64 lines
1.7 KiB
Rust
64 lines
1.7 KiB
Rust
use std::string::String;
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use argon2::{
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Argon2,
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password_hash::{PasswordHash, PasswordHasher, PasswordVerifier, SaltString, rand_core::OsRng},
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};
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fn get_argon2<'k>() -> Argon2<'k> {
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Argon2::new(
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argon2::Algorithm::Argon2id,
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argon2::Version::V0x13,
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argon2::Params::new(
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4_096, // 4 MB. The code run on raspberry pi zero, the default memory is too high.
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4, // Number of iteration.
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2, // Degree of parallelism.
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None,
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)
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.unwrap(),
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)
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}
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pub fn hash(password: &str) -> Result<String, Box<dyn std::error::Error>> {
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let salt = SaltString::generate(&mut OsRng);
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let argon2 = get_argon2();
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argon2
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.hash_password(password.as_bytes(), &salt)
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.map(|h| h.to_string())
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.map_err(|e| e.into())
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}
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pub fn verify_password(
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password: &str,
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hashed_password: &str,
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) -> Result<bool, Box<dyn std::error::Error>> {
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let argon2 = get_argon2();
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let parsed_hash = PasswordHash::new(hashed_password)?;
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Ok(argon2
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.verify_password(password.as_bytes(), &parsed_hash)
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.is_ok())
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn simple_case() -> Result<(), Box<dyn std::error::Error>> {
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let password = "12345";
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let hash = hash(password)?;
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println!("hash: {}", &hash);
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assert!(verify_password(password, &hash)?);
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assert!(!verify_password("54321", &hash)?);
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Ok(())
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}
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#[test]
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fn password_with_special_characters() -> Result<(), Box<dyn std::error::Error>> {
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let password = "éà ä_\\😺🎮🇨🇭";
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let hash = hash(password)?;
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println!("hash: {}", &hash);
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assert!(verify_password(password, &hash)?);
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Ok(())
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}
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}
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