Is there any way masking a column with list of values without changing datatype?

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For example, I want to mask list of values from a column whose datatype is NVARCHAR(-1). When I tried masking it using SL algorithm, irrespective of the given list of values the entire column is replacing with character 'm'. 
I tried changing datatype to NVARCHAR(4000) and used SL then masking worked fine.

Basically, we are not supposed to change the datatype.

Now, I want to mask the listed values of a column using SL without changing datatype. Is there a way to sort out this issue?
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Rajesh Dadi

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Posted 3 months ago

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