Fixed warnings and migrated to TTP.

src/util/crypto_helper.rs

@@ -8,6 +8,7 @@ use sha2::{Digest, Sha256};
 use x448::{PublicKey, Secret, SharedSecret};
 
 /// Errors for crypto operations
+#[allow(dead_code)]
 #[derive(Debug)]
 pub enum CryptoError {
     Base64Decode(base64::DecodeError),
@@ -23,11 +24,13 @@ impl From<base64::DecodeError> for CryptoError {
     }
 }
 
+#[allow(dead_code)]
 pub struct KeyPair {
     pub secret: Secret,
     pub public: PublicKey,
 }
 
+#[allow(dead_code)]
 pub fn generate_keypair() -> KeyPair {
     let mut buf = [0u8; 56];
     let mut rng = OsRng;
@@ -64,6 +67,7 @@ fn derive_aes_key(shared: &SharedSecret) -> [u8; 32] {
     key
 }
 
+#[allow(dead_code)]
 pub fn encrypt_b64(
     base64_secret: &str,
     base64_peer_pub: &str,
@@ -131,12 +135,14 @@ pub fn decrypt(
     Ok(plaintext)
 }
 
+#[allow(dead_code)]
 pub fn hash_it(input: &str) -> Vec<u8> {
     let mut hasher = Sha256::new();
     hasher.update(input.as_bytes());
     hasher.finalize().to_vec()
 }
 
+#[allow(dead_code)]
 pub fn hex_hash(input: &str) -> String {
     let digest = hash_it(input);
     digest.iter().map(|b| format!("{:02x}", b)).collect()