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Intrusion-Tolerant Order-Preserving Encryption, John Huson
Intrusion-Tolerant Order-Preserving Encryption, John Huson
Masters Theses, 2010-2019
Traditional encryption schemes such as AES and RSA aim to achieve the highest level of security, often indistinguishable security under the adaptive chosen-ciphertext attack. Ciphertexts generated by such encryption schemes do not leak useful information. As a result, such ciphertexts do not support efficient searchability nor range queries.
Order-preserving encryption is a relatively new encryption paradigm that allows for efficient queries on ciphertexts. In order-preserving encryption, the data-encrypting key is a long-term symmetric key that needs to stay online for insertion, query and deletion operations, making it an attractive target for attacks.
In this thesis, an intrusion-tolerant order-preserving encryption system …