Adam Back: Difference between revisions
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| birth_name = Adam Back |
| birth_name = Adam Back |
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| birth_place = [[London]], [[England]]<br>[[United Kingdom]] |
| birth_place = [[London]], [[England]]<br>[[United Kingdom]] |
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| birth_date = {{birth |
| birth_date = {{birth year and age|1970|7}} |
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| nationality = British |
| nationality = British |
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| residence = [[Sliema]], [[Malta]] |
| residence = [[Sliema]], [[Malta]] |
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'''Adam Back''' is a [[United Kingdom|British]] [[cryptographer]] and crypto-hacker. |
'''Adam Back''' is a [[United Kingdom|British]] [[cryptographer]] and crypto-hacker. |
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He is the inventor of [[hashcash]], the [[proof-of-work system]] used by [[Bitcoin]] and the stamp based [[email spam|anti-spam]] mechanism in [[SpamAssassin]] and [[Microsoft]]'s [http://office.microsoft.com/en-us/outlook-help/how-outlook-e-mail-postmarking-helps-reduce-spam-HA010062592.aspx PostMark] and a [http://www.hashcash.org/mail/ number of unix mail software packages]. Hashcash has also been used for defending against [[denial-of-service]] attacks, [http://hashcash.org/blog/ combating blog spam], and [http://www.i2p2.de/how_threatmodel.html defending against user namespace pollution]. Hashcash was [http://hashcash.org/papers/announce.txt originally proposed] as a way to mitigate spammer abuse of [[Anonymous remailer|anonymous remailers]] in an unlinkable and privacy preserving way. |
He is the inventor of [[hashcash]], the [[proof-of-work system]] used by [[Bitcoin]] and the stamp based [[email spam|anti-spam]] mechanism in [[SpamAssassin]] and [[Microsoft]]'s [http://office.microsoft.com/en-us/outlook-help/how-outlook-e-mail-postmarking-helps-reduce-spam-HA010062592.aspx PostMark] and a [http://www.hashcash.org/mail/ number of unix mail software packages]. Hashcash has also been used for defending against [[denial-of-service]] attacks, [http://www.hashcash.org/blog/ combating blog spam], and [http://www.i2p2.de/how_threatmodel.html defending against user namespace pollution]. Hashcash was [http://www.hashcash.org/papers/announce.txt originally proposed] as a way to mitigate spammer abuse of [[Anonymous remailer|anonymous remailers]] in an unlinkable and privacy preserving way. |
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He implemented credlib [http://www.cypherspace.org/credlib], a library that implements the credential systems of [[Stefan Brands]] and [[David Chaum]]. |
He implemented credlib [http://www.cypherspace.org/credlib], a library that implements the credential systems of [[Stefan Brands]] and [[David Chaum]]. |
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Revision as of 18:14, 18 October 2012
Adam Back | |
|---|---|
| Born | Adam Back July 1970 (age 54) |
| Nationality | British |
| Occupation | cryptographer |
| Known for | hashcash |
| Website | http://www.cypherspace.org/adam/ |
Adam Back is a British cryptographer and crypto-hacker.
He is the inventor of hashcash, the proof-of-work system used by Bitcoin and the stamp based anti-spam mechanism in SpamAssassin and Microsoft's PostMark and a number of unix mail software packages. Hashcash has also been used for defending against denial-of-service attacks, combating blog spam, and defending against user namespace pollution. Hashcash was originally proposed as a way to mitigate spammer abuse of anonymous remailers in an unlinkable and privacy preserving way.
He implemented credlib [1], a library that implements the credential systems of Stefan Brands and David Chaum.
He was the first to formalize the Non-Interactive Forward-Secrecy security property for email and to observe that any Identity Based Encryption scheme can be used to provide Non-Interactive Forward Secrecy.
He is also known for pioneering the use of ultra-compact code with his 3-line RSA in Perl signature file and non-exportable T-shirts to protest the (now relaxed) United States cryptography export regulations.
He has a Computer Science Ph.D. from University of Exeter.
External links
See also
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