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cs.CR2026
Subgroup Packing for Batched PASTA Transciphering
Mugurel Barcau, Vicenţiu Paşol, George C. Ţurcaş
With transciphering, a server converts symmetrically encrypted records into homomorphic ciphertexts without learning the records or the symmetric key. For the PASTA cipher, this co…
cs.CR2026★ 1 cited
Bridges connecting Encryption Schemes
Mugurel Barcau, Cristian Lupascu, Vicentiu Pasol +1
The present work investigates a type of morphisms between encryption schemes, called bridges. By associating an encryption scheme to every such bridge, we define and examine their…