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Reference Implementation of RLWE-Based schemes?

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zbo

Now RLWE-based Encryption scheme is so popular because of its post-quantum property and application in Homomorphic Encryption. I am trying to get more familar with RLWE-based Encryption by implementing it. I know there is a lot of library already give some industrial implementation like NIST post quantum submissions, Microsoft SEAL . But it uses so many optimization like NTT transform , RNS representation and sometimes special instruction sets to accelerate the scheme. These implementation are tough for me to understand it intuitively.

So I am trying to find some basic implementation of LPR's scheme or Regev's scheme which I can associate the code with corresponding math stuff. From converting a message in ascii format to elements in a Ring (i.e plaintext space), sampling a element from discrete Gaussion distribution, doing operations in a Ring, Rounding operation to convering a element in a Ring to some ascii text. Is there any such open implementation ? Or any sugestions in coding ?

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