Blar i Bergen Open Research Archive på forfatter "Hovd, Martha Norberg"

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    • On the IND-CCA1 Security of FHE Schemes 

      Hovd, Martha Norberg; Fauzi, Prastudy; Raddum, Håvard (Journal article; Peer reviewed, 2022)
      Fully homomorphic encryption (FHE) is a powerful tool in cryptography that allows one to perform arbitrary computations on encrypted material without having to decrypt it first. There are numerous FHE schemes, all of which ...

    • A Practical Adaptive Key Recovery Attack on the LGM (GSW-like) Cryptosystem 

      Fauzi, Prastudy; Hovd, Martha Norberg; Raddum, Håvard (Chapter, 2021)
      We present an adaptive key recovery attack on the leveled homomorphic encryption scheme suggested by Li, Galbraith and Ma (Provsec 2016), which itself is a modification of the GSW cryptosystem designed to resist key recovery ...

    • Studies on the Security of Selected Advanced Asymmetric Cryptographic Primitives 

      Hovd, Martha Norberg (Doctoral thesis, 2022-03-11)
      The main goal of asymmetric cryptography is to provide confidential communication, which allows two parties to communicate securely even in the presence of adversaries. Ever since its invention in the seventies, asymmetric ...