github.com/epfl-dcsl/gotee@v0.0.0-20200909122901-014b35f5e5e9/src/crypto/internal/cipherhw/cipherhw_amd64.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build amd64,!gccgo,!appengine
     6  
     7  package cipherhw
     8  
     9  import (
    10  	"runtime"
    11  )
    12  
    13  // defined in asm_amd64.s
    14  func hasAESNI() bool
    15  
    16  // AESGCMSupport returns true if the Go standard library supports AES-GCM in
    17  // hardware.
    18  func AESGCMSupport() bool {
    19  	if runtime.IsEnclave() {
    20  		return true
    21  	}
    22  	return hasAESNI()
    23  }