)

// Random number state.
// We generate random temporary file names so that there's a good
// chance the file doesn't exist yet.
var (
	randN  uint32
	randmu sync.Mutex
)

// Temp files created in default Tmp dir
var globalTestTmpDir = os.TempDir()

// reseed - returns a new seed every time the function is called.
func reseed() uint32 {
	return uint32(time.Now().UnixNano() + int64(os.Getpid()))

}

// AssumeRoleWithCertificate implements user authentication with client certificates.
// It verifies the client-provided X.509 certificate, maps the certificate to an S3 policy
// and returns temp. S3 credentials to the client.
//
// API endpoint: https://minio:9000?Action=AssumeRoleWithCertificate&Version=2011-06-15
func (sts *stsAPIHandlers) AssumeRoleWithCertificate(w http.ResponseWriter, r *http.Request) {