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In cryptography, encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Only authorized parties can decipher a ciphertext back to plaintext and access the original information.
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In multivariate public key cryptography, why can not we use the same public key for both sig...
In multivariate public key cryptography, why can not we use the same public key for both signature and encryption?
I read that for signatures the public polynomial $P:\mathbb{F}^n\rightarrow \mathbb{F …