AuthenticatedEncryptionProvider.Decrypt Method

Definition

Namespace:

Microsoft.IdentityModel.Tokens

Assembly:

Microsoft.IdentityModel.Tokens.dll

Package:

Microsoft.IdentityModel.Tokens v8.2.1

Decrypts ciphertext into plaintext.

public virtual byte[] Decrypt (byte[] ciphertext, byte[] authenticatedData, byte[] iv, byte[] authenticationTag);

abstract member Decrypt : byte[] * byte[] * byte[] * byte[] -> byte[]
override this.Decrypt : byte[] * byte[] * byte[] * byte[] -> byte[]

Public Overridable Function Decrypt (ciphertext As Byte(), authenticatedData As Byte(), iv As Byte(), authenticationTag As Byte()) As Byte()

Parameters

ciphertext

Byte[]

The encrypted text to be decrypted.

authenticatedData

Byte[]

The authenticate data that is used in verification.

iv

Byte[]

The initialization vector used when creating the ciphertext.

authenticationTag

Byte[]

The authentication tag that was created during the encyption.

Returns

Byte[]

The decrypted ciphertext.

Exceptions

ArgumentNullException

Thrown if authenticationTag is null or empty.

SecurityTokenDecryptionFailedException

Thrown if the AES crypto operation threw. See inner exception for details.

ObjectDisposedException

Thrown if the internal SignatureProvider is disposed.