SqlColumnEncryptionCngProvider.DecryptColumnEncryptionKey Method
Definition
Important
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Decrypts the given encrypted value using an asymmetric key specified by the key path and the specified algorithm. The key path will be in the format of [ProviderName]/KeyIdentifier and should be an asymmetric key stored in the specified CNG key store provider. The valid algorithm used to encrypt/decrypt the CEK is 'RSA_OAEP'.
public:
override cli::array <System::Byte> ^ DecryptColumnEncryptionKey(System::String ^ masterKeyPath, System::String ^ encryptionAlgorithm, cli::array <System::Byte> ^ encryptedColumnEncryptionKey);public override byte[] DecryptColumnEncryptionKey (string masterKeyPath, string encryptionAlgorithm, byte[] encryptedColumnEncryptionKey);override this.DecryptColumnEncryptionKey : string * string * byte[] -> byte[]Public Overrides Function DecryptColumnEncryptionKey (masterKeyPath As String, encryptionAlgorithm As String, encryptedColumnEncryptionKey As Byte()) As Byte()Parameters
- masterKeyPath
- String
The master key path.
- encryptionAlgorithm
- String
The encryption algorithm.
- encryptedColumnEncryptionKey
- Byte[]
The encrypted column encryption key.
Returns
Byte[]
The decrypted column encryption key.
Applies to
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