Add vless encryption

common/xray/cpuid/cpuid.go

@@ -0,0 +1,18 @@
+package cpuid
+
+import (
+	"runtime"
+
+	"golang.org/x/sys/cpu"
+)
+
+var (
+	// Keep in sync with crypto/tls/cipher_suites.go.
+	hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ
+	hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL
+	hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasGHASH
+	hasGCMAsmPPC64 = runtime.GOARCH == "ppc64" || runtime.GOARCH == "ppc64le"
+
+	// HasAESGCM indicates whether the CPU has AES-GCM hardware acceleration.
+	HasAESGCM = hasGCMAsmAMD64 || hasGCMAsmARM64 || hasGCMAsmS390X || hasGCMAsmPPC64
+)