加密函数
create or replace function
encrypt_des(p_text varchar2, p_key varchar2) return varchar2 isv_text varchar2(4000);v_enc varchar2(4000);raw_input RAW(128) ;key_input RAW(128) ;decrypted_raw RAW(2048);beginv_text := rpad( p_text, (trunc(length(p_text)/8)+1)*8, chr(0));raw_input := UTL_RAW.CAST_TO_RAW(v_text);key_input := UTL_RAW.CAST_TO_RAW(p_key);dbms_obfuscation_toolkit.DESEncrypt(input => raw_input,key => key_input,encrypted_data =>decrypted_raw);v_enc := rawtohex(decrypted_raw);dbms_output.put_line(v_enc);return v_enc;end;解密函数
create or replace function decrypt_des(p_text varchar2,p_key varchar2) return varchar2 is
v_text varchar2(2000);begindbms_obfuscation_toolkit.DESDECRYPT(input_string => UTL_RAW.CAST_TO_varchar2(p_text),key_string =>p_key, decrypted_string=> v_text);v_text := rtrim(v_text,chr(0));dbms_output.put_line(v_text);return v_text;end;------------------------------------------------------------
加密
select encrypt_des('feng', 'test#5&124*!de') from dual;
输入秘钥:15+5=17 结果:B33F50EA2F5E23D7
解密
select decrypt_des('B33F50EA2F5E23D7', 'test#5&124*!de') from dual;
输入秘钥:15+5=17 结果:feng
出处:https://www.cnblogs.com/feng666666/p/5911800.html