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seen Aug 22 '13 at 14:58

Jun
3
revised With HMAC, can an attacker recover the key, given many known plaintext/tag pairs?
edited title
Mar
18
revised How to verify a number encrypted with an unknown key
added 6 characters in body
Feb
6
revised Is such a crypto-system available?
added 12 characters in body
Feb
6
revised Is such a crypto-system available?
added a use case
Feb
5
revised Is such a crypto-system available?
added 103 characters in body
Feb
5
revised Is such a crypto-system available?
Clarifications related to first comments
Feb
5
revised Is such a crypto-system available?
Clarifications related to first comments