WIP

Signed-off-by: Nguyen Van Nguyen <[email protected]>
web-of-trust · Sep 25, 2024 · ee20b0c · ee20b0c
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commit ee20b0c
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diff --git a/examples/cleartext-signing.php b/examples/cleartext-signing.php
@@ -0,0 +1,221 @@
+<?php declare(strict_types=1);
+
+require_once dirname(__DIR__) . '/vendor/autoload.php';
+
+use OpenPGP\OpenPGP;
+
+$passphase = '8pM1b;)|5;lD7/SM51o>p1Vp%F}u=AO7';
+
+$keyData = <<<EOT
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: PHP Privacy v2
+Comment: https://github.com/web-of-trust/php-privacy
+
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+=B8qK
+-----END PGP PRIVATE KEY BLOCK-----
+EOT;
+$rsaPrivateKey = OpenPGP::decryptPrivateKey(
+    $keyData,
+    $passphase,
+);
+
+$keyData = <<<EOT
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: PHP Privacy v2
+Comment: https://github.com/web-of-trust/php-privacy
+
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+=42yk
+-----END PGP PRIVATE KEY BLOCK-----
+EOT;
+$eccPrivateKey = OpenPGP::decryptPrivateKey(
+    $keyData,
+    $passphase,
+);
+
+$keyData = <<<EOT
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: PHP Privacy v2
+Comment: https://github.com/web-of-trust/php-privacy
+
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+=xBiu
+-----END PGP PRIVATE KEY BLOCK-----
+EOT;
+$curve25519PrivateKey = OpenPGP::decryptPrivateKey(
+    $keyData,
+    $passphase,
+);
+
+$keyData = <<<EOT
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: PHP Privacy v2
+Comment: https://github.com/web-of-trust/php-privacy
+
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+=aLGb
+-----END PGP PRIVATE KEY BLOCK-----
+EOT;
+$curve4489PrivateKey = OpenPGP::decryptPrivateKey(
+    $keyData,
+    $passphase,
+);
+
+$text = <<<EOT
+Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc felis neque, interdum id iaculis ut, faucibus a ex.
+Nam quam tortor, pharetra at dignissim ut, semper nec arcu. Vivamus mollis tortor vitae urna fringilla lacinia id
+vel nunc. Ut laoreet pellentesque mattis. Curabitur viverra enim venenatis, mattis velit sed, fringilla lacus. Donec
+nulla dui, vestibulum aliquam ultrices hendrerit, euismod iaculis magna. Praesent vitae ipsum id risus feugiat
+auctor ac eget tellus.
+
+What we need from the grocery store:
+- tofu
+- vegetables
+- noodles
+EOT;
+$signedMessage = OpenPGP::signCleartext(
+    $text,
+    [
+        $rsaPrivateKey,
+        $eccPrivateKey,
+        $curve25519PrivateKey,
+        $curve4489PrivateKey,
+    ],
+);
+echo $armored = $signedMessage->armor() . PHP_EOL;
+
+echo 'Verify signed message:' . PHP_EOL . PHP_EOL;
+$verifications = OpenPGP::verify($armored, [
+    $rsaPrivateKey->toPublic(),
+    $eccPrivateKey->toPublic(),
+    $curve25519PrivateKey->toPublic(),
+    $curve4489PrivateKey->toPublic(),
+]);
+foreach ($verifications as $verification) {
+    echo "Key ID: {$verification->getKeyID(true)}" . PHP_EOL;
+    echo "Signature is verified: {$verification->isVerified()}" . PHP_EOL;
+    echo "Verification error: {$verification->getVerificationError()}" . PHP_EOL . PHP_EOL;
+}
diff --git a/src/Common/Armor.php b/src/Common/Armor.php
@@ -244,7 +244,7 @@ public static function encode(
                     Helper::EOL,
                     array_map(static fn ($hashAlgo) => "Hash: $hashAlgo", $hashAlgos)
                 ) . Helper::EOL . Helper::EOL : Helper::EOL,
-                preg_replace(self::DASH_PATTERN, '- -', $text) . Helper::EOL, // Dash-escape text
+                preg_replace(self::DASH_PATTERN, '- - ', $text) . Helper::EOL, // Dash-escape text
                 self::SIGNATURE_BEGIN,
                 self::addHeader($customComment) . Helper::EOL,
                 chunk_split(Strings::base64_encode($data), self::TRUNK_SIZE, Helper::EOL),

diff --git a/src/Message/Signature.php b/src/Message/Signature.php
@@ -21,6 +21,7 @@
 use OpenPGP\Type\{
     CleartextMessageInterface,
     KeyInterface,
+    KeyPacketInterface,
     LiteralDataInterface,
     PacketListInterface,
     SignatureInterface,
@@ -113,29 +114,37 @@ public function verify(
         $verifications = [];
         foreach ($this->packetList as $packet) {
             foreach ($verificationKeys as $key) {
-                $isVerified = false;
-                $verificationError = '';
-                $keyPacket = $key->toPublic()->getSigningKeyPacket(
-                    $packet->getIssuerKeyID()
-                );
+                $keyPacket = null;
                 try {
-                    $isVerified = $packet->verify(
-                        $keyPacket,
-                        $literalData->getSignBytes(),
-                        $time,
+                    $keyPacket = $key->toPublic()->getSigningKeyPacket(
+                        $packet->getIssuerKeyID()
                     );
                 }
                 catch (\Throwable $e) {
-                    $verificationError = $e->getMessage();
-                    Config::getLogger()->error($verificationError);
+                    Config::getLogger()->error($e->getMessage());
                 }
+                if ($keyPacket instanceof KeyPacketInterface) {
+                    $isVerified = false;
+                    $verificationError = '';
+                    try {
+                        $isVerified = $packet->verify(
+                            $keyPacket,
+                            $literalData->getSignBytes(),
+                            $time,
+                        );
+                    }
+                    catch (\Throwable $e) {
+                        $verificationError = $e->getMessage();
+                        Config::getLogger()->error($verificationError);
+                    }
 
-                $verifications[] = new Verification(
-                    $keyPacket->getKeyID(),
-                    $packet,
-                    $isVerified,
-                    $verificationError,
-                );
+                    $verifications[] = new Verification(
+                        $keyPacket->getKeyID(),
+                        $packet,
+                        $isVerified,
+                        $verificationError,
+                    );
+                }
             }
         }
         return $verifications;