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-rw-r--r--src/crypto/ecdh/ecdh_test.go525
1 files changed, 525 insertions, 0 deletions
diff --git a/src/crypto/ecdh/ecdh_test.go b/src/crypto/ecdh/ecdh_test.go
new file mode 100644
index 0000000..10da95a
--- /dev/null
+++ b/src/crypto/ecdh/ecdh_test.go
@@ -0,0 +1,525 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ecdh_test
+
+import (
+ "bytes"
+ "crypto"
+ "crypto/cipher"
+ "crypto/ecdh"
+ "crypto/rand"
+ "crypto/sha256"
+ "encoding/hex"
+ "fmt"
+ "internal/testenv"
+ "io"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "regexp"
+ "strings"
+ "testing"
+
+ "golang.org/x/crypto/chacha20"
+)
+
+// Check that PublicKey and PrivateKey implement the interfaces documented in
+// crypto.PublicKey and crypto.PrivateKey.
+var _ interface {
+ Equal(x crypto.PublicKey) bool
+} = &ecdh.PublicKey{}
+var _ interface {
+ Public() crypto.PublicKey
+ Equal(x crypto.PrivateKey) bool
+} = &ecdh.PrivateKey{}
+
+func TestECDH(t *testing.T) {
+ testAllCurves(t, func(t *testing.T, curve ecdh.Curve) {
+ aliceKey, err := curve.GenerateKey(rand.Reader)
+ if err != nil {
+ t.Fatal(err)
+ }
+ bobKey, err := curve.GenerateKey(rand.Reader)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ alicePubKey, err := curve.NewPublicKey(aliceKey.PublicKey().Bytes())
+ if err != nil {
+ t.Error(err)
+ }
+ if !bytes.Equal(aliceKey.PublicKey().Bytes(), alicePubKey.Bytes()) {
+ t.Error("encoded and decoded public keys are different")
+ }
+ if !aliceKey.PublicKey().Equal(alicePubKey) {
+ t.Error("encoded and decoded public keys are different")
+ }
+
+ alicePrivKey, err := curve.NewPrivateKey(aliceKey.Bytes())
+ if err != nil {
+ t.Error(err)
+ }
+ if !bytes.Equal(aliceKey.Bytes(), alicePrivKey.Bytes()) {
+ t.Error("encoded and decoded private keys are different")
+ }
+ if !aliceKey.Equal(alicePrivKey) {
+ t.Error("encoded and decoded private keys are different")
+ }
+
+ bobSecret, err := bobKey.ECDH(aliceKey.PublicKey())
+ if err != nil {
+ t.Fatal(err)
+ }
+ aliceSecret, err := aliceKey.ECDH(bobKey.PublicKey())
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ if !bytes.Equal(bobSecret, aliceSecret) {
+ t.Error("two ECDH computations came out different")
+ }
+ })
+}
+
+type countingReader struct {
+ r io.Reader
+ n int
+}
+
+func (r *countingReader) Read(p []byte) (int, error) {
+ n, err := r.r.Read(p)
+ r.n += n
+ return n, err
+}
+
+func TestGenerateKey(t *testing.T) {
+ testAllCurves(t, func(t *testing.T, curve ecdh.Curve) {
+ r := &countingReader{r: rand.Reader}
+ k, err := curve.GenerateKey(r)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // GenerateKey does rejection sampling. If the masking works correctly,
+ // the probability of a rejection is 1-ord(G)/2^ceil(log2(ord(G))),
+ // which for all curves is small enough (at most 2^-32, for P-256) that
+ // a bit flip is more likely to make this test fail than bad luck.
+ // Account for the extra MaybeReadByte byte, too.
+ if got, expected := r.n, len(k.Bytes())+1; got > expected {
+ t.Errorf("expected GenerateKey to consume at most %v bytes, got %v", expected, got)
+ }
+ })
+}
+
+var vectors = map[ecdh.Curve]struct {
+ PrivateKey, PublicKey string
+ PeerPublicKey string
+ SharedSecret string
+}{
+ // NIST vectors from CAVS 14.1, ECC CDH Primitive (SP800-56A).
