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;
/

EBS密码加密研究

原文：http://blog.csdn.net/cai_xingyun/article/details/19643327