>>>I'd like to create a hash (i.e. non-reversible) from a SSN that is at least the same length as a SSN. A checksum only gives you 4 digits. I tried a hash function in the cryptapi class but it was a bunch of odd characters.
>>>
>>>Regards,
>>>
>>E.R.,
>>
>>Not knowing which hash algorithm you use, I'd say that you're getting exactly the right thing. We're using an MD5 hash to check passwords. The string should be 16 to 20 characters long.
>
>Greetings Geroge,
>
>Thank you. I think I wasn't clear on what I'm looking for. What I'd like to have instead of the odd character string is a numeric or even alphanumeric string of the same length - similar to a checksum. Is that possible?
>
>Regards,
>
>E.R.

I think Alex has given you your answer.