| | | 1 | | using Renci.SshNet.Common; |
| | | 2 | | |
| | | 3 | | namespace Renci.SshNet.Messages.Transport |
| | | 4 | | { |
| | | 5 | | /// <summary> |
| | | 6 | | /// Represents SSH_MSG_KEX_DH_GEX_GROUP message. |
| | | 7 | | /// </summary> |
| | | 8 | | [Message("SSH_MSG_KEX_DH_GEX_GROUP", MessageNumber)] |
| | | 9 | | public class KeyExchangeDhGroupExchangeGroup : Message |
| | | 10 | | { |
| | | 11 | | internal const byte MessageNumber = 31; |
| | | 12 | | |
| | | 13 | | private byte[] _safePrime; |
| | | 14 | | private byte[] _subGroup; |
| | | 15 | | |
| | | 16 | | /// <summary> |
| | | 17 | | /// Gets the safe prime. |
| | | 18 | | /// </summary> |
| | | 19 | | /// <value> |
| | | 20 | | /// The safe prime. |
| | | 21 | | /// </value> |
| | | 22 | | public BigInteger SafePrime |
| | | 23 | | { |
| | 18 | 24 | | get { return _safePrime.ToBigInteger(); } |
| | | 25 | | } |
| | | 26 | | |
| | | 27 | | /// <summary> |
| | | 28 | | /// Gets the generator for subgroup in GF(p). |
| | | 29 | | /// </summary> |
| | | 30 | | /// <value> |
| | | 31 | | /// The sub group. |
| | | 32 | | /// </value> |
| | | 33 | | public BigInteger SubGroup |
| | | 34 | | { |
| | 18 | 35 | | get { return _subGroup.ToBigInteger(); } |
| | | 36 | | } |
| | | 37 | | |
| | | 38 | | /// <summary> |
| | | 39 | | /// Gets the size of the message in bytes. |
| | | 40 | | /// </summary> |
| | | 41 | | /// <value> |
| | | 42 | | /// The size of the messages in bytes. |
| | | 43 | | /// </value> |
| | | 44 | | protected override int BufferCapacity |
| | | 45 | | { |
| | | 46 | | get |
| | 0 | 47 | | { |
| | 0 | 48 | | var capacity = base.BufferCapacity; |
| | 0 | 49 | | capacity += 4; // SafePrime length |
| | 0 | 50 | | capacity += _safePrime.Length; // SafePrime |
| | 0 | 51 | | capacity += 4; // SubGroup length |
| | 0 | 52 | | capacity += _subGroup.Length; // SubGroup |
| | | 53 | | |
| | 0 | 54 | | return capacity; |
| | 0 | 55 | | } |
| | | 56 | | } |
| | | 57 | | |
| | | 58 | | /// <summary> |
| | | 59 | | /// Called when type specific data need to be loaded. |
| | | 60 | | /// </summary> |
| | | 61 | | protected override void LoadData() |
| | 6 | 62 | | { |
| | 6 | 63 | | _safePrime = ReadBinary(); |
| | 6 | 64 | | _subGroup = ReadBinary(); |
| | 6 | 65 | | } |
| | | 66 | | |
| | | 67 | | /// <summary> |
| | | 68 | | /// Called when type specific data need to be saved. |
| | | 69 | | /// </summary> |
| | | 70 | | protected override void SaveData() |
| | 0 | 71 | | { |
| | 0 | 72 | | WriteBinaryString(_safePrime); |
| | 0 | 73 | | WriteBinaryString(_subGroup); |
| | 0 | 74 | | } |
| | | 75 | | |
| | | 76 | | internal override void Process(Session session) |
| | 6 | 77 | | { |
| | 6 | 78 | | session.OnKeyExchangeDhGroupExchangeGroupReceived(this); |
| | 6 | 79 | | } |
| | | 80 | | } |
| | | 81 | | } |