CryptoSys API Library Manual

Valid key and block sizes for block cipher algorithms

AlgorithmKey size (bytes)Block size (bytes)IV size (bytes)Valid ECB/CBC data lengths
Triple DES24888, 16, 24, 32, ..., 8k, ... bytes
AES-12816161616, 32, 48, 64, ..., 16k, ... bytes
AES-19224161616, 32, 48, 64, ..., 16k, ... bytes
AES-25632161616, 32, 48, 64, ..., 16k, ... bytes

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