Adding admin and voter utils

utils/cryptoballot/admin_create.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+
+	"github.com/cryptoballot/cryptoballot/cryptoballot"
+	"github.com/urfave/cli"
+)
+
+func actionAdminCreate(c *cli.Context) error {
+	filename := c.Args().First()
+
+	if filename == "" {
+		log.Fatal("Please specify an election file to PUT to the ballotclerk server")
+	}
+
+	if PrivateKey == nil {
+		log.Fatal("Please specify a private key pem file with --key (eg: `--key=path/to/mykey.pem`)")
+	}
+
+	content, err := ioutil.ReadFile(filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	election, err := cryptoballot.NewElection(content)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Sign election if needed
+	if !election.HasSignature() {
+		election.Signature, err = PrivateKey.SignString(election.String())
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	// Verify the election was signed correctly
+	err = election.VerifySignature()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// PUT the election to the Election Clerk server
+	err = BallotClerkClient.PutElection(election, PrivateKey)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return nil
+}

utils/cryptoballot/admin_tally.go

@@ -0,0 +1 @@
+package main

utils/cryptoballot/cryptoballot.go

@@ -7,6 +7,8 @@ import (
 
 	"github.com/cryptoballot/cryptoballot/clients/ballotbox"
 	"github.com/cryptoballot/cryptoballot/clients/ballotclerk"
+	"github.com/cryptoballot/cryptoballot/cryptoballot"
+	"github.com/phayes/decryptpem"
 	"github.com/urfave/cli"
 )
 
@@ -19,6 +21,12 @@ var BallotClerkClient *ballotclerk.Client
 // BallotBoxClient is used to connect to ballotbox server
 var BallotBoxClient *ballotbox.Client
 
+// PrivateKey for all operations that require a private key
+var PrivateKey cryptoballot.PrivateKey
+
+// PublicKey derived from PrivateKey
+var PublicKey cryptoballot.PublicKey
+
 func main() {
 	app := cli.NewApp()
 	app.Name = "cryptoballot"
@@ -33,6 +41,10 @@ func main() {
 			Name:  "ballotbox",
 			Value: "http://localhost:8002",
 		},
+		cli.StringFlag{
+			Name:  "key",
+			Value: "",
+		},
 	}
 
 	// Commands
@@ -42,12 +54,9 @@ func main() {
 			Usage: "perform election administrative operations",
 			Subcommands: []cli.Command{
 				{
-					Name:  "create",
-					Usage: "create a new election",
-					Action: func(c *cli.Context) error {
-						fmt.Println("create: ", c.Args().First())
-						return nil
-					},
+					Name:      "create",
+					Usage:     "create a new election",
+					Action:    actionAdminCreate,
 					ArgsUsage: "[electionfile]",
 				},
 				{
@@ -104,6 +113,26 @@ func main() {
 		// Connect to A4D Extract
 		BallotBoxClient = ballotbox.NewClient(c.String("ballotbox"))
 
+		// Privat Key
+		if c.String("key") != "" {
+
+			// Decrypt it as needed
+			pem, err := decryptpem.DecryptFileWithPrompt(c.String("key"))
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			PrivateKey, err = cryptoballot.NewPrivateKeyFromBlock(pem)
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			PublicKey, err = PrivateKey.PublicKey()
+			if err != nil {
+				log.Fatal(err)
+			}
+		}
+
 		return nil
 	}
 

utils/cryptoballot/voter_verify.go

@@ -0,0 +1 @@
+package main

utils/cryptoballot/voter_vote.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+
+	"github.com/cryptoballot/cryptoballot/cryptoballot"
+	"github.com/urfave/cli"
+)
+
+func actionVoterVote(c *cli.Context) error {
+	filename := c.Args().First()
+
+	if filename == "" {
+		log.Fatal("Please specify an balliot file to PUT to the ballotbox server")
+	}
+
+	if PrivateKey == nil {
+		log.Fatal("Please specify a private key pem file with --key (eg: `--key=path/to/mykey.pem`)")
+	}
+
+	content, err := ioutil.ReadFile(filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	ballot, err := cryptoballot.NewBallot(content)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Get public key from ballotclerk server
+	clerkPublicKey, err := BallotClerkClient.GetPublicKey()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Blind the ballot
+	blindBallot, unblinder, err := ballot.Blind(clerkPublicKey)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Create a signature request
+	signatureRequest := &cryptoballot.SignatureRequest{
+		ElectionID:  ballot.ElectionID,
+		RequestID:   PublicKey.GetSHA256(),
+		PublicKey:   PublicKey.Bytes(),
+		BlindBallot: blindBallot,
+	}
+	signatureRequest.Signature, err = PrivateKey.SignString(signatureRequest.String())
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Do the signature request
+	fulfilled, err := BallotClerkClient.PostSignatureRequest(signatureRequest, PrivateKey)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Unblind the ballot using the FulfilledSignatureRequest
+	err = ballot.Unblind(clerkPublicKey, fulfilled.BallotSignature, unblinder)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// PUT the ballot
+	err = BallotBoxClient.PutBallot(ballot)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return nil
+}