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| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2020-07-07 19:17:41 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2020-07-07 19:17:41 +0700 |
| commit | c43f275ac1aca8af3010dd4d94efa1511ca18f42 (patch) | |
| tree | 9ebad3642950a439b0bbdd70229bc895f4730b48 /crypto/src/math/ec/custom/sec/SecP128R1Curve.cs | |
| parent | EC updates from bc-java (diff) | |
| download | BouncyCastle.NET-ed25519-c43f275ac1aca8af3010dd4d94efa1511ca18f42.tar.xz | |
Fermat inversion for all custom curves
- also customized random FE gen
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecP128R1Curve.cs')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecP128R1Curve.cs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP128R1Curve.cs b/crypto/src/math/ec/custom/sec/SecP128R1Curve.cs index e92aca75b..b4a150ca0 100644 --- a/crypto/src/math/ec/custom/sec/SecP128R1Curve.cs +++ b/crypto/src/math/ec/custom/sec/SecP128R1Curve.cs @@ -1,6 +1,7 @@ using System; using Org.BouncyCastle.Math.Raw; +using Org.BouncyCastle.Security; using Org.BouncyCastle.Utilities.Encoders; namespace Org.BouncyCastle.Math.EC.Custom.Sec @@ -93,6 +94,20 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec return new SecP128R1LookupTable(this, table, len); } + public override ECFieldElement RandomFieldElement(SecureRandom r) + { + uint[] x = Nat128.Create(); + SecP128R1Field.Random(r, x); + return new SecP128R1FieldElement(x); + } + + public override ECFieldElement RandomFieldElementMult(SecureRandom r) + { + uint[] x = Nat128.Create(); + SecP128R1Field.RandomMult(r, x); + return new SecP128R1FieldElement(x); + } + private class SecP128R1LookupTable : AbstractECLookupTable { |