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+ GNU GENERAL PUBLIC LICENSE
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+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
--- /dev/null
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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+=85EV
+-----END PGP PUBLIC KEY BLOCK-----
--- /dev/null
+gostls13@cypherpunks.ru ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILuX3gTqrFb3G2oW/osn3LIa7X5spo0MTsEIRLKVfJrq
--- /dev/null
+-----BEGIN PGP SIGNATURE-----
+
+iQFMBAABCgA2FiEErcm+WxmOi1aQqOxQbTz/fHba30IFAmU/peQYHGdvc3RsczEz
+QGN5cGhlcnB1bmtzLnJ1AAoJEG08/3x22t9CTKMH/0I7XtJ6cnv6H1+HjFoDclGQ
+oeZQ1TJO7dDfSrEi+eMuxeTsJHJSh6Pzs6fCbQBYyThmlt63BbZGARA/XlhhtY5F
+yDmJV7HqhKytIRpUiuphenn3UBvXvh6reERiEGfjQfdB+uXtObTaVwO36QPmhw0F
+YVkGiFKa2Hxoy+CIqcgtVoi2uK2M+yvjeYap+IZ5ALE+vYstWW1JQJHJlDAY2uQG
+zJnHDymha/QOEbci/EGtIIevFmk4k/qbrsqjJBzdi16F4pa9YvmKTAHmJaaQW5Lt
+peIebFFO/zSKkGPJjruu+qHyzc7WBA6fMfiE6kiwhbYskdfMNIqsRqn0L8XRhwU=
+=3wWR
+-----END PGP SIGNATURE-----
--- /dev/null
+This is a fork of Go with:
+
+* crypto/x509 supporting GOST 34.10-2012
+ X.509 certificates and PKCS#8 private keys
+* crypto/tls supporting GOST TLS 1.3
+
+GOST-related crypto/tls.SignatureSchemes are not enabled by default,
+simply because it will fail native unittests. crypto/tls also does not
+provide ability to control TLS 1.3 CipherSuite choice and GOST-related
+suites are not enabled by default too. You can use tls.GOSTInstall() for
+enabling all of that.
+
+Pay attention that:
+
+* GOST X.509 certificates uses reversed digest (relatively to native
+ gogost/gost3410 output) during signing, so you should use
+ gogost/gost3410.PrivateKeyReverseDigest crypto.Signer
+* GOST TLS 1.3 uses both reversed digest and signature values, so you
+ should use gogost/gost3410.PrivateKeyReverseDigestAndSignature in that case
+* GoGOST is quite slow, do not expect high performance
+
+Look at src/crypto/x509/x509_test.go and src/crypto/tls/gost_test.go
+for example usage.
+
+./gogost-install script helps installing GoGOST directly into Go's
+source code tree. Then build Go with ordinary steps. Some unittests,
+related to dependency checks, will fail as expected.
--- /dev/null
+#!/bin/sh
+
+find . -name "*.bash" -exec perl -i -npe 's%^#!/usr/bin/env bash%#!/bin/sh%' {} \+
+find . -name "*.bash" -exec perl -i -npe 's%^#!/bin/bash%#!/bin/sh%' {} \+
+find . -name "*.bash" -exec perl -i -npe 's%^bash %sh %' {} \+
+perl -i -npe "s/ulimit/echo --/g" src/run.bash
--- /dev/null
+#!/bin/sh -ex
+
+command -v fetch >/dev/null && DL="fetch -o" || DL="wget -O"
+command -v sha256 >/dev/null && SHA256="sha256" || SHA256="sha256sum --binary"
+PERL=${PERL:-perl}
+
+TARBALL=gogost-5.13.0.tar.zst
+[ -r $TARBALL ] || {
+ $DL $TARBALL.tmp http://www.gogost.cypherpunks.ru/$TARBALL
+ mv $TARBALL.tmp $TARBALL
+}
+[ "`$SHA256 < $TARBALL | $PERL -lane 'print $F[0]'`" = "ee0deeb665aee4246c21c8c9f814860502468e37216f43d9acee8c309cc4843e" ]
+tar xf $TARBALL
+mkdir -p src/crypto/go.cypherpunks.ru/gogost
+mv ${TARBALL%.tar.zst} src/crypto/go.cypherpunks.ru/gogost/v5
+crypto_version=$(sed -n 's#^.*golang.org/x/crypto \(.*\)$#\1#p' < src/go.mod)
+cd src/crypto/go.cypherpunks.ru/gogost/v5
+rm -r cmd bench
+rm gost341194/pbkdf2_test.go
+for len in 256 512 ; do
+ fn=gost34112012${len}/hash.go
+ echo "func init() { crypto.RegisterHash(crypto.GOSTR34112012${len}, New) }" >> $fn
+ $PERL -i -npe '/"hash"/ and print "\t\"crypto\"\n"' $fn
+done
+find . -name "*.go" -exec $PERL -i -npe "s#go.cypherpunks.ru#crypto/go.cypherpunks.ru#" {} \+
+$PERL -i -ne "s#^(require golang.org/x/crypto) .*\$#\$1 $crypto_version#" go.mod
+rm go.sum
return "BLAKE2b-384"
case BLAKE2b_512:
return "BLAKE2b-512"
+ case GOSTR34112012256:
+ return "Streebog-256"
+ case GOSTR34112012512:
+ return "Streebog-512"
default:
return "unknown hash value " + strconv.Itoa(int(h))
}
BLAKE2b_256 // import golang.org/x/crypto/blake2b
BLAKE2b_384 // import golang.org/x/crypto/blake2b
BLAKE2b_512 // import golang.org/x/crypto/blake2b
+ GOSTR34112012256 // import go.cypherpunks.ru/gogost/v5/gost34112012256
+ GOSTR34112012512 // import go.cypherpunks.ru/gogost/v5/gost34112012512
maxHash
)
BLAKE2b_256: 32,
BLAKE2b_384: 48,
BLAKE2b_512: 64,
+
+ GOSTR34112012256: 32,
+ GOSTR34112012512: 64,
}
// Size returns the length, in bytes, of a digest resulting from the given hash
--- /dev/null
+// Copyright (C) 2020-2024 Sergey Matveev <stargrave@rnd.stcnet.ru>
+// Use of this source code is governed by GPLv3 licence.
