feat: add go tpm rand

go-tpm-rand/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/google/go-tpm/legacy/tpm2"
+)
+
+// reference: https://ericchiang.github.io/post/tpm-keys/
+func main() {
+	f, err := os.OpenFile("/dev/tpmrm0", os.O_RDWR, 0)
+	if err != nil {
+		log.Fatalf("opening tpm: %v", err)
+	}
+	defer f.Close()
+
+	out, err := tpm2.GetRandom(f, 16)
+	if err != nil {
+		log.Fatalf("getting random bytes: %v", err)
+	}
+	fmt.Printf("%x\n", out)
+}