Hello I have a question regarding AES in python cryptography which uses a block size of 128 bits. Currently I am using 256 bit keys with AES in CTR mode. However, internally the python cryptography uses a block size of 128. My understanding is that block size and key size are the same for symmetric encryption. How does a 256 bits key work in this case? Appreciate if someone could provide some explanation about this and clear my confusion.
Thanks Arshad
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