+
+package ecdh
+
+import (
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
+ "crypto/internal/randutil"
+ "errors"
+ "io"
+ "math/big"
+)
+
+type GOSTCurve struct {
+ curve *gost3410.Curve
+}
+
+var gost256A = &GOSTCurve{gost3410.CurveIdtc26gost341012256paramSetA()}
+var gost256B = &GOSTCurve{gost3410.CurveIdtc26gost341012256paramSetB()}
+var gost256C = &GOSTCurve{gost3410.CurveIdtc26gost341012256paramSetC()}
+var gost256D = &GOSTCurve{gost3410.CurveIdtc26gost341012256paramSetD()}
+var gost512A = &GOSTCurve{gost3410.CurveIdtc26gost341012512paramSetA()}
+var gost512B = &GOSTCurve{gost3410.CurveIdtc26gost341012512paramSetB()}
+var gost512C = &GOSTCurve{gost3410.CurveIdtc26gost341012512paramSetC()}
+
+func GOST256A() Curve { return gost256A }
+func GOST256B() Curve { return gost256B }
+func GOST256C() Curve { return gost256C }
+func GOST256D() Curve { return gost256D }
+func GOST512A() Curve { return gost512A }
+func GOST512B() Curve { return gost512B }
+func GOST512C() Curve { return gost512C }
+
+func (c *GOSTCurve) GenerateKey(rand io.Reader) (*PrivateKey, error) {
+ key := make([]byte, c.curve.PointSize())
+ randutil.MaybeReadByte(rand)
+ if _, err := io.ReadFull(rand, key); err != nil {
+ return nil, err
+ }
+ return c.NewPrivateKey(key)
+}
+
+func (c *GOSTCurve) NewPrivateKey(key []byte) (*PrivateKey, error) {
+ if len(key) != c.curve.PointSize() {
+ return nil, errors.New("crypto/ecdh: invalid private key size")
+ }
+ return &PrivateKey{
+ curve: c,
+ privateKey: append([]byte{}, key...),
+ }, nil
+}
+
+func (c *GOSTCurve) privateKeyToPublicKey(key *PrivateKey) *PublicKey {
+ if key.curve != c {
+ panic("crypto/ecdh: internal error: converting the wrong key type")
+ }
+ prv, err := gost3410.NewPrivateKey(c.curve, key.privateKey)
+ if err != nil {
+ panic(err)
+ }
+ pub, err := prv.PublicKey()
+ if err != nil {
+ panic(err)
+ }
+ return &PublicKey{
+ curve: key.curve,
+ publicKey: pub.Raw(),
+ }
+}
+
+func (c *GOSTCurve) NewPublicKey(key []byte) (*PublicKey, error) {
+ if len(key) != c.curve.PointSize()*2 {
+ return nil, errors.New("crypto/ecdh: invalid public key")
+ }
+ return &PublicKey{
+ curve: c,
+ publicKey: append([]byte{}, key...),
+ }, nil
+}
+
+func (c *GOSTCurve) ecdh(local *PrivateKey, remote *PublicKey) ([]byte, error) {
+ our, err := gost3410.NewPrivateKey(c.curve, local.privateKey)
+ if err != nil {
+ panic(err)
+ }
+ their, err := gost3410.NewPublicKey(c.curve, remote.publicKey)
+ if err != nil {
+ panic(err)
+ }
+ key, err := our.KEK(their, big.NewInt(1))
+ if err != nil {
+ return nil, err
+ }
+ return key[:len(key)/2], nil
+}
"fmt"
"hash"
"io"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
)
// verifyHandshakeSignature verifies a signature against pre-hashed
if err := rsa.VerifyPSS(pubKey, hashFunc, signed, sig, signOpts); err != nil {
return err
}
+ case signatureGOST:
+ pubKey, ok := pubkey.(*gost3410.PublicKey)
+ if !ok {
+ return fmt.Errorf("expected GOST public key, got %T", pubkey)
+ }
+ ok, err := gost3410.PublicKeyReverseDigestAndSignature{Pub: pubKey}.VerifyDigest(signed, sig)
+ if err != nil {
+ return err
+ }
+ if !ok {
+ return errors.New("tls: GOST verification failure")
+ }
default:
return errors.New("internal error: unknown signature type")
}
sigType = signatureECDSA
case Ed25519:
sigType = signatureEd25519
+ case GOSTR34102012256A, GOSTR34102012256B, GOSTR34102012256C, GOSTR34102012256D, GOSTR34102012512A, GOSTR34102012512B, GOSTR34102012512C:
+ sigType = signatureGOST
default:
return 0, 0, fmt.Errorf("unsupported signature algorithm: %v", signatureAlgorithm)
}
hash = crypto.SHA512
case Ed25519:
hash = directSigning
+ case GOSTR34102012256A, GOSTR34102012256B, GOSTR34102012256C, GOSTR34102012256D:
+ hash = crypto.GOSTR34112012256
+ case GOSTR34102012512A, GOSTR34102012512B, GOSTR34102012512C:
+ hash = crypto.GOSTR34112012512
default:
return 0, 0, fmt.Errorf("unsupported signature algorithm: %v", signatureAlgorithm)
}
}
case ed25519.PublicKey:
sigAlgs = []SignatureScheme{Ed25519}
+ case *gost3410.PublicKey:
+ switch pub.C.Name {
+ case "id-tc26-gost-3410-12-256-paramSetA":
+ return []SignatureScheme{GOSTR34102012256A}
+ case "id-tc26-gost-3410-12-256-paramSetB":
+ return []SignatureScheme{GOSTR34102012256B}
+ case "id-tc26-gost-3410-12-256-paramSetC":
+ return []SignatureScheme{GOSTR34102012256C}
+ case "id-tc26-gost-3410-12-256-paramSetD":
+ return []SignatureScheme{GOSTR34102012256D}
+ case "id-tc26-gost-3410-12-512-paramSetA":
+ return []SignatureScheme{GOSTR34102012512A}
+ case "id-tc26-gost-3410-12-512-paramSetB":
+ return []SignatureScheme{GOSTR34102012512B}
+ case "id-tc26-gost-3410-12-512-paramSetC":
+ return []SignatureScheme{GOSTR34102012512C}
+ default:
+ return nil
+ }
default:
return nil
}
case *rsa.PublicKey:
return fmt.Errorf("tls: certificate RSA key size too small for supported signature algorithms")
case ed25519.PublicKey:
+ case *gost3410.PublicKey:
default:
return fmt.Errorf("tls: unsupported certificate key (%T)", pub)
}
"internal/cpu"
"runtime"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3412128"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost341264"
+
"golang.org/x/crypto/chacha20poly1305"
)
{TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", supportedOnlyTLS12, false},
{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", supportedOnlyTLS12, false},
{TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", supportedOnlyTLS12, false},
+
+ {TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L, "TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L", supportedOnlyTLS13, false},
+ {TLS_GOSTR341112_256_WITH_MAGMA_MGM_L, "TLS_GOSTR341112_256_WITH_MAGMA_MGM_L", supportedOnlyTLS13, false},
+ {TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S, "TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S", supportedOnlyTLS13, false},
+ {TLS_GOSTR341112_256_WITH_MAGMA_MGM_S, "TLS_GOSTR341112_256_WITH_MAGMA_MGM_S", supportedOnlyTLS13, false},
+
{TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256", supportedOnlyTLS12, false},
{TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256", supportedOnlyTLS12, false},
}
type cipherSuiteTLS13 struct {
id uint16
keyLen int
+ ivLen int
aead func(key, fixedNonce []byte) aead
hash crypto.Hash
}
-var cipherSuitesTLS13 = []*cipherSuiteTLS13{ // TODO: replace with a map.
