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Jan
22
comment Which categories of cipher are semantically secure under a chosen-plaintext attack?
Could you mark the question as answered please?
Jan
20
comment Which categories of cipher are semantically secure under a chosen-plaintext attack?
With a stream cipher the key is one time only. If you re-use a key the effect is the same as using a one time pad more than once.
Jan
19
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Jan
19
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Jan
19
answered Which categories of cipher are semantically secure under a chosen-plaintext attack?