#include <db.h> int DB->set_encrypt(DB *db, const char *passwd, u_int32_t flags);
Set the password used by the Berkeley DB library to perform encryption and 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()
method may not be called after the
DB->open()
method is called.
The DB->set_encrypt()
method returns a non-zero error value on failure and 0 on success.
The DB->set_encrypt()
method may fail and return one of the following non-zero errors:
If the method was called after DB->open() was called; or if an invalid flag value or parameter was specified.