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Code Issues Releases Wiki Activity

SOP : Do not armor already-armored data.

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This commit is contained in:
Paul Schaub 2022-11-11 13:18:22 +01:00
parent 2d6f9738ec
commit 48005da7f3
2 changed files with 18 additions and 2 deletions
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16
pgpainless-sop/src/main/java/org/pgpainless/sop/ArmorImpl.java
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@ -11,6 +11,7 @@ import java.io.OutputStream;
import org.bouncycastle.bcpg.ArmoredOutputStream;
import org.bouncycastle.util.io.Streams;
import org.pgpainless.decryption_verification.OpenPgpInputStream;
import org.pgpainless.util.ArmoredOutputStreamFactory;
import sop.Ready;
import sop.enums.ArmorLabel;
@ -31,8 +32,21 @@ public class ArmorImpl implements Armor {
public void writeTo(OutputStream outputStream) throws IOException {
// By buffering the output stream, we can improve performance drastically
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(outputStream);
// Determine nature of the given data
OpenPgpInputStream openPgpIn = new OpenPgpInputStream(data);
openPgpIn.reset();
if (openPgpIn.isAsciiArmored()) {
// armoring already-armored data is an idempotent operation
Streams.pipeAll(openPgpIn, bufferedOutputStream);
bufferedOutputStream.flush();
openPgpIn.close();
return;
}
ArmoredOutputStream armor = ArmoredOutputStreamFactory.get(bufferedOutputStream);
Streams.pipeAll(data, armor);
Streams.pipeAll(openPgpIn, armor);
bufferedOutputStream.flush();
armor.close();
}

4
pgpainless-sop/src/test/java/org/pgpainless/sop/ArmorTest.java
View file

@ -29,7 +29,9 @@ public class ArmorTest {
@Test
public void armor() throws PGPException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IOException {
byte[] data = PGPainless.generateKeyRing().modernKeyRing("Alice").getEncoded();
byte[] knownGoodArmor = ArmorUtils.toAsciiArmoredString(data).getBytes(StandardCharsets.UTF_8);
byte[] knownGoodArmor = ArmorUtils.toAsciiArmoredString(data)
.replace("Version: PGPainless\n", "") // armor command does not add version anymore
.getBytes(StandardCharsets.UTF_8);
byte[] armored = new SOPImpl()
.armor()
.data(data)