How to use Cryptography?

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#1

I am using AES 256 and AES 128 blocks but I don’t know what to type in AES 256 and in AES 128 key. Please help

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#2

Check this post it’s help you

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#3

Thanks! It’s working for AES 128, I also want to know for AES 256

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#5

where is the solution
we want solution for AES 256 also

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#6

Doulbe the encryption, double the keys.

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#7

not work i try 32 digit key for aes 256 but not work

#8