= Phi-hiding assumption
{wiki=Phi-hiding_assumption}
The Phi-hiding assumption is a concept in the field of cryptography, particularly related to public key encryption schemes and their security properties. Specifically, it pertains to the security of certain cryptographic primitives against adaptive chosen ciphertext attacks (CCA). In more detail, the Phi-hiding assumption is concerned with the difficulty of deriving information about the secret key when given a public key and a specific type of value, typically related to the encryption scheme in question.
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