Aead::encrypt_with_nonce_from_rng

Author: tarcieri

aead/src/lib.rs

@@ -232,6 +232,17 @@ pub trait Aead: AeadCore {
         Ok(out)
     }
 
+    /// Encrypt with a random nonce generated by the specified RNG, explicitly
+    /// prepended to the message.
+    fn encrypt_with_nonce_from_rng<'msg, 'aad, R: CryptoRng + ?Sized>(
+        &self,
+        rng: &mut R,
+        plaintext: impl Into<Payload<'msg, 'aad>>,
+    ) -> Result<Vec<u8>> {
+        let nonce = Self::generate_nonce_with_rng(rng);
+        self.encrypt_with_explicit_nonce(&nonce, plaintext)
+    }
+
     /// Decrypt an AEAD message which has an explicit nonce prepended to the
     /// AEAD message.
     fn decrypt_with_explicit_nonce<'msg, 'aad>(