From dda238b9fc105219f220f0ec3b341b0c81b71301 Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus@mullvad.net>
Date: Mon, 20 Dec 2021 19:53:54 +0100
Subject: types: Start using sigsum-lib-go

This commit does not change the way in which the log behaves externally.
In other words, all changes are internal and involves renaming and code
restructuring.  Most notably picking up the refactored sigsum-lib-go.
---
 cmd/tmp/cosign/main.go | 43 +++++++++++++++++++++++--------------------
 1 file changed, 23 insertions(+), 20 deletions(-)

(limited to 'cmd/tmp/cosign/main.go')

diff --git a/cmd/tmp/cosign/main.go b/cmd/tmp/cosign/main.go
index cb39355..122241f 100644
--- a/cmd/tmp/cosign/main.go
+++ b/cmd/tmp/cosign/main.go
@@ -3,17 +3,18 @@ package main
 import (
 	"bytes"
 	"crypto/ed25519"
-	"encoding/hex"
 	"flag"
 	"fmt"
 	"log"
 	"net/http"
 
-	"git.sigsum.org/sigsum-log-go/pkg/types"
+	"git.sigsum.org/sigsum-lib-go/pkg/hex"
+	"git.sigsum.org/sigsum-lib-go/pkg/requests"
+	"git.sigsum.org/sigsum-lib-go/pkg/types"
 )
 
 var (
-	url    = flag.String("url", "http://localhost:6965/sigsum/v0", "base url")
+	url    = flag.String("url", "http://localhost:6965/testonly/sigsum/v0", "base url")
 	sk     = flag.String("sk", "e1d7c494dacb0ddf809a17e4528b01f584af22e3766fa740ec52a1711c59500d711090dd2286040b50961b0fe09f58aa665ccee5cb7ee042d819f18f6ab5046b", "witness secret key (hex)")
 	log_vk = flag.String("log_vk", "cc0e7294a9d002c33aaa828efba6622ab1ce8ebdb8a795902555c2813133cfe8", "log public key (hex)")
 )
@@ -21,14 +22,14 @@ var (
 func main() {
 	flag.Parse()
 
-	log_vk, err := hex.DecodeString(*log_vk)
+	log_vk, err := hex.Deserialize(*log_vk)
 	if err != nil {
-		log.Fatalf("DecodeString: %v", err)
+		log.Fatalf("Deserialize: %v", err)
 	}
 
-	priv, err := hex.DecodeString(*sk)
+	priv, err := hex.Deserialize(*sk)
 	if err != nil {
-		log.Fatalf("DecodeString: %v", err)
+		log.Fatal(err)
 	}
 	sk := ed25519.PrivateKey(priv)
 	vk := sk.Public().(ed25519.PublicKey)
@@ -36,30 +37,32 @@ func main() {
 
 	rsp, err := http.Get(*url + "/get-tree-head-to-sign")
 	if err != nil {
-		log.Fatalf("Get: %v", err)
+		log.Fatal(err)
 	}
 	var sth types.SignedTreeHead
-	if err := sth.UnmarshalASCII(rsp.Body); err != nil {
-		log.Fatalf("UnmarshalASCII: %v", err)
+	if err := sth.FromASCII(rsp.Body); err != nil {
+		log.Fatal(err)
 	}
-	sth.TreeHead.KeyHash = types.Hash(log_vk)
 	fmt.Printf("%+v\n\n", sth)
 
-	msg := sth.TreeHead.Marshal()
-	sig := ed25519.Sign(sk, msg)
-	sigident := &types.SigIdent{
-		KeyHash:   types.Hash(vk[:]),
-		Signature: &[types.SignatureSize]byte{},
+	namespace := types.HashFn(log_vk)
+	witSTH, err := sth.TreeHead.Sign(sk, namespace)
+	if err != nil {
+		log.Fatal(err)
 	}
-	copy(sigident.Signature[:], sig)
 
+	req := requests.Cosignature{
+		KeyHash:     *types.HashFn(vk[:]),
+		Cosignature: witSTH.Signature,
+	}
 	buf := bytes.NewBuffer(nil)
-	if err := sigident.MarshalASCII(buf); err != nil {
-		log.Fatalf("MarshalASCII: %v", err)
+	if err := req.ToASCII(buf); err != nil {
+		log.Fatal(err)
 	}
+
 	rsp, err = http.Post(*url+"/add-cosignature", "type/sigsum", buf)
 	if err != nil {
-		log.Fatalf("Post: %v", err)
+		log.Fatal(err)
 	}
 	fmt.Printf("Status: %v\n", rsp.StatusCode)
 }
-- 
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