Use ProtonMail/go-crypto to replace keybase/go-crypto (#33402) (#33410)

Backport #33402 by wxiaoguang

Fix #33400

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/asymkey/gpg_key_test.go

@@ -13,7 +13,8 @@ import (
 	"code.gitea.io/gitea/modules/timeutil"
 	"code.gitea.io/gitea/modules/util"
 
-	"github.com/keybase/go-crypto/openpgp/packet"
+	"github.com/ProtonMail/go-crypto/openpgp"
+	"github.com/ProtonMail/go-crypto/openpgp/packet"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -403,3 +404,25 @@ func TestTryGetKeyIDFromSignature(t *testing.T) {
 		IssuerFingerprint: []uint8{0xb, 0x23, 0x24, 0xc7, 0xe6, 0xfe, 0x4f, 0x3a, 0x6, 0x26, 0xc1, 0x21, 0x3, 0x8d, 0x1a, 0x3e, 0xad, 0xdb, 0xea, 0x9c},
 	}))
 }
+
+func TestParseGPGKey(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	assert.NoError(t, db.Insert(db.DefaultContext, &user_model.EmailAddress{UID: 1, Email: "email1@example.com", IsActivated: true}))
+
+	// create a key for test email
+	e, err := openpgp.NewEntity("name", "comment", "email1@example.com", nil)
+	assert.NoError(t, err)
+	k, err := parseGPGKey(db.DefaultContext, 1, e, true)
+	assert.NoError(t, err)
+	assert.NotEmpty(t, k.KeyID)
+	assert.NotEmpty(t, k.Emails) // the key is valid, matches the email
+
+	// then revoke the key
+	for _, id := range e.Identities {
+		id.Revocations = append(id.Revocations, &packet.Signature{RevocationReason: util.ToPointer(packet.KeyCompromised)})
+	}
+	k, err = parseGPGKey(db.DefaultContext, 1, e, true)
+	assert.NoError(t, err)
+	assert.NotEmpty(t, k.KeyID)
+	assert.Empty(t, k.Emails) // the key is revoked, matches no email
+}