diff --git a/go.mod b/go.mod
index 71d974a18..32d14066d 100644
--- a/go.mod
+++ b/go.mod
@@ -10,8 +10,9 @@ require (
 	github.com/refraction-networking/utls v0.0.0-20190909200633-43c36d3c1f57
 	github.com/seiflotfy/cuckoofilter v0.0.0-20200511222245-56093a4d3841
 	github.com/stretchr/testify v1.6.1
+	github.com/xiaokangwang/VSign v0.0.0-20200704121915-cb2e1f64f24c // indirect
 	go.starlark.net v0.0.0-20190919145610-979af19b165c
-	golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9
+	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	golang.org/x/net v0.0.0-20200602114024-627f9648deb9
 	golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a
 	golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
diff --git a/go.sum b/go.sum
index 0db98844a..8b77d112c 100644
--- a/go.sum
+++ b/go.sum
@@ -7,6 +7,8 @@ github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgryski/go-metro v0.0.0-20180109044635-280f6062b5bc h1:8WFBn63wegobsYAX0YjD+8suexZDga5CctH4CCTx2+8=
 github.com/dgryski/go-metro v0.0.0-20180109044635-280f6062b5bc/go.mod h1:c9O8+fpSOX1DM8cPNSkX/qsBWdkD4yd2dpciOWQjpBw=
+github.com/ebfe/bcrypt_pbkdf v0.0.0-20140212075826-3c8d2dcb253a h1:YtdtTUN1iH97s+6PUjLnaiKSQj4oG1/EZ3N9bx6g4kU=
+github.com/ebfe/bcrypt_pbkdf v0.0.0-20140212075826-3c8d2dcb253a/go.mod h1:/CZpbhAusDOobpcb9yubw46kdYjq0zRC0Wpg9a9zFQM=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
@@ -54,6 +56,8 @@ github.com/seiflotfy/cuckoofilter v0.0.0-20200511222245-56093a4d3841/go.mod h1:E
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/xiaokangwang/VSign v0.0.0-20200704121915-cb2e1f64f24c h1:ZhNj6V5QpDFbJZQR1FYywUTwRgr1HmlsvuExY/U0vJI=
+github.com/xiaokangwang/VSign v0.0.0-20200704121915-cb2e1f64f24c/go.mod h1:jTwBnzBuqZP3VX/Z65ErYb9zd4anQprSC7N38TmAp1E=
 go.starlark.net v0.0.0-20190919145610-979af19b165c h1:WR7X1xgXJlXhQBdorVc9Db3RhwG+J/kp6bLuMyJjfVw=
 go.starlark.net v0.0.0-20190919145610-979af19b165c/go.mod h1:c1/X6cHgvdXj6pUlmWKMkuqRnW4K8x2vwt6JAaaircg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
@@ -61,6 +65,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9 h1:vEg9joUBmeBcK9iSJftGNf3coIG4HqZElCPehJsfAYM=
 golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
diff --git a/infra/control/verify.go b/infra/control/verify.go
index 3aeab578f..1a4ee2818 100644
--- a/infra/control/verify.go
+++ b/infra/control/verify.go
@@ -2,106 +2,11 @@ package control
 
 import (
 	"flag"
-	"fmt"
+	"github.com/xiaokangwang/VSign/signerVerify"
 	"os"
-	"strings"
-
-	"golang.org/x/crypto/openpgp"
-
 	"v2ray.com/core/common"
 )
 
