35 lines
562 B
Go
35 lines
562 B
Go
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package token
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/base32"
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"encoding/hex"
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"strings"
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)
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func randomBytes(n int) ([]byte, error) {
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b := make([]byte, n)
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_, err := rand.Read(b)
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if err != nil {
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return nil, err
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}
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return b, nil
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}
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func New() (string, error) {
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b, err := randomBytes(16)
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if err != nil {
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return "", err
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}
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return strings.ToLower(base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(b)), nil
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}
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func Hash(plaintext string) string {
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hash := sha256.Sum256([]byte(plaintext))
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return hex.EncodeToString(hash[:])
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}
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