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97 lines
2.8 KiB
97 lines
2.8 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 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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