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ERRORCODE=-4221, InvalidKeyException when using AES encryption with DB2 JDBC Driver

Troubleshooting


Problem

May get error as "ERRORCODE=-4221, InvalidKeyException" from your Java application when using AES encryption with DB2 JDBC Driver

Symptom

The java application may return error message like below:

Exception: com.ibm.db2.jcc.am.SqlException: [jcc][1068][10625][4.15.82] Caught java.security.InvalidKeyException while encrypting data. See attached Throwable
for details. ERRORCODE=-4221, SQLSTATE=null
com.ibm.db2.jcc.am.SqlException: [jcc][1068][10625][4.15.82] Caught java.security.InvalidKeyException while encrypting data. See attached Throwable for details
. ERRORCODE=-4221, SQLSTATE=null
at com.ibm.db2.jcc.am.fd.a(fd.java:680)
at com.ibm.db2.jcc.am.fd.a(fd.java:60)
at com.ibm.db2.jcc.am.fd.a(fd.java:85)
at com.ibm.db2.jcc.am.rc.a(rc.java:557)
at com.ibm.db2.jcc.am.rc.a(rc.java:497)
at com.ibm.db2.jcc.t4.b.h(b.java:2837)
at com.ibm.db2.jcc.t4.b.a(b.java:6491)
at com.ibm.db2.jcc.t4.b.b(b.java:844)
at com.ibm.db2.jcc.t4.b.a(b.java:761)
at com.ibm.db2.jcc.t4.b.a(b.java:424)
at com.ibm.db2.jcc.t4.b.a(b.java:399)
at com.ibm.db2.jcc.t4.b.<init>(b.java:337)
at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource
.java:232)
at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource
.java:198)
at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:475)
at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:116)
at java.sql.DriverManager.getConnection(DriverManager.java:571)
at java.sql.DriverManager.getConnection(DriverManager.java:215)
at ConnectSample.main(ConnectSample.java:10)
Caused by: java.security.InvalidKeyException: Illegal key size
at javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1024)
at javax.crypto.Cipher.implInit(Cipher.java:790)
at javax.crypto.Cipher.chooseProvider(Cipher.java:849)
at javax.crypto.Cipher.init(Cipher.java:1348)
at javax.crypto.Cipher.init(Cipher.java:1282)
at com.ibm.db2.jcc.am.rc.a(rc.java:552)
... 15 more

[{"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Programming Interface - JDBC","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"9.7;9.5;10.1;10.5","Edition":"Advanced Enterprise Server;Advanced Workgroup Server;Enterprise Server;Express;Personal;Workgroup Server","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

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Document Information

Modified date:
30 April 2025

UID

swg21668374

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