25 lines
577 B
Go
25 lines
577 B
Go
package gopackagebase
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import (
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crypto_rand "crypto/rand"
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"encoding/binary"
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"fmt"
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math_rand "math/rand"
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)
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// InitRNG will grab some cryptographically secure bytes to use as the
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// seed for the non-crypto random number generator. Suggested on
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// StackOverflow to avoid time-based seeds:
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// https://stackoverflow.com/a/54491783
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func InitRNG() error {
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var b [8]byte
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_, err := crypto_rand.Read(b[:])
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if err != nil {
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err = fmt.Errorf("error seeding random number generator: %w", err)
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return err
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}
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math_rand.Seed(int64(binary.LittleEndian.Uint64(b[:])))
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return nil
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}
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