Ciphertext-independent updatable encryption (UE) allows to rotate encryption keys and update ciphertexts via a token without the need …
We define and analyze the Commutative Isogeny Hidden Number Problem which is the natural analogue of the Hidden Number Problem in the …
We define the Generic Group Action Model (GGAM), an adaptation of the Generic Group Model to the setting of group actions (such as …
In the context of quantum-resistant cryptography, cryptographic group actions offer an abstraction of isogeny-based cryptography in …