-var pubkey = []string{`-----BEGIN PGP PUBLIC KEY BLOCK-----
-
-mQENBFx4NlQBCADJyVwRUO/LzcnoHLWKppFQY4aTS+fH8k4Pf5nB3VR41v/3QZm1
-jBkuO1522KmBkPPuuYDAdOrE8Y8UVLfir5RxnZXF9Ke8SPq0zB+ruOHfv0xJUz8q
-bcArsdXpDRxtrEbi7J81YOB/yITuY5kSYUA9v1TZWf7eSS6GIw/YF0Eo/gsbbpwQ
-yon/Ue3xxxbZnWvfsluhPADomNwbJ5iTFeRClJqdACb/YqIEo2M2ttLE3QF2qrrL
-SbzdTUtr3qjADIEWHoABcQ+Amx0sGnyiTJUGiL+4QwdIOLsh4RLq1MWgN+niw9Cl
-cUQBPojZmHPPqIjNXr823TpZvkZOxuE9RSDjABEBAAG0I1YyUmF5IE9mZmljaWFs
-IDxvZmZpY2lhbEB2MnJheS5jb20+iQFUBBMBCAA+FiEErWNIgUDlPuCCHb89lRmC
-s2m2F+UFAlx4NlQCGwMFCQPCZwAFCwkIBwIGFQgJCgsCBBYCAwECHgECF4AACgkQ
-lRmCs2m2F+Xvlgf8CenlUIj+abvtISSkHLi1qKPTIt8tzPxcYX1yUC3nkqaXW7eh
-+VTjZXU7y5rfelUBQchnEqqIfH4liH5t+yFoMeTntyo3bTgcj7BhjBwwB4lQspnb
-AjiuLV95L6QbJoPVyJ1KlAC3X88QRlUDYy5ft0wTro1A4oLdgtbzWhiXKIAcedBt
-zMjvX/qETtQvs15sF+HgF3/MHPjGH0I3gumIRMiIEE7vtaQvOZHknXlg552W+gmN
-BVFr9uuLMPCD/+LB2uhGhjuEA8Jj3mqKtkyWSEkOd9losBbBrEo0wupEz1/Ahxga
-h2X1Zd1etdDRsjl7JRt4Hf+vXV+kg/GfM6Gw5LkBDQRceDZUAQgArB8vjN/lwKte
-vLjWEw7DaVbMC9R7RMYLSrdPTaQpBnFuQON3GOiIikRuwowl+K0HiZzojJwVq4yF
-cGB8cBx9fT+zmAhPxLIDvY/mRb2BzsnpGgMlwydJZYLTTrPzbCXep9uzNXtBbcwd
-aXLXWfTEoWmEVO1ZGuqI7X96cJvdhjzQAvkCpk+lgdJ9vo67aTBRu2d1YL6nd9lK
-Oh4x43Cd2GNNpPOSdLxhISozImIGMFlrXn6riHXRVVcj+yVR/b9afsAm1MicDPtL
-dWxCF7kZ/4u3rcLHAjCz5T/zoBn2S4MtISWzkPXkswz6fa9fHWCgblbl4uzUq7fl
-3I8JvdGRfwARAQABiQE8BBgBCAAmFiEErWNIgUDlPuCCHb89lRmCs2m2F+UFAlx4
-NlQCGwwFCQPCZwAACgkQlRmCs2m2F+Vh1wf/TMCke/T18e//8KFmgKAeiLECpMxE
-h6jZvfIMh5lN0YxmgKkw7T2UgYyqYJ4Wxm24iiNw2KUV/saltzsc5PoWMlcdpI8c
-t7VNWbzHTgr2+UvigLgFpGG6G5GSlKVinXSZcgADN4F+7VMD+urycFPEmLYSTmlE
-DKz+NrHmeKh08palwJEZnuK4vBg6WREHLcrborGgyZUxLu/ehbGc3QqMBbvupr3m
-QiRC90xqxDa1u+q6cbFdiOdaKMzvibT9OnC7RanZ3uk+D0Jgs7yKuwHSNwNX6C3C
-NTaV4BNont/v+X9ycP3NhqlMN8yONnSl66O19RBbdbP6M+UCr96mRiu0YA==
-=T8XU
------END PGP PUBLIC KEY BLOCK-----
-`, `-----BEGIN PGP PUBLIC KEY BLOCK-----
-Comment: GPGTools - https://gpgtools.org
-
-mQINBFiuFLcBEACtu5pycj7nHINq9gdkWtQhOdQPMRmbWPbCfxBRceIyB9IHUKay
-ldKEAA5DlOtub2ao811pLqcvcWMN61vmwDE9wcBBf1BRpoTb1XB4k60UDuCH4m9u
-r/XcwGaVBchiO8mdqCpB/h0rGXuoJ2Lqk4kXmyRZuaX2WUg7eOK9ZfslaaBc8lvI
-r5UvY7UL39LtzvOhQ+el2fXhktwZnCjDlovZzRVpn0QXXUAnuDuzCmd04NXjHZZB
-8q+h7jZrPrNusPzThkcaTUyuMqAHSrn0plNV1Ne0gDsUjGIOEoWtodnTeYGjkodu
-qipmLoFiFz0MsdD6CBs6LOr2OIjqJ8TtiMj2MqPiKZTVOb+hpmH1Cs6EN3IhCiLX
-QbiKX3UjBdVRIFlr4sL/JvOpLKr1RaEQS3nJ2m/Xuki1AOeKLoX8ebPca34tyXj0
-2gs7Khmfa02TI+fvcAlwzfwhDDab96SnKNOK6XDp0rh3ZTKVYeFhcN7m9z8FWHyJ
-O1onRVaq2bsKPX1Zv9ZC7jZIAMV2pC26UmRc7nJ/xdFj3tafA5hvILUifpO1qdlX
-iOCK+biPU3T9c6FakNiQ0sXAqhHbKaJNYcjDF3H3QIs1a35P7kfUJ+9Nc1WoCFGV
-Gh94dVLMGuoh+qo0A0qCg/y0/gGeZQ7G3jT5NXFx6UjlAb42R/dP+VSg6QARAQAB
