From: Roger Shimizu <rosh@debian.org>
Date: Sun, 12 Jul 2020 19:41:21 +0900
Subject: Revert "Adopt to new signature key and format"

This reverts commit 432bc627bbcfc66207a9521abb897811cc42d0b7.
---
 infra/control/verify.go | 121 +++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 114 insertions(+), 7 deletions(-)

diff --git a/infra/control/verify.go b/infra/control/verify.go
index 84a1ae1..3aeab57 100644
--- a/infra/control/verify.go
+++ b/infra/control/verify.go
@@ -2,12 +2,106 @@ package control
 
 import (
 	"flag"
+	"fmt"
 	"os"
+	"strings"
+
+	"golang.org/x/crypto/openpgp"
 
-	"github.com/v2fly/VSign/signerVerify"
 	"v2ray.com/core/common"
 )
 
+var pubkey = []string{`-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQENBFx4NlQBCADJyVwRUO/LzcnoHLWKppFQY4aTS+fH8k4Pf5nB3VR41v/3QZm1
+jBkuO1522KmBkPPuuYDAdOrE8Y8UVLfir5RxnZXF9Ke8SPq0zB+ruOHfv0xJUz8q
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+yon/Ue3xxxbZnWvfsluhPADomNwbJ5iTFeRClJqdACb/YqIEo2M2ttLE3QF2qrrL
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+QiRC90xqxDa1u+q6cbFdiOdaKMzvibT9OnC7RanZ3uk+D0Jgs7yKuwHSNwNX6C3C
+NTaV4BNont/v+X9ycP3NhqlMN8yONnSl66O19RBbdbP6M+UCr96mRiu0YA==
+=T8XU
+-----END PGP PUBLIC KEY BLOCK-----
+`, `-----BEGIN PGP PUBLIC KEY BLOCK-----
+Comment: GPGTools - https://gpgtools.org
+
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+=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 {
@@ -18,7 +112,7 @@ 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.",
 		},
 	}
@@ -39,7 +133,12 @@ func (c *VerifyCommand) Execute(args []string) error {
 	}
 
 	if *sigFile == "" {
-		return newError("empty signature path.")
+		*sigFile = target + ".sig"
+	}
+
+	targetReader, err := os.Open(os.ExpandEnv(target))
+	if err != nil {
+		return newError("failed to open file: ", target).Base(err)
 	}
 
 	sigReader, err := os.Open(os.ExpandEnv(*sigFile))
@@ -47,15 +146,23 @@ func (c *VerifyCommand) Execute(args []string) error {
 		return newError("failed to open file ", *sigFile).Base(err)
 	}
 
-	files := fs.Args()
+	for _, key := range pubkey {
+		keyring, err := openpgp.ReadArmoredKeyRing(strings.NewReader(key))
+		if err != nil {
+			return newError("failed to create keyring").Base(err)
+		}
 
-	err = signerVerify.OutputAndJudge(signerVerify.CheckSignaturesV2Fly(sigReader, files))
+		entity, err := openpgp.CheckDetachedSignature(keyring, targetReader, sigReader)
+		if err != nil {
+			fmt.Println("failed to verify, try another key: ", err)
+			continue
+		}
 
-	if err == nil {
+		fmt.Println("Signed by:", firstIdentity(entity.Identities))
 		return nil
 	}
 
-	return newError("file is not officially signed by V2Ray").Base(err)
+	return newError("file is not officially signed by V2Ray")
 }
 
 func init() {