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Which of these is NOT True for an ECB?
Every plaintext has a defined corresponding cipher text
It is ideally suited to be used with small block sizes
It can support a different key for every block type
Specific plaintext always generates the same cipher text every time
Electronic Code Book is not suited to be used with small block sizes since in such a case words may be reused often to reveal repetitive patterns in cipher text. This can make cryptanalysis easy
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