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Release Notes

General Availability of Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider

1.2.0 released 01 December 2020

This library contains the implementation of Microsoft.Data.SqlClient.SqlColumnEncryptionKeyStoreProvider for accessing Azure Key Vault, and the provider class is named SqlColumnEncryptionAzureKeyVaultProvider.

Added

  • Added support for .NET Standard 2.0. This requires Microsoft.Data.SqlClient v2.1.0 and above. #823
  • Added new HSM endpoints. #750
  • Added source linked PDBs for easier debugging of the package. #789

Working with SQLColumnEncryptionAzureKeyVaultProvider

SqlColumnEncryptionAzureKeyVaultProvider is implemented against Microsoft.Data.SqlClient and supports .NET Framework 4.6+, .NET Core 2.1+, and .NET Standard 2.0+. The provider name identifier for this library is "AZURE_KEY_VAULT" and it is not registered in the driver by default. Client applications may call the SqlConnection.RegisterColumnEncryptionKeyStoreProviders() API once in the lifetime of the driver to register this custom provider by implementing a custom Authentication Callback mechanism.

Once the provider is registered, it can be used to perform Always Encrypted operations by creating a Column Master Key using the Azure Key Vault Key Identifier URL.

A sample C# application to demonstrate Always Encrypted with Azure Key Vault can be download from the samples directory: AzureKeyVaultProviderExample.cs

Target Platform Support

  • .NET Framework 4.6+
  • .NET Core 2.1+ (Windows x86, Windows x64, Linux, macOS)
  • .NET Standard 2.0+

Dependencies

.NET Framework

  • Microsoft.Azure.KeyVault 3.0.4
  • Microsoft.Azure.KeyVault.WebKey 3.0.4
  • Microsoft.Data.SqlClient 1.0.19269.1
  • Microsoft.Rest.ClientRuntime 2.3.20
  • Microsoft.Rest.ClientRuntime.Azure 3.3.19

.NET Core

  • Microsoft.Azure.KeyVault 3.0.4
  • Microsoft.Azure.KeyVault.WebKey 3.0.4
  • Microsoft.Data.SqlClient 1.0.19269.1
  • Microsoft.Rest.ClientRuntime 2.3.20
  • Microsoft.Rest.ClientRuntime.Azure 3.3.19

.NET Standard

  • Microsoft.Azure.KeyVault 3.0.4
  • Microsoft.Azure.KeyVault.WebKey 3.0.4
  • Microsoft.Data.SqlClient 2.1.0
  • Microsoft.Rest.ClientRuntime 2.3.20
  • Microsoft.Rest.ClientRuntime.Azure 3.3.19