# < Summary

Information

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

Line coverage
75%

Covered lines: | 6
Uncovered lines: | 2
Coverable lines: | 8
Total lines: | 56
Line coverage: | 75%

Branch coverage
50%

Covered branches: | 1
Total branches: | 2
Branch coverage: | 50%

Method coverage

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# Metrics

Method | Branch coverage | Cyclomatic complexity | Line coverage
--- | --- | --- | ---
get_Key() | 100% | 1 | 100%
.ctor(...) | 50% | 2 | 71.42%

# File(s)

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

| # | Line |  | Line coverage
--- | --- | --- | --- | ---
|  | `1` |  | `using System;`
|  | `2` |  | ``
|  | `3` |  | `namespace Renci.SshNet.Security.Cryptography`
|  | `4` |  | `{`
|  | `5` |  | `/// <summary>`
|  | `6` |  | `/// Base class for symmetric cipher implementations.`
|  | `7` |  | `/// </summary>`
|  | `8` |  | `public abstract class SymmetricCipher : Cipher`
|  | `9` |  | `{`
|  | `10` |  | `/// <summary>`
|  | `11` |  | `/// Gets the key.`
|  | `12` |  | `/// </summary>`
| 5728 | `13` |  | `protected byte[] Key { get; private set; }`
|  | `14` |  | ``
|  | `15` |  | `/// <summary>`
|  | `16` |  | `/// Initializes a new instance of the <see cref="SymmetricCipher"/> class.`
|  | `17` |  | `/// </summary>`
|  | `18` |  | `/// <param name="key">The key.</param>`
|  | `19` |  | `/// <exception cref="ArgumentNullException"><paramref name="key"/> is <see langword="null"/>.</exception>`
| 5535 | `20` |  | `protected SymmetricCipher(byte[] key)`
| 5535 | `21` |  | `{`
| 5535 | `22` |  | `if (key is null)`
| 0 | `23` |  | `{`
| 0 | `24` |  | `throw new ArgumentNullException(nameof(key));`
|  | `25` |  | `}`
|  | `26` |  | ``
| 5535 | `27` |  | `Key = key;`
| 5535 | `28` |  | `}`
|  | `29` |  | ``
|  | `30` |  | `/// <summary>`
|  | `31` |  | `/// Encrypts the specified region of the input byte array and copies the encrypted data to the specified region`
|  | `32` |  | `/// </summary>`
|  | `33` |  | `/// <param name="inputBuffer">The input data to encrypt.</param>`
|  | `34` |  | `/// <param name="inputOffset">The offset into the input byte array from which to begin using data.</param>`
|  | `35` |  | `/// <param name="inputCount">The number of bytes in the input byte array to use as data.</param>`
|  | `36` |  | `/// <param name="outputBuffer">The output to which to write encrypted data.</param>`
|  | `37` |  | `/// <param name="outputOffset">The offset into the output byte array from which to begin writing data.</param>`
|  | `38` |  | `/// <returns>`
|  | `39` |  | `/// The number of bytes encrypted.`
|  | `40` |  | `/// </returns>`
|  | `41` |  | `public abstract int EncryptBlock(byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int o`
|  | `42` |  | ``
|  | `43` |  | `/// <summary>`
|  | `44` |  | `/// Decrypts the specified region of the input byte array and copies the decrypted data to the specified region`
|  | `45` |  | `/// </summary>`
|  | `46` |  | `/// <param name="inputBuffer">The input data to decrypt.</param>`
|  | `47` |  | `/// <param name="inputOffset">The offset into the input byte array from which to begin using data.</param>`
|  | `48` |  | `/// <param name="inputCount">The number of bytes in the input byte array to use as data.</param>`
|  | `49` |  | `/// <param name="outputBuffer">The output to which to write decrypted data.</param>`
|  | `50` |  | `/// <param name="outputOffset">The offset into the output byte array from which to begin writing data.</param>`
|  | `51` |  | `/// <returns>`
|  | `52` |  | `/// The number of bytes decrypted.`
|  | `53` |  | `/// </returns>`
|  | `54` |  | `public abstract int DecryptBlock(byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int o`
|  | `55` |  | `}`
|  | `56` |  | `}`

# Methods/Properties

get_Key()
.ctor(System.Byte[])