EBS密码加密研究



DECLARE

  v_password_1 VARCHAR2(240);

  v_password_2 VARCHAR2(240);

  v_password_3 VARCHAR2(240);

BEGIN

  v_password_1 := 'CxY-1234567-AbC';

  dbms_output.put_line('加密前：' || v_password_1);

  --加密

  v_password_2 := cux_password_demo.password_encrypt(p_passwd => v_password_1);

dbms_output.put_line('加密后：' || v_password_2);

  --解密

  v_password_3 := cux_password_demo.password_decrypt(p_passwd => v_password_2);

dbms_output.put_line('解密后：' || v_password_3);

END;

CREATE OR REPLACE PACKAGE cux_password_demo AS

  /*==================================================

  -- Author  : CXY5632

  -- Created : 2014/2/20 18:04:03

  -- Purpose : 密码加密解密演示

 

                    

  ==============================================*/

FUNCTION decrypt(key IN VARCHAR2, VALUE IN VARCHAR2) RETURN VARCHAR2;

FUNCTION encrypt(key IN VARCHAR2, VALUE IN VARCHAR2) RETURN VARCHAR2;

FUNCTION password_encrypt(p_passwd IN VARCHAR2) RETURN VARCHAR2;

FUNCTION password_decrypt(p_passwd IN VARCHAR2) RETURN VARCHAR2;

END cux_password_demo;

/

CREATE OR REPLACE PACKAGE BODY cux_password_demo AS

  /*==================================================

  -- Author  : CXY5632

  -- Created : 2014/2/20 18:04:03

  -- Purpose : 密码加密解密演示

 

                    

  ==============================================*/

FUNCTION decrypt(key IN VARCHAR2, VALUE IN VARCHAR2) RETURN VARCHAR2 AS

    LANGUAGE JAVA NAME 'oracle.apps.fnd.security.WebSessionManagerProc.decrypt(java.lang.String,java.lang.String) return java.lang.String';

FUNCTION encrypt(key IN VARCHAR2, VALUE IN VARCHAR2) RETURN VARCHAR2 AS

    LANGUAGE JAVA NAME 'oracle.apps.fnd.security.WebSessionManagerProc.encrypt(java.lang.String,java.lang.String) return java.lang.String';

/* =============================================

  *   FUNCTION

  *   NAME :

  *         password_decrypt

  *   DESCRIPTION:

  *         暗文解密

  *   ARGUMENT:

  *         p_passwd : 需要解密的暗文解密

  *   RETURN:

  *      

  *   HISTORY:

  *     1.00   2014-02-20   cxy   Creation

  * =============================================*/

  FUNCTION password_decrypt(p_passwd IN VARCHAR2) RETURN VARCHAR2 IS

    l_decrypted_passwd VARCHAR2(100);

  BEGIN

    SELECT decrypt((SELECT (SELECT decrypt(fnd_web_sec.get_guest_username_pwd,

                                          usertable.encrypted_foundation_password)

                             FROM dual) AS apps_password

                     FROM apps.fnd_user usertable

                    WHERE usertable.user_name =

                          (SELECT substr(fnd_web_sec.get_guest_username_pwd,

                                         1,

                                         instr(fnd_web_sec.get_guest_username_pwd,

                                               '/') - 1)

                             FROM dual)),

                   p_passwd)

      INTO l_decrypted_passwd

      FROM dual;

    RETURN l_decrypted_passwd;

  EXCEPTION

    WHEN OTHERS THEN

      RAISE fnd_api.g_exc_unexpected_error;

  END password_decrypt;

/* =============================================

  *   FUNCTION

  *   NAME :

  *         password_encrypt

  *   DESCRIPTION:

    *         明文加密

  *   ARGUMENT:

  *         p_passwd : 需要加密的明文

  *   RETURN:

  *      

  *   HISTORY:

  *     1.00   2014-02-20   cxy   Creation

  * =============================================*/

  FUNCTION password_encrypt(p_passwd IN VARCHAR2) RETURN VARCHAR2 IS

    l_encrypted_passwd VARCHAR2(100);

  BEGIN

    SELECT encrypt((SELECT (SELECT decrypt(fnd_web_sec.get_guest_username_pwd,

                                          usertable.encrypted_foundation_password)

                             FROM dual) AS apps_password

                     FROM apps.fnd_user usertable

                    WHERE usertable.user_name =

                          (SELECT substr(fnd_web_sec.get_guest_username_pwd,

                                         1,

                                         instr(fnd_web_sec.get_guest_username_pwd,

                                               '/') - 1)

                             FROM dual)),

                   p_passwd)

      INTO l_encrypted_passwd

      FROM dual;

    RETURN l_encrypted_passwd;

  EXCEPTION

    WHEN OTHERS THEN

      RAISE fnd_api.g_exc_unexpected_error;

  END password_encrypt;

END cux_password_demo;

/