Examples of PaddedBucket

freenet.support.io.PaddedBucket
Pads a bucket to the next power of 2 file size. Note that self-terminating formats do not work with AEADCryptBucket; it needs to know the real length. This pads with FileUtil.fill(), which is reasonably random but is faster than using SecureRandom, and vastly more secure than using a non-secure Random.

Examples of freenet.support.io.PaddedBucket

    
    public void checkSimple(int length, int expectedLength) throws IOException {
        ArrayBucket input = new ArrayBucket();
        BucketTools.fill(input, length);
        ArrayBucket copy = new ArrayBucket();
        PaddedBucket padded = new PaddedBucket(copy);
        BucketTools.copy(input, padded);
        assertEquals(padded.size(), input.size());
        assertEquals(copy.size(), expectedLength);
        assertTrue(BucketTools.equalBuckets(input, padded));
        InputStream aIn = input.getInputStream();
        InputStream bIn = copy.getInputStream();
        assertTrue(FileUtil.equalStreams(aIn, bIn, length));

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Examples of freenet.support.io.PaddedBucket

            byte[] key = node.getPluginStoreKey(storeIdentifier);
            if(key != null) {
                // We pad then encrypt, which is wasteful, but we have no way to persist the size.
                // Unfortunately AEADCryptBucket needs to know the real termination point.
                bucket = new AEADCryptBucket(bucket, key);
                bucket = new PaddedBucket(bucket);
            }
        }
        return bucket;
    }

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Examples of freenet.support.io.PaddedBucket

            byte[] key = node.getPluginStoreKey(storeIdentifier);
