Generate keys with compression & release 2.2.3

crypto/key.go

@@ -439,11 +439,12 @@ func generateKey(
 	comments := ""
 
 	cfg := &packet.Config{
-		Algorithm:     packet.PubKeyAlgoRSA,
-		RSABits:       bits,
-		Time:          getKeyGenerationTimeGenerator(),
-		DefaultHash:   crypto.SHA256,
-		DefaultCipher: packet.CipherAES256,
+		Algorithm:              packet.PubKeyAlgoRSA,
+		RSABits:                bits,
+		Time:                   getKeyGenerationTimeGenerator(),
+		DefaultHash:            crypto.SHA256,
+		DefaultCipher:          packet.CipherAES256,
+		DefaultCompressionAlgo: packet.CompressionZLIB,
 	}
 
 	if keyType == "x25519" {

crypto/key_test.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/ProtonMail/go-crypto/openpgp"
 	"github.com/ProtonMail/go-crypto/openpgp/armor"
+	"github.com/ProtonMail/go-crypto/openpgp/packet"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -426,3 +427,11 @@ func TestUnlockMismatchingKey(t *testing.T) {
 		t.Fatalf("Mismatching private key was not detected")
 	}
 }
+
+func TestKeyCompression(t *testing.T) {
+	assert.Equal(
+		t,
+		[]uint8{uint8(packet.CompressionNone), uint8(packet.CompressionZLIB)},
+		keyTestEC.entity.PrimaryIdentity().SelfSignature.PreferredCompression,
+	)
+}