diff options
Diffstat (limited to 'src/org/thialfihar/android/apg/Apg.java')
| -rw-r--r-- | src/org/thialfihar/android/apg/Apg.java | 267 |
1 files changed, 157 insertions, 110 deletions
diff --git a/src/org/thialfihar/android/apg/Apg.java b/src/org/thialfihar/android/apg/Apg.java index 860893075..f45973af1 100644 --- a/src/org/thialfihar/android/apg/Apg.java +++ b/src/org/thialfihar/android/apg/Apg.java @@ -16,6 +16,64 @@ package org.thialfihar.android.apg; +import org.spongycastle.bcpg.ArmoredInputStream; +import org.spongycastle.bcpg.ArmoredOutputStream; +import org.spongycastle.bcpg.BCPGOutputStream; +import org.spongycastle.bcpg.CompressionAlgorithmTags; +import org.spongycastle.bcpg.HashAlgorithmTags; +import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags; +import org.spongycastle.bcpg.sig.KeyFlags; +import org.spongycastle.jce.provider.BouncyCastleProvider; +import org.spongycastle.jce.spec.ElGamalParameterSpec; +import org.spongycastle.openpgp.PGPCompressedData; +import org.spongycastle.openpgp.PGPCompressedDataGenerator; +import org.spongycastle.openpgp.PGPEncryptedData; +import org.spongycastle.openpgp.PGPEncryptedDataGenerator; +import org.spongycastle.openpgp.PGPEncryptedDataList; +import org.spongycastle.openpgp.PGPException; +import org.spongycastle.openpgp.PGPKeyPair; +import org.spongycastle.openpgp.PGPKeyRingGenerator; +import org.spongycastle.openpgp.PGPLiteralData; +import org.spongycastle.openpgp.PGPLiteralDataGenerator; +import org.spongycastle.openpgp.PGPObjectFactory; +import org.spongycastle.openpgp.PGPOnePassSignature; +import org.spongycastle.openpgp.PGPOnePassSignatureList; +import org.spongycastle.openpgp.PGPPBEEncryptedData; +import org.spongycastle.openpgp.PGPPrivateKey; +import org.spongycastle.openpgp.PGPPublicKey; +import org.spongycastle.openpgp.PGPPublicKeyEncryptedData; +import org.spongycastle.openpgp.PGPPublicKeyRing; +import org.spongycastle.openpgp.PGPSecretKey; +import org.spongycastle.openpgp.PGPSecretKeyRing; +import org.spongycastle.openpgp.PGPSignature; +import org.spongycastle.openpgp.PGPSignatureGenerator; +import org.spongycastle.openpgp.PGPSignatureList; +import org.spongycastle.openpgp.PGPSignatureSubpacketGenerator; +import org.spongycastle.openpgp.PGPSignatureSubpacketVector; +import org.spongycastle.openpgp.PGPUtil; +import org.spongycastle.openpgp.PGPV3SignatureGenerator; +import org.thialfihar.android.apg.provider.DataProvider; +import org.thialfihar.android.apg.provider.Database; +import org.thialfihar.android.apg.provider.KeyRings; +import org.thialfihar.android.apg.provider.Keys; +import org.thialfihar.android.apg.provider.UserIds; +import org.thialfihar.android.apg.ui.widget.KeyEditor; +import org.thialfihar.android.apg.ui.widget.SectionView; +import org.thialfihar.android.apg.ui.widget.UserIdEditor; +import org.thialfihar.android.apg.utils.IterableIterator; + +import android.app.Activity; +import android.content.Context; +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager.NameNotFoundException; +import android.database.Cursor; +import android.database.sqlite.SQLiteDatabase; +import android.net.Uri; +import android.os.Bundle; +import android.os.Environment; +import android.os.Message; +import android.view.ViewGroup; + import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.ByteArrayInputStream; @@ -45,64 +103,6 @@ import java.util.Map; import java.util.Vector; import java.util.regex.Pattern; -import org.bouncycastle2.bcpg.ArmoredInputStream; -import org.bouncycastle2.bcpg.ArmoredOutputStream; -import org.bouncycastle2.bcpg.BCPGOutputStream; -import org.bouncycastle2.bcpg.CompressionAlgorithmTags; -import org.bouncycastle2.bcpg.HashAlgorithmTags; -import org.bouncycastle2.bcpg.SymmetricKeyAlgorithmTags; -import org.bouncycastle2.bcpg.sig.KeyFlags; -import org.bouncycastle2.jce.provider.BouncyCastleProvider; -import org.bouncycastle2.jce.spec.ElGamalParameterSpec; -import org.bouncycastle2.openpgp.PGPCompressedData; -import org.bouncycastle2.openpgp.PGPCompressedDataGenerator; -import org.bouncycastle2.openpgp.PGPEncryptedData; -import org.bouncycastle2.openpgp.PGPEncryptedDataGenerator; -import org.bouncycastle2.openpgp.PGPEncryptedDataList; -import