+ ecdh.P256(): {
+ PrivateKey: "7d7dc5f71eb29ddaf80d6214632eeae03d9058af1fb6d22ed80badb62bc1a534",
+ PublicKey: "04ead218590119e8876b29146ff89ca61770c4edbbf97d38ce385ed281d8a6b230" +
+ "28af61281fd35e2fa7002523acc85a429cb06ee6648325389f59edfce1405141",
+ PeerPublicKey: "04700c48f77f56584c5cc632ca65640db91b6bacce3a4df6b42ce7cc838833d287" +
+ "db71e509e3fd9b060ddb20ba5c51dcc5948d46fbf640dfe0441782cab85fa4ac",
+ SharedSecret: "46fc62106420ff012e54a434fbdd2d25ccc5852060561e68040dd7778997bd7b",
+ },
+ ecdh.P384(): {
+ PrivateKey: "3cc3122a68f0d95027ad38c067916ba0eb8c38894d22e1b15618b6818a661774ad463b205da88cf699ab4d43c9cf98a1",
+ PublicKey: "049803807f2f6d2fd966cdd0290bd410c0190352fbec7ff6247de1302df86f25d34fe4a97bef60cff548355c015dbb3e5f" +
+ "ba26ca69ec2f5b5d9dad20cc9da711383a9dbe34ea3fa5a2af75b46502629ad54dd8b7d73a8abb06a3a3be47d650cc99",
+ PeerPublicKey: "04a7c76b970c3b5fe8b05d2838ae04ab47697b9eaf52e764592efda27fe7513272734466b400091adbf2d68c58e0c50066" +
+ "ac68f19f2e1cb879aed43a9969b91a0839c4c38a49749b661efedf243451915ed0905a32b060992b468c64766fc8437a",
+ SharedSecret: "5f9d29dc5e31a163060356213669c8ce132e22f57c9a04f40ba7fcead493b457e5621e766c40a2e3d4d6a04b25e533f1",
+ },
+ // For some reason all field elements in the test vector (both scalars and
+ // base field elements), but not the shared secret output, have two extra
+ // leading zero bytes (which in big-endian are irrelevant). Removed here.
+ ecdh.P521(): {
+ PrivateKey: "017eecc07ab4b329068fba65e56a1f8890aa935e57134ae0ffcce802735151f4eac6564f6ee9974c5e6887a1fefee5743ae2241bfeb95d5ce31ddcb6f9edb4d6fc47",
+ PublicKey: "0400602f9d0cf9e526b29e22381c203c48a886c2b0673033366314f1ffbcba240ba42f4ef38a76174635f91e6b4ed34275eb01c8467d05ca80315bf1a7bbd945f550a5" +
+ "01b7c85f26f5d4b2d7355cf6b02117659943762b6d1db5ab4f1dbc44ce7b2946eb6c7de342962893fd387d1b73d7a8672d1f236961170b7eb3579953ee5cdc88cd2d",
+ PeerPublicKey: "0400685a48e86c79f0f0875f7bc18d25eb5fc8c0b07e5da4f4370f3a9490340854334b1e1b87fa395464c60626124a4e70d0f785601d37c09870ebf176666877a2046d" +
+ "01ba52c56fc8776d9e8f5db4f0cc27636d0b741bbe05400697942e80b739884a83bde99e0f6716939e632bc8986fa18dccd443a348b6c3e522497955a4f3c302f676",
+ SharedSecret: "005fc70477c3e63bc3954bd0df3ea0d1f41ee21746ed95fc5e1fdf90930d5e136672d72cc770742d1711c3c3a4c334a0ad9759436a4d3c5bf6e74b9578fac148c831",
+ },
+ // X25519 test vector from RFC 7748, Section 6.1.