-tCVPZmZpY2lhbCBSZWxlYXNlIDxvZmZpY2lhbEB2MnJheS5jb20+iQJUBBMBCgA+
-AhsDBQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAFiEEiwxeMlNgMveaPc7Z4a+lUMfT
-xJoFAlqRYBMFCQPF0FwACgkQ4a+lUMfTxJoymBAAnyqLfEdmP0ulki3uCQvIH4JD
-OXvFRyTLYweLehGqZ63i7yy0c1BzOsQbmQy2Trl2uiCgjOLmA6LdFB2d3rhsFssK
-fhFGroqCOHPdG7thSnBu9C0ohWdoiE1hfXVUtRn0P2vfqswNMdxwNwlZiRhWJemw
-1WmlaSXRp3PznC1eCYwUaS5IT18rzJyuk8z/Scb9DEWQwPhypz+NTE3j7qvQFmdP
-0cEDGUUXVe3HQ7oHlC+hzL79KttJeEMl575YbuLtAeRSJC0M+IgXd8YKuoORhqFM
-OwW4CNVMnAiF6mmb2Wf1hM+A9ydWVd3rz7sp3k1n4i5Hl4ftEz2cdicTX1JBG4ZB
-wsa9pfC5jk+negIQVvHPQRtWc/2bNYxNBF2cIpKF9wQ00E/wP64vl5QwJzs58Fqc
-cl3AwfskfvzeLSpdKlOCLE8FSQiKQ/NNw9fAuAe7YxW9xSKRTFGx8yQCNd11fmFe
-iMCDsBE9I51yUy8ywEtnedHi6mxMrnLv24VkD7jQZBWlvMDUEhGy2f6KgrSHTdEJ
-ZchSxfEIaM9Thy1E/3f6dQVkiPsf+/4wikS6sCdyW+ITVYc6yE5MvRz5oDjQH4z5
-JoELeuNxR59kpBErgdr8DBHSJNuxIT63QynrglwsG319Dzu5uPUC6WfqUGG9ATJ0
-neWkINHrf53bVk2rUG65Ag0EWK4UtwEQAL+11tnPaWlnbVj64j1Qikd+2gZRR7XF
-fNx1RHHHr4fyxmXUteZFS/L7QHJMDUYmVe6yiq6cvafuygqaUdrp8FLqapGZrsnj
-jH4i+h1cnZBiO4ui3mA/oaQM/FVjQDQ1LBeLlVxGDYhj/mlmDfYOIsd0wys0AmmW
-ytPsx0xXnbd9lkJpItfilAR+p7rbHc+755ZIIXPCOH1bXfJz+x0yafi7TgQgEC/M
-a4SeXVSpygKamZxYbdTpV355Fa4FHCAcK8v3+LnhE6c/4HXnGiuCAO3Lm1ZhgT3E
-xr8TjlWqdUFJiMmCAf9x8UidBoa6UGyW/yI55CbH35f5p3Tgq0k4Sjq8OrwC6qJm
-WGWv0HTCs9m21ie3yDKZljVfZ+gXSkaY84JbcYbmAEXH42Y/fEQdkhxxVELHt6Tk
-1bYvpW1NgRopw9U/mV8mERc0H6Vp+KoWU4uXiHK532YR4kUmvWh5WiSPFu/e6t5+
-/iWVwXVzvrDWx76cKuye1PgF/CmhKLc1JacJgaEtxuXvVXI4er+aTL/HbiISdzfc
-tYYdEVSYlkjJdV3/30HsupdsV/Y7O2DiGhlsGa5pKXVLmAvvHzdDfc2iKIbRSRWR
-kHni7uw/r/ZY78j5yBxwjZkopo3A5NJhByBOnNh9ZaWHBrc1a3WSsItGAn5ORHWk
-Q1KJY7SDFcXvABEBAAGJAiUEGAEKAA8FAliuFLcCGwwFCQHhM4AACgkQ4a+lUMfT
-xJrRCA//clpNxJahlPqEsdzCyYEGeXvI1dcZvUmEg+Nm6n1ohRVw1lqP+JbS31N4
-lByA93R2S5QVjMdr9KranXLC4F+bCJak5wbk7Pza9jqejf5f9nSqwc+M3EkMI2Sy
-2UlokDwK8m3yMtCf3vRDifvMGXpdUVsWreYvhY5owZfgYD1Ojy6toYqE31HGJEBM
-z+nGGKkAHVKOZbQAY9X6yAxGYuoV1Z2vddu7OJ4IMdqC4mxbndmKhsfGvotNVgFT
-WRW9DsKP+Im4WrNpcF7hxZFKNMlw3RbvrrFkCVYuejLUY9xEb57gqLT2APo0LmtX
-XfvJVB3X2uOelu/MAnnANmPg4Ej8J7D/Q+XX33IGXCrVXo0CVEPscFSqn6O94Ni8
-INpICE6G1EW/y+iZWcmjx59AnKYeFa40xgr/7TYZmouGBXfBNhtsghFlZY7Hw7ZD
-Ton1Wxcv14DPigiItYk7WkOiyPTLpAloWRSzs7GDFi2MQaFnrrrJ3ep0wHKuaaYl
-KJh08QdpalNSjGiga6boN1MH5FkI2NYAyGwQGvvcMe+TDEK43KcH4AssiZNtuXzx
-fkXkose778mzGzk5rBr0jGtKAxV2159CaI2KzR+uN7JwzoHrRRhVu/OWcaL/5MKq
-OUUihc22Z9/8GnKH1gscBhoIF+cqqOfzTIA6KrJHIC2u5Vpjvac=
-=xv/V
------END PGP PUBLIC KEY BLOCK-----
-`}
-
-func firstIdentity(m map[string]*openpgp.Identity) string {
-	for k := range m {
-		return k
-	}
-	return ""
-}
-
 type VerifyCommand struct{}
 