org.bouncycastle2.openpgp.PGPException; -import org.bouncycastle2.openpgp.PGPKeyPair; -import org.bouncycastle2.openpgp.PGPKeyRingGenerator; -import org.bouncycastle2.openpgp.PGPLiteralData; -import org.bouncycastle2.openpgp.PGPLiteralDataGenerator; -import org.bouncycastle2.openpgp.PGPObjectFactory; -import org.bouncycastle2.openpgp.PGPOnePassSignature; -import org.bouncycastle2.openpgp.PGPOnePassSignatureList; -import org.bouncycastle2.openpgp.PGPPBEEncryptedData; -import org.bouncycastle2.openpgp.PGPPrivateKey; -import org.bouncycastle2.openpgp.PGPPublicKey; -import org.bouncycastle2.openpgp.PGPPublicKeyEncryptedData; -import org.bouncycastle2.openpgp.PGPPublicKeyRing; -import org.bouncycastle2.openpgp.PGPSecretKey; -import org.bouncycastle2.openpgp.PGPSecretKeyRing; -import org.bouncycastle2.openpgp.PGPSignature; -import org.bouncycastle2.openpgp.PGPSignatureGenerator; -import org.bouncycastle2.openpgp.PGPSignatureList; -import org.bouncycastle2.openpgp.PGPSignatureSubpacketGenerator; -import org.bouncycastle2.openpgp.PGPSignatureSubpacketVector; -import org.bouncycastle2.openpgp.PGPUtil; -import org.bouncycastle2.openpgp.PGPV3SignatureGenerator; -import org.thialfihar.android.apg.provider.DataProvider; -import org.thialfihar.android.apg.provider.Database; -import org.thialfihar.android.apg.provider.KeyRings; -import org.thialfihar.android.apg.provider.Keys; -import org.thialfihar.android.apg.provider.UserIds; -import org.thialfihar.android.apg.ui.widget.KeyEditor; -import org.thialfihar.android.apg.ui.widget.SectionView; -import org.thialfihar.android.apg.ui.widget.UserIdEditor; -import org.thialfihar.android.apg.utils.IterableIterator; - -import android.app.Activity; -import android.content.Context; -import android.content.pm.PackageInfo; -import android.content.pm.PackageManager.NameNotFoundException; -import android.database.Cursor; -import android.database.sqlite.SQLiteDatabase; -import android.net.Uri; -import android.os.Bundle; -import android.os.Environment; -import android.os.Message; -import android.view.ViewGroup; - public class Apg { private static final String mApgPackageName = "org.thialfihar.android.apg"; @@ -400,7 +400,8 @@ public class Apg { throws Apg.GeneralException, NoSuchProviderException, PGPException, NoSuchAlgorithmException, SignatureException, IOException, Database.GeneralException { - progress.setProgress(R.string.progress_buildingKey, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_buildingKey, 0, 100); Security.addProvider(new BouncyCastleProvider()); @@ -461,7 +462,8 @@ public class Apg { keys.add(editor.getValue()); } - progress.setProgress(R.string.progress_preparingMasterKey, 10, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingMasterKey, 10, 100); KeyEditor keyEditor = (KeyEditor) keyEditors.getChildAt(0); int usageId = keyEditor.getUsage(); boolean canSign = (usageId == Id.choice.usage.sign_only || @@ -481,7 +483,8 @@ public class Apg { masterKey.extractPrivateKey(oldPassPhrase.toCharArray(), new BouncyCastleProvider()); - progress.setProgress(R.string.progress_certifyingMasterKey, 20, 100); + if( progress != null ) + progress.setProgress(R.string.progress_certifyingMasterKey, 20, 100); for (int i = 0; i < userIds.size(); ++i) { String userId = userIds.get(i); @@ -525,7 +528,8 @@ public class Apg { hashedPacketsGen.setKeyExpirationTime(true, numDays * 86400); } - progress.setProgress(R.string.progress_buildingMasterKeyRing, 30, 100); + if( progress != null ) + progress.setProgress(R.string.progress_buildingMasterKeyRing, 30, 100); PGPKeyRingGenerator keyGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, masterKeyPair, mainUserId, @@ -533,9 +537,11 @@ public class Apg { hashedPacketsGen.generate(), unhashedPacketsGen.generate(), new SecureRandom(), new BouncyCastleProvider().getName()); - progress.setProgress(R.string.progress_addingSubKeys, 40, 100); + if( progress != null ) + progress.setProgress(R.string.progress_addingSubKeys, 40, 100); for (int i = 1; i < keys.size(); ++i) { - progress.setProgress(40 + 50 * (i - 1)/ (keys.size() - 1), 100); + if( progress != null ) + progress.setProgress(40 + 50 * (i - 1)/ (keys.size() - 1), 100); PGPSecretKey subKey = keys.get(i); keyEditor = (KeyEditor) keyEditors.getChildAt(i); PGPPublicKey subPublicKey = subKey.getPublicKey(); @@ -584,11 +590,13 @@ public class Apg { PGPSecretKeyRing secretKeyRing = keyGen.generateSecretKeyRing(); PGPPublicKeyRing publicKeyRing = keyGen.generatePublicKeyRing(); - progress.setProgress(R.string.progress_savingKeyRing, 90, 100); + if( progress != null ) + progress.setProgress(R.string.progress_savingKeyRing, 90, 100); mDatabase.saveKeyRing(secretKeyRing); mDatabase.saveKeyRing(publicKeyRing); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); } public static Bundle importKeyRings(Activity context, int type, @@ -598,9 +606,11 @@ public class Apg { Bundle returnData = new Bundle(); if (type == Id.type.secret_key) { - progress.setProgress(R.string.progress_importingSecretKeys, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_importingSecretKeys, 0, 100); } else { - progress.setProgress(R.string.progress_importingPublicKeys, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_importingPublicKeys, 0, 100); } if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { @@ -671,7 +681,8 @@ public class Apg { } else if (retValue == Id.return_value.bad) { ++badKeys; } - progress.setProgress((int)(100 * progressIn.position() / data.getSize()), 100); + if( progress != null ) + progress.setProgress((int)(100 * progressIn.position() / data.getSize()), 100); obj = objectFactory.nextObject(); } } @@ -683,7 +694,8 @@ public class Apg { returnData.putInt("updated", oldKeys); returnData.putInt("bad", badKeys); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); return returnData; } @@ -695,9 +707,11 @@ public class Apg { Bundle returnData = new Bundle(); if (keyRingIds.size() == 1) { - progress.setProgress(R.string.progress_exportingKey, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_exportingKey, 0, 100); } else { - progress.setProgress(R.string.progress_exportingKeys, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_exportingKeys, 0, 100); } if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { @@ -707,7 +721,8 @@ public class Apg { int numKeys = 0; for (int i = 0; i < keyRingIds.size(); ++i) { - progress.setProgress(i * 100 / keyRingIds.size(), 100); + if( progress != null ) + progress.setProgress(i * 100 / keyRingIds.size(), 100); Object obj = mDatabase.getKeyRing(keyRingIds.get(i)); PGPPublicKeyRing publicKeyRing; PGPSecretKeyRing secretKeyRing; @@ -726,7 +741,8 @@ public class Apg { out.close(); returnData.putInt("exported", numKeys); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); return returnData; } @@ -1129,11 +1145,8 @@ public class Apg { if (keyRing == null) { return null; } - try { return keyRing.getPublicKey(keyId); - } catch (PGPException e) { - return null; - } + } public static Vector<Integer> getKeyRingIds(int type) { @@ -1236,14 +1249,17 @@ public class Apg { if (signaturePassPhrase == null) { throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase)); } - progress.setProgress(R.string.progress_extractingSignatureKey, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_extractingSignatureKey, 0, 100); signaturePrivateKey = signingKey.extractPrivateKey(signaturePassPhrase.toCharArray(), new BouncyCastleProvider()); if (signaturePrivateKey == null) { throw new GeneralException(context.getString(R.string.error_couldNotExtractPrivateKey)); } } - progress.setProgress(R.string.progress_preparingStreams, 5, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingStreams, 5, 100); + // encrypt and compress input file content PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(symmetricAlgorithm, true, new SecureRandom(), @@ -1265,7 +1281,8 @@ public class Apg { PGPV3SignatureGenerator signatureV3Generator = null; if (signatureKeyId != 0) { - progress.setProgress(R.string.progress_preparingSignature, 10, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingSignature, 10, 100); if (forceV3Signature) { signatureV3Generator = new PGPV3SignatureGenerator(signingKey.getPublicKey().getAlgorithm(), @@ -1306,7 +1323,9 @@ public class Apg { // file name not needed, so empty string OutputStream pOut = literalGen.open(bcpgOut, PGPLiteralData.BINARY, "", new Date(), new byte[1 << 16]); - progress.setProgress(R.string.progress_encrypting, 20, 