Issue while encoding a string

Question

I'm developing an application where at some point i need an encoded stream of bytes based on the given user output.

Something like

Encoding sysEncode = System.Text.Encoding.GetEncoding(850);
byte[] dataToEncrypt = sysEncode.GetBytes(m_oStrActivation);

However when i extract the string from the byte stream i get the encrypted string as

W?????e?????W?X????;??2????W???????@

Is there any way(type of Encoding/equivalent) i can restrict these question marks and allow only plain scrambled alphanumeric characters ?

Anton Gogolev · Accepted Answer · 2010-02-16 08:52:19Z

1

From m_oStrActivation and you mentioning "encryption" I assume that you're writing some kind of activation/licensing code. If this is the case, you're doing it wrong. A correct way to do this is to use a hash function over your activation data.

You can then transform this string into Base64 string using Convert.ToBase64String() method.

answered Feb 16, 2010 at 8:52

Anton Gogolev

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1 Comment

Michael Burr Over a year ago

To be clear for constantlearner - the System.Text.Encoding namespace has nothing to do with encryption - it's for dealing with character set code pages.

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