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Start the infrastructure for ECDSA SSH keys.

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This commit is contained in:
Adam Wick
2019-04-15 09:38:48 -07:00
parent 031b4be14e
commit 29872fa47a
5 changed files with 55 additions and 21 deletions
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28
src/ecdsa/mod.rs
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@@ -10,7 +10,7 @@ use rand::Rng;
use rand::distributions::Standard;
use self::curve::{EllipticCurve,P192,P224,P256,P384,P521};
use self::point::{ECCPoint,Point};
pub use self::private::ECCPrivateKey;
pub use self::private::{ECDSAPrivate,ECCPrivateKey};
pub use self::public::{ECDSAPublic,ECCPublicKey};
pub use self::public::{ECDSADecodeErr,ECDSAEncodeErr};
use super::KeyPair;
@@ -20,6 +20,32 @@ pub struct ECDSAKeyPair<Curve: EllipticCurve> {
pub private: ECCPrivateKey<Curve>
}
pub enum ECDSAPair {
P192(ECCPublicKey<P192>,ECCPrivateKey<P192>),
P224(ECCPublicKey<P224>,ECCPrivateKey<P224>),
P256(ECCPublicKey<P256>,ECCPrivateKey<P256>),
P384(ECCPublicKey<P384>,ECCPrivateKey<P384>),
P521(ECCPublicKey<P521>,ECCPrivateKey<P521>),
}
impl KeyPair for ECDSAPair {
type Public = ECDSAPublic;
type Private = ECDSAPrivate;
fn new(pu: ECDSAPublic, pr: ECDSAPrivate) -> ECDSAPair
{
match (pu, pr) {
(ECDSAPublic::P192(pbl),ECDSAPrivate::P192(prv)) => ECDSAPair::P192(pbl,prv),
(ECDSAPublic::P224(pbl),ECDSAPrivate::P224(prv)) => ECDSAPair::P224(pbl,prv),
(ECDSAPublic::P256(pbl),ECDSAPrivate::P256(prv)) => ECDSAPair::P256(pbl,prv),
(ECDSAPublic::P384(pbl),ECDSAPrivate::P384(prv)) => ECDSAPair::P384(pbl,prv),
(ECDSAPublic::P521(pbl),ECDSAPrivate::P521(prv)) => ECDSAPair::P521(pbl,prv),
_ =>
panic!("Non-matching public/private pairs in ECDSAPair::new()")
}
}
}
macro_rules! generate_impl {
($curve: ident, $un: ident, $si: ident) => {
impl KeyPair for ECDSAKeyPair<$curve> {

8
src/ecdsa/private.rs
View File

@@ -10,6 +10,14 @@ pub struct ECCPrivateKey<Curve: EllipticCurve> {
d: Curve::Unsigned
}
pub enum ECDSAPrivate {
P192(ECCPrivateKey<P192>),
P224(ECCPrivateKey<P224>),
P256(ECCPrivateKey<P256>),
P384(ECCPrivateKey<P384>),
P521(ECCPrivateKey<P521>),
}
macro_rules! generate_privates
{
($curve: ident, $base: ident, $sig: ident, $dbl: ident, $quad: ident) => {

10
src/ecdsa/public.rs
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@@ -13,11 +13,11 @@ pub struct ECCPublicKey<Curve: EllipticCurve> {
}
pub enum ECDSAPublic {
ECCPublicP192(ECCPublicKey<P192>),
ECCPublicP224(ECCPublicKey<P224>),
ECCPublicP256(ECCPublicKey<P256>),
ECCPublicP384(ECCPublicKey<P384>),
ECCPublicP521(ECCPublicKey<P521>),
P192(ECCPublicKey<P192>),
P224(ECCPublicKey<P224>),
P256(ECCPublicKey<P256>),
P384(ECCPublicKey<P384>),
P521(ECCPublicKey<P521>),
}
pub enum ECDSAEncodeErr {

