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Unhash / unencrypt email addresses based on a large sample of known values

A certain well know market place hide email addresses from sellers replacing a customers real email address with a hashed value. For example a real customer email address of [url removed, login to view]@[url removed, login to view] is shown as abc123xyz987@marketplace.com. I have obtained a large number of about 400 these email / hashed email pairs.

The challenge is based on this to work out if there is a way of revealing the real email address for other hashed emails.

Skills: Cryptography, Email Handling

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About the Employer:
( 8 reviews ) Clifton, United Kingdom

Project ID: #16311420

7 freelancers are bidding on average £113 for this job

£150 GBP in 3 days
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