chore: reorg

__crypto/secp256k1/src/main.rs

@@ -0,0 +1,18 @@
+use rand::rngs::OsRng;
+use secp256k1::{Secp256k1, Message};
+
+// https://docs.rs/secp256k1/0.17.2/secp256k1/
+fn main() {
+    let secp = Secp256k1::new();
+    let mut rng = OsRng::new().expect("OsRng");
+    let (secret_key, public_key) = secp.generate_keypair(&mut rng);
+    let message = Message::from_slice(&[0xab; 32]).expect("32 bytes");
+
+    let sig = secp.sign(&message, &secret_key);
+    println!("{}", secret_key);
+    println!("{:?}", secret_key);
+    println!("{}", public_key);
+    println!("{:?}", public_key);
+    println!("{}", sig);
+    assert!(secp.verify(&message, &sig, &public_key).is_ok());
+}