26 lines
557 B
Go
26 lines
557 B
Go
package pxndscvm
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import (
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"crypto/rand"
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"encoding/binary"
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)
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// RandStrChoice returns a random element from the given string slice
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func RandStrChoice(choices []string) string {
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strlen := len(choices)
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n := uint32(0)
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if strlen > 0 {
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n = GetRandomUint32() % uint32(strlen)
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}
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return choices[n]
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}
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// GetRandomUint32 retrieves a cryptographically sound random 32 bit unsigned little endian integer
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func GetRandomUint32() uint32 {
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b := make([]byte, 8192)
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if _, err := rand.Read(b); err != nil {
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panic(err)
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}
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return binary.LittleEndian.Uint32(b)
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}
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