# < Summary

Information

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

Line coverage
100%

Covered lines: | 18
Uncovered lines: | 0
Coverable lines: | 18
Total lines: | 54
Line coverage: | 100%

Branch coverage
100%

Covered branches: | 8
Total branches: | 8
Branch coverage: | 100%

Method coverage

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# Metrics

Method | Branch coverage | Cyclomatic complexity | Line coverage
--- | --- | --- | ---
get_Identifiers() | 100% | 1 | 100%
.ctor(...) | 100% | 4 | 100%
FromHashAlgorithmName(...) | 100% | 4 | 100%

# File(s)

## \home\appveyor\projects\ssh-net\src\Renci.SshNet\Common\ObjectIdentifier.cs

| # | Line |  | Line coverage
--- | --- | --- | --- | ---
|  | `1` |  | `using System;`
|  | `2` |  | `using System.Linq;`
|  | `3` |  | `using System.Security.Cryptography;`
|  | `4` |  | ``
|  | `5` |  | `namespace Renci.SshNet.Common`
|  | `6` |  | `{`
|  | `7` |  | `/// <summary>`
|  | `8` |  | `/// Describes object identifier for DER encoding.`
|  | `9` |  | `/// </summary>`
|  | `10` |  | `#pragma warning disable CA1815 // Override equals and operator equals on value types`
|  | `11` |  | `public struct ObjectIdentifier`
|  | `12` |  | `#pragma warning restore CA1815 // Override equals and operator equals on value types`
|  | `13` |  | `{`
|  | `14` |  | `/// <summary>`
|  | `15` |  | `/// Gets the object identifier.`
|  | `16` |  | `/// </summary>`
| 12298 | `17` |  | `public ulong[] Identifiers { get; private set; }`
|  | `18` |  | ``
|  | `19` |  | `/// <summary>`
|  | `20` |  | `/// Initializes a new instance of the <see cref="ObjectIdentifier"/> struct.`
|  | `21` |  | `/// </summary>`
|  | `22` |  | `/// <param name="identifiers">The identifiers.</param>`
|  | `23` |  | `/// <exception cref="ArgumentNullException"><paramref name="identifiers"/> is <see langword="null"/>.</exception`
|  | `24` |  | `/// <exception cref="ArgumentException"><paramref name="identifiers"/> has less than two elements.</exception>`
|  | `25` |  | `public ObjectIdentifier(params ulong[] identifiers)`
| 2774 | `26` |  | `{`
| 2774 | `27` |  | `if (identifiers is null)`
| 3 | `28` |  | `{`
| 3 | `29` |  | `throw new ArgumentNullException(nameof(identifiers));`
|  | `30` |  | `}`
|  | `31` |  | ``
| 2771 | `32` |  | `if (identifiers.Length < 2)`
| 3 | `33` |  | `{`
| 3 | `34` |  | `throw new ArgumentException("Must contain at least two elements.", nameof(identifiers));`
|  | `35` |  | `}`
|  | `36` |  | ``
| 2768 | `37` |  | `Identifiers = identifiers;`
| 2768 | `38` |  | `}`
|  | `39` |  | ``
|  | `40` |  | `internal static ObjectIdentifier FromHashAlgorithmName(HashAlgorithmName hashAlgorithmName)`
| 2771 | `41` |  | `{`
| 2771 | `42` |  | `var oid = CryptoConfig.MapNameToOID(hashAlgorithmName.Name);`
|  | `43` |  | ``
| 2771 | `44` |  | `if (oid is null)`
| 3 | `45` |  | `{`
| 3 | `46` |  | `throw new ArgumentException($"Could not map `{hashAlgorithmName}` to OID.", nameof(hashAlgorithmName));`
|  | `47` |  | `}`
|  | `48` |  | ``
| 2768 | `49` |  | `var identifiers = oid.Split('.').Select(ulong.Parse).ToArray();`
|  | `50` |  | ``
| 2768 | `51` |  | `return new ObjectIdentifier(identifiers);`
| 2768 | `52` |  | `}`
|  | `53` |  | `}`
|  | `54` |  | `}`

# Methods/Properties

get_Identifiers()
.ctor(System.UInt64[])
FromHashAlgorithmName(System.Security.Cryptography.HashAlgorithmName)