add description in each file what it does

create_sign_request.go

@@ -1,5 +1,7 @@
 package main
 
+// create a sign request needed for the final certificate
+
 import (
   "crypto"
   "crypto/rand"

private_key.go

@@ -1,5 +1,7 @@
 package main
 
+// generate an ecdsa or rsa private key
+
 import (
   "crypto"
   "crypto/elliptic"

public_key.go

@@ -1,5 +1,7 @@
 package main
 
+// create a public key from a private key
+
 import (
   "crypto/x509"
   "encoding/pem"

sign_request.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+
+)
+
+// sign a certificate request to create a new certificate
+func sign_request() {
+
+}

verify_signature.go

@@ -1,5 +1,7 @@
 package main
 
+// verify a signature generated with a private key
+
 import (
   "crypto/ecdsa"
   "crypto/sha256"