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71 lines
2.6 KiB
71 lines
2.6 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 BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters |
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{ |
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/// <summary>Private parameters for an SM2 key exchange.</summary> |
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/// <remarks>The ephemeralPrivateKey is used to calculate the random point used in the algorithm.</remarks> |
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public class SM2KeyExchangePrivateParameters |
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: ICipherParameters |
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{ |
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private readonly bool mInitiator; |
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private readonly ECPrivateKeyParameters mStaticPrivateKey; |
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private readonly ECPoint mStaticPublicPoint; |
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private readonly ECPrivateKeyParameters mEphemeralPrivateKey; |
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private readonly ECPoint mEphemeralPublicPoint; |
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public SM2KeyExchangePrivateParameters( |
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bool initiator, |
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ECPrivateKeyParameters staticPrivateKey, |
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ECPrivateKeyParameters ephemeralPrivateKey) |
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{ |
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if (staticPrivateKey == null) |
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throw new ArgumentNullException("staticPrivateKey"); |
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if (ephemeralPrivateKey == null) |
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throw new ArgumentNullException("ephemeralPrivateKey"); |
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ECDomainParameters parameters = staticPrivateKey.Parameters; |
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if (!parameters.Equals(ephemeralPrivateKey.Parameters)) |
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throw new ArgumentException("Static and ephemeral private keys have different domain parameters"); |
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ECMultiplier m = new FixedPointCombMultiplier(); |
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this.mInitiator = initiator; |
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this.mStaticPrivateKey = staticPrivateKey; |
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this.mStaticPublicPoint = m.Multiply(parameters.G, staticPrivateKey.D).Normalize(); |
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this.mEphemeralPrivateKey = ephemeralPrivateKey; |
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this.mEphemeralPublicPoint = m.Multiply(parameters.G, ephemeralPrivateKey.D).Normalize(); |
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} |
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public virtual bool IsInitiator |
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{ |
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get { return mInitiator; } |
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} |
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public virtual ECPrivateKeyParameters StaticPrivateKey |
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{ |
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get { return mStaticPrivateKey; } |
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} |
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public virtual ECPoint StaticPublicPoint |
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{ |
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get { return mStaticPublicPoint; } |
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} |
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public virtual ECPrivateKeyParameters EphemeralPrivateKey |
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{ |
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get { return mEphemeralPrivateKey; } |
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} |
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public virtual ECPoint EphemeralPublicPoint |
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{ |
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get { return mEphemeralPublicPoint; } |
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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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