116 lines
3.4 KiB
Rust
116 lines
3.4 KiB
Rust
use rand;
|
|
use rand::prelude::*;
|
|
use rsa::{Hash, PaddingScheme, PublicKey, RsaPrivateKey, RsaPublicKey};
|
|
use rsa::pkcs8::{FromPrivateKey, FromPublicKey, ToPrivateKey, ToPublicKey};
|
|
use sha2::{Digest, Sha256};
|
|
|
|
pub fn generate_random_string() -> String {
|
|
let mut rng = rand::thread_rng();
|
|
let value: [u8; 16] = rng.gen();
|
|
hex::encode(value)
|
|
}
|
|
|
|
pub fn hash_password(password: &str) -> Result<String, argon2::Error> {
|
|
let mut rng = rand::thread_rng();
|
|
let salt: [u8; 32] = rng.gen();
|
|
let config = argon2::Config::default();
|
|
|
|
argon2::hash_encoded(password.as_bytes(), &salt, &config)
|
|
}
|
|
|
|
pub fn verify_password(
|
|
password_hash: &str,
|
|
password: &str,
|
|
) -> Result<bool, argon2::Error> {
|
|
argon2::verify_encoded(password_hash, password.as_bytes())
|
|
}
|
|
|
|
pub fn generate_private_key() -> Result<RsaPrivateKey, rsa::errors::Error> {
|
|
let mut rng = rand::rngs::OsRng;
|
|
let bits = 2048;
|
|
RsaPrivateKey::new(&mut rng, bits)
|
|
}
|
|
|
|
pub fn serialize_private_key(
|
|
private_key: RsaPrivateKey,
|
|
) -> Result<String, rsa::pkcs8::Error> {
|
|
private_key.to_pkcs8_pem().map(|val| val.to_string())
|
|
}
|
|
|
|
pub fn deserialize_private_key(
|
|
private_key_pem: &str,
|
|
) -> Result<RsaPrivateKey, rsa::pkcs8::Error> {
|
|
RsaPrivateKey::from_pkcs8_pem(&private_key_pem)
|
|
}
|
|
|
|
pub fn get_public_key_pem(
|
|
private_key: &RsaPrivateKey,
|
|
) -> Result<String, rsa::pkcs8::Error> {
|
|
let public_key = RsaPublicKey::from(private_key);
|
|
public_key.to_public_key_pem()
|
|
}
|
|
|
|
pub fn deserialize_public_key(
|
|
public_key_pem: &str,
|
|
) -> Result<RsaPublicKey, rsa::pkcs8::Error> {
|
|
RsaPublicKey::from_public_key_pem(&public_key_pem.trim())
|
|
}
|
|
|
|
pub fn sign_message(
|
|
private_key: &RsaPrivateKey,
|
|
message: &str,
|
|
) -> Result<String, rsa::errors::Error> {
|
|
let digest = Sha256::digest(message.as_bytes());
|
|
let padding = PaddingScheme::new_pkcs1v15_sign(Some(Hash::SHA2_256));
|
|
let signature = private_key.sign(padding, &digest)?;
|
|
let signature_b64 = base64::encode(&signature);
|
|
Ok(signature_b64)
|
|
}
|
|
|
|
pub fn get_message_digest(message: &str) -> String {
|
|
let digest = Sha256::digest(message.as_bytes());
|
|
let digest_b64 = base64::encode(digest);
|
|
format!("SHA-256={}", digest_b64)
|
|
}
|
|
|
|
pub fn verify_signature(
|
|
public_key: &RsaPublicKey,
|
|
message: &str,
|
|
signature_b64: &str,
|
|
) -> Result<bool, base64::DecodeError> {
|
|
let digest = Sha256::digest(message.as_bytes());
|
|
let padding = PaddingScheme::new_pkcs1v15_sign(Some(Hash::SHA2_256));
|
|
let signature = base64::decode(signature_b64)?;
|
|
let is_valid = public_key.verify(
|
|
padding,
|
|
&digest,
|
|
&signature,
|
|
).is_ok();
|
|
Ok(is_valid)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use rand::rngs::OsRng;
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_public_key_serialization_deserialization() {
|
|
let private_key = RsaPrivateKey::new(&mut OsRng, 512).unwrap();
|
|
let public_key_pem = get_public_key_pem(&private_key).unwrap();
|
|
let public_key = deserialize_public_key(&public_key_pem).unwrap();
|
|
assert_eq!(public_key, RsaPublicKey::from(&private_key));
|
|
}
|
|
|
|
#[test]
|
|
fn test_verify_signature() {
|
|
let private_key = RsaPrivateKey::new(&mut OsRng, 512).unwrap();
|
|
let message = "test".to_string();
|
|
let signature = sign_message(&private_key, &message).unwrap();
|
|
let public_key = RsaPublicKey::from(&private_key);
|
|
|
|
let is_valid = verify_signature(&public_key, &message, &signature).unwrap();
|
|
assert_eq!(is_valid, true);
|
|
}
|
|
}
|