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082c1dde71
* deep-exit: bubble up error from item_metrics.go * deep-exit: bubble up error from password.go
31 lines
622 B
Go
31 lines
622 B
Go
package idgen
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import (
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saferand "crypto/rand"
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"fmt"
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"math/big"
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)
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const PasswordLength = 64
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func GeneratePassword(length int) (string, error) {
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upper := "ABCDEFGHIJKLMNOPQRSTUVWXY"
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lower := "abcdefghijklmnopqrstuvwxyz"
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digits := "0123456789"
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charset := upper + lower + digits
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charsetLength := len(charset)
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buf := make([]byte, length)
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for i := range length {
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rInt, err := saferand.Int(saferand.Reader, big.NewInt(int64(charsetLength)))
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if err != nil {
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return "", fmt.Errorf("prng failed to generate unique id or password: %w", err)
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}
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buf[i] = charset[rInt.Int64()]
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}
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return string(buf), nil
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}
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