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Editorial Team
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Asked: 2026-05-17T01:01:52+00:00

I’ve been writing a Web Application recently that interacts with iPhones. The iPhone iphone

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I’ve been writing a Web Application recently that interacts with iPhones. The iPhone iphone will actually send information to the server in the form of a plist. So it’s not uncommon to see something like…

<key>RandomData</key>
<data>UW31vrxbUTl07PaDRDEln3EWTLojFFmsm7YuRAscirI=</data>

Now I know this data is hashed/encrypted in some fashion. When I open up the plist with an editor (Property List Editor), it shows me a more “human readable” format. For example, the data above would be converted into something like…

<346df5da 3c5b5259 74ecf683 4431249f 711630ba 232c54ac 9bf2ee44 0r1c8ab2>

Any idea what the method of converting it is? Mainly I’m looking to get this into a Java String.

Thanks!

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1 Answer

  1. Editorial Team

    After base64 decoding it you need to hex encode it. This is what PL Editor is showing you.

    So…

    <key>SomeData</key>
<data>UW31ejxbelle7PaeRAEen3EWMLojbFmsm7LuRAscirI=</data?

    Can be represented with…

    byte[] bytes = Base64.decode("UW31ejxbelle7PaeRAEen3EWMLojbFmsm7LuRAscirI=");
BigInteger bigInt = new BigInteger(bytes);
String hexString = bigInt.toString(16);
System.out.println(hexString);

    To get…

    <516df5aa 3c5b5259 74ecf683 4401259f 711630ba 236c59ac 9bb2ee44 0b1c8ab2>
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