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// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package randreader
import (
"io"
"math/rand"
"time"
"github.com/minio/pkg/v3/rng"
)
// New returns an infinite reader that will return pseudo-random data.
// Data should not be used for cryptographic functions.
// A random time based seed is used.
func New() io.Reader {
return NewSource(rand.NewSource(time.Now().UnixNano()))
}
// NewSource returns an infinite reader that will return pseudo-random data.
// Data should not be used for cryptographic functions.
// The data is seeded from the provided source.
func NewSource(src rand.Source) io.Reader {
r, err := rng.NewReader(rng.WithRNG(rand.New(src)))
if err != nil {
panic(err)
}
return r
}
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