REALITY protocol: Add optional Post-Quantum ML-DSA-65 verification for cert's ExtraExtensions

4eaf7927f3

main/commands/all/mldsa65.go

@@ -0,0 +1,42 @@
+package all
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
+
+	"github.com/cloudflare/circl/sign/mldsa/mldsa65"
+	"github.com/xtls/xray-core/main/commands/base"
+)
+
+var cmdMLDSA65 = &base.Command{
+	UsageLine: `{{.Exec}} mldsa65 [-i "seed (base64.RawURLEncoding)"]`,
+	Short:     `Generate key pair for ML-DSA-65 post-quantum signature`,
+	Long: `
+Generate key pair for ML-DSA-65 post-quantum signature.
+
+Random: {{.Exec}} mldsa65
+
+From seed: {{.Exec}} mldsa65 -i "seed (base64.RawURLEncoding)"
+`,
+}
+
+func init() {
+	cmdMLDSA65.Run = executeMLDSA65 // break init loop
+}
+
+var input_seed = cmdMLDSA65.Flag.String("i", "", "")
+
+func executeMLDSA65(cmd *base.Command, args []string) {
+	var seed [32]byte
+	if len(*input_seed) > 0 {
+		s, _ := base64.RawURLEncoding.DecodeString(*input_seed)
+		seed = [32]byte(s)
+	} else {
+		rand.Read(seed[:])
+	}
+	pub, _ := mldsa65.NewKeyFromSeed(&seed)
+	fmt.Printf("Seed: %v\nVerify: %v",
+		base64.RawURLEncoding.EncodeToString(seed[:]),
+		base64.RawURLEncoding.EncodeToString(pub.Bytes()))
+}