ECDSA SSH key support.

src/ecdsa/curve.rs

@@ -1,11 +1,12 @@
 use cryptonum::signed::{I192,I256,I384,I576};
 use cryptonum::unsigned::{Decoder};
 use cryptonum::unsigned::{U192,U256,U384,U576};
+use std::fmt::Debug;
 
 #[allow(non_snake_case)]
 pub trait EllipticCurve {
     type Unsigned : Clone;
-    type Signed : Clone;
+    type Signed : Clone + Debug + PartialEq;
 
     fn size() -> usize;
     fn p() -> Self::Unsigned;
@@ -18,6 +19,7 @@ pub trait EllipticCurve {
     fn Gy() -> Self::Signed;
 }
 
+#[derive(Debug,PartialEq)]
 pub enum P192 {}
 
 impl EllipticCurve for P192 {
@@ -61,6 +63,7 @@ impl EllipticCurve for P192 {
     }
 }
 
+#[derive(Debug,PartialEq)]
 pub enum P224 {}
 
 impl EllipticCurve for P224 {
@@ -143,6 +146,7 @@ impl EllipticCurve for P224 {
     }
 }
 
+#[derive(Debug,PartialEq)]
 pub enum P256 {}
 
 impl EllipticCurve for P256 {
@@ -226,6 +230,7 @@ impl EllipticCurve for P256 {
     }
 }
 
+#[derive(Debug,PartialEq)]
 pub enum P384 {}
 
 impl EllipticCurve for P384 {
@@ -322,6 +327,7 @@ impl EllipticCurve for P384 {
     }
 }
 
+#[derive(Debug,PartialEq)]
 pub enum P521 {}
 
 impl EllipticCurve for P521 {

src/ecdsa/point.rs

@@ -20,6 +20,7 @@ pub trait ECCPoint : Sized {
     }
 }
 
+#[derive(Debug,PartialEq)]
 pub struct Point<T: EllipticCurve>
 {
     pub x: T::Signed,

src/ecdsa/private.rs

@@ -5,9 +5,18 @@ use dsa::rfc6979::{DSASignature,KIterator,bits2int};
 use ecdsa::curve::{EllipticCurve,P192,P224,P256,P384,P521};
 use ecdsa::point::{ECCPoint,Point};
 use hmac::{Hmac,Mac};
+use std::fmt;
 
+#[derive(PartialEq)]
 pub struct ECCPrivateKey<Curve: EllipticCurve> {
-    d: Curve::Unsigned
+    pub(crate) d: Curve::Unsigned
+}
+
+impl<Curve: EllipticCurve> fmt::Debug for ECCPrivateKey<Curve> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(),fmt::Error>
+    {
+        f.write_str("<ECCPrivateKey>")
+    }
 }
 
 pub enum ECDSAPrivate {

src/ecdsa/public.rs

@@ -8,8 +8,9 @@ use hmac::{Hmac,Mac};
 use simple_asn1::{ASN1Block,ASN1Class,ASN1DecodeErr,ASN1EncodeErr,FromASN1,ToASN1};
 use std::cmp::min;
 
+#[derive(Debug,PartialEq)]
 pub struct ECCPublicKey<Curve: EllipticCurve> {
-    q: Point<Curve>
+    pub(crate) q: Point<Curve>
 }
 
 pub enum ECDSAPublic {