- {TLS_AES_128_GCM_SHA256, 16, aeadAESGCMTLS13, crypto.SHA256},
- {TLS_CHACHA20_POLY1305_SHA256, 32, aeadChaCha20Poly1305, crypto.SHA256},
- {TLS_AES_256_GCM_SHA384, 32, aeadAESGCMTLS13, crypto.SHA384},
+var cipherSuitesTLS13 = []*cipherSuiteTLS13{
+ {TLS_AES_128_GCM_SHA256, 16, aeadNonceLength, aeadAESGCMTLS13, crypto.SHA256},
+ {TLS_CHACHA20_POLY1305_SHA256, 32, aeadNonceLength, aeadChaCha20Poly1305, crypto.SHA256},
+ {TLS_AES_256_GCM_SHA384, 32, aeadNonceLength, aeadAESGCMTLS13, crypto.SHA384},
+
+ {TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L, 32, gost3412128.BlockSize, aeadGOSTR341112256WithKuznyechikMGML, crypto.GOSTR34112012256},
+ {TLS_GOSTR341112_256_WITH_MAGMA_MGM_L, 32, gost341264.BlockSize, aeadGOSTR341112256WithMagmaMGML, crypto.GOSTR34112012256},
+ {TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S, 32, gost3412128.BlockSize, aeadGOSTR341112256WithKuznyechikMGMS, crypto.GOSTR34112012256},
+ {TLS_GOSTR341112_256_WITH_MAGMA_MGM_S, 32, gost341264.BlockSize, aeadGOSTR341112256WithMagmaMGMS, crypto.GOSTR34112012256},
}
// cipherSuitesPreferenceOrder is the order in which we'll select (on the
TLS_AES_256_GCM_SHA384 uint16 = 0x1302
TLS_CHACHA20_POLY1305_SHA256 uint16 = 0x1303
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L uint16 = 0xC103
+ TLS_GOSTR341112_256_WITH_MAGMA_MGM_L uint16 = 0xC104
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S uint16 = 0xC105
+ TLS_GOSTR341112_256_WITH_MAGMA_MGM_S uint16 = 0xC106
+
// TLS_FALLBACK_SCSV isn't a standard cipher suite but an indicator
// that the client is doing version fallback. See RFC 7507.
TLS_FALLBACK_SCSV uint16 = 0x5600
CurveP384 CurveID = 24
CurveP521 CurveID = 25
X25519 CurveID = 29
+
+ GOSTCurve256A CurveID = 0x0022
+ GOSTCurve256B CurveID = 0x0023
+ GOSTCurve256C CurveID = 0x0024
+ GOSTCurve256D CurveID = 0x0025
+ GOSTCurve512A CurveID = 0x0026
+ GOSTCurve512B CurveID = 0x0027
+ GOSTCurve512C CurveID = 0x0028
)
// TLS 1.3 Key Share. See RFC 8446, Section 4.2.8.
// Signature algorithms (for internal signaling use). Starting at 225 to avoid overlap with
// TLS 1.2 codepoints (RFC 5246, Appendix A.4.1), with which these have nothing to do.
const (
- signaturePKCS1v15 uint8 = iota + 225
+ signaturePKCS1v15 uint8 = iota + 224
signatureRSAPSS
signatureECDSA
signatureEd25519
+ signatureGOST
)
// directSigning is a standard Hash value that signals that no pre-hashing
// ekm is a closure exposed via ExportKeyingMaterial.
ekm func(label string, context []byte, length int) ([]byte, error)
+
+ // Exists only GOSTed version! ECDHE curve used during handshake.
+ HSCurve CurveID
}
// ExportKeyingMaterial returns length bytes of exported key material in a new
// Legacy signature and hash algorithms for TLS 1.2.
PKCS1WithSHA1 SignatureScheme = 0x0201
ECDSAWithSHA1 SignatureScheme = 0x0203
+
+ GOSTR34102012256A SignatureScheme = 0x0709
+ GOSTR34102012256B SignatureScheme = 0x070A
+ GOSTR34102012256C SignatureScheme = 0x070B
+ GOSTR34102012256D SignatureScheme = 0x070C
+ GOSTR34102012512A SignatureScheme = 0x070D
+ GOSTR34102012512B SignatureScheme = 0x070E
+ GOSTR34102012512C SignatureScheme = 0x070F
)
// ClientHelloInfo contains information from a ClientHello message in order to
activeCall atomic.Int32
tmp [16]byte
+
+ hsCurve CurveID
}
// Access to net.Conn methods.
} else {
state.ekm = c.ekm
}
+ state.HSCurve = c.hsCurve
return state
}
--- /dev/null
+// Copyright (C) 2020-2024 Sergey Matveev <stargrave@rnd.stcnet.ru>
+// Use of this source code is governed by GPLv3 licence.
+
+package tls
+
+import (
+ "crypto/cipher"
+ "encoding/binary"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost34112012256"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3412128"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost341264"
+ "crypto/go.cypherpunks.ru/gogost/v5/mgm"
+)
+
+const GOSTAEADNonceSize = 8
+
+type gostAEAD struct {
+ nonceMask []byte
+ tlsTree *gost34112012256.TLSTree
+ cipherer func([]byte) cipher.Block
+ aead cipher.AEAD
+}
+
+func (g *gostAEAD) NonceSize() int { return GOSTAEADNonceSize }
+func (g *gostAEAD) Overhead() int { return g.aead.Overhead() }
+func (g *gostAEAD) explicitNonceLen() int { return 0 }
+
+func (g *gostAEAD) keyRefresh(nonce []byte) {
+ if len(nonce) != GOSTAEADNonceSize {
+ panic("64-bit nonce expected")
+ }
+ seqNum := binary.BigEndian.Uint64(nonce)
+ key, cached := g.tlsTree.DeriveCached(seqNum)
+ if cached {
+ return
+ }
+ cipher := g.cipherer(key)
+ aead, err := mgm.NewMGM(cipher, cipher.BlockSize())
+ if err != nil {
+ panic(err)
+ }
+ g.aead = aead
+}
+
+func (g *gostAEAD) xorNonce(nonce []byte) {
+ for i, b := range nonce {
