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RSACryptoServiceProvider.Encrypt Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Encrypts data with the RSA algorithm.

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

Syntax

'Declaration
<SecuritySafeCriticalAttribute> _
Public Function Encrypt ( _
    rgb As Byte(), _
    fOAEP As Boolean _
) As Byte()

[SecuritySafeCriticalAttribute]
public byte[] Encrypt(
    byte[] rgb,
    bool fOAEP
)

Parameters

  • rgb
    Type: array<System.Byte[]
    The data to be encrypted.
  • fOAEP
    Type: System.Boolean
    true to perform direct RSA encryption using OAEP padding; otherwise, false to use PKCS#1 v1.5 padding.

Return Value

Type: array<System.Byte[]
The encrypted data.

Exceptions

Exception Condition
CryptographicException

The cryptographic service provider (CSP) cannot be acquired.

-or-

The length of the rgb parameter is greater than the maximum allowed length.

-or-

The fOAEP parameter is true and OAEP padding is not supported.
ArgumentNullException

rgb is nulla null reference (Nothing in Visual Basic).

Remarks

Use Decrypt to decrypt the results of this method.

Version Information

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.