After I imported SJCL AES key using new sjcl.cipher.aes(rawKey), how can I get rawKey value back from the key instance?
How to export SJCL AES key back to raw format?
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As far as I know it is not easily possible. Looking at the code, the key is immediatly transformed using the S-Box. The result ist stored in
this._key, so you could get that result and then use the reverse S-Box to restorerawKey. This should work, but just storing the key in a variable is of course way simpler.