+ g.nonceMask[len(g.nonceMask)-GOSTAEADNonceSize+i] ^= b
+ }
+}
+
+func (g *gostAEAD) Seal(out, nonce, plaintext, additionalData []byte) []byte {
+ g.keyRefresh(nonce)
+ g.xorNonce(nonce)
+ ret := g.aead.Seal(out, g.nonceMask[:], plaintext, additionalData)
+ g.xorNonce(nonce)
+ return ret
+}
+
+func (g *gostAEAD) Open(out, nonce, ciphertext, additionalData []byte) ([]byte, error) {
+ g.keyRefresh(nonce)
+ g.xorNonce(nonce)
+ ret, err := g.aead.Open(out, g.nonceMask[:], ciphertext, additionalData)
+ g.xorNonce(nonce)
+ return ret, err
+}
+
+func aeadGOST(
+ blockSize int,
+ tlsTreeParams gost34112012256.TLSTreeParams,
+ cipherer func(key []byte) cipher.Block,
+ key, nonceMask []byte,
+) aead {
+ if len(nonceMask) != blockSize {
+ panic("tls: internal error: wrong nonce length")
+ }
+ ret := gostAEAD{
+ nonceMask: make([]byte, blockSize),
+ tlsTree: gost34112012256.NewTLSTree(tlsTreeParams, key),
+ cipherer: cipherer,
+ }
+ copy(ret.nonceMask, nonceMask)
+ ret.nonceMask[0] &= 0x7F
+ ret.keyRefresh([]byte{0, 0, 0, 0, 0, 0, 0, 0})
+ return &ret
+}
+
+func aeadGOSTR341112256WithKuznyechikMGML(key, nonceMask []byte) aead {
+ return aeadGOST(
+ gost3412128.BlockSize,
+ gost34112012256.TLSGOSTR341112256WithKuznyechikMGML,
+ func(key []byte) cipher.Block { return gost3412128.NewCipher(key) },
+ key, nonceMask,
+ )
+}
+
+func aeadGOSTR341112256WithMagmaMGML(key, nonceMask []byte) aead {
+ return aeadGOST(
+ gost341264.BlockSize,
+ gost34112012256.TLSGOSTR341112256WithMagmaMGML,
+ func(key []byte) cipher.Block { return gost341264.NewCipher(key) },
+ key, nonceMask,
+ )
+}
+
+func aeadGOSTR341112256WithKuznyechikMGMS(key, nonceMask []byte) aead {
+ return aeadGOST(
+ gost3412128.BlockSize,
+ gost34112012256.TLSGOSTR341112256WithKuznyechikMGMS,
+ func(key []byte) cipher.Block { return gost3412128.NewCipher(key) },
+ key, nonceMask,
+ )
+}
+
+func aeadGOSTR341112256WithMagmaMGMS(key, nonceMask []byte) aead {
+ return aeadGOST(
+ gost341264.BlockSize,
+ gost34112012256.TLSGOSTR341112256WithMagmaMGMS,
+ func(key []byte) cipher.Block { return gost341264.NewCipher(key) },
+ key, nonceMask,
+ )
+}
+
+var (
+ gostSavedDefaultSignatureAlgorithms []SignatureScheme
+ gostSavedDefaultCipherSuites []uint16
+ gostSavedDefaultCipherSuitesNoAES []uint16
+ gostSavedCipherSuitesPreferenceOrder []uint16
+ gostSavedCipherSuitesPreferenceOrderNoAES []uint16
+ gostSavedDefaultCurvePreferences []CurveID
+)
+
+func GOSTInstallSignatureAlgorithms(sigs []SignatureScheme) {
+ if gostSavedDefaultSignatureAlgorithms == nil {
+ gostSavedDefaultSignatureAlgorithms = defaultSupportedSignatureAlgorithms
+ }
+ defaultSupportedSignatureAlgorithms = append(sigs, gostSavedDefaultSignatureAlgorithms...)
+}
+
+func GOSTInstallCipherSuites(suites []uint16) {
+ if gostSavedDefaultCipherSuites == nil {
+ gostSavedDefaultCipherSuites = defaultCipherSuitesTLS13
+ }
+ if gostSavedDefaultCipherSuitesNoAES == nil {
+ gostSavedDefaultCipherSuitesNoAES = defaultCipherSuitesTLS13NoAES
+ }
+ if gostSavedCipherSuitesPreferenceOrder == nil {
+ gostSavedCipherSuitesPreferenceOrder = cipherSuitesPreferenceOrder
+ }
+ if gostSavedCipherSuitesPreferenceOrderNoAES == nil {
+ gostSavedCipherSuitesPreferenceOrderNoAES = cipherSuitesPreferenceOrderNoAES
+ }
+ defaultCipherSuitesTLS13 = append(suites, gostSavedDefaultCipherSuites...)
+ defaultCipherSuitesTLS13NoAES = append(suites, gostSavedDefaultCipherSuitesNoAES...)
+ cipherSuitesPreferenceOrder = append(suites, gostSavedCipherSuitesPreferenceOrder...)
+ cipherSuitesPreferenceOrderNoAES = append(suites, gostSavedCipherSuitesPreferenceOrderNoAES...)
+}
+
+func GOSTInstallCurvePreferences(curves []CurveID) {
+ if gostSavedDefaultCurvePreferences == nil {
+ gostSavedDefaultCurvePreferences = defaultCurvePreferences
+ }
+ defaultCurvePreferences = append(defaultCurvePreferences, curves...)
+}
+
+func GOSTInstall() {
+ GOSTInstallSignatureAlgorithms([]SignatureScheme{
+ GOSTR34102012256A,
+ GOSTR34102012256B,
+ GOSTR34102012256C,
+ GOSTR34102012256D,
+ GOSTR34102012512A,
+ GOSTR34102012512B,
+ GOSTR34102012512C,
+ })
+ GOSTInstallCipherSuites([]uint16{
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L,
+ TLS_GOSTR341112_256_WITH_MAGMA_MGM_L,
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S,
+ TLS_GOSTR341112_256_WITH_MAGMA_MGM_S,
+ })
+ GOSTInstallCurvePreferences([]CurveID{
+ GOSTCurve256A,
+ GOSTCurve256B,
+ GOSTCurve256C,
+ GOSTCurve256D,
+ GOSTCurve512C, // Edwards is more preferable, yes
+ GOSTCurve512A,
+ GOSTCurve512B,
+ })
+}
--- /dev/null
+// Copyright (C) 2020-2024 Sergey Matveev <stargrave@rnd.stcnet.ru>
+// Use of this source code is governed by GPLv3 licence.