+ ecdh.X25519(): {
+ PrivateKey: "77076d0a7318a57d3c16c17251b26645df4c2f87ebc0992ab177fba51db92c2a",
+ PublicKey: "8520f0098930a754748b7ddcb43ef75a0dbf3a0d26381af4eba4a98eaa9b4e6a",
+ PeerPublicKey: "de9edb7d7b7dc1b4d35b61c2ece435373f8343c85b78674dadfc7e146f882b4f",
+ SharedSecret: "4a5d9d5ba4ce2de1728e3bf480350f25e07e21c947d19e3376f09b3c1e161742",
+ },
+}
+
+func TestVectors(t *testing.T) {
+ testAllCurves(t, func(t *testing.T, curve ecdh.Curve) {
+ v := vectors[curve]
+ key, err := curve.NewPrivateKey(hexDecode(t, v.PrivateKey))
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !bytes.Equal(key.PublicKey().Bytes(), hexDecode(t, v.PublicKey)) {
+ t.Error("public key derived from the private key does not match")
+ }
+ peer, err := curve.NewPublicKey(hexDecode(t, v.PeerPublicKey))
+ if err != nil {
+ t.Fatal(err)
+ }
+ secret, err := key.ECDH(peer)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !bytes.Equal(secret, hexDecode(t, v.SharedSecret)) {
+ t.Errorf("shared secret does not match: %x %x %s %x", secret, sha256.Sum256(secret), v.SharedSecret,
+ sha256.Sum256(hexDecode(t, v.SharedSecret)))
+ }
+ })
+}
+
+func hexDecode(t *testing.T, s string) []byte {
+ b, err := hex.DecodeString(s)
+ if err != nil {
+ t.Fatal("invalid hex string:", s)
+ }
+ return b
+}
+
+func TestString(t *testing.T) {
+ testAllCurves(t, func(t *testing.T, curve ecdh.Curve) {
+ s := fmt.Sprintf("%s", curve)
+ if s[:1] != "P" && s[:1] != "X" {
+ t.Errorf("unexpected Curve string encoding: %q", s)
+ }
+ })
+}
+
+func TestX25519Failure(t *testing.T) {
+ identity := hexDecode(t, "0000000000000000000000000000000000000000000000000000000000000000")
+ lowOrderPoint := hexDecode(t, "e0eb7a7c3b41b8ae1656e3faf19fc46ada098deb9c32b1fd866205165f49b800")
+ randomScalar := make([]byte, 32)
+ rand.Read(randomScalar)
+
+ t.Run("identity point", func(t *testing.T) { testX25519Failure(t, randomScalar, identity) })
+ t.Run("low order point", func(t *testing.T) { testX25519Failure(t, randomScalar, lowOrderPoint) })
+}
+
+func testX25519Failure(t *testing.T, private, public []byte) {
+ priv, err := ecdh.X25519().NewPrivateKey(private)
+ if err != nil {
+ t.Fatal(err)
+ }
+ pub, err := ecdh.X25519().NewPublicKey(public)
+ if err != nil {
+ t.Fatal(err)
+ }
+ secret, err := priv.ECDH(pub)
+ if err == nil {
+ t.Error("expected ECDH error")
+ }
+ if secret != nil {
+ t.Errorf("unexpected ECDH output: %x", secret)
+ }
+}
+
+var invalidPrivateKeys = map[ecdh.Curve][]string{
+ ecdh.P256(): {
+ // Bad lengths.
+ "",
+ "01",
+ "01010101010101010101010101010101010101010101010101010101010101",
+ "000101010101010101010101010101010101010101010101010101010101010101",
+ strings.Repeat("01", 200),
+ // Zero.
+ "0000000000000000000000000000000000000000000000000000000000000000",
+ // Order of the curve and above.
+ "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
+ "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632552",
+ "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ },
+ ecdh.P384(): {
+ // Bad lengths.
+ "",
+ "01",
+ "0101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101",
+ "00010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101",
+ strings.Repeat("01", 200),
+ // Zero.
+ "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+ // Order of the curve and above.
+ "ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973",
+ "ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52974",
+ "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ },
+ ecdh.P521(): {
+ // Bad lengths.
+ "",
+ "01",
+ "0101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101",
+ "00010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101",
+ strings.Repeat("01", 200),
+ // Zero.
+ "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+ // Order of the curve and above.
+ "01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
+ "01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e9138640a",
+ "11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
+ "03fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff4a30d0f077e5f2cd6ff980291ee134ba0776b937113388f5d76df6e3d2270c812",
+ },
+ ecdh.X25519(): {
+ // X25519 only rejects bad lengths.
+ "",
+ "01",
+ "01010101010101010101010101010101010101010101010101010101010101",
+ "000101010101010101010101010101010101010101010101010101010101010101",
+ strings.Repeat("01", 200),
+ },
+}
+
+func TestNewPrivateKey(t *testing.T) {
+ testAllCurves(t, func(t *testing.T, curve ecdh.Curve) {
+ for _, input := range invalidPrivateKeys[curve] {
+ k, err := curve.NewPrivateKey(hexDecode(t, input))
+ if err == nil {
+ t.Errorf("unexpectedly accepted %q", input)
+ } else if k != nil {
+ t.Error("PrivateKey was not nil on error")
+ } else if strings.Contains(err.Error(), "boringcrypto") {
+ t.Errorf("boringcrypto error leaked out: %v", err)
+ }
+ }
+ })
+}
+
+var invalidPublicKeys = map[ecdh.Curve][]string{
+ ecdh.P256(): {
+ // Bad lengths.
