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98 lines
2.8 KiB
98 lines
2.8 KiB
8 months ago
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#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.Collections;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509
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{
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public class RsaPublicKeyStructure
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: Asn1Encodable
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{
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private BigInteger modulus;
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private BigInteger publicExponent;
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public static RsaPublicKeyStructure GetInstance(
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Asn1TaggedObject obj,
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bool explicitly)
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{
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return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
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}
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public static RsaPublicKeyStructure GetInstance(
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object obj)
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{
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if (obj == null || obj is RsaPublicKeyStructure)
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{
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return (RsaPublicKeyStructure) obj;
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}
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if (obj is Asn1Sequence)
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{
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return new RsaPublicKeyStructure((Asn1Sequence) obj);
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}
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throw new ArgumentException("Invalid RsaPublicKeyStructure: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj));
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}
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public RsaPublicKeyStructure(
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BigInteger modulus,
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BigInteger publicExponent)
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{
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if (modulus == null)
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throw new ArgumentNullException("modulus");
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if (publicExponent == null)
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throw new ArgumentNullException("publicExponent");
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if (modulus.SignValue <= 0)
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throw new ArgumentException("Not a valid RSA modulus", "modulus");
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if (publicExponent.SignValue <= 0)
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throw new ArgumentException("Not a valid RSA public exponent", "publicExponent");
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this.modulus = modulus;
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this.publicExponent = publicExponent;
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}
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private RsaPublicKeyStructure(
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Asn1Sequence seq)
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{
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if (seq.Count != 2)
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throw new ArgumentException("Bad sequence size: " + seq.Count);
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// Note: we are accepting technically incorrect (i.e. negative) values here
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modulus = DerInteger.GetInstance(seq[0]).PositiveValue;
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publicExponent = DerInteger.GetInstance(seq[1]).PositiveValue;
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}
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public BigInteger Modulus
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{
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get { return modulus; }
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}
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public BigInteger PublicExponent
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{
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get { return publicExponent; }
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}
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/**
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* This outputs the key in Pkcs1v2 format.
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* <pre>
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* RSAPublicKey ::= Sequence {
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* modulus Integer, -- n
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* publicExponent Integer, -- e
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* }
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* </pre>
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*/
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public override Asn1Object ToAsn1Object()
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{
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return new DerSequence(
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new DerInteger(Modulus),
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new DerInteger(PublicExponent));
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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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