# < Summary

Information

Class: | Renci.SshNet.Security.KeyExchangeEC
Assembly: | Renci.SshNet
File(s): | \home\appveyor\projects\ssh-net\src\Renci.SshNet\Security\KeyExchangeEC.cs

Line coverage
100%

Covered lines: | 22
Uncovered lines: | 0
Coverable lines: | 22
Total lines: | 94
Line coverage: | 100%

Branch coverage
N/A

Covered branches: | 0
Total branches: | 0
Branch coverage: | N/A

Method coverage

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# Metrics

Method | Branch coverage | Cyclomatic complexity | Line coverage
--- | --- | --- | ---
CalculateHash() | 100% | 1 | 100%
ValidateExchangeHash() | 100% | 1 | 100%
Start(...) | 100% | 1 | 100%

# File(s)

## \home\appveyor\projects\ssh-net\src\Renci.SshNet\Security\KeyExchangeEC.cs

| # | Line |  | Line coverage
--- | --- | --- | --- | ---
|  | `1` |  | `using Renci.SshNet.Messages.Transport;`
|  | `2` |  | ``
|  | `3` |  | `namespace Renci.SshNet.Security`
|  | `4` |  | `{`
|  | `5` |  | `internal abstract class KeyExchangeEC : KeyExchange`
|  | `6` |  | `{`
|  | `7` |  | `#pragma warning disable SA1401 // Fields should be private`
|  | `8` |  | `/// <summary>`
|  | `9` |  | `/// Specifies client payload.`
|  | `10` |  | `/// </summary>`
|  | `11` |  | `protected byte[] _clientPayload;`
|  | `12` |  | ``
|  | `13` |  | `/// <summary>`
|  | `14` |  | `/// Specifies server payload.`
|  | `15` |  | `/// </summary>`
|  | `16` |  | `protected byte[] _serverPayload;`
|  | `17` |  | ``
|  | `18` |  | `/// <summary>`
|  | `19` |  | `/// Specifies client exchange.`
|  | `20` |  | `/// </summary>`
|  | `21` |  | `protected byte[] _clientExchangeValue;`
|  | `22` |  | ``
|  | `23` |  | `/// <summary>`
|  | `24` |  | `/// Specifies server exchange.`
|  | `25` |  | `/// </summary>`
|  | `26` |  | `protected byte[] _serverExchangeValue;`
|  | `27` |  | ``
|  | `28` |  | `/// <summary>`
|  | `29` |  | `/// Specifies host key data.`
|  | `30` |  | `/// </summary>`
|  | `31` |  | `protected byte[] _hostKey;`
|  | `32` |  | ``
|  | `33` |  | `/// <summary>`
|  | `34` |  | `/// Specifies signature data.`
|  | `35` |  | `/// </summary>`
|  | `36` |  | `protected byte[] _signature;`
|  | `37` |  | `#pragma warning restore SA1401 // Fields should be private`
|  | `38` |  | ``
|  | `39` |  | `/// <summary>`
|  | `40` |  | `/// Gets the size, in bits, of the computed hash code.`
|  | `41` |  | `/// </summary>`
|  | `42` |  | `/// <value>`
|  | `43` |  | `/// The size, in bits, of the computed hash code.`
|  | `44` |  | `/// </value>`
|  | `45` |  | `protected abstract int HashSize { get; }`
|  | `46` |  | ``
|  | `47` |  | `/// <summary>`
|  | `48` |  | `/// Calculates key exchange hash value.`
|  | `49` |  | `/// </summary>`
|  | `50` |  | `/// <returns>`
|  | `51` |  | `/// Key exchange hash.`
|  | `52` |  | `/// </returns>`
|  | `53` |  | `protected override byte[] CalculateHash()`
| 2361 | `54` |  | `{`
| 2361 | `55` |  | `var hashData = new KeyExchangeHashData`
| 2361 | `56` |  | `{`
| 2361 | `57` |  | `ClientVersion = Session.ClientVersion,`
| 2361 | `58` |  | `ServerVersion = Session.ServerVersion,`
| 2361 | `59` |  | `ClientPayload = _clientPayload,`
| 2361 | `60` |  | `ServerPayload = _serverPayload,`
| 2361 | `61` |  | `HostKey = _hostKey,`
| 2361 | `62` |  | `ClientExchangeValue = _clientExchangeValue,`
| 2361 | `63` |  | `ServerExchangeValue = _serverExchangeValue,`
| 2361 | `64` |  | `SharedKey = SharedKey,`
| 2361 | `65` |  | `};`
|  | `66` |  | ``
| 2361 | `67` |  | `return Hash(hashData.GetBytes());`
| 2361 | `68` |  | `}`
|  | `69` |  | ``
|  | `70` |  | `/// <summary>`
|  | `71` |  | `/// Validates the exchange hash.`
|  | `72` |  | `/// </summary>`
|  | `73` |  | `/// <returns>`
|  | `74` |  | `/// true if exchange hash is valid; otherwise false.`
|  | `75` |  | `/// </returns>`
|  | `76` |  | `protected override bool ValidateExchangeHash()`
| 1181 | `77` |  | `{`
| 1181 | `78` |  | `return ValidateExchangeHash(_hostKey, _signature);`
| 1181 | `79` |  | `}`
|  | `80` |  | ``
|  | `81` |  | `/// <summary>`
|  | `82` |  | `/// Starts key exchange algorithm.`
|  | `83` |  | `/// </summary>`
|  | `84` |  | `/// <param name="session">The session.</param>`
|  | `85` |  | `/// <param name="message">Key exchange init message.</param>`
|  | `86` |  | `public override void Start(Session session, KeyExchangeInitMessage message)`
| 1181 | `87` |  | `{`
| 1181 | `88` |  | `base.Start(session, message);`
|  | `89` |  | ``
| 1181 | `90` |  | `_serverPayload = message.GetBytes();`
| 1181 | `91` |  | `_clientPayload = Session.ClientInitMessage.GetBytes();`
| 1181 | `92` |  | `}`
|  | `93` |  | `}`
|  | `94` |  | `}`

# Methods/Properties

CalculateHash()
ValidateExchangeHash()
Start(Renci.SshNet.Session,Renci.SshNet.Messages.Transport.KeyExchangeInitMessage)