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How to encrypt a CLOB datatype in JDBC?
Creating an Encrypted LOB(CLOB or, BLOB)
Oracle database from 11g onwards provides SecureFiles feature to encrypt the Large object files (LOBs). You can create a secure file using the SECUREFILE keyword as −
CREATE TABLE table_name ( myClob CLOB ) LOB(myClob) STORE AS SECUREFILE;
You can encrypt a secured file using Encrypt option for encryption you can use 3DES168 or, AES128 or, AES192 or, AES256 algorithm.
CREATE TABLE encrypt_tab ( myClob CLOB ) LOB(myClob) STORE AS SECUREFILE encrypt_lob( ENCRYPT USING 'AES256' );
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