43 lines
790 B
Go
43 lines
790 B
Go
// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
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package secrets
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import (
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"crypto/rand"
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"encoding/base64"
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"encoding/hex"
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"fmt"
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)
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var _ = fmt.Print
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const DEFAULT_NUM_OF_BYTES_FOR_TOKEN = 32
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func TokenBytes(nbytes ...int) ([]byte, error) {
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if len(nbytes) == 0 {
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nbytes = []int{DEFAULT_NUM_OF_BYTES_FOR_TOKEN}
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}
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buf := make([]byte, nbytes[0])
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_, err := rand.Read(buf)
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if err != nil {
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return nil, err
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}
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return buf, nil
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}
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func TokenHex(nbytes ...int) (string, error) {
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b, err := TokenBytes(nbytes...)
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if err != nil {
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return "", err
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}
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return hex.EncodeToString(b), nil
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}
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func TokenBase64(nbytes ...int) (string, error) {
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b, err := TokenBytes(nbytes...)
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if err != nil {
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return "", err
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}
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return base64.StdEncoding.EncodeToString(b), nil
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}
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