I have a string holding some parameters that needs to be encrypted in AES-128 in ECB mode with PKCS7 padding, and then Base-64 encoded.
My code base is Java 1.4. Is this possible with Java 1.4 api ?
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http://stackoverflow.com/questions/2100433/to-use-aes-with-256-bits-in-inbuild-java-1-4-api – QuestionQuestion Oct 30 '14 at 18:56
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Yes, you can. You would need a separate library for the base 64 encoding/decoding though. For the encryption you can use Cipher.getInstance("AES/ECB/PKCS5Padding"). Note that PKCS#5 padding is the same as PKCS#7 padding.
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Maarten Bodewes
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Note that you shouldn't try and program security related applications on a runtime that doesn't receive security updates anymore. Try and see if you can get it compiling / running on Java 1.8 instead; Java RE is highly backwards compatible (although it *is* possible to break compatibility of course). – Maarten Bodewes Nov 01 '14 at 22:38