github.com/mutagen-io/mutagen@v0.18.0-rc1/pkg/random/random.go (about) 1 package random 2 3 import ( 4 "crypto/rand" 5 "fmt" 6 ) 7 8 // New returns a byte slice of the specified length with cryptographically 9 // random conents. 10 func New(length int) ([]byte, error) { 11 // Create the buffer. 12 result := make([]byte, length) 13 14 // Read random data. 15 if _, err := rand.Read(result[:]); err != nil { 16 return nil, fmt.Errorf("unable to read random data: %w", err) 17 } 18 19 // Success. 20 return result, nil 21 }