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On the impact of decryption failures on the security of LWE/LWR based schemes
Lattice cryptography Post-quantum cryptography Decryption failures
2018/11/12
In this paper we investigate the impact of decryption failures on the chosen-ciphertext security of (Ring/Module)-Learning With Errors and (Ring/Module)-Learning with Rounding based primitives. Our an...
Eliminating Decryption Failures from the Simple Matrix Encryption Scheme
Functional Encryption Adaptive Security Inner-Product
2016/1/27
The SimpleMatrix encryption scheme as proposed by Tao et
al. [16] is one of the very few existing approaches to create a secure and ef-
ficient encryption scheme on the basis of multivariate polynom...
Rogue Decryption Failures: Reconciling AE Robustness Notions
provable security authenticated encryption multiple errors
2015/12/23
An authenticated encryption scheme is deemed secure (AE)
if ciphertexts both look like random bitstrings and are unforgeable. AE is
a much stronger notion than the traditional IND–CCA. One shortcomi...
On Symmetric Encryption with Distinguishable Decryption Failures
cryptographic practice implementation
2014/3/11
We propose to relax the assumption that decryption failures are indistinguishable in security models for symmetric encryption. Our main purpose is to build models that better reflect the reality of cr...
We consider the impact of the possibility of decryption failures in proofs of security for
padding schemes, where these failures are both message and key dependent. We explain that
an average case f...