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Code Issues Releases Wiki Activity

cleanup

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This commit is contained in:
Dominik Schürmann 2014-08-21 00:33:52 +02:00
parent d1ef355f55
commit 4c6783215f
1 changed files with 0 additions and 71 deletions
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71
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpHelper.java
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@ -29,7 +29,6 @@ import org.sufficientlysecure.keychain.util.Log;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.security.SecureRandom;
import java.util.regex.Pattern;
@ -68,76 +67,6 @@ public class PgpHelper {
}
}
// public static final class content {
// public static final int unknown = 0;
// public static final int encrypted_data = 1;
// public static final int keys = 2;
// }
//
// public static int getStreamContent(Context context, InputStream inStream) throws IOException {
//
// InputStream in = PGPUtil.getDecoderStream(inStream);
// PGPObjectFactory pgpF = new PGPObjectFactory(in);
// Object object = pgpF.nextObject();
// while (object != null) {
// if (object instanceof PGPPublicKeyRing || object instanceof PGPSecretKeyRing) {
// return Id.content.keys;
// } else if (object instanceof PGPEncryptedDataList) {
// return Id.content.encrypted_data;
// }
// object = pgpF.nextObject();
// }
//
// return Id.content.unknown;
// }
/**
* Generate a random filename
*
* @param length
* @return
*/
public static String generateRandomFilename(int length) {
SecureRandom random = new SecureRandom();
byte bytes[] = new byte[length];
random.nextBytes(bytes);
String result = "";
for (int i = 0; i < length; ++i) {
int v = (bytes[i] + 256) % 64;
if (v < 10) {
result += (char) ('0' + v);
} else if (v < 36) {
result += (char) ('A' + v - 10);
} else if (v < 62) {
result += (char) ('a' + v - 36);
} else if (v == 62) {
result += '_';
} else if (v == 63) {
result += '.';
}
}
return result;
}
/**
* Go once through stream to get length of stream. The length is later used to display progress
* when encrypting/decrypting
*
* @param in
* @return
* @throws IOException
*/
public static long getLengthOfStream(InputStream in) throws IOException {
long size = 0;
long n = 0;
byte dummy[] = new byte[0x10000];
while ((n = in.read(dummy)) > 0) {
size += n;
}
return size;
}
/**
* Deletes file securely by overwriting it with random data before deleting it.
* <p/>