Mega Code Archive
Dbms_obfuscation_toolkit DES3GETKEY and dbms_obfuscation_toolkit DES3ENCRYPT
<![CDATA[
SQL> -- create demo table
SQL> create table emp(
2 ID VARCHAR2(4 BYTE) NOT NULL,
3 fname VARCHAR2(10 BYTE),
4 lname VARCHAR2(10 BYTE),
5 Start_Date DATE,
6 End_Date DATE,
7 Salary Number(8,2),
8 City VARCHAR2(10 BYTE),
9 Description VARCHAR2(15 BYTE)
10 )
11 /
Table created.
SQL>
SQL> CREATE or REPLACE TRIGGER ccn_encrypt_trig
2 BEFORE INSERT or UPDATE of fname on emp
3 FOR EACH ROW
4 DECLARE
5 v_key VARCHAR2(80);
6 v_seed VARCHAR2(80) := '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
7 v_encrypted_string VARCHAR2(2048);
8 BEGIN
9 dbms_obfuscation_toolkit.DES3GETKEY(which=>1, seed_string=>v_seed,key=>v_key);
10 dbms_obfuscation_toolkit.DES3ENCRYPT(input_string => RPAD(:NEW.fname,16,' '), key_string => v_key, encrypted_string => v_encrypted_string );
11 END;
12 /
Trigger created.
SQL>
SQL> -- prepare data
SQL> insert into emp(ID, fname, lname, Start_Date, End_Date, Salary, City, Description)
2 values ('01','Jason', 'Martin', to_date('19960725','YYYYMMDD'), to_date('20060725','YYYYMMDD'), 1234.56, 'Toronto', 'Programmer')
3 /
insert into emp(ID, fname, lname, Start_Date, End_Date,
Salary, City, Description)
*
ERROR at line 1:
ORA-28237: seed length too short
ORA-06512: at "SYS.DBMS_OBFUSCATION_TOOLKIT_FFI",
line 3
ORA-06512: at "SYS.DBMS_OBFUSCATION_TOOLKIT", line 76
ORA-06512: at "RNTSOFT.CCN_ENCRYPT_TRIG", line 6
ORA-04088: error during execution of trigger
'RNTSOFT.CCN_ENCRYPT_TRIG'
SQL>
SQL> drop table emp;
Table dropped.
SQL>
]]>