init: v1.0.0

tpc/sm2/sm2m/outsource/os_blind_sign_test.go

@@ -0,0 +1,52 @@
+package outsource
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"xdx.jelly/xgcl/grand"
+	"xdx.jelly/xgcl/sm/sm2"
+	"xdx.jelly/xgcl/tpc/sm2/sm2m"
+)
+
+// 外包盲签名流程示例
+func TestOSBlindSign(t *testing.T) {
+	//O、客户端生成paillier密钥
+	var err error
+	rnd := grand.Reader
+	paiPrivKey, paiPubKey, encryptedClientKey1, _, serverKey, publicKey := osGenerateKey(t)
+
+	e := make([]byte, 32)
+	rnd.Read(e)
+
+	clientCtx := NewClientBlindSignContext(paiPrivKey, rnd)
+	// 1) client -> os
+
+	// 2）os -> client
+	osServerCtx := NewOSBlindSignContext()
+	pp, err := osServerCtx.Step1(rnd) // P'
+	assert.Nil(t, err)
+
+	// 3) client -> hfserver
+	ecipher, p, err := clientCtx.Step1(e, pp)
+	assert.Nil(t, err)
+
+	// 4) hfserver -> client
+	rcipher, s1, s2cipher, err := sm2m.ServerBlindSign(serverKey, ecipher, p, paiPubKey, rnd)
+	assert.Nil(t, err)
+
+	// 5) clinet -> os
+	s1p, s2p, err := clientCtx.Step2(rcipher, s1, s2cipher)
+	assert.Nil(t, err)
+
+	// 6) 外包服务器解析data并计算c,把c发送给客户端
+	w, err := osServerCtx.Step2(s1p, s2p, encryptedClientKey1, paiPubKey)
+	assert.Nil(t, err)
+
+	// 7) 客户端计算签名值
+	sig, err := clientCtx.Step3(w)
+	assert.Nil(t, err)
+
+	// 8) 客户端验证签名
+	assert.True(t, sm2.Verify(e, publicKey, sig))
+}