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Editorial Team
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Asked: 2026-05-27T07:57:12+00:00

May be it is not a programming question, but i want to clarify Is

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May be it is not a programming question, but i want to clarify

Is there any difference between org.apache.commons.codec.binary.Base64 & com.sun.org.apache.xml.internal.security.utils.Base64?

Some of my J2EE application classes are using org.apache.commons.codec.binary.Base64 and some are using com.sun.org.apache.xml.internal.security.utils.Base64.

I want to change to org.apache.commons.codec.binary.Base64 as it is stable.

Already my app is running fine,but after the change will it continue to run fine i.e.,
will the encoding done by com.sun.org.apache.xml.internal.security.utils.Base64 method be able to decode through org.apache.commons.codec.binary.Base64 method?

I just want to clarify before i make a change to my production code.

Please clarify.

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1 Answer

  1. Editorial Team

    You should always avoid using classes from com.sun.* packages directly. These are internal classes used to implement the JVM. They can be changed without notice on every update, thus breaking your code.

    Base64 is standardized by the IETF, so both implementations should produce the same output. RFC 4648

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