+ "",
+ "04",
+ strings.Repeat("04", 200),
+ // Infinity.
+ "00",
+ // Compressed encodings.
+ "036b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
+ "02e2534a3532d08fbba02dde659ee62bd0031fe2db785596ef509302446b030852",
+ // Points not on the curve.
+ "046b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c2964fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f6",
+ "0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+ },
+ ecdh.P384(): {
+ // Bad lengths.
+ "",
+ "04",
+ strings.Repeat("04", 200),
+ // Infinity.
+ "00",
+ // Compressed encodings.
+ "03aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7",
+ "0208d999057ba3d2d969260045c55b97f089025959a6f434d651d207d19fb96e9e4fe0e86ebe0e64f85b96a9c75295df61",
+ // Points not on the curve.
+ "04aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab73617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e60",
+ "04000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+ },
+ ecdh.P521(): {
+ // Bad lengths.
+ "",
+ "04",
+ strings.Repeat("04", 200),
+ // Infinity.
+ "00",
+ // Compressed encodings.
+ "030035b5df64ae2ac204c354b483487c9070cdc61c891c5ff39afc06c5d55541d3ceac8659e24afe3d0750e8b88e9f078af066a1d5025b08e5a5e2fbc87412871902f3",
+ "0200c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
+ // Points not on the curve.
+ "0400c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66011839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16651",
+ "04000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+ },
+ ecdh.X25519(): {},
+}
+
+func TestNewPublicKey(t *testing.T) {
+ testAllCurves(t, func(t *testing.T, curve ecdh.Curve) {
+ for _, input := range invalidPublicKeys[curve] {
+ k, err := curve.NewPublicKey(hexDecode(t, input))
+ if err == nil {
+ t.Errorf("unexpectedly accepted %q", input)
+ } else if k != nil {
+ t.Error("PublicKey was not nil on error")
+ } else if strings.Contains(err.Error(), "boringcrypto") {
+ t.Errorf("boringcrypto error leaked out: %v", err)
+ }
+ }
+ })
+}
+
+func testAllCurves(t *testing.T, f func(t *testing.T, curve ecdh.Curve)) {
+ t.Run("P256", func(t *testing.T) { f(t, ecdh.P256()) })
+ t.Run("P384", func(t *testing.T) { f(t, ecdh.P384()) })
+ t.Run("P521", func(t *testing.T) { f(t, ecdh.P521()) })
+ t.Run("X25519", func(t *testing.T) { f(t, ecdh.X25519()) })
+}
+
+func BenchmarkECDH(b *testing.B) {
+ benchmarkAllCurves(b, func(b *testing.B, curve ecdh.Curve) {
+ c, err := chacha20.NewUnauthenticatedCipher(make([]byte, 32), make([]byte, 12))
+ if err != nil {
+ b.Fatal(err)
+ }
+ rand := cipher.StreamReader{
+ S: c, R: zeroReader,
+ }
+
+ peerKey, err := curve.GenerateKey(rand)
+ if err != nil {
+ b.Fatal(err)
+ }
+ peerShare := peerKey.PublicKey().Bytes()
+ b.ResetTimer()
+ b.ReportAllocs()
+
+ var allocationsSink byte
+
+ for i := 0; i < b.N; i++ {
+ key, err := curve.GenerateKey(rand)
+ if err != nil {
+ b.Fatal(err)
+ }
+ share := key.PublicKey().Bytes()
+ peerPubKey, err := curve.NewPublicKey(peerShare)
+ if err != nil {
+ b.Fatal(err)
+ }
+ secret, err := key.ECDH(peerPubKey)
+ if err != nil {
+ b.Fatal(err)
+ }
+ allocationsSink ^= secret[0] ^ share[0]
+ }
+ })
+}
+
+func benchmarkAllCurves(b *testing.B, f func(b *testing.B, curve ecdh.Curve)) {
+ b.Run("P256", func(b *testing.B) { f(b, ecdh.P256()) })
+ b.Run("P384", func(b *testing.B) { f(b, ecdh.P384()) })
+ b.Run("P521", func(b *testing.B) { f(b, ecdh.P521()) })
+ b.Run("X25519", func(b *testing.B) { f(b, ecdh.X25519()) })
+}
+
+type zr struct{}
+
+// Read replaces the contents of dst with zeros. It is safe for concurrent use.