 func (c *VerifyCommand) Name() string {
@@ -112,7 +17,7 @@ func (c *VerifyCommand) Description() Description {
 	return Description{
 		Short: "Verify if a binary is officially signed.",
 		Usage: []string{
-			"v2ctl verify [--sig=<sig-file>] file",
+			"v2ctl verify --sig=<sig-file> file...",
 			"Verify the file officially signed by V2Ray.",
 		},
 	}
@@ -133,12 +38,7 @@ func (c *VerifyCommand) Execute(args []string) error {
 	}
 
 	if *sigFile == "" {
-		*sigFile = target + ".sig"
-	}
-
-	targetReader, err := os.Open(os.ExpandEnv(target))
-	if err != nil {
-		return newError("failed to open file: ", target).Base(err)
+		return newError("empty signature path.")
 	}
 
 	sigReader, err := os.Open(os.ExpandEnv(*sigFile))
@@ -146,23 +46,15 @@ func (c *VerifyCommand) Execute(args []string) error {
 		return newError("failed to open file ", *sigFile).Base(err)
 	}
 
-	for _, key := range pubkey {
-		keyring, err := openpgp.ReadArmoredKeyRing(strings.NewReader(key))
-		if err != nil {
-			return newError("failed to create keyring").Base(err)
-		}
+	files := fs.Args()
 
-		entity, err := openpgp.CheckDetachedSignature(keyring, targetReader, sigReader)
-		if err != nil {
-			fmt.Println("failed to verify, try another key: ", err)
-			continue
-		}
+	err = signerVerify.OutputAndJudge(signerVerify.CheckSignaturesV2Fly(sigReader, files))
 
-		fmt.Println("Signed by:", firstIdentity(entity.Identities))
+	if err == nil {
 		return nil
 	}
 
-	return newError("file is not officially signed by V2Ray")
+	return newError("file is not officially signed by V2Ray").Base(err)
 }
 
 func init() {