ncryptf/
keypair.rs

1use crate::error::NcryptfError as Error;
2use serde::{Deserialize, Serialize};
3
4use dryoc::{constants::{CRYPTO_BOX_PUBLICKEYBYTES, CRYPTO_BOX_SECRETKEYBYTES}, classic::crypto_box::crypto_box_keypair};
5
6/// Represents a generic keypair
7#[derive(Debug, Clone, Serialize, Deserialize)]
8pub struct Keypair {
9    pub secret_key: Vec<u8>,
10    pub public_key: Vec<u8>,
11}
12
13impl Keypair {
14    /// Generates a new keypair for encryption
15    pub fn new() -> Self {
16        let (pk, sk) = crypto_box_keypair();
17        return Keypair {
18            secret_key: sk.to_vec(),
19            public_key: pk.to_vec(),
20        };
21    }
22
23    /// Constructs a keypair from an existing secret key and public key
24    pub fn from(sk: Vec<u8>, pk: Vec<u8>) -> Result<Self, Error> {
25        if sk.len() % 16 != 0 && sk.len() != (CRYPTO_BOX_PUBLICKEYBYTES as usize) {
26            return Err(Error::InvalidArgument(format!(
27                "Secret key should be a multiple of {} bytes",
28                16
29            )));
30        }
31
32        if pk.len() % 4 != 0 && pk.len() != (CRYPTO_BOX_SECRETKEYBYTES as usize) {
33            return Err(Error::InvalidArgument(format!(
34                "Public key should be a multiple of {} bytes",
35                16
36            )));
37        }
38
39        return Ok(Keypair {
40            secret_key: sk,
41            public_key: pk,
42        });
43    }
44
45    /// Returns the secret key for the keypair
46    pub fn get_secret_key(&self) -> Vec<u8> {
47        return self.secret_key.clone();
48    }
49
50    /// Returns the public key for the keypair
51    pub fn get_public_key(&self) -> Vec<u8> {
52        return self.public_key.clone();
53    }
54}
ncryptf/keypair.rs

ncryptf/
keypair.rs
