public sealed class CertificateConfig.Types.KeyId : IMessage<CertificateConfig.Types.KeyId>, IEquatable<CertificateConfig.Types.KeyId>, IDeepCloneable<CertificateConfig.Types.KeyId>, IBufferMessage, IMessage
Reference documentation and code samples for the Certificate Authority v1 API class CertificateConfig.Types.KeyId.
A KeyId identifies a specific public key, usually by hashing the public
key.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage provides documentation for the \u003ccode\u003eCertificateConfig.Types.KeyId\u003c/code\u003e class, a part of the Google Cloud Security Private CA v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eKeyId\u003c/code\u003e class is used to identify a specific public key, commonly by using a hash of the key.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of this documentation is 3.9.0, with versions available going as far back as 1.0.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eKeyId_\u003c/code\u003e property of the \u003ccode\u003eKeyId\u003c/code\u003e class stores the lowercase hexadecimal-encoded value, typically the 160-bit SHA-1 hash of the public key, and is a required field.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eCertificateConfig.Types.KeyId\u003c/code\u003e class implements \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, \u003ccode\u003eIBufferMessage\u003c/code\u003e, and \u003ccode\u003eIMessage\u003c/code\u003e interfaces.\u003c/p\u003e\n"]]],[],null,["# Certificate Authority v1 API - Class CertificateConfig.Types.KeyId (3.10.0)\n\nVersion latestkeyboard_arrow_down\n\n- [3.10.0 (latest)](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.9.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.9.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.8.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.8.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.7.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.7.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.6.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.6.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.5.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.4.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.3.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.3.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.2.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.2.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.1.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.1.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [3.0.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/3.0.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [2.3.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/2.3.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [2.2.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/2.2.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [2.1.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/2.1.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [2.0.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/2.0.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId)\n- [1.0.0](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/1.0.0/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId) \n\n public sealed class CertificateConfig.Types.KeyId : IMessage\u003cCertificateConfig.Types.KeyId\u003e, IEquatable\u003cCertificateConfig.Types.KeyId\u003e, IDeepCloneable\u003cCertificateConfig.Types.KeyId\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Certificate Authority v1 API class CertificateConfig.Types.KeyId.\n\nA KeyId identifies a specific public key, usually by hashing the public\nkey. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e CertificateConfig.Types.KeyId \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[CertificateConfig](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig)[Types](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types)[KeyId](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[CertificateConfig](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig)[Types](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types)[KeyId](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[CertificateConfig](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig)[Types](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types)[KeyId](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1.CertificateConfig.Types.KeyId), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Security.PrivateCA.V1](/dotnet/docs/reference/Google.Cloud.Security.PrivateCA.V1/latest/Google.Cloud.Security.PrivateCA.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.Security.PrivateCA.V1.dll\n\nConstructors\n------------\n\n### KeyId()\n\n public KeyId()\n\n### KeyId(KeyId)\n\n public KeyId(CertificateConfig.Types.KeyId other)\n\nProperties\n----------\n\n### KeyId_\n\n public string KeyId_ { get; set; }\n\nRequired. The value of this KeyId encoded in lowercase hexadecimal. This\nis most likely the 160 bit SHA-1 hash of the public key."]]