100); + if( progress != null ) + progress.setProgress(R.string.progress_encrypting, 20, 100); + long done = 0; int n = 0; byte[] buffer = new byte[1 << 16]; @@ -1322,14 +1341,16 @@ public class Apg { } done += n; if (data.getSize() != 0) { - progress.setProgress((int) (20 + (95 - 20) * done / data.getSize()), 100); + if( progress != null ) + progress.setProgress((int) (20 + (95 - 20) * done / data.getSize()), 100); } } literalGen.close(); if (signatureKeyId != 0) { - progress.setProgress(R.string.progress_generatingSignature, 95, 100); + if( progress != null ) + progress.setProgress(R.string.progress_generatingSignature, 95, 100); if (forceV3Signature) { signatureV3Generator.generate().encode(pOut); } else { @@ -1344,7 +1365,8 @@ public class Apg { armorOut.close(); } - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); } public static void signText(Context context, @@ -1383,9 +1405,11 @@ public class Apg { if (signaturePrivateKey == null) { throw new GeneralException(context.getString(R.string.error_couldNotExtractPrivateKey)); } - progress.setProgress(R.string.progress_preparingStreams, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingStreams, 0, 100); - progress.setProgress(R.string.progress_preparingSignature, 30, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingSignature, 30, 100); PGPSignatureGenerator signatureGenerator = null; PGPV3SignatureGenerator signatureV3Generator = null; @@ -1409,7 +1433,8 @@ public class Apg { signatureGenerator.setHashedSubpackets(spGen.generate()); } - progress.setProgress(R.string.progress_signing, 40, 100); + if( progress != null ) + progress.setProgress(R.string.progress_signing, 40, 100); armorOut.beginClearText(hashAlgorithm); @@ -1452,7 +1477,8 @@ public class Apg { } armorOut.close(); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); } public static void generateSignature(Context context, @@ -1499,9 +1525,11 @@ public class Apg { if (signaturePrivateKey == null) { throw new GeneralException(context.getString(R.string.error_couldNotExtractPrivateKey)); } - progress.setProgress(R.string.progress_preparingStreams, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingStreams, 0, 100); - progress.setProgress(R.string.progress_preparingSignature, 30, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingSignature, 30, 100); PGPSignatureGenerator signatureGenerator = null; PGPV3SignatureGenerator signatureV3Generator = null; @@ -1530,7 +1558,8 @@ public class Apg { signatureGenerator.setHashedSubpackets(spGen.generate()); } - progress.setProgress(R.string.progress_signing, 40, 100); + if( progress != null ) + progress.setProgress(R.string.progress_signing, 40, 100); InputStream inStream = data.getInputStream(); if (binary) { @@ -1573,7 +1602,8 @@ public class Apg { out.close(); outStream.close(); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); } public static long getDecryptionKeyId(Context context, InputData data) @@ -1667,7 +1697,8 @@ public class Apg { long signatureKeyId = 0; int currentProgress = 0; - progress.setProgress(R.string.progress_readingData, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_readingData, currentProgress, 100); if (o instanceof PGPEncryptedDataList) { enc = (PGPEncryptedDataList) o; @@ -1702,12 +1733,14 @@ public class Apg { throw new GeneralException(context.getString(R.string.error_noSymmetricEncryptionPacket)); } - progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100); clear = pbe.getDataStream(passPhrase.toCharArray(), new BouncyCastleProvider()); encryptedData = pbe; currentProgress += 5; } else { - progress.setProgress(R.string.progress_findingKey, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_findingKey, currentProgress, 100); PGPPublicKeyEncryptedData pbe = null; PGPSecretKey secretKey = null; Iterator<?