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Diffstat (limited to 'peer/id.go')
-rw-r--r--peer/id.go16
1 files changed, 16 insertions, 0 deletions
diff --git a/peer/id.go b/peer/id.go
new file mode 100644
index 0000000..197da5a
--- /dev/null
+++ b/peer/id.go
@@ -0,0 +1,16 @@
+package peer
+
+import (
+ "crypto/rand"
+ "fmt"
+ "math/big"
+)
+
+func NewID() (string, error) {
+ limit := new(big.Int).Lsh(big.NewInt(1), 80)
+ id, err := rand.Int(rand.Reader, limit)
+ if err != nil {
+ return "", err
+ }
+ return fmt.Sprintf("%0.20x", id), nil
+}