SET Price = DBMS_CRYPTO.ENCRYPT( * ERROR at line 2: ORA-06575: Package or function DBMS_CRYPTO is in an invalid state

The error message "ORA-06575: Package or function DBMS_CRYPTO is in an invalid state" indicates that there is a problem with the DBMS_CRYPTO package or function.

To resolve this issue, you can try recompiling the package by running the following SQL command:

ALTER PACKAGE DBMS_CRYPTO COMPILE;

If that doesn't work, you may need to check if the package is installed correctly and if all the required privileges are granted to the user.

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DECLARE 2 v_key RAW(128) := UTL_RAW.cast_to_raw('251251'); 3 v_iv RAW(128) := UTL_RAW.cast_to_raw('0000000000000000'); 4 BEGIN 5 FOR r IN (SELECT ProductID, Price FROM PRODUCT) LOOP 6 UPDATE PRODUCT SET Price = DBMS_CRYPTO.ENCRYPT( 7 r.Price, DBMS_CRYPTO.AES_CBC_PKCS5, v_key, v_iv 8 ) WHERE ProductID = r.ProductID; 9 END LOOP; 10 END; 11 / UPDATE PRODUCT SET Price = DBMS_CRYPTO.ENCRYPT( * ERROR at line 6: ORA-06550: line 6, column 44: PLS-00306: wrong number or types of arguments in call to 'ENCRYPT' ORA-06550: line 6, column 32: PL/SQL: ORA-00904: "DBMS_CRYPTO"."ENCRYPT": invalid identifier ORA-06550: line 6, column 5: PL/SQL: SQL Statement ignored怎么解决

这个错误可能是因为在你的数据库中没有启用 DBMS_CRYPTO 包。请确保你的 Oracle 数据库版本支持该包，并且该包已被授权给你的用户。

你可以尝试在 SQL*Plus 中运行以下命令启用该包：

SQL> GRANT EXECUTE ON SYS.DBMS_CRYPTO TO YOUR_USER;

如果你无法授权该包，则需要联系数据库管理员请求授权。

SQL> UPDATE PRODUCT 2 SET Price = DBMS_CRYPTO.ENCRYPT( 3 src => TO_CHAR(Price), 4 typ => DBMS_CRYPTO.TYPE_AES256, 5 key => utl_raw.cast_to_raw('group25') 6 ); typ => DBMS_CRYPTO.TYPE_AES256, * ERROR at line 4: ORA-00904: "DBMS_CRYPTO"."TYPE_AES256": invalid identifier怎么解决

这个错误通常是因为 Oracle 数据库版本过低，不支持 `DBMS_CRYPTO.TYPE_AES256`。你可以尝试使用更低级别的加密算法，比如 `DBMS_CRYPTO.TYPE_AES192` 或 `DBMS_CRYPTO.TYPE_AES128`，或者升级你的 Oracle 数据库版本到支持 `DBMS_CRYPTO.TYPE_AES256` 的版本。

以下是使用 `DBMS_CRYPTO.TYPE_AES192` 的示例代码：

SQL> UPDATE PRODUCT
     SET Price = DBMS_CRYPTO.ENCRYPT(
                  src => TO_CHAR(Price),
                  typ => DBMS_CRYPTO.TYPE_AES192,
                  key => utl_raw.cast_to_raw('group25')
                );