FYI
Dee Schur, Member Support
OASIS: Advancing open standards for the information society
http://www.oasis-open.org
+1.978.667.5115 x211
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IBM Encryption Breakthrough Could Secure Cloud Computing
R. Colin Johnson, Smarter Technology
"Searching databases is usually done in the clear. And even if the
query is encrypted, it has to be decrypted (revealing its contents)
before it can be used by a search engine. What's worse is that databases
themselves are stored as plaintext, available to anyone gaining access.
The smarter way to handle sensitive information would be to encrypt the
queries, encrypt the database and search it in its encrypted form.
Impossible until now, IBM's T.J. Watson Research Center recently
described a 'homomorphic' encryption scheme that allows encrypted data
to be searched, sorted and processed without decrypting it...
Even the industry-standard RSA encryption scheme -- named after its
inventors Rivest, Shamir and Adleman -- is partially homomorphic, in
that it allows simple multiplication of two encrypted numbers to yield
their product. What Gentry and IBM have succeeded in crafting is a
fully homomorphic encryption scheme where any mathematical operation
can be made to work as expected. Fully homomorphic encryption schemes
theoretically allow cyphertext to be manipulated as easily as plaintext,
making it perfect for modern cloud computing, where your data is
located remotely..."
http://tinyurl.com/ygxv9a5
See also Homomorphic Encryption:
http://domino.research.ibm.com/comm/research_projects.nsf/pages/security.hom
oenc.html
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