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fixed blindsign process. Repo outdated.

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This commit is contained in:
arnaucode
2017-12-30 08:13:31 +01:00
parent f0aa841275
commit 7734e0926f
5 changed files with 20 additions and 15 deletions
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2
clientApp/GUI/views/main/main.html
View File

@@ -32,7 +32,7 @@
<span class="badge c_o_green300" ng-show="id.pubKSigned">Signed</span>
</div>
<div ng-click="blindAndSendToSign(id.pubK)" ng-show="!id.pubKSigned" class="btn btn-sm btn-raised c_o_cyan300 pull-right">Send to serverIDsigner</div>
<div ng-click="verify(id.pubK)" ng-show="!id.verified"class="btn btn-sm btn-raised c_o_deepPurple300 pull-right">Verify</div>
<!--<div ng-click="verify(id.pubK)" ng-show="!id.verified"class="btn btn-sm btn-raised c_o_deepPurple300 pull-right">Verify</div>-->
</div>
</div>
</div>

23
clientApp/clientAppRESTFunctions.go
View File

@@ -58,13 +58,19 @@ func BlindAndSendToSign(w http.ResponseWriter, r *http.Request) {
//read the keys stored in /keys directory
keys := readKeys("keys.json")
var key ownrsa.RSA
//search for complete key
for _, k := range keys {
if k.PubK == packPubK {
key = ownrsa.UnpackKey(k)
/*
var key ownrsa.RSA
//search for complete key
for _, k := range keys {
if k.PubK == packPubK {
key = ownrsa.UnpackKey(k)
}
}
}
*/
//get the serverIDsigner pubK
serverPubK := getServerPubK("http://" + config.ServerIDSigner.IP + ":" + config.ServerIDSigner.Port)
//blind the key.PubK
var m []int
//convert packPubK to []bytes
@@ -73,7 +79,7 @@ func BlindAndSendToSign(w http.ResponseWriter, r *http.Request) {
m = append(m, int(byte))
}
rVal := 101
blinded := ownrsa.Blind(m, rVal, key.PubK, key.PrivK)
blinded := ownrsa.Blind(m, rVal, serverPubK)
fmt.Println(blinded)
//convert blinded to string
@@ -101,9 +107,6 @@ func BlindAndSendToSign(w http.ResponseWriter, r *http.Request) {
sigma := ownrsa.StringToArrayInt(askBlindSign.M, "_")
fmt.Println(sigma)
//get the serverIDsigner pubK
serverPubK := getServerPubK("http://" + config.ServerIDSigner.IP + ":" + config.ServerIDSigner.Port)
//unblind the response
mSigned := ownrsa.Unblind(sigma, rVal, serverPubK)
fmt.Print("mSigned: ")

4
clientApp/ownrsa/rsa.go
View File

@@ -109,14 +109,14 @@ func DecryptInt(val int, privK RSAPrivateKey) int {
return int(m.Int64())
}
func Blind(m []int, r int, pubK RSAPublicKey, privK RSAPrivateKey) []int {
func Blind(m []int, r int, pubK RSAPublicKey) []int {
var mBlinded []int
rBigInt := big.NewInt(int64(r))
for i := 0; i < len(m); i++ {
mBigInt := big.NewInt(int64(m[i]))
rE := new(big.Int).Exp(rBigInt, pubK.E, nil)
mrE := new(big.Int).Mul(mBigInt, rE)
mrEmodN := new(big.Int).Mod(mrE, privK.N)
mrEmodN := new(big.Int).Mod(mrE, pubK.N)
mBlinded = append(mBlinded, int(mrEmodN.Int64()))
}
return mBlinded