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https://github.com/docker/docker-credential-helpers.git
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CrazyMax
32 lines
693 B
Go
32 lines
693 B
Go
package keychain
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import (
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"crypto/rand"
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"encoding/base32"
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"strings"
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)
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var randRead = rand.Read
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// RandomID returns random ID (base32) string with prefix, using 256 bits as
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// recommended by tptacek: https://gist.github.com/tqbf/be58d2d39690c3b366ad
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func RandomID(prefix string) (string, error) {
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buf, err := RandBytes(32)
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if err != nil {
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return "", err
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}
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str := base32.StdEncoding.EncodeToString(buf)
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str = strings.ReplaceAll(str, "=", "")
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str = prefix + str
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return str, nil
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}
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// RandBytes returns random bytes of length
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func RandBytes(length int) ([]byte, error) {
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buf := make([]byte, length)
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if _, err := randRead(buf); 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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