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17 lines
298 B
Go
17 lines
298 B
Go
package securepassword
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import (
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"crypto/rand"
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"math/big"
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"github.com/pkg/errors"
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)
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func randIntn(max int) (int, error) {
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cidx, err := rand.Int(rand.Reader, big.NewInt(int64(max)))
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if err != nil {
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return 0, errors.Wrap(err, "generating random number")
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}
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return int(cidx.Int64()), nil
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}
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