oracle数据库加密脚本

----权限设置grant execute on DBMS_CRYPTO to username;---------加密create or replace function encrypt256(v_input varchar2) return rawisv_result raw(1999);c_key char(32) := '1q2wa3es4rz5tx6ycD*UF8tif9ogjen2';beginv_result := sys.DBMS_CRYPTO.ENCRYPT(UTL_I18N.STRING_TO_RAW(v_input, 'AL32UTF8'),sys.DBMS_CRYPTO.ENCRYPT_AES256+sys.DBMS_CRYPTO.CHAIN_CBC+sys.DBMS_CRYPTO.PAD_PKCS5,UTL_I18N.STRING_TO_RAW(c_key, 'AL32UTF8'));return v_result;end;-----------解密create or replace function decrypt256(v_input raw) return varchar2isv_result raw(1999);c_key char(32) := '1q2wa3es4rz5tx6ycD*UF8tif9ogjen2';beginv_result := SYS.DBMS_CRYPTO.DECRYPT(v_input,SYS.DBMS_CRYPTO.ENCRYPT_AES256+SYS.DBMS_CRYPTO.CHAIN_CBC+SYS.DBMS_CRYPTO.PAD_PKCS5,UTL_I18N.STRING_TO_RAW(c_key, 'AL32UTF8'));return UTL_I18N.RAW_TO_CHAR(v_result, 'AL32UTF8');end;----MD5加密CREATE OR REPLACE FUNCTION MD5(passwd IN VARCHAR2) RETURN VARCHAR2 IS  retval varchar2(32);BEGIN  retval := utl_raw.cast_to_raw(DBMS_OBFUSCATION_TOOLKIT.MD5(INPUT_STRING => passwd));  RETURN retval;END;