> it = enc.getEncryptedDataObjects(); @@ -1729,7 +1762,8 @@ public class Apg { } currentProgress += 5; - progress.setProgress(R.string.progress_extractingKey, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_extractingKey, currentProgress, 100); PGPPrivateKey privateKey = null; try { privateKey = secretKey.extractPrivateKey(passPhrase.toCharArray(), @@ -1741,7 +1775,8 @@ public class Apg { throw new GeneralException(context.getString(R.string.error_couldNotExtractPrivateKey)); } currentProgress += 5; - progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_preparingStreams, currentProgress, 100); clear = pbe.getDataStream(privateKey, new BouncyCastleProvider()); encryptedData = pbe; currentProgress += 5; @@ -1754,7 +1789,8 @@ public class Apg { int signatureIndex = -1; if (dataChunk instanceof PGPCompressedData) { - progress.setProgress(R.string.progress_decompressingData, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_decompressingData, currentProgress, 100); PGPObjectFactory fact = new PGPObjectFactory(((PGPCompressedData) dataChunk).getDataStream()); dataChunk = fact.nextObject(); @@ -1763,7 +1799,8 @@ public class Apg { } if (dataChunk instanceof PGPOnePassSignatureList) { - progress.setProgress(R.string.progress_processingSignature, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_processingSignature, currentProgress, 100); returnData.putBoolean(EXTRA_SIGNATURE, true); PGPOnePassSignatureList sigList = (PGPOnePassSignatureList) dataChunk; for (int i = 0; i < sigList.size(); ++i) { @@ -1800,7 +1837,8 @@ public class Apg { } if (dataChunk instanceof PGPLiteralData) { - progress.setProgress(R.string.progress_decrypting, currentProgress, 100); + if( progress != null ) + progress.setProgress(R.string.progress_decrypting, currentProgress, 100); PGPLiteralData literalData = (PGPLiteralData) dataChunk; OutputStream out = outStream; @@ -1836,11 +1874,13 @@ public class Apg { currentProgress = (int)(startProgress + (endProgress - startProgress) * (data.getStreamPosition() - startPos) / (data.getSize() - startPos)); } - progress.setProgress(currentProgress, 100); + if( progress != null ) + progress.setProgress(currentProgress, 100); } if (signature != null) { - progress.setProgress(R.string.progress_verifyingSignature, 90, 100); + if( progress != null ) + progress.setProgress(R.string.progress_verifyingSignature, 90, 100); PGPSignatureList signatureList = (PGPSignatureList) plainFact.nextObject(); PGPSignature messageSignature = signatureList.get(signatureIndex); if (signature.verify(messageSignature)) { @@ -1853,7 +1893,8 @@ public class Apg { // TODO: add integrity somewhere if (encryptedData.isIntegrityProtected()) { - progress.setProgress(R.string.progress_verifyingIntegrity, 95, 100); + if( progress != null ) + progress.setProgress(R.string.progress_verifyingIntegrity, 95, 100); if (encryptedData.verify()) { // passed } else { @@ -1863,7 +1904,8 @@ public class Apg { // no integrity check } - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); return returnData; } @@ -1876,7 +1918,8 @@ public class Apg { ByteArrayOutputStream out = new ByteArrayOutputStream(); ArmoredInputStream aIn = new ArmoredInputStream(data.getInputStream()); - progress.setProgress(R.string.progress_done, 0, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 0, 100); // mostly taken from ClearSignedFileProcessor ByteArrayOutputStream lineOut = new ByteArrayOutputStream(); @@ -1901,7 +1944,8 @@ public class Apg { returnData.putBoolean(EXTRA_SIGNATURE, true); - progress.setProgress(R.string.progress_processingSignature, 60, 100); + if( progress != null ) + progress.setProgress(R.string.progress_processingSignature, 60, 100); PGPObjectFactory pgpFact = new PGPObjectFactory(aIn); PGPSignatureList sigList = (PGPSignatureList) pgpFact.nextObject(); @@ -1948,7 +1992,8 @@ public class Apg { if (signature == null) { returnData.putBoolean(EXTRA_SIGNATURE_UNKNOWN, true); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); return returnData; } @@ -1974,7 +2019,8 @@ public class Apg { returnData.putBoolean(EXTRA_SIGNATURE_SUCCESS, signature.verify()); - progress.setProgress(R.string.progress_done, 100, 100); + if( progress != null ) + progress.setProgress(R.string.progress_done, 100, 100); return returnData; } @@ -2232,7 +2278,8 @@ public class Apg { int pos = 0; String msg = context.getString(R.string.progress_deletingSecurely, file.getName()); while (pos < length) { - progress.setProgress(msg, (int)(100 * pos / length), 100); + if( progress != null ) + progress.setProgress(msg, (int)(100 * pos / length), 100); random.nextBytes(data); raf.write(data); pos += data.length; |