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decrypt: skip all encountered marker packets (fix #1582)

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Vincent Breitmoser
2015-11-15 01:01:05 +01:00
parent ba2c5c3bd0
commit 529b9518c1
6 changed files with 35 additions and 13 deletions
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16
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
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@@ -48,7 +48,7 @@ import org.spongycastle.openpgp.PGPPBEEncryptedData;
import org.spongycastle.openpgp.PGPPublicKeyEncryptedData;
import org.spongycastle.openpgp.PGPSignatureList;
import org.spongycastle.openpgp.PGPUtil;
import org.spongycastle.openpgp.jcajce.JcaPGPObjectFactory;
import org.spongycastle.openpgp.jcajce.JcaSkipMarkerPGPObjectFactory;
import org.spongycastle.openpgp.operator.PBEDataDecryptorFactory;
import org.spongycastle.openpgp.operator.PGPDigestCalculatorProvider;
import org.spongycastle.openpgp.operator.jcajce.CachingDataDecryptorFactory;
@@ -281,11 +281,11 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
OpenPgpDecryptionResultBuilder decryptionResultBuilder = new OpenPgpDecryptionResultBuilder();
JcaPGPObjectFactory plainFact;
JcaSkipMarkerPGPObjectFactory plainFact;
Object dataChunk;
EncryptStreamResult esResult = null;
{ // resolve encrypted (symmetric and asymmetric) packets
JcaPGPObjectFactory pgpF = new JcaPGPObjectFactory(in);
JcaSkipMarkerPGPObjectFactory pgpF = new JcaSkipMarkerPGPObjectFactory(in);
Object obj = pgpF.nextObject();
if (obj instanceof PGPEncryptedDataList) {
@@ -312,7 +312,7 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
decryptionResultBuilder.setInsecure(true);
}
plainFact = new JcaPGPObjectFactory(esResult.cleartextStream);
plainFact = new JcaSkipMarkerPGPObjectFactory(esResult.cleartextStream);
dataChunk = plainFact.nextObject();
} else {
@@ -337,7 +337,7 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
PGPCompressedData compressedData = (PGPCompressedData) dataChunk;
JcaPGPObjectFactory fact = new JcaPGPObjectFactory(compressedData.getDataStream());
JcaSkipMarkerPGPObjectFactory fact = new JcaSkipMarkerPGPObjectFactory(compressedData.getDataStream());
dataChunk = fact.nextObject();
plainFact = fact;
}
@@ -839,7 +839,7 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
}
updateProgress(R.string.progress_processing_signature, 60, 100);
JcaPGPObjectFactory pgpFact = new JcaPGPObjectFactory(aIn);
JcaSkipMarkerPGPObjectFactory pgpFact = new JcaSkipMarkerPGPObjectFactory(aIn);
PgpSignatureChecker signatureChecker = new PgpSignatureChecker(mProviderHelper);
@@ -891,12 +891,12 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
InputStream detachedSigIn = new ByteArrayInputStream(input.getDetachedSignature());
detachedSigIn = PGPUtil.getDecoderStream(detachedSigIn);
JcaPGPObjectFactory pgpFact = new JcaPGPObjectFactory(detachedSigIn);
JcaSkipMarkerPGPObjectFactory pgpFact = new JcaSkipMarkerPGPObjectFactory(detachedSigIn);
Object o = pgpFact.nextObject();
if (o instanceof PGPCompressedData) {
PGPCompressedData c1 = (PGPCompressedData) o;
pgpFact = new JcaPGPObjectFactory(c1.getDataStream());
pgpFact = new JcaSkipMarkerPGPObjectFactory(c1.getDataStream());
o = pgpFact.nextObject();
}