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I read about 3DES Cryptographyencryption but iI don't understand exactly what is the specific meaning of Keykey size? for example
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i found that 3des support 64,128,192,256 bits key size
what is. For example I found that 3DES supports 64, 128, 192, and 256 bits key size. What are all the possible key sizesizes supported by 3des 3DES? there isIs there any function to calculatedetermine if a key is valid for 3des3DES or not ?