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help3007

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UWA week 21 (1st semester, week 12) ↓

project Caesar key from cli - reject or % out-of-range values? (all 3)

12:03pm Thu 23rd May, Arran S.

Yes, this has already been answered.

ANONYMOUS wrote:

Hoping to get some clarification as to how we should be handling cases where an out of range int is passed into the caesar functions.

From crypto.h, we know that a precondition of key is that it must fall within the range of (range_low - range_high) to (range_high - range_low).

If a value which exceeds this range is passed into the cli (e.g. cli(argv[0],"caesar-encrypt","52","HELLO"), would it be acceptable to mod this value by the range so that the operation is still performed (which is consistent with many of the online implementations referenced in the spec) or do we reject it on the basis of having an out of range key?

Apologies if this has already been answered.

Thanks!

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