Oracle定义DES加密解密及MD5加密函数示例
(1)DES加密函数create or replace function
encrypt_des(p_text varchar2, p_key varchar2) return varchar2 is
v_text varchar2(4000);
v_enc varchar2(4000);
raw_input RAW(128) ;
key_input RAW(128) ;
decrypted_raw RAW(2048);
begin
v_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;(2)DES解密函数
create or replace function decrypt_des(p_text varchar2,p_key varchar2) return varchar2 is
v_text varchar2(2000);
begin
dbms_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;(3)MD5加密函数
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;(4)函数使用示例
DES加密: update tb_salarysign_staff s set s.staffpwd =encrypt_des(s.staffpwd, 'test#5&124*!de');
DES解密:select decrypt_des(s.staffpwd, 'test#5&124*!de') from tb_salarysign_staff s
MD5加密: update tb_salarysign_staff s set s.staffpwd = md5(s.staffpwd);
PS:关于加密运算,这里再为大家提供几款比较实用的工具供大家参考使用:
MD5在线加密工具:
https://tools.uoften.com/password/CreateMD5Password
在线散列/哈希算法加密工具:
https://tools.uoften.com/password/hash_encrypt
在线MD5/hash/SHA-1/SHA-2/SHA-256/SHA-512/SHA-3/RIPEMD-160加密工具:
https://tools.uoften.com/password/hash_md5_sha
在线sha1/sha224/sha256/sha384/sha512加密工具:
https://tools.uoften.com/password/sha_encode
https://www.uoften.com/dbs/oracle/20180415/73231.html
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