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RSACryptoServiceProvider.ImportCspBlob Method

Imports a blob that represents RSA key information.

Namespace: System.Security.Cryptography
Assembly: mscorlib (in mscorlib.dll)

public void ImportCspBlob (
	byte[] keyBlob
/** @attribute ComVisibleAttribute(false) */ 
public final void ImportCspBlob (
	byte[] keyBlob
public final function ImportCspBlob (
	keyBlob : byte[]
Not applicable.



A byte array that represents an RSA key blob.

The ImportCspBlob method initializes the key data of an RSACryptoServiceProvider object using a blob that is compatible with the unmanaged Microsoft Cryptographic API (CAPI).

  • KeyContainerPermission  for permission to access a key container when importing a key. Associated enumeration: Import Security action: Demand.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0