+
+package tls
+
+import (
+ "crypto"
+ "crypto/rand"
+ "crypto/x509"
+ "crypto/x509/pkix"
+ "io"
+ "math/big"
+ "testing"
+ "time"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
+)
+
+func gostCertGen(
+ t *testing.T,
+ commonName string,
+ curve *gost3410.Curve,
+ sigAlgo x509.SignatureAlgorithm,
+) (*x509.Certificate, []byte, crypto.PrivateKey, []byte) {
+ prvRaw := make([]byte, curve.PointSize())
+ if _, err := io.ReadFull(rand.Reader, prvRaw); err != nil {
+ t.Fatal("can not read PrivateKey random", err)
+ }
+ prv, err := gost3410.NewPrivateKey(curve, prvRaw)
+ if err != nil {
+ t.Fatal("can not generate PrivateKey", err)
+ }
+ pub, err := prv.PublicKey()
+ if err != nil {
+ t.Fatal("can not generate PublicKey", err)
+ }
+ template := x509.Certificate{
+ SerialNumber: big.NewInt(12345),
+ Subject: pkix.Name{CommonName: commonName},
+ DNSNames: []string{commonName},
+ NotBefore: time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC),
+ NotAfter: time.Date(2030, 1, 1, 0, 0, 0, 0, time.UTC),
+ SignatureAlgorithm: sigAlgo,
+ }
+ certDer, err := x509.CreateCertificate(
+ rand.Reader,
+ &template, &template,
+ pub, &gost3410.PrivateKeyReverseDigest{Prv: prv},
+ )
+ if err != nil {
+ t.Fatal("can not generate certificate", err)
+ }
+ cert, err := x509.ParseCertificate(certDer)
+ if err != nil {
+ t.Fatal("can not parse generated certificate", err)
+ }
+ return cert, certDer, &gost3410.PrivateKeyReverseDigestAndSignature{Prv: prv}, prvRaw
+}
+
+func gostTLS13Handshake(
+ t *testing.T,
+ serverCurve, clientCurve *gost3410.Curve,
+ curveID CurveID,
+ cipherSuite uint16,
+) {
+ serverName := "server.gost.example.com"
+ serverCert, serverCertDer, serverPrv, _ := gostCertGen(
+ t, serverName, serverCurve, x509.GOST256,
+ )
+ clientCert, clientCertDer, clientPrv, _ := gostCertGen(
+ t, "client.gost.example.com", clientCurve, x509.GOST512,
+ )
+ serverCAs := x509.NewCertPool()
+ serverCAs.AddCert(serverCert)
+ clientCAs := x509.NewCertPool()
+ clientCAs.AddCert(clientCert)
+ defaultCipherSuitesTLS13 = []uint16{cipherSuite}
+ defaultCipherSuitesTLS13NoAES = []uint16{cipherSuite}
+ serverConfig := &Config{
+ MinVersion: VersionTLS13,
+ MaxVersion: VersionTLS13,
+ CurvePreferences: []CurveID{curveID},
+ ClientAuth: RequireAndVerifyClientCert,
+ ClientCAs: clientCAs,
+ Certificates: []Certificate{{
+ Certificate: [][]byte{serverCertDer},
+ PrivateKey: serverPrv,
+ }},
+ }
+ clientConfig := &Config{
+ MinVersion: VersionTLS13,
+ MaxVersion: VersionTLS13,
+ CurvePreferences: []CurveID{curveID},
+ RootCAs: serverCAs,
+ ServerName: serverName,
+ Certificates: []Certificate{{
+ Certificate: [][]byte{clientCertDer},
+ PrivateKey: clientPrv,
+ }},
+ }
+ clientState, serverState, err := testHandshake(t, clientConfig, serverConfig)
+ if err != nil {
+ t.Fatal("handshake failed:", err)
+ }
+ if clientState.Version != VersionTLS13 || serverState.Version != VersionTLS13 {
+ t.Fatal("TLS 1.3 was not established")
+ }
+ if clientState.CipherSuite != cipherSuite || serverState.CipherSuite != cipherSuite {
+ t.Fatal("expected CipherSuite was not established")
+ }
+}
+
+func TestGOSTTLS13AllParams(t *testing.T) {
+ defaultSupportedSignatureAlgorithmsOrig := defaultSupportedSignatureAlgorithms
+ defaultCipherSuitesTLS13Orig := defaultCipherSuitesTLS13
+ defaultCipherSuitesTLS13NoAESOrig := defaultCipherSuitesTLS13NoAES
+ defer func() {
+ defaultSupportedSignatureAlgorithms = defaultSupportedSignatureAlgorithmsOrig
+ defaultCipherSuitesTLS13 = defaultCipherSuitesTLS13Orig
+ defaultCipherSuitesTLS13NoAES = defaultCipherSuitesTLS13NoAESOrig
+ }()
+ defaultSupportedSignatureAlgorithms = append(defaultSupportedSignatureAlgorithms, []SignatureScheme{
+ GOSTR34102012256A, GOSTR34102012256B, GOSTR34102012256C, GOSTR34102012256D,
+ GOSTR34102012512A, GOSTR34102012512B, GOSTR34102012512C,
+ }...)
+ for _, serverCurve := range []*gost3410.Curve{
+ gost3410.CurveIdtc26gost341012256paramSetA(),
+ gost3410.CurveIdtc26gost341012256paramSetB(),
+ gost3410.CurveIdtc26gost341012256paramSetC(),
+ gost3410.CurveIdtc26gost341012256paramSetD(),
+ } {
+ t.Log("server certificate:", serverCurve.Name)
+ for _, clientCurve := range []*gost3410.Curve{
+ gost3410.CurveIdtc26gost341012512paramSetA(),
+ gost3410.CurveIdtc26gost341012512paramSetB(),
+ gost3410.CurveIdtc26gost341012512paramSetC(),
+ } {
+ t.Log("client certificate:", clientCurve.Name)
+ for _, curveID := range []CurveID{
+ GOSTCurve256A, GOSTCurve256B, GOSTCurve256C, GOSTCurve256D,
+ GOSTCurve512A, GOSTCurve512B, GOSTCurve512C,
+ } {
+ t.Log("ECDHE:", curveID)
+ for _, cipherSuite := range []uint16{
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L,
+ TLS_GOSTR341112_256_WITH_MAGMA_MGM_L,
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_S,
+ TLS_GOSTR341112_256_WITH_MAGMA_MGM_S,
+ } {
+ t.Log("CipherSuite:", cipherSuite)
+ gostTLS13Handshake(t, serverCurve, clientCurve, curveID, cipherSuite)
+ }
+ }
+ }
+ }
+}
+
+func TestGOSTTLS13Installation(t *testing.T) {
+ defer func() {
+ defaultSupportedSignatureAlgorithms = gostSavedDefaultSignatureAlgorithms
+ defaultCipherSuitesTLS13 = gostSavedDefaultCipherSuites
+ defaultCipherSuitesTLS13NoAES = gostSavedDefaultCipherSuitesNoAES
+ cipherSuitesPreferenceOrder = gostSavedCipherSuitesPreferenceOrder
+ cipherSuitesPreferenceOrderNoAES = gostSavedCipherSuitesPreferenceOrderNoAES
+ }()
+ GOSTInstall()
+ gostTLS13Handshake(
+ t,
+ gost3410.CurveIdtc26gost341012256paramSetA(),
+ gost3410.CurveIdtc26gost341012512paramSetC(),
+ GOSTCurve256A,
+ TLS_GOSTR341112_256_WITH_KUZNYECHIK_MGM_L,
+ )
+}
"strconv"
"strings"
"time"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
)
type clientHandshakeState struct {
}
switch certs[0].PublicKey.(type) {
- case *rsa.PublicKey, *ecdsa.PublicKey, ed25519.PublicKey:
+ case *rsa.PublicKey, *ecdsa.PublicKey, ed25519.PublicKey, *gost3410.PublicKey:
break
default:
c.sendAlert(alertUnsupportedCertificate)
}
hs.ecdheKey = key
hs.hello.keyShares = []keyShare{{group: curveID, data: key.PublicKey().Bytes()}}
+ c.hsCurve = curveID
}
hs.hello.raw = nil
if sentID, _ := curveIDForCurve(hs.ecdheKey.Curve()); hs.serverHello.serverShare.group != sentID {
c.sendAlert(alertIllegalParameter)
return errors.New("tls: server selected unsupported group")
+ } else {
+ c.hsCurve = sentID
}
if !hs.serverHello.selectedIdentityPresent {
"hash"
"io"
"time"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
)
// serverHandshakeState contains details of a server handshake in progress.
