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Line 7: == Types of attribute-based encryption schemes == There are mainly two types of attribute-based encryption schemes: Key-policy attribute-based encryption (KP-ABE)<ref name=":0" /> and ciphertext-policy attribute-based encryption (CP-ABE).<ref>{{Cite book\|~~last~~last1=Bethencourt\|~~first~~first1=J.\|last2=Sahai\|first2=A.\|last3=Waters\|first3=B.\|date=2007-05-01\|title=Ciphertext-Policy Attribute-Based Encryption\|journal=2007 IEEE Symposium on Security and Privacy (SP '07)\|pages=321–334\|doi=10.1109/SP.2007.11\|isbn=978-0-7695-2848-9\|citeseerx=10.1.1.69.3744}}</ref> In KP-ABE, users' secret keys are generated based on an access tree that defines the privileges scope of the concerned user, and data are encrypted over a set of attributes. However, CP-ABE uses access trees to encrypt data and users' secret keys are generated over a set of attributes. Line 41: ==Further reading== {{Cite journal\|~~last~~last1=Attrapadung\|~~first~~first1=Nuttapong\|last2=Herranz\|first2=Javier\|last3=Laguillaumie\|first3=Fabien\|last4=Libert\|first4=Benoît\|last5=de Panafieu\|first5=Elie\|last6=Ràfols\|first6=Carla\|date=March 2012\|title=Attribute-based encryption schemes with constant-size ciphertexts~~\|url=https://linkinghub.elsevier.com/retrieve/pii/S0304397511009649~~\|journal=Theoretical Computer Science\|language=en\|volume=422\|pages=15–38\|doi=10.1016/j.tcs.2011.12.004}} Herranz, Javier; Laguillaumie, Fabien; Ràfols, Carla (2010), Nguyen, Phong Q.; Pointcheval, David (eds.), "[https://link.springer.com/chapter/10.1007/978-3-642-13013-7_2 Constant Size Ciphertexts in Threshold Attribute-Based Encryption]", ''Public Key Cryptography – PKC 2010'', Springer Berlin Heidelberg, 6056, pp. 19–34, [[Doi (identifier)\|doi]]:[https://link.springer.com/chapter/10.1007/978-3-642-13013-7_2 10.1007/978-3-642-13013-7_2], [[ISBN (identifier)\|ISBN]] [[Special:BookSources/978-3-642-13012-0\|<bdi>978-3-642-13012-0</bdi>]], retrieved 2020-05-13

Attribute-based encryption: Difference between revisions