Rename ec_key to ec (6794a45d) · Commits · Public Repositories / Rust Openssl

openssl/src/ec.rs

0 → 100644

+361 −0

Original line number	Diff line number	Diff line
		use ffi;
		use std::ptr;

		use {cvt, cvt_n, cvt_p, init};
		use bn::{BigNumRef, BigNumContextRef};
		use error::ErrorStack;
		use nid::Nid;
		use types::OpenSslTypeRef;

		pub const POINT_CONVERSION_COMPRESSED: PointConversionForm =
		PointConversionForm(ffi::point_conversion_form_t::POINT_CONVERSION_COMPRESSED);

		pub const POINT_CONVERSION_UNCOMPRESSED: PointConversionForm =
		PointConversionForm(ffi::point_conversion_form_t::POINT_CONVERSION_UNCOMPRESSED);

		pub const POINT_CONVERSION_HYBRID: PointConversionForm =
		PointConversionForm(ffi::point_conversion_form_t::POINT_CONVERSION_HYBRID);

		#[derive(Copy, Clone)]
		pub struct PointConversionForm(ffi::point_conversion_form_t);

		type_!(EcGroup, EcGroupRef, ffi::EC_GROUP, ffi::EC_GROUP_free);

		impl EcGroup {
		/// Returns the group of a standard named curve.
		pub fn from_curve_name(nid: Nid) -> Result<EcGroup, ErrorStack> {
		unsafe {
		init();
		cvt_p(ffi::EC_GROUP_new_by_curve_name(nid.as_raw())).map(EcGroup)
		}
		}

		/// Constructs a curve over a prime field from its components.
		pub fn from_components_gfp(p: &BigNumRef,
		a: &BigNumRef,
		b: &BigNumRef,
		ctx: &mut BigNumContextRef)
		-> Result<EcGroup, ErrorStack> {
		unsafe {
		cvt_p(ffi::EC_GROUP_new_curve_GFp(p.as_ptr(), a.as_ptr(), b.as_ptr(), ctx.as_ptr()))
		.map(EcGroup)
		}
		}

		/// Constructs a curve over a binary field from its components.
		pub fn from_components_gf2m(p: &BigNumRef,
		a: &BigNumRef,
		b: &BigNumRef,
		ctx: &mut BigNumContextRef)
		-> Result<EcGroup, ErrorStack> {
		unsafe {
		cvt_p(ffi::EC_GROUP_new_curve_GF2m(p.as_ptr(), a.as_ptr(), b.as_ptr(), ctx.as_ptr()))
		.map(EcGroup)
		}
		}
		}

		impl EcGroupRef {
		/// Places the components of a curve over a prime field in the provided `BigNum`s.
		pub fn components_gfp(&self,
		p: &mut BigNumRef,
		a: &mut BigNumRef,
		b: &mut BigNumRef,
		ctx: &mut BigNumContextRef)
		-> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_GROUP_get_curve_GFp(self.as_ptr(),
		p.as_ptr(),
		a.as_ptr(),
		b.as_ptr(),
		ctx.as_ptr()))
		.map(\|_\| ())
		}
		}

		/// Places the components of a curve over a binary field in the provided `BigNum`s.
		pub fn components_gf2m(&self,
		p: &mut BigNumRef,
		a: &mut BigNumRef,
		b: &mut BigNumRef,
		ctx: &mut BigNumContextRef)
		-> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_GROUP_get_curve_GF2m(self.as_ptr(),
		p.as_ptr(),
		a.as_ptr(),
		b.as_ptr(),
		ctx.as_ptr()))
		.map(\|_\| ())
		}
		}

		/// Returns the degree of the curve.
		pub fn degree(&self) -> u32 {
		unsafe { ffi::EC_GROUP_get_degree(self.as_ptr()) as u32 }
		}

		/// Places the order of the curve in the provided `BigNum`.
		pub fn order(&self,
		order: &mut BigNumRef,
		ctx: &mut BigNumContextRef)
		-> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_GROUP_get_order(self.as_ptr(), order.as_ptr(), ctx.as_ptr())).map(\|_\| ())
		}
		}
		}

		type_!(EcPoint, EcPointRef, ffi::EC_POINT, ffi::EC_POINT_free);

		impl EcPointRef {
		/// Computes `a + b`, storing the result in `self`.
		pub fn add(&mut self,
		group: &EcGroupRef,
		a: &EcPointRef,
		b: &EcPointRef,
		ctx: &mut BigNumContextRef)
		-> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_POINT_add(group.as_ptr(),
		self.as_ptr(),
		a.as_ptr(),
		b.as_ptr(),
		ctx.as_ptr()))
		.map(\|_\| ())
		}
		}

