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| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2020-07-04 16:42:57 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2020-07-04 16:42:57 +0700 |
| commit | b27bcfb49d403d9c0d4f4924de5f869db1c041cc (patch) | |
| tree | 72c3a1bae971caa7575c1bb54fb9baa30d51ca36 /crypto/src/math/ec/custom/sec/SecP521R1Curve.cs | |
| parent | Blind the inversion when normalizing (diff) | |
| download | BouncyCastle.NET-ed25519-b27bcfb49d403d9c0d4f4924de5f869db1c041cc.tar.xz | |
EC updates from bc-java
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecP521R1Curve.cs')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecP521R1Curve.cs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP521R1Curve.cs b/crypto/src/math/ec/custom/sec/SecP521R1Curve.cs index 28db11aea..143176b10 100644 --- a/crypto/src/math/ec/custom/sec/SecP521R1Curve.cs +++ b/crypto/src/math/ec/custom/sec/SecP521R1Curve.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 @@ -92,6 +93,20 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec return new SecP521R1LookupTable(this, table, len); } + public override ECFieldElement RandomFieldElement(SecureRandom r) + { + uint[] x = Nat.Create(17); + SecP521R1Field.Random(r, x); + return new SecP521R1FieldElement(x); + } + + public override ECFieldElement RandomFieldElementMult(SecureRandom r) + { + uint[] x = Nat.Create(17); + SecP521R1Field.RandomMult(r, x); + return new SecP521R1FieldElement(x); + } + private class SecP521R1LookupTable : AbstractECLookupTable { |