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Db.set_encrypt

 APIRef 

import com.sleepycat.db.*;


public void set_encrypt(String passwd, int flags)
    throws DbException;

Description

Set the password used by the DbEnv and Db methods to perform encryption and decryption.

The flags value must be set to 0 or the following value:

Db.DB_ENCRYPT_AES
Use the Rijndael/AES (also known as the Advanced Encryption Standard and Federal Information Processing Standard (FIPS) 197) algorithm for encryption or decryption.

Because databases opened within Berkeley DB environments use the password specified to the environment, it is an error to attempt to set a password in a database created within an environment.

The Db.set_encrypt interface may not be called after the Db.open interface is called.

The Db.set_encrypt method throws an exception that encapsulates a non-zero error value on failure.

Errors

The Db.set_encrypt method may fail and throw an exception encapsulating a non-zero error for the following conditions:

EINVAL
An invalid flag value or parameter was specified.

Called after Db.open was called.

EOPNOTSUPP
Cryptography is not available in this Berkeley DB release.

The Db.set_encrypt method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods. If a catastrophic error has occurred, the Db.set_encrypt method may fail and throw a DbRunRecoveryException, in which case all subsequent Berkeley DB calls will fail in the same way.

Class

Db

See Also

Databases and Related Methods

APIRef

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