com.microsoft.sqlserver.jdbc

Class SQLServerColumnEncryptionKeyStoreProvider

java.lang.Object

com.microsoft.sqlserver.jdbc.SQLServerColumnEncryptionKeyStoreProvider

Direct Known Subclasses:

SQLServerColumnEncryptionAzureKeyVaultProvider, SQLServerColumnEncryptionCertificateStoreProvider, SQLServerColumnEncryptionJavaKeyStoreProvider

public abstract class SQLServerColumnEncryptionKeyStoreProvider
extends Object

Extend this class to implement a custom key store provider.

Constructor Summary

Constructors

Constructor and Description
SQLServerColumnEncryptionKeyStoreProvider()

Method Summary

Modifier and Type	Method and Description
abstract byte[]	decryptColumnEncryptionKey(String masterKeyPath, String encryptionAlgorithm, byte[] encryptedColumnEncryptionKey) Base class method for decrypting the specified encrypted value of a column encryption key.
abstract byte[]	encryptColumnEncryptionKey(String masterKeyPath, String encryptionAlgorithm, byte[] columnEncryptionKey) Base class method for encrypting a column encryption key using the column master key with the specified key path and using the specified algorithm.
abstract String	getName() Retrieves the name of this key store provider.
abstract void	setName(String name) Sets the name of this key store provider.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SQLServerColumnEncryptionKeyStoreProvider

public SQLServerColumnEncryptionKeyStoreProvider()

Method Detail

setName

public abstract void setName(String name)

Sets the name of this key store provider.

Parameters:

name - value to be set for the key store provider.

getName

public abstract String getName()

Retrieves the name of this key store provider.

Returns:

the name of this key store provider.

decryptColumnEncryptionKey

public abstract byte[] decryptColumnEncryptionKey(String masterKeyPath,
                                                  String encryptionAlgorithm,
                                                  byte[] encryptedColumnEncryptionKey)
                                           throws SQLServerException

Base class method for decrypting the specified encrypted value of a column encryption key. The encrypted value is expected to be encrypted using the column master key with the specified key path and using the specified algorithm.

Parameters:

masterKeyPath - The column master key path.

encryptionAlgorithm - the specific encryption algorithm.

encryptedColumnEncryptionKey - the encrypted column encryption key

Returns:

the decrypted value of column encryption key.

Throws:

SQLServerException - when an error occurs while decrypting the CEK

encryptColumnEncryptionKey

public abstract byte[] encryptColumnEncryptionKey(String masterKeyPath,
                                                  String encryptionAlgorithm,
                                                  byte[] columnEncryptionKey)
                                           throws SQLServerException

Base class method for encrypting a column encryption key using the column master key with the specified key path and using the specified algorithm.

Parameters:

masterKeyPath - The column master key path.

encryptionAlgorithm - the specific encryption algorithm.

columnEncryptionKey - column encryption key to be encrypted.

Returns:

the encrypted column encryption key.

Throws:

SQLServerException - when an error occurs while encrypting the CEK