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{{Short description|System allowing searching of encrypted documents}}
[[File:Searchable Symmetric Encryption (SSE) scheme.png|thumb|400x400px|Keyword search using an SSE scheme]]
'''Searchable symmetric encryption''' ('''SSE''') is a form of [[encryption]] that allows one to efficiently search over a collection of encrypted documents or files without the ability to decrypt them.<ref name=":0">{{Cite book|last1=Dawn Xiaoding Song|last2=Wagner|first2=D.|last3=Perrig|first3=A.|title=Proceeding 2000 IEEE Symposium on Security and Privacy. S&P 2000 |chapter=Practical techniques for searches on encrypted data |chapter-url=http://dx.doi.org/10.1109/secpri.2000.848445|year=2000|pages=44–55|publisher=IEEE Comput. Soc|doi=10.1109/secpri.2000.848445|isbn=0-7695-0665-8|s2cid=2829840}}</ref><ref name=":1">{{Cite book|last1=Curtmola|first1=Reza|last2=Garay|first2=Juan|last3=Kamara|first3=Seny|last4=Ostrovsky|first4=Rafail|title=Proceedings of the 13th ACM conference on Computer and communications security |chapter=Searchable symmetric encryption |date=2006-10-30|chapter-url=https://doi.org/10.1145/1180405.1180417|series=CCS '06|___location=Alexandria, Virginia, USA|publisher=Association for Computing Machinery|pages=79–88|doi=10.1145/1180405.1180417|isbn=978-1-59593-518-2|s2cid=961719}}</ref><ref>{{Cite journal |last=Amorim |first=Ivone |last2=Costa |first2=Ivan |date=2023-07-01 |title=Leveraging Searchable Encryption through Homomorphic Encryption: A Comprehensive Analysis |url=https://www.mdpi.com/2227-7390/11/13/2948 |journal=Mathematics |language=en |volume=11 |issue=13 |pages=2948 |doi=10.3390/math11132948 |issn=2227-7390}}</ref> SSE can be used to outsource files to an untrusted cloud storage server without ever revealing the files in the clear but while preserving the server's ability to search over them.
 
== Description ==