25519-0d242969cd3b8ebdc7aca5c6eef06b157445e373.tar.xz | |
Refactoring in Ed448
| -rw-r--r-- | crypto/src/math/ec/rfc8032/Ed448.cs | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/crypto/src/math/ec/rfc8032/Ed448.cs b/crypto/src/math/ec/rfc8032/Ed448.cs index 589d532b4..aff9b5460 100644 --- a/crypto/src/math/ec/rfc8032/Ed448.cs +++ b/crypto/src/math/ec/rfc8032/Ed448.cs @@ -73,7 +73,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 0x03AC222BU, 0x0304DB8EU, 0x083EE319U, 0x05E5DB0BU, 0x0ECA503BU, 0x0B1C6539U, 0x078A8DCEU, 0x02D256BCU, 0x04A8B05EU, 0x0BD9FD57U, 0x0A1C3CB8U }; - private const int C_d = -39081; + private const uint C_d = 39081U; //private const int WnafWidth = 6; private const int WnafWidth225 = 5; @@ -136,7 +136,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 F.Sqr(p.y, v); F.Mul(u, v, t); F.Add(u, v, u); - F.Mul(t, -C_d, t); + F.Mul(t, C_d, t); F.SubOne(t); F.Add(t, u, t); F.Normalize(t); @@ -159,7 +159,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 F.Add(u, v, u); F.Mul(u, w, u); F.Sqr(w, w); - F.Mul(t, -C_d, t); + F.Mul(t, C_d, t); F.Sub(t, w, t); F.Add(t, u, t); F.Normalize(t); @@ -313,7 +313,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 uint[] v = F.Create(); F.Sqr(r.y, u); - F.Mul(u, (uint)-C_d, v); + F.Mul(u, C_d, v); F.Negate(u, u); F.AddOne(u); F.AddOne(v); @@ -888,7 +888,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 F.Mul(p.x, r.x, c); F.Mul(p.y, r.y, d); F.Mul(c, d, e); - F.Mul(e, -C_d, e); + F.Mul(e, C_d, e); //F.Apm(b, e, f, g); F.Add(b, e, f); F.Sub(b, e, g); @@ -923,7 +923,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 F.Mul(p.x, r.x, c); F.Mul(p.y, r.y, d); F.Mul(c, d, e); - F.Mul(e, -C_d, e); + F.Mul(e, C_d, e); //F.Apm(b, e, f, g); F.Add(b, e, f); F.Sub(b, e, g); @@ -968,7 +968,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 F.Mul(p.x, r.x, c); F.Mul(p.y, r.y, d); F.Mul(c, d, e); - F.Mul(e, -C_d, e); + F.Mul(e, C_d, e); //F.Apm(b, e, nf, ng); F.Add(b, e, nf); F.Sub(b, e, ng); @@ -1014,7 +1014,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 F.Mul(p.x, r.x, c); F.Mul(p.y, r.y, d); F.Mul(c, d, e); - F.Mul(e, -C_d, e); + F.Mul(e, C_d, e); //F.Apm(b, e, nf, ng); F.Add(b, e, nf); F.Sub(b, e, ng); @@ -1152,7 +1152,7 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 PointCopy(ref p, ref q); Init(out PointProjective d); - PointCopy(ref q, ref d); + PointCopy(ref p, ref d); PointDouble(ref d, ref t); uint[] table = F.CreateTable(count * 3); |