Proof of Retrievability (POR)
Protocol that allows a client that has stored data at an untrusted store to verify in an efficient way that has means to retrieve the original data without actually retrieving it.
Source:
[JK2007] Juels, A., Kaliski, B. S. Jr., Pors: proofs of retrievability for large files. In Proceedings of the 14th ACM conference on Computer and communications security (CCS '07), ACM, New York, NY, USA, pp. 584-597, 2007. DOI=http://doi.acm.org/10.1145/1315245.1315317
