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https://github.com/gravitl/netmaker.git
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48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package ncutils
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import (
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"bytes"
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"crypto/rand"
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"encoding/gob"
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)
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// DEFAULT_GC_PERCENT - garbage collection percent
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const DEFAULT_GC_PERCENT = 10
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// == OS PATH FUNCTIONS ==
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// ConvertKeyToBytes - util to convert a key to bytes to use elsewhere
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func ConvertKeyToBytes(key *[32]byte) ([]byte, error) {
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var buffer bytes.Buffer
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var enc = gob.NewEncoder(&buffer)
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if err := enc.Encode(key); err != nil {
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return nil, err
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}
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return buffer.Bytes(), nil
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}
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// ConvertBytesToKey - util to convert bytes to a key to use elsewhere
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func ConvertBytesToKey(data []byte) (*[32]byte, error) {
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var buffer = bytes.NewBuffer(data)
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var dec = gob.NewDecoder(buffer)
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var result = new([32]byte)
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var err = dec.Decode(result)
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if err != nil {
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return nil, err
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}
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return result, err
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}
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// MakeRandomString - generates a random string of len n
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func MakeRandomString(n int) string {
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const validChars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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result := make([]byte, n)
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if _, err := rand.Reader.Read(result); err != nil {
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return ""
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}
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for i, b := range result {
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result[i] = validChars[b%byte(len(validChars))]
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}
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return string(result)
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}
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