		/// Computes `q * m`, storing the result in `self`.
		pub fn mul(&mut self,
		group: &EcGroupRef,
		q: &EcPointRef,
		m: &BigNumRef,
		ctx: &BigNumContextRef)
		-> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_POINT_mul(group.as_ptr(),
		self.as_ptr(),
		ptr::null(),
		q.as_ptr(),
		m.as_ptr(),
		ctx.as_ptr()))
		.map(\|_\| ())
		}
		}

		/// Computes `generator * n + q * m`, storing the result in `self`.
		pub fn mul_generator(&mut self,
		group: &EcGroupRef,
		n: &BigNumRef,
		q: &EcPointRef,
		m: &BigNumRef,
		ctx: &mut BigNumContextRef)
		-> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_POINT_mul(group.as_ptr(),
		self.as_ptr(),
		n.as_ptr(),
		q.as_ptr(),
		m.as_ptr(),
		ctx.as_ptr()))
		.map(\|_\| ())
		}
		}

		/// Inverts `self`.
		pub fn invert(&mut self, group: &EcGroupRef, ctx: &BigNumContextRef) -> Result<(), ErrorStack> {
		unsafe {
		cvt(ffi::EC_POINT_invert(group.as_ptr(), self.as_ptr(), ctx.as_ptr())).map(\|_\| ())
		}
		}

		/// Serializes the point to a binary representation.
		pub fn to_bytes(&self,
		group: &EcGroupRef,
		form: PointConversionForm,
		ctx: &mut BigNumContextRef)
		-> Result<Vec<u8>, ErrorStack> {
		unsafe {
		let len = ffi::EC_POINT_point2oct(group.as_ptr(),
		self.as_ptr(),
		form.0,
		ptr::null_mut(),
		0,
		ctx.as_ptr());
		if len == 0 {
		return Err(ErrorStack::get());
		}
		let mut buf = vec![0; len];
		let len = ffi::EC_POINT_point2oct(group.as_ptr(),
		self.as_ptr(),
		form.0,
		buf.as_mut_ptr(),
		len,
		ctx.as_ptr());
		if len == 0 {
		Err(ErrorStack::get())
		} else {
		Ok(buf)
		}
		}
		}

		/// Determines if this point is equal to another.
		pub fn eq(&self,
		group: &EcGroupRef,
		other: &EcPointRef,
		ctx: &mut BigNumContextRef)
		-> Result<bool, ErrorStack> {
		unsafe {
		let res = try!(cvt_n(ffi::EC_POINT_cmp(group.as_ptr(),
		self.as_ptr(),
		other.as_ptr(),
		ctx.as_ptr())));
		Ok(res == 0)
		}
		}
		}

		impl EcPoint {
		/// Creates a new point on the specified curve.
		pub fn new(group: &EcGroupRef) -> Result<EcPoint, ErrorStack> {
		unsafe { cvt_p(ffi::EC_POINT_new(group.as_ptr())).map(EcPoint) }
		}

		pub fn from_bytes(group: &EcGroupRef,
		buf: &[u8],
		ctx: &mut BigNumContextRef)
		-> Result<EcPoint, ErrorStack> {
		let point = try!(EcPoint::new(group));
		unsafe {
		try!(cvt(ffi::EC_POINT_oct2point(group.as_ptr(),
		point.as_ptr(),
		buf.as_ptr(),
		buf.len(),
		ctx.as_ptr())));
		}
		Ok(point)
		}
		}

		type_!(EcKey, EcKeyRef, ffi::EC_KEY, ffi::EC_KEY_free);

		impl EcKeyRef {
		private_key_to_pem!(ffi::PEM_write_bio_ECPrivateKey);
		private_key_to_der!(ffi::i2d_ECPrivateKey);

		pub fn group(&self) -> &EcGroupRef {
		unsafe {
		let ptr = ffi::EC_KEY_get0_group(self.as_ptr());
		assert!(!ptr.is_null());
		EcGroupRef::from_ptr(ptr as *mut _)
		}
		}

		pub fn public_key(&self) -> Option<&EcPointRef> {
		unsafe {
		let ptr = ffi::EC_KEY_get0_public_key(self.as_ptr());
		if ptr.is_null() {
		None
		} else {
		Some(EcPointRef::from_ptr(ptr as *mut _))
		}
		}
		}

		pub fn private_key(&self) -> Option<&BigNumRef> {
		unsafe {
		let ptr = ffi::EC_KEY_get0_private_key(self.as_ptr());
		if ptr.is_null() {
		None
		} else {
		Some(BigNumRef::from_ptr(ptr as *mut _))
		}
		}
		}