10
src/x509/mod.rs
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@@ -182,7 +182,7 @@ fn check_signature(alg: &AlgorithmIdentifier,
Err(X509ParseError::InvalidSignatureHash)
}
}
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::ECCPublicP192(ref key))) => {
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::P192(ref key))) => {
let ecdsa_sig = der_decode(&sig)?;
match alg.hash {
HashAlgorithm::SHA1 if key.verify::<Sha1>(block, &ecdsa_sig) => Ok(()),
@@ -194,7 +194,7 @@ fn check_signature(alg: &AlgorithmIdentifier,
Err(X509ParseError::InvalidSignatureHash)
}
}
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::ECCPublicP224(ref key))) => {
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::P224(ref key))) => {
let ecdsa_sig = der_decode(&sig)?;
match alg.hash {
HashAlgorithm::SHA1 if key.verify::<Sha1>(block, &ecdsa_sig) => Ok(()),
@@ -206,7 +206,7 @@ fn check_signature(alg: &AlgorithmIdentifier,
Err(X509ParseError::InvalidSignatureHash)
}
}
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::ECCPublicP256(ref key))) => {
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::P256(ref key))) => {
let ecdsa_sig = der_decode(&sig)?;
match alg.hash {
HashAlgorithm::SHA1 if key.verify::<Sha1>(block, &ecdsa_sig) => Ok(()),
@@ -218,7 +218,7 @@ fn check_signature(alg: &AlgorithmIdentifier,
Err(X509ParseError::InvalidSignatureHash)
}
}
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::ECCPublicP384(ref key))) => {
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::P384(ref key))) => {
let ecdsa_sig = der_decode(&sig)?;
match alg.hash {
HashAlgorithm::SHA1 if key.verify::<Sha1>(block, &ecdsa_sig) => Ok(()),
@@ -230,7 +230,7 @@ fn check_signature(alg: &AlgorithmIdentifier,
Err(X509ParseError::InvalidSignatureHash)
}
}
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::ECCPublicP521(ref key))) => {
(PublicKeyInfo::ECDSA, &X509PublicKey::ECDSA(ECDSAPublic::P521(ref key))) => {
let ecdsa_sig = der_decode(&sig)?;
match alg.hash {
HashAlgorithm::SHA1 if key.verify::<Sha1>(block, &ecdsa_sig) => Ok(()),

20
src/x509/publickey.rs
View File

@@ -255,11 +255,11 @@ fn encode_ecdsa_key(c: ASN1Class, x: &ECDSAPublic) -> Result<ASN1Block,ECDSAEnco
{
let objoid = ASN1Block::ObjectIdentifier(c, 0, oid!(1,2,840,10045,2,1));
let (base_curve_oid, mut keyvec) = match x {
ECDSAPublic::ECCPublicP192(k) => (oid!(1,2,840,10045,3,1,1), k.to_asn1_class(c)?),
ECDSAPublic::ECCPublicP224(k) => (oid!(1,3,132,0,33), k.to_asn1_class(c)?),
ECDSAPublic::ECCPublicP256(k) => (oid!(1,2,840,10045,3,1,7), k.to_asn1_class(c)?),
ECDSAPublic::ECCPublicP384(k) => (oid!(1,3,132,0,34), k.to_asn1_class(c)?),
ECDSAPublic::ECCPublicP521(k) => (oid!(1,3,132,0,35), k.to_asn1_class(c)?),
ECDSAPublic::P192(k) => (oid!(1,2,840,10045,3,1,1), k.to_asn1_class(c)?),
ECDSAPublic::P224(k) => (oid!(1,3,132,0,33), k.to_asn1_class(c)?),
ECDSAPublic::P256(k) => (oid!(1,2,840,10045,3,1,7), k.to_asn1_class(c)?),
ECDSAPublic::P384(k) => (oid!(1,3,132,0,34), k.to_asn1_class(c)?),
ECDSAPublic::P521(k) => (oid!(1,3,132,0,35), k.to_asn1_class(c)?),
};
let curve_oid = ASN1Block::ObjectIdentifier(c, 0, base_curve_oid);
let header = ASN1Block::Sequence(c, 0, vec![objoid, curve_oid]);
@@ -272,27 +272,27 @@ fn decode_ecdsa_key(info: ASN1Block, keybls: &[ASN1Block]) -> Result<ECDSAPublic
if let ASN1Block::ObjectIdentifier(_, _, oid) = info {
if oid == oid!(1,2,840,10045,3,1,1) {
let (res, _) = ECCPublicKey::<P192>::from_asn1(keybls)?;
return Ok(ECDSAPublic::ECCPublicP192(res));
return Ok(ECDSAPublic::P192(res));
}
if oid == oid!(1,3,132,0,33) {
let (res, _) = ECCPublicKey::<P224>::from_asn1(keybls)?;
return Ok(ECDSAPublic::ECCPublicP224(res));
return Ok(ECDSAPublic::P224(res));
}
if oid == oid!(1,2,840,10045,3,1,7) {
let (res, _) = ECCPublicKey::<P256>::from_asn1(keybls)?;
return Ok(ECDSAPublic::ECCPublicP256(res));
return Ok(ECDSAPublic::P256(res));
}
if oid == oid!(1,3,132,0,34) {
let (res, _) = ECCPublicKey::<P384>::from_asn1(keybls)?;
return Ok(ECDSAPublic::ECCPublicP384(res));
return Ok(ECDSAPublic::P384(res));
}
if oid == oid!(1,3,132,0,35) {
let (res, _) = ECCPublicKey::<P521>::from_asn1(keybls)?;
return Ok(ECDSAPublic::ECCPublicP521(res));
return Ok(ECDSAPublic::P521(res));
}
}