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Partial file encryption c#

Rum Wind

Good day everyone,
I'm doing some job with file encryption and want to do partial file encryption.
Let's say i have text file with data:
123456789999999888844565452 and want to encrypt only part of file
xxxxxxxxxx999999888844565452 - where x encrypted part.

How I can do this ?
I've tried to do this but everything failed because when decrypting algorithm throws "invalid password" error.

1 Reply

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sudipta sanyal12y ago
i am done it in sqlserver . please check the link

http://sudiptasanyal.blogspot.in/2013/10/how-to-masking-in-sql-server.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+AspnetProfessional+(Asp.net+Professional)