hs.ecSignOk = true
case *rsa.PublicKey:
hs.rsaSignOk = true
+ case *gost3410.PublicKey:
+ hs.ecSignOk = true
default:
c.sendAlert(alertInternalError)
return fmt.Errorf("tls: unsupported signing key type (%T)", priv.Public())
if len(certs) > 0 {
switch certs[0].PublicKey.(type) {
- case *ecdsa.PublicKey, *rsa.PublicKey, ed25519.PublicKey:
+ case *ecdsa.PublicKey, *rsa.PublicKey, ed25519.PublicKey, *gost3410.PublicKey:
default:
c.sendAlert(alertUnsupportedCertificate)
return fmt.Errorf("tls: client certificate contains an unsupported public key of type %T", certs[0].PublicKey)
}
c.serverName = hs.clientHello.serverName
+ c.hsCurve = selectedGroup
return nil
}
// trafficKey generates traffic keys according to RFC 8446, Section 7.3.
func (c *cipherSuiteTLS13) trafficKey(trafficSecret []byte) (key, iv []byte) {
key = c.expandLabel(trafficSecret, "key", nil, c.keyLen)
- iv = c.expandLabel(trafficSecret, "iv", nil, aeadNonceLength)
+ iv = c.expandLabel(trafficSecret, "iv", nil, c.ivLen)
return
}
return ecdh.P384(), true
case CurveP521:
return ecdh.P521(), true
+ case GOSTCurve256A:
+ return ecdh.GOST256A(), true
+ case GOSTCurve256B:
+ return ecdh.GOST256B(), true
+ case GOSTCurve256C:
+ return ecdh.GOST256C(), true
+ case GOSTCurve256D:
+ return ecdh.GOST256D(), true
+ case GOSTCurve512A:
+ return ecdh.GOST512A(), true
+ case GOSTCurve512B:
+ return ecdh.GOST512B(), true
+ case GOSTCurve512C:
+ return ecdh.GOST512C(), true
default:
return nil, false
}
return CurveP384, true
case ecdh.P521():
return CurveP521, true
+ case ecdh.GOST256A():
+ return GOSTCurve256A, true
+ case ecdh.GOST256B():
+ return GOSTCurve256B, true
+ case ecdh.GOST256C():
+ return GOSTCurve256C, true
+ case ecdh.GOST256D():
+ return GOSTCurve256D, true
+ case ecdh.GOST512A():
+ return GOSTCurve512A, true
+ case ecdh.GOST512B():
+ return GOSTCurve512B, true
+ case ecdh.GOST512C():
+ return GOSTCurve512C, true
default:
return 0, false
}
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
if !bytes.Equal(priv.Public().(ed25519.PublicKey), pub) {
return fail(errors.New("tls: private key does not match public key"))
}
+ case *gost3410.PublicKey:
+ priv, ok := cert.PrivateKey.(*gost3410.PrivateKey)
+ if !ok {
+ return fail(errors.New("tls: private key type does not match public key type"))
+ }
+ if !priv.Public().(*gost3410.PublicKey).Equal(pub) {
+ return fail(errors.New("tls: private key does not match public key"))
+ }
+ cert.PrivateKey = &gost3410.PrivateKeyReverseDigestAndSignature{Prv: priv}
default:
return fail(errors.New("tls: unknown public key algorithm"))
}
}
if key, err := x509.ParsePKCS8PrivateKey(der); err == nil {
switch key := key.(type) {
- case *rsa.PrivateKey, *ecdsa.PrivateKey, ed25519.PrivateKey:
+ case *rsa.PrivateKey, *ecdsa.PrivateKey, ed25519.PrivateKey, *gost3410.PrivateKey:
return key, nil
default:
return nil, errors.New("tls: found unknown private key type in PKCS#8 wrapping")
"unicode/utf16"
"unicode/utf8"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
+
"golang.org/x/crypto/cryptobyte"
cryptobyte_asn1 "golang.org/x/crypto/cryptobyte/asn1"
)
return ext, nil
}
+type GostR341012PublicKeyParameters struct {
+ PublicKeyParamSet asn1.ObjectIdentifier
+ DigestParamSet asn1.ObjectIdentifier `asn1:"optional"`
+}
+
func parsePublicKey(keyData *publicKeyInfo) (any, error) {
oid := keyData.Algorithm.Algorithm
params := keyData.Algorithm.Parameters
return nil, errors.New("x509: zero or negative DSA parameter")
}
return pub, nil
+ case oid.Equal(oidTc26Gost341012256):
+ fallthrough
+ case oid.Equal(oidTc26Gost341012512):
+ paramsData := keyData.Algorithm.Parameters.FullBytes
+ var publicKeyParams GostR341012PublicKeyParameters
+ rest, err := asn1.Unmarshal(paramsData, &publicKeyParams)
+ if err != nil {
+ return nil, errors.New("x509: failed to parse GOST parameters")
+ }
+ if len(rest) != 0 {
+ return nil, errors.New("x509: trailing data after GOST parameters")
+ }
+ var pubRaw []byte
+ s := cryptobyte.String(der)
+ if !s.ReadASN1Bytes(&pubRaw, cryptobyte_asn1.OCTET_STRING) {
+ return nil, errors.New("x509: can not decode GOST public key")
+ }
+ var curve *gost3410.Curve
+ switch {
+ case publicKeyParams.PublicKeyParamSet.Equal(oidGostR34102001CryptoProAParamSet):
+ curve = gost3410.CurveIdGostR34102001CryptoProAParamSet()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidGostR34102001CryptoProBParamSet):
+ curve = gost3410.CurveIdGostR34102001CryptoProBParamSet()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidGostR34102001CryptoProCParamSet):
+ curve = gost3410.CurveIdGostR34102001CryptoProCParamSet()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidGostR34102001CryptoProXchAParamSet):
+ curve = gost3410.CurveIdGostR34102001CryptoProXchAParamSet()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidGostR34102001CryptoProXchBParamSet):
+ curve = gost3410.CurveIdGostR34102001CryptoProXchBParamSet()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetA):
+ curve = gost3410.CurveIdtc26gost341012256paramSetA()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetB):
+ curve = gost3410.CurveIdtc26gost341012256paramSetB()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetC):
+ curve = gost3410.CurveIdtc26gost341012256paramSetC()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetD):
+ curve = gost3410.CurveIdtc26gost341012256paramSetD()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012512ParamSetA):
+ curve = gost3410.CurveIdtc26gost341012512paramSetA()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012512ParamSetB):
+ curve = gost3410.CurveIdtc26gost341012512paramSetB()
+ case publicKeyParams.PublicKeyParamSet.Equal(oidTc26Gost341012512ParamSetC):
+ curve = gost3410.CurveIdtc26gost341012512paramSetC()
+ default:
+ return nil, errors.New("x509: unknown GOST curve")
+ }
+ return gost3410.NewPublicKey(curve, pubRaw)
default:
return nil, errors.New("x509: unknown public key algorithm")
}
"encoding/asn1"
"errors"
"fmt"
+
+ "golang.org/x/crypto/cryptobyte"
+ cryptobyte_asn1 "golang.org/x/crypto/cryptobyte/asn1"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
)
// pkcs8 reflects an ASN.1, PKCS #8 PrivateKey. See
return nil, fmt.Errorf("x509: invalid X25519 private key: %v", err)
}
return ecdh.X25519().NewPrivateKey(curvePrivateKey)
+ case privKey.Algo.Algorithm.Equal(oidTc26Gost341012256):
+ fallthrough
+ case privKey.Algo.Algorithm.Equal(oidTc26Gost341012512):
+ bytes := privKey.Algo.Parameters.FullBytes
+ var params GostR341012PublicKeyParameters
+ if _, err := asn1.Unmarshal(bytes, ¶ms); err != nil {
+ return nil, err
+ }
+ var curve *gost3410.Curve
+ switch {
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetA):
+ curve = gost3410.CurveIdtc26gost341012256paramSetA()
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetB):
+ curve = gost3410.CurveIdtc26gost341012256paramSetB()
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetC):
+ curve = gost3410.CurveIdtc26gost341012256paramSetC()
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012256ParamSetD):
+ curve = gost3410.CurveIdtc26gost341012256paramSetD()
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012512ParamSetA):
+ curve = gost3410.CurveIdtc26gost341012512paramSetA()
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012512ParamSetB):
+ curve = gost3410.CurveIdtc26gost341012512paramSetB()
+ case params.PublicKeyParamSet.Equal(oidTc26Gost341012512ParamSetC):
+ curve = gost3410.CurveIdtc26gost341012512paramSetC()
+ }
+ var keyRaw []byte
+ s := cryptobyte.String(privKey.PrivateKey)
+ if !s.ReadASN1Bytes(&keyRaw, cryptobyte_asn1.OCTET_STRING) {
+ return nil, errors.New("x509: can not decode GOST private key")
+ }
+ return gost3410.NewPrivateKey(curve, keyRaw)
default:
return nil, fmt.Errorf("x509: PKCS#8 wrapping contained private key with unknown algorithm: %v", privKey.Algo.Algorithm)
// MarshalPKCS8PrivateKey converts a private key to PKCS #8, ASN.1 DER form.
