feat: age

__crypto/curve25519/src/main.rs

@@ -1,4 +1,5 @@
 use std::convert::TryInto;
+use bech32::{ToBase32, Variant};
 
 use ed25519_dalek::{Keypair, Signer, Verifier};
 use rand::rngs::OsRng;
@@ -37,6 +38,13 @@ fn main() {
     let public_key_bytes: [u8; 32] = public_key_bytes.try_into().unwrap();
     let public_key_card = PublicKey::from(public_key_bytes);
     println!("Public key card: {}", hex::encode(public_key_card.as_bytes()));
+    let age_addr = bech32::encode(
+        "age",
+        public_key_card.as_bytes().to_base32(),
+        Variant::Bech32,
+    ).unwrap();
+    println!("Public key card as age address: {}", age_addr);
+
     let new_secret = EphemeralSecret::new(OsRng);
     let new_public = PublicKey::from(&new_secret);
     println!("New public key: {}", hex::encode(new_public.as_bytes()));