Merge pull request #874 from rohit-lshift/priv-key-from-num (66a2ad76) · Commits · Public Repositories / Rust Openssl

openssl/src/ec.rs

+39 −0

Original line number	Diff line number	Diff line
		@@ -729,6 +729,33 @@ impl EcKey<Private> {
		}
		}

		/// Constructs an public/private key pair given a curve, a private key and a public key point.
		pub fn from_private_components(
		group: &EcGroupRef,
		private_number: &BigNumRef,
		public_key: &EcPointRef,
		) -> Result<EcKey<Private>, ErrorStack> {
		unsafe {
		cvt_p(ffi::EC_KEY_new())
		.map(\|p\| EcKey::from_ptr(p))
		.and_then(\|key\| {
		cvt(ffi::EC_KEY_set_group(key.as_ptr(), group.as_ptr())).map(\|_\| key)
		})
		.and_then(\|key\| {
		cvt(ffi::EC_KEY_set_private_key(
		key.as_ptr(),
		private_number.as_ptr(),
		)).map(\|_\| key)
		})
		.and_then(\|key\| {
		cvt(ffi::EC_KEY_set_public_key(
		key.as_ptr(),
		public_key.as_ptr(),
		)).map(\|_\| key)
		})
		}
		}

		private_key_from_pem! {
		/// Deserializes a private key from a PEM-encoded ECPrivateKey structure.
		///
		@@ -845,6 +872,18 @@ mod test {
		assert!(ec_key.check_key().is_ok());
		}

		#[test]
		fn key_from_private_components() {
		let group = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1).unwrap();
		let key = EcKey::generate(&group).unwrap();

		let dup_key = EcKey::from_private_components(&group, key.private_key(), key.public_key()).unwrap();
		let res = dup_key.check_key().unwrap();

		assert!(res == ());
		assert!(key.private_key() == dup_key.private_key());
		}

		#[test]
		fn key_from_affine_coordinates() {
		let group = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1).unwrap();