//
// The following key types are currently supported: *[rsa.PrivateKey],
-// *[ecdsa.PrivateKey], [ed25519.PrivateKey] (not a pointer), and *[ecdh.PrivateKey].
+// *[ecdsa.PrivateKey], [ed25519.PrivateKey] (not a pointer), GOST R 34.10-2012
+// and *[ecdh.PrivateKey].
// Unsupported key types result in an error.
//
// This kind of key is commonly encoded in PEM blocks of type "PRIVATE KEY".
return nil, errors.New("x509: failed to marshal EC private key while building PKCS#8: " + err.Error())
}
}
+ case *gost3410.PrivateKey:
+ params := GostR341012PublicKeyParameters{}
+ switch k.C.Name {
+ case "id-tc26-gost-3410-12-256-paramSetA":
+ privKey.Algo.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetA
+ case "id-tc26-gost-3410-12-256-paramSetB":
+ privKey.Algo.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetB
+ case "id-tc26-gost-3410-12-256-paramSetC":
+ privKey.Algo.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetC
+ case "id-tc26-gost-3410-12-256-paramSetD":
+ privKey.Algo.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetD
+ case "id-tc26-gost-3410-12-512-paramSetA":
+ privKey.Algo.Algorithm = oidTc26Gost341012512
+ params.PublicKeyParamSet = oidTc26Gost341012512ParamSetA
+ case "id-tc26-gost-3410-12-512-paramSetB":
+ privKey.Algo.Algorithm = oidTc26Gost341012512
+ params.PublicKeyParamSet = oidTc26Gost341012512ParamSetB
+ case "id-tc26-gost-3410-12-512-paramSetC":
+ privKey.Algo.Algorithm = oidTc26Gost341012512
+ params.PublicKeyParamSet = oidTc26Gost341012512ParamSetC
+ }
+ var err error
+ privKey.Algo.Parameters.FullBytes, err = asn1.Marshal(params)
+ if err != nil {
+ return nil, err
+ }
+ builder := cryptobyte.NewBuilder(nil)
+ builder.AddASN1OctetString(k.Raw())
+ privKey.PrivateKey, err = builder.Bytes()
+ if err != nil {
+ return nil, err
+ }
default:
return nil, fmt.Errorf("x509: unknown key type while marshaling PKCS#8: %T", key)
_ "crypto/sha256"
_ "crypto/sha512"
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
"golang.org/x/crypto/cryptobyte"
cryptobyte_asn1 "golang.org/x/crypto/cryptobyte/asn1"
)
}
publicKeyAlgorithm.Parameters.FullBytes = paramBytes
}
+ case *gost3410.PublicKey:
+ builder := cryptobyte.NewBuilder(nil)
+ builder.AddASN1OctetString(pub.Raw())
+ publicKeyBytes, err = builder.Bytes()
+ if err != nil {
+ return
+ }
+ params := GostR341012PublicKeyParameters{}
+ switch pub.C.Name {
+ case "id-GostR3410-2001-CryptoPro-A-ParamSet":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidGostR34102001CryptoProAParamSet
+ params.DigestParamSet = oidTc26Gost34112012256
+ case "id-GostR3410-2001-CryptoPro-B-ParamSet":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidGostR34102001CryptoProBParamSet
+ params.DigestParamSet = oidTc26Gost34112012256
+ case "id-GostR3410-2001-CryptoPro-C-ParamSet":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidGostR34102001CryptoProCParamSet
+ params.DigestParamSet = oidTc26Gost34112012256
+ case "id-GostR3410-2001-CryptoPro-XchA-ParamSet":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidGostR34102001CryptoProXchAParamSet
+ params.DigestParamSet = oidTc26Gost34112012256
+ case "id-GostR3410-2001-CryptoPro-XchB-ParamSet":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidGostR34102001CryptoProXchBParamSet
+ params.DigestParamSet = oidTc26Gost34112012256
+ case "id-tc26-gost-3410-12-256-paramSetA":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetA
+ case "id-tc26-gost-3410-12-256-paramSetB":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetB
+ case "id-tc26-gost-3410-12-256-paramSetC":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetC
+ case "id-tc26-gost-3410-12-256-paramSetD":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012256
+ params.PublicKeyParamSet = oidTc26Gost341012256ParamSetD
+ case "id-tc26-gost-3410-12-512-paramSetA":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012512
+ params.PublicKeyParamSet = oidTc26Gost341012512ParamSetA
+ case "id-tc26-gost-3410-12-512-paramSetB":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012512
+ params.PublicKeyParamSet = oidTc26Gost341012512ParamSetB
+ case "id-tc26-gost-3410-12-512-paramSetC":
+ publicKeyAlgorithm.Algorithm = oidTc26Gost341012512
+ params.PublicKeyParamSet = oidTc26Gost341012512ParamSetC
+ default:
+ return nil, pkix.AlgorithmIdentifier{}, errors.New("x509: unsupported GOST elliptic curve")
+ }
+ publicKeyAlgorithm.Parameters.FullBytes, err = asn1.Marshal(params)
+ if err != nil {
+ panic(err)
+ }
default:
return nil, pkix.AlgorithmIdentifier{}, fmt.Errorf("x509: unsupported public key type: %T", pub)
}
SHA384WithRSAPSS
SHA512WithRSAPSS
PureEd25519
+ GOST256
+ GOST512
)
func (algo SignatureAlgorithm) isRSAPSS() bool {
DSA // Only supported for parsing.