+func (zr) Read(dst []byte) (n int, err error) {
+ for i := range dst {
+ dst[i] = 0
+ }
+ return len(dst), nil
+}
+
+var zeroReader = zr{}
+
+const linkerTestProgram = `
+package main
+import "crypto/ecdh"
+import "crypto/rand"
+func main() {
+ curve := ecdh.P384()
+ key, err := curve.GenerateKey(rand.Reader)
+ if err != nil { panic(err) }
+ _, err = curve.NewPublicKey(key.PublicKey().Bytes())
+ if err != nil { panic(err) }
+ _, err = curve.NewPrivateKey(key.Bytes())
+ if err != nil { panic(err) }
+ _, err = key.ECDH(key.PublicKey())
+ if err != nil { panic(err) }
+ println("OK")
+}
+`
+
+// TestLinker ensures that using one curve does not bring all other
+// implementations into the binary. This also guarantees that govulncheck can
+// avoid warning about a curve-specific vulnerability if that curve is not used.
+func TestLinker(t *testing.T) {
+ if testing.Short() {
+ t.Skip("test requires running 'go build'")
+ }
+ testenv.MustHaveGoBuild(t)
+
+ dir := t.TempDir()
+ hello := filepath.Join(dir, "hello.go")
+ err := os.WriteFile(hello, []byte(linkerTestProgram), 0664)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ run := func(args ...string) string {
+ cmd := exec.Command(args[0], args[1:]...)
+ cmd.Dir = dir
+ out, err := cmd.CombinedOutput()
+ if err != nil {
+ t.Fatalf("%v: %v\n%s", args, err, string(out))
+ }
+ return string(out)
+ }
+
+ goBin := testenv.GoToolPath(t)
+ run(goBin, "build", "-o", "hello.exe", "hello.go")
+ if out := run("./hello.exe"); out != "OK\n" {
+ t.Error("unexpected output:", out)
+ }
+
+ // List all text symbols under crypto/... and make sure there are some for
+ // P384, but none for the other curves.
+ var consistent bool
+ nm := run(goBin, "tool", "nm", "hello.exe")
+ for _, match := range regexp.MustCompile(`(?m)T (crypto/.*)$`).FindAllStringSubmatch(nm, -1) {
+ symbol := strings.ToLower(match[1])
+ if strings.Contains(symbol, "p384") {
+ consistent = true
+ }
+ if strings.Contains(symbol, "p224") || strings.Contains(symbol, "p256") || strings.Contains(symbol, "p521") {
+ t.Errorf("unexpected symbol in program using only ecdh.P384: %s", match[1])
+ }
+ }
+ if !consistent {
+ t.Error("no P384 symbols found in program using ecdh.P384, test is broken")
+ }
+}
+
+func TestMismatchedCurves(t *testing.T) {
+ curves := []struct {
+ name string
+ curve ecdh.Curve
+ }{
+ {"P256", ecdh.P256()},
+ {"P384", ecdh.P384()},
+ {"P521", ecdh.P521()},
+ {"X25519", ecdh.X25519()},
+ }
+
+ for _, privCurve := range curves {
+ priv, err := privCurve.curve.GenerateKey(rand.Reader)
+ if err != nil {
+ t.Fatalf("failed to generate test key: %s", err)
+ }
+
+ for _, pubCurve := range curves {
+ if privCurve == pubCurve {
+ continue
+ }
+ t.Run(fmt.Sprintf("%s/%s", privCurve.name, pubCurve.name), func(t *testing.T) {
+ pub, err := pubCurve.curve.GenerateKey(rand.Reader)
+ if err != nil {
+ t.Fatalf("failed to generate test key: %s", err)
+ }
+ expected := "crypto/ecdh: private key and public key curves do not match"
+ _, err = priv.ECDH(pub.PublicKey())
+ if err.Error() != expected {
+ t.Fatalf("unexpected error: want %q, got %q", expected, err)
+ }
+ })
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-04 09:12:19 +0000