Add methods to access private and public part of DSA keys (52c942f4) · Commits · Public Repositories / Rust Openssl

openssl/src/dsa.rs

+43 −1

Original line number	Diff line number	Diff line
		@@ -13,7 +13,7 @@ use std::ptr;

		use bn::BigNumRef;
		use error::ErrorStack;
		use pkey::{HasParams, HasPublic, Private, Public};
		use pkey::{HasParams, HasPrivate, HasPublic, Private, Public};
		use {cvt, cvt_p};

		generic_foreign_type_and_impl_send_sync! {
		@@ -83,6 +83,28 @@ where
		public_key_to_der,
		ffi::i2d_DSA_PUBKEY
		}

		/// Returns a reference to the public exponent.
		pub fn pub_key(&self) -> &BigNumRef {
		unsafe {
		let mut pub_key = ptr::null();
		DSA_get0_key(self.as_ptr(), &mut pub_key, ptr::null_mut());
		BigNumRef::from_ptr(pub_key as *mut _)
		}
		}
		}

		impl<T> DsaRef<T>
		where
		T: HasPrivate,
		{
		pub fn priv_key(&self) -> &BigNumRef {
		unsafe {
		let mut priv_key = ptr::null();
		DSA_get0_key(self.as_ptr(), ptr::null_mut(), &mut priv_key);
		BigNumRef::from_ptr(priv_key as *mut _)
		}
		}
		}

		impl<T> DsaRef<T>
		@@ -211,6 +233,26 @@ cfg_if! {
		}
		}

		cfg_if! {
		if #[cfg(any(ossl110, libressl273))] {
		use ffi::DSA_get0_key;
		} else {
		#[allow(bad_style)]
		unsafe fn DSA_get0_pqg(
		d: *mut ffi::DSA,
		pub_key: mut const ffi::BIGNUM,
		priv_key: mut const ffi::BIGNUM)
		{
		if !pub_key.is_null() {
		pub_key = (d).pub_key;
		}
		if !priv_key.is_null() {
		priv_key = (d).priv_key;
		}
		}
		}
		}

		#[cfg(test)]
		mod test {
		use super::*;