quantum_cryptographic_toolkit 0.2.0

// src/algorithms/new_algorithm.rs

/// New Quantum-Resistant Algorithm implementation.
///
/// This algorithm is designed based on the latest research in lattice-based and hash-based cryptography.
/// It aims to provide enhanced security against quantum attacks while optimizing key sizes and performance.

pub struct NewAlgorithm {
    pub key: Vec<u8>,
}

impl NewAlgorithm {
    /// Initializes a new instance of the algorithm with a generated key.
    ///
    /// This constructor generates an example key for demonstration purposes.
    /// In a real-world scenario, proper key generation logic should be implemented.
    pub fn new() -> Self {
        NewAlgorithm {
            key: vec![0; 32], // Placeholder key
        }
    }

    /// Processes the input data using the core functionality of the algorithm.
    ///
    /// # Arguments
    ///
    /// * `input_data` - A byte slice representing the input data to be processed.
    ///
    /// # Returns
    ///
    /// A vector of bytes representing the processed output.
    pub fn process_data(&self, input_data: &[u8]) -> Vec<u8> {
        self.simple_transform(input_data, |x| x.wrapping_add(1))
    }

    /// A simple transformation function used for processing data.
    ///
    /// This function applies a transformation to each byte in the input data.
    ///
    /// # Arguments
    ///
    /// * `data` - A byte slice representing the data to be transformed.
    /// * `f` - A function that defines the transformation to be applied to each byte.
    ///
    /// # Returns
    ///
    /// A vector of bytes representing the transformed data.
    fn simple_transform<F>(&self, data: &[u8], f: F) -> Vec<u8>
    where
        F: Fn(u8) -> u8,
    {
        data.iter().map(|&x| f(x)).collect()
    }
}

impl Default for NewAlgorithm {
    fn default() -> Self {
        Self::new()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_new_algorithm_process_data() {
        let algorithm = NewAlgorithm::new();
        let input_data = vec![1, 2, 3, 4];
        let output_data = algorithm.process_data(&input_data);
        assert_eq!(output_data.len(), input_data.len());
    }

    #[test]
    fn test_new_algorithm_consistency() {
        let algorithm = NewAlgorithm::new();
        let input_data = vec![5, 10, 15, 20];
        let output_data = algorithm.process_data(&input_data);
        let expected_output: Vec<u8> = input_data.iter().map(|&x| x.wrapping_add(1)).collect();
        assert_eq!(output_data, expected_output);
    }

    #[test]
    fn test_new_algorithm_empty_input() {
        let algorithm = NewAlgorithm::new();
        let input_data: Vec<u8> = vec![];
        let output_data = algorithm.process_data(&input_data);
        assert!(output_data.is_empty());
    }
}