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Code Issues Actions 2 Packages Projects Releases Wiki Activity

Support NIST curve P256 (#769)

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* Support NIST curve P256

This change adds support for NIST curve P256. When you use `nebula-cert ca`
or `nebula-cert keygen`, you can specify `-curve P256` to enable it. The
curve to use is based on the curve defined in your CA certificate.

Internally, we use ECDSA P256 to sign certificates, and ECDH P256 to do
Noise handshakes. P256 is not supported natively in Noise Protocol, so
we define `DHP256` in the `noiseutil` package to implement support for
it.

You cannot have a mixed network of Curve25519 and P256 certificates,
since the Noise protocol will only attempt to parse using the Curve
defined in the host's certificate.

* verify the curves match in VerifyPrivateKey

This would have failed anyways once we tried to actually use the bytes
in the private key, but its better to detect the issue up front with
a better error message.

* add cert.Curve argument to Sign method

* fix mismerge

* use crypto/ecdh

This is the preferred method for doing ECDH functions now, and also has
a boringcrypto specific codepath.

* remove other ecdh uses of crypto/elliptic

use crypto/ecdh instead
This commit is contained in:
Wade Simmons
2023-05-04 17:50:23 -04:00
committed by GitHub
parent 702e1c59bd
commit e0185c4b01
21 changed files with 857 additions and 165 deletions
Download Patch File Download Diff File Expand all files Collapse all files

159
cert/cert.pb.go
View File

@@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.28.0
// protoc v3.19.4
// protoc-gen-go v1.29.0
// protoc v3.20.0
// source: cert.proto
package cert
@@ -20,6 +20,52 @@ const (
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type Curve int32
const (
Curve_CURVE25519 Curve = 0
Curve_P256 Curve = 1
)
// Enum value maps for Curve.
var (
Curve_name = map[int32]string{
0: "CURVE25519",
1: "P256",
}
Curve_value = map[string]int32{
"CURVE25519": 0,
"P256": 1,
}
)
func (x Curve) Enum() *Curve {
p := new(Curve)
*p = x
return p
}
func (x Curve) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (Curve) Descriptor() protoreflect.EnumDescriptor {
return file_cert_proto_enumTypes[0].Descriptor()
}
func (Curve) Type() protoreflect.EnumType {
return &file_cert_proto_enumTypes[0]
}
func (x Curve) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use Curve.Descriptor instead.
func (Curve) EnumDescriptor() ([]byte, []int) {
return file_cert_proto_rawDescGZIP(), []int{0}
}
type RawNebulaCertificate struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -91,6 +137,7 @@ type RawNebulaCertificateDetails struct {
IsCA bool `protobuf:"varint,8,opt,name=IsCA,proto3" json:"IsCA,omitempty"`
// sha-256 of the issuer certificate, if this field is blank the cert is self-signed
Issuer []byte `protobuf:"bytes,9,opt,name=Issuer,proto3" json:"Issuer,omitempty"`
Curve Curve `protobuf:"varint,100,opt,name=curve,proto3,enum=cert.Curve" json:"curve,omitempty"`
}
func (x *RawNebulaCertificateDetails) Reset() {
@@ -188,6 +235,13 @@ func (x *RawNebulaCertificateDetails) GetIssuer() []byte {
return nil
}
func (x *RawNebulaCertificateDetails) GetCurve() Curve {
if x != nil {
return x.Curve
}
return Curve_CURVE25519
}
type RawNebulaEncryptedData struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -388,7 +442,7 @@ var file_cert_proto_rawDesc = []byte{
0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x44, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x52, 0x07,
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@@ -404,38 +458,43 @@ var file_cert_proto_rawDesc = []byte{
0x69, 0x63, 0x4b, 0x65, 0x79, 0x12, 0x12, 0x0a, 0x04, 0x49, 0x73, 0x43, 0x41, 0x18, 0x08, 0x20,
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}
var (
@@ -450,23 +509,26 @@ func file_cert_proto_rawDescGZIP() []byte {
return file_cert_proto_rawDescData
}
var file_cert_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_cert_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_cert_proto_goTypes = []interface{}{
(*RawNebulaCertificate)(nil), // 0: cert.RawNebulaCertificate
(*RawNebulaCertificateDetails)(nil), // 1: cert.RawNebulaCertificateDetails
(*RawNebulaEncryptedData)(nil), // 2: cert.RawNebulaEncryptedData
(*RawNebulaEncryptionMetadata)(nil), // 3: cert.RawNebulaEncryptionMetadata
(*RawNebulaArgon2Parameters)(nil), // 4: cert.RawNebulaArgon2Parameters
(Curve)(0), // 0: cert.Curve
(*RawNebulaCertificate)(nil), // 1: cert.RawNebulaCertificate
(*RawNebulaCertificateDetails)(nil), // 2: cert.RawNebulaCertificateDetails
(*RawNebulaEncryptedData)(nil), // 3: cert.RawNebulaEncryptedData
(*RawNebulaEncryptionMetadata)(nil), // 4: cert.RawNebulaEncryptionMetadata
(*RawNebulaArgon2Parameters)(nil), // 5: cert.RawNebulaArgon2Parameters
}
var file_cert_proto_depIdxs = []int32{
1, // 0: cert.RawNebulaCertificate.Details:type_name -> cert.RawNebulaCertificateDetails
3, // 1: cert.RawNebulaEncryptedData.EncryptionMetadata:type_name -> cert.RawNebulaEncryptionMetadata
4, // 2: cert.RawNebulaEncryptionMetadata.Argon2Parameters:type_name -> cert.RawNebulaArgon2Parameters
3, // [3:3] is the sub-list for method output_type
3, // [3:3] is the sub-list for method input_type
3, // [3:3] is the sub-list for extension type_name
3, // [3:3] is the sub-list for extension extendee
0, // [0:3] is the sub-list for field type_name
2, // 0: cert.RawNebulaCertificate.Details:type_name -> cert.RawNebulaCertificateDetails
0, // 1: cert.RawNebulaCertificateDetails.curve:type_name -> cert.Curve
4, // 2: cert.RawNebulaEncryptedData.EncryptionMetadata:type_name -> cert.RawNebulaEncryptionMetadata
5, // 3: cert.RawNebulaEncryptionMetadata.Argon2Parameters:type_name -> cert.RawNebulaArgon2Parameters
4, // [4:4] is the sub-list for method output_type
4, // [4:4] is the sub-list for method input_type
4, // [4:4] is the sub-list for extension type_name
4, // [4:4] is the sub-list for extension extendee
0, // [0:4] is the sub-list for field type_name
}
func init() { file_cert_proto_init() }
@@ -541,13 +603,14 @@ func file_cert_proto_init() {
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_cert_proto_rawDesc,
NumEnums: 0,
NumEnums: 1,
NumMessages: 5,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_cert_proto_goTypes,
DependencyIndexes: file_cert_proto_depIdxs,
EnumInfos: file_cert_proto_enumTypes,
MessageInfos: file_cert_proto_msgTypes,
}.Build()
File_cert_proto = out.File