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119 lines
3.1 KiB
119 lines
3.1 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.IO; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Bcpg |
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{ |
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/// <remarks>Basic packet for a PGP public key.</remarks> |
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public class PublicKeyEncSessionPacket |
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: ContainedPacket //, PublicKeyAlgorithmTag |
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{ |
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private int version; |
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private long keyId; |
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private PublicKeyAlgorithmTag algorithm; |
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private byte[][] data; |
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internal PublicKeyEncSessionPacket( |
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BcpgInputStream bcpgIn) |
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{ |
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version = bcpgIn.ReadByte(); |
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keyId |= (long)bcpgIn.ReadByte() << 56; |
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keyId |= (long)bcpgIn.ReadByte() << 48; |
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keyId |= (long)bcpgIn.ReadByte() << 40; |
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keyId |= (long)bcpgIn.ReadByte() << 32; |
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keyId |= (long)bcpgIn.ReadByte() << 24; |
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keyId |= (long)bcpgIn.ReadByte() << 16; |
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keyId |= (long)bcpgIn.ReadByte() << 8; |
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keyId |= (uint)bcpgIn.ReadByte(); |
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algorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); |
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switch ((PublicKeyAlgorithmTag) algorithm) |
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{ |
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case PublicKeyAlgorithmTag.RsaEncrypt: |
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case PublicKeyAlgorithmTag.RsaGeneral: |
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data = new byte[][]{ new MPInteger(bcpgIn).GetEncoded() }; |
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break; |
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case PublicKeyAlgorithmTag.ElGamalEncrypt: |
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case PublicKeyAlgorithmTag.ElGamalGeneral: |
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MPInteger p = new MPInteger(bcpgIn); |
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MPInteger g = new MPInteger(bcpgIn); |
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data = new byte[][]{ |
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p.GetEncoded(), |
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g.GetEncoded(), |
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}; |
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break; |
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case PublicKeyAlgorithmTag.ECDH: |
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data = new byte[][]{ Streams.ReadAll(bcpgIn) }; |
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break; |
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default: |
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throw new IOException("unknown PGP public key algorithm encountered"); |
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} |
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} |
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public PublicKeyEncSessionPacket( |
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long keyId, |
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PublicKeyAlgorithmTag algorithm, |
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byte[][] data) |
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{ |
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this.version = 3; |
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this.keyId = keyId; |
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this.algorithm = algorithm; |
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this.data = new byte[data.Length][]; |
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for (int i = 0; i < data.Length; ++i) |
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{ |
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this.data[i] = Arrays.Clone(data[i]); |
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} |
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} |
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public int Version |
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{ |
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get { return version; } |
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} |
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public long KeyId |
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{ |
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get { return keyId; } |
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} |
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public PublicKeyAlgorithmTag Algorithm |
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{ |
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get { return algorithm; } |
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} |
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public byte[][] GetEncSessionKey() |
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{ |
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return data; |
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} |
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public override void Encode( |
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BcpgOutputStream bcpgOut) |
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{ |
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MemoryStream bOut = new MemoryStream(); |
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BcpgOutputStream pOut = new BcpgOutputStream(bOut); |
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pOut.WriteByte((byte) version); |
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pOut.WriteLong(keyId); |
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pOut.WriteByte((byte)algorithm); |
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for (int i = 0; i < data.Length; ++i) |
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{ |
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pOut.Write(data[i]); |
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} |
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BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.Dispose(pOut); |
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bcpgOut.WritePacket(PacketTag.PublicKeyEncryptedSession , bOut.ToArray(), true); |
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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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