// Copyright 2018 Oracle and/or its affiliates. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package secrets

import (
	"math/rand"
	"time"
)

const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

var r = rand.New(rand.NewSource(time.Now().UnixNano()))

// RandomAlphanumericString generates a random password of some fixed length.
func RandomAlphanumericString(strlen int) string {
	result := make([]byte, strlen)
	for i := range result {
		result[i] = chars[r.Intn(len(chars))]
	}
	return string(result)
}
