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// Import necessary libraries | ||
use std::collections::HashMap; | ||
use std::hash::{Hash, Hasher}; | ||
use std::io::{Read, Write}; | ||
use std::ops::{Add, Mul, Sub}; | ||
use std::vec::Vec; | ||
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// Define the QRC module | ||
pub mod qrc { | ||
// Define the lattice-based cryptographic algorithm (NTRU) | ||
pub struct NTRU { | ||
pub n: u32, | ||
pub q: u32, | ||
pub p: u32, | ||
pub f: Vec<i32>, | ||
pub g: Vec<i32>, | ||
pub h: Vec<i32>, | ||
} | ||
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// Implement the NTRU algorithm | ||
impl NTRU { | ||
// Generate a new NTRU key pair | ||
pub fn new(n: u32, q: u32, p: u32) -> (NTRU, NTRU) { | ||
// Generate the private key (f, g) | ||
let mut f = Vec::new(); | ||
let mut g = Vec::new(); | ||
for _ in 0..n { | ||
f.push(rand::random::<i32>() % q); | ||
g.push(rand::random::<i32>() % q); | ||
} | ||
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// Generate the public key (h) | ||
let mut h = Vec::new(); | ||
for i in 0..n { | ||
h.push((f[i] * g[i] + p) % q); | ||
} | ||
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// Return the key pair | ||
(NTRU { n, q, p, f, g, h }, NTRU { n, q, p, f, g, h }) | ||
} | ||
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// Encrypt a message using the public key | ||
pub fn encrypt(&self, message: &Vec<i32>) -> Vec<i32> { | ||
// Perform the encryption operation | ||
let mut ciphertext = Vec::new(); | ||
for i in 0..self.n { | ||
ciphertext.push((message[i] * self.h[i] + self.q) % self.q); | ||
} | ||
ciphertext | ||
} | ||
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// Decrypt a ciphertext using the private key | ||
pub fn decrypt(&self, ciphertext: &Vec<i32>) -> Vec<i32> { | ||
// Perform the decryption operation | ||
let mut plaintext = Vec::new(); | ||
for i in 0..self.n { | ||
plaintext.push((ciphertext[i] * self.f[i] + self.q) % self.q); | ||
} | ||
plaintext | ||
} | ||
} | ||
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// Define the code-based cryptographic algorithm (McEliece) | ||
pub struct McEliece { | ||
pub n: u32, | ||
pub k: u32, | ||
pub t: u32, | ||
pub g: Vec<Vec<i32>>, | ||
pub h: Vec<Vec<i32>>, | ||
} | ||
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// Implement the McEliece algorithm | ||
impl McEliece { | ||
// Generate a new McEliece key pair | ||
pub fn new(n: u32, k: u32, t: u32) -> (McEliece, McEliece) { | ||
// Generate the private key (g) | ||
let mut g = Vec::new(); | ||
for _ in 0..k { | ||
let mut row = Vec::new(); | ||
for _ in 0..n { | ||
row.push(rand::random::<i32>() % 2); | ||
} | ||
g.push(row); | ||
} | ||
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// Generate the public key (h) | ||
let mut h = Vec::new(); | ||
for i in 0..k { | ||
let mut row = Vec::new(); | ||
for j in 0..n { | ||
row.push((g[i][j] + t) % 2); | ||
} | ||
h.push(row); | ||
} | ||
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// Return the key pair | ||
(McEliece { n, k, t, g, h }, McEliece { n, k, t, g, h }) | ||
} | ||
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// Encrypt a message using the public key | ||
pub fn encrypt(&self, message: &Vec<i32>) -> Vec<i32> { | ||
// Perform the encryption operation | ||
let mut ciphertext = Vec::new(); | ||
for i in 0..self.k { | ||
ciphertext.push((message[i] * self.h[i][0] + self.t) % 2); | ||
} | ||
ciphertext | ||
} | ||
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// Decrypt a ciphertext using the private key | ||
pub fn decrypt(&self, ciphertext: &Vec<i32>) -> Vec<i32> { | ||
// Perform the decryption operation | ||
let mut plaintext = Vec::new(); | ||
for i in 0..self.k { | ||
plaintext.push((ciphertext[i] * self.g[i][0] + self.t) % 2); | ||
} | ||
plaintext | ||
} | ||
} | ||
} | ||
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// Export the QRC module | ||
pub use qrc::{NTRU, McEliece}; |