		/// Checks the key for validity.
		pub fn check_key(&self) -> Result<(), ErrorStack> {
		unsafe { cvt(ffi::EC_KEY_check_key(self.as_ptr())).map(\|_\| ()) }
		}
		}

		impl EcKey {
		/// Constructs an `EcKey` corresponding to a known curve.
		///
		/// It will not have an associated public or private key. This kind of key is primarily useful
		/// to be provided to the `set_tmp_ecdh` methods on `Ssl` and `SslContextBuilder`.
		pub fn from_curve_name(nid: Nid) -> Result<EcKey, ErrorStack> {
		unsafe {
		init();
		cvt_p(ffi::EC_KEY_new_by_curve_name(nid.as_raw())).map(EcKey)
		}
		}

		/// Generates a new public/private key pair on the specified curve.
		pub fn generate(group: &EcGroupRef) -> Result<EcKey, ErrorStack> {
		unsafe {
		let key = EcKey(try!(cvt_p(ffi::EC_KEY_new())));
		try!(cvt(ffi::EC_KEY_set_group(key.as_ptr(), group.as_ptr())));
		try!(cvt(ffi::EC_KEY_generate_key(key.as_ptr())));
		Ok(key)
		}
		}

		#[deprecated(since = "0.9.2", note = "use from_curve_name")]
		pub fn new_by_curve_name(nid: Nid) -> Result<EcKey, ErrorStack> {
		EcKey::from_curve_name(nid)
		}

		private_key_from_pem!(EcKey, ffi::PEM_read_bio_ECPrivateKey);
		private_key_from_der!(EcKey, ffi::d2i_ECPrivateKey);
		}

		#[cfg(test)]
		mod test {
		use bn::{BigNum, BigNumContext};
		use nid;
		use super::*;

		#[test]
		fn key_new_by_curve_name() {
		EcKey::from_curve_name(nid::X9_62_PRIME256V1).unwrap();
		}

		#[test]
		fn round_trip_prime256v1() {
		let group = EcGroup::from_curve_name(nid::X9_62_PRIME256V1).unwrap();
		let mut p = BigNum::new().unwrap();
		let mut a = BigNum::new().unwrap();
		let mut b = BigNum::new().unwrap();
		let mut ctx = BigNumContext::new().unwrap();
		group.components_gfp(&mut p, &mut a, &mut b, &mut ctx).unwrap();
		EcGroup::from_components_gfp(&p, &a, &b, &mut ctx).unwrap();
		}

		#[test]
		fn generate() {
		let group = EcGroup::from_curve_name(nid::X9_62_PRIME256V1).unwrap();
		let key = EcKey::generate(&group).unwrap();
		key.public_key().unwrap();
		key.private_key().unwrap();
		}

		#[test]
		fn point_new() {
		let group = EcGroup::from_curve_name(nid::X9_62_PRIME256V1).unwrap();
		EcPoint::new(&group).unwrap();
		}

		#[test]
		fn point_bytes() {
		let group = EcGroup::from_curve_name(nid::X9_62_PRIME256V1).unwrap();
		let key = EcKey::generate(&group).unwrap();
		let point = key.public_key().unwrap();
		let mut ctx = BigNumContext::new().unwrap();
		let bytes = point.to_bytes(&group, POINT_CONVERSION_COMPRESSED, &mut ctx).unwrap();
		let point2 = EcPoint::from_bytes(&group, &bytes, &mut ctx).unwrap();
		assert!(point.eq(&group, &point2, &mut ctx).unwrap());
		}
		}

openssl/src/ec_key.rs

+2 −360

File changed.

Preview size limit exceeded, changes collapsed.

openssl/src/lib.rs

+1 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ pub mod bn;
		pub mod crypto;
		pub mod dh;
		pub mod dsa;
		pub mod ec;
		pub mod ec_key;
		pub mod error;
		pub mod hash;

openssl/src/pkey.rs

+2 −2

Original line number	Diff line number	Diff line
		@@ -7,7 +7,7 @@ use {cvt, cvt_p};
		use bio::MemBioSlice;
		use dh::Dh;
		use dsa::Dsa;
		use ec_key::EcKey;
		use ec::EcKey;
		use rsa::Rsa;
		use error::ErrorStack;
		use util::{CallbackState, invoke_passwd_cb_old};
		@@ -153,7 +153,7 @@ mod tests {
		use symm::Cipher;
		use dh::Dh;
		use dsa::Dsa;
		use ec_key::EcKey;
		use ec::EcKey;
		use rsa::Rsa;
		use nid;

openssl/src/ssl/connector.rs

+1 −1

Original line number	Diff line number	Diff line
		@@ -215,7 +215,7 @@ impl SslAcceptorBuilder {

		#[cfg(ossl101)]
		fn setup_curves(ctx: &mut SslContextBuilder) -> Result<(), ErrorStack> {
		use ec_key::EcKey;
		use ec::EcKey;
		use nid;

		let curve = try!(EcKey::from_curve_name(nid::X9_62_PRIME256V1));