From bitcoinj v0.2

I have used bitcoinj v0.2 From wich I have a base64 string of 12 bytes 16 characters and a base58 string of 34 characters that is 25 bytes. it has a xor test in that string so I have a matching 10 bytes from the base64 string with a matching 16 bytes from that base58 string

But how do I use them? Is this aes-128? so the 16 bytes is a encrypted seed? Or do I have to join then togheter to get a 26 bytes raw private key It's from the time before WIF

thanks



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