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33 lines
748 B
Go
33 lines
748 B
Go
/*
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* Copyright 2017 Kopano
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*
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* Use of this source code is governed by a MIT license
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* that can be found in the LICENSE.txt file.
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*
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*/
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package rndm
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import (
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"crypto/rand"
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)
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// GenerateRandomBytes returns securely generated random bytes. It will panic
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// when the system fails to provide enough secure random data.
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func GenerateRandomBytes(n int) []byte {
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b := make([]byte, n)
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_, err := ReadRandomBytes(b)
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if err != nil {
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panic("unable to read enough random bytes")
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}
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return b
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}
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// ReadRandomBytes is a helper function that reads random data into the provided
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// []byte. Tt returns the number of random bytes read and an error if fewer
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// bytes were read.
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func ReadRandomBytes(b []byte) (n int, err error) {
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return rand.Read(b)
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}
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