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package crypto
import (
"crypto/rand"
"time"
)
const alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
func randomString(length int) string {
bytes := make([]byte, length)
rand.Read(bytes)
for i := range bytes {
bytes[i] = alphabet[bytes[i]%byte(len(alphabet))]
}
return string(bytes)
}
func SystemRef() string {
return time.Now().Format("020106") + randomString(8)
}
func Ref() string {
return randomString(12)
}
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