ECDSA
Ed25519
+ GOST
)
var publicKeyAlgoName = [...]string{
DSA: "DSA",
ECDSA: "ECDSA",
Ed25519: "Ed25519",
+ GOST: "GOST",
}
func (algo PublicKeyAlgorithm) String() string {
oidSignatureECDSAWithSHA512 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 4}
oidSignatureEd25519 = asn1.ObjectIdentifier{1, 3, 101, 112}
+ oidTc26Gost341012256 = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 1, 1, 1}
+ oidTc26Gost341012512 = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 1, 1, 2}
+ oidTc26Gost34112012256 = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 1, 2, 2}
+ oidTc26Gost34112012512 = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 1, 2, 3}
+ oidTc26Gost341012256Signature = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 1, 3, 2}
+ oidTc26Gost341012512Signature = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 1, 3, 3}
+ oidGostR34102001CryptoProAParamSet = asn1.ObjectIdentifier{1, 2, 643, 2, 2, 35, 1}
+ oidGostR34102001CryptoProBParamSet = asn1.ObjectIdentifier{1, 2, 643, 2, 2, 35, 2}
+ oidGostR34102001CryptoProCParamSet = asn1.ObjectIdentifier{1, 2, 643, 2, 2, 35, 3}
+ oidGostR34102001CryptoProXchAParamSet = asn1.ObjectIdentifier{1, 2, 643, 2, 2, 36, 0}
+ oidGostR34102001CryptoProXchBParamSet = asn1.ObjectIdentifier{1, 2, 643, 2, 2, 36, 1}
+ oidTc26Gost341012256ParamSetA = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 1, 1}
+ oidTc26Gost341012256ParamSetB = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 1, 2}
+ oidTc26Gost341012256ParamSetC = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 1, 3}
+ oidTc26Gost341012256ParamSetD = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 1, 4}
+ oidTc26Gost341012512ParamSetA = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 2, 1}
+ oidTc26Gost341012512ParamSetB = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 2, 2}
+ oidTc26Gost341012512ParamSetC = asn1.ObjectIdentifier{1, 2, 643, 7, 1, 2, 1, 2, 3}
+
oidSHA256 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 2, 1}
oidSHA384 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 2, 2}
oidSHA512 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 2, 3}
{ECDSAWithSHA384, "ECDSA-SHA384", oidSignatureECDSAWithSHA384, ECDSA, crypto.SHA384},
{ECDSAWithSHA512, "ECDSA-SHA512", oidSignatureECDSAWithSHA512, ECDSA, crypto.SHA512},
{PureEd25519, "Ed25519", oidSignatureEd25519, Ed25519, crypto.Hash(0) /* no pre-hashing */},
+ {GOST256, "GOST256", oidTc26Gost341012256Signature, GOST, crypto.GOSTR34112012256},
+ {GOST512, "GOST512", oidTc26Gost341012512Signature, GOST, crypto.GOSTR34112012512},
}
// hashToPSSParameters contains the DER encoded RSA PSS parameters for the
// id-Ed25519 OBJECT IDENTIFIER ::= { 1 3 101 112 }
oidPublicKeyX25519 = asn1.ObjectIdentifier{1, 3, 101, 110}
oidPublicKeyEd25519 = asn1.ObjectIdentifier{1, 3, 101, 112}
+
+ oidPublicKeyGOST256 = oidTc26Gost341012256
+ oidPublicKeyGOST512 = oidTc26Gost341012512
)
// getPublicKeyAlgorithmFromOID returns the exposed PublicKeyAlgorithm
return ECDSA
case oid.Equal(oidPublicKeyEd25519):
return Ed25519
+ case oid.Equal(oidPublicKeyGOST256):
+ return GOST
+ case oid.Equal(oidPublicKeyGOST512):
+ return GOST
}
return UnknownPublicKeyAlgorithm
}
return errors.New("x509: Ed25519 verification failure")
}
return
+ case *gost3410.PublicKey:
+ if pubKeyAlgo != GOST {
+ return signaturePublicKeyAlgoMismatchError(pubKeyAlgo, pub)
+ }
+ ok, err := gost3410.PublicKeyReverseDigest{Pub: pub}.VerifyDigest(signed, signature)
+ if err != nil {
+ return err
+ }
+ if !ok {
+ return errors.New("x509: GOST verification failure")
+ }
+ return err
}
return ErrUnsupportedAlgorithm
}
pubType = Ed25519
sigAlgo.Algorithm = oidSignatureEd25519
+ case *gost3410.PublicKey:
+ pubType = GOST
+ switch pub.C.PointSize() {
+ case 256 / 8:
+ hashFunc = crypto.GOSTR34112012256
+ sigAlgo.Algorithm = oidTc26Gost341012256Signature
+ case 512 / 8:
+ hashFunc = crypto.GOSTR34112012512
+ sigAlgo.Algorithm = oidTc26Gost341012512Signature
+ }
+
default:
- err = errors.New("x509: only RSA, ECDSA and Ed25519 keys supported")
+ err = errors.New("x509: only RSA, ECDSA, Ed25519 and GOST keys supported")
}
if err != nil {
"strings"
"testing"
"time"
+
+ "crypto/go.cypherpunks.ru/gogost/v5/gost3410"
)
func TestParsePKCS1PrivateKey(t *testing.T) {
t.Fatalf("Failed to generate Ed25519 key: %s", err)
}
+ gost341012256PrivRaw := make([]byte, 32)
+ if _, err = io.ReadFull(random, gost341012256PrivRaw); err != nil {
+ t.Fatalf("Failed to read random for GOST private key: %s", err)
+ }
+ gost341012256Priv, err := gost3410.NewPrivateKey(
+ gost3410.CurveIdtc26gost341012256paramSetA(),
+ gost341012256PrivRaw,
+ )
+ if err != nil {
+ t.Fatalf("Failed to create GOST private key: %s", err)
+ }
+ gost341012256Pub := gost341012256Priv.Public()
+
tests := []struct {
name string
pub, priv any
{"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS},
{"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
{"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519},
+ {"GOST256A", gost341012256Pub, &gost3410.PrivateKeyReverseDigest{Prv: gost341012256Priv}, true, GOST256},
}
testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth}
t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
}
}
+
+const gost256Tc26Certificate = `
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----`
+
+func TestGOST256TC26SelfSigned(t *testing.T) {
+ der, _ := pem.Decode([]byte(gost256Tc26Certificate))
+ if der == nil {
+ t.Fatalf("Failed to find PEM block")
+ }
+
+ cert, err := ParseCertificate(der.Bytes)
+ if err != nil {
+ t.Fatalf("Failed to parse: %s", err)
+ }
+
+ if cert.PublicKeyAlgorithm != GOST {
+ t.Fatalf("Parsed key algorithm was not GOST256")
+ }
+ parsedKey, ok := cert.PublicKey.(*gost3410.PublicKey)
+ if !ok {
+ t.Fatalf("Parsed key was not an GOST key: %s", err)
+ }
+ if len(parsedKey.Raw()) != 64*2 {
+ t.Fatalf("Invalid GOST key")
+ }
+
+ if err = cert.CheckSignatureFrom(cert); err != nil {
+ t.Fatalf("Signature check failed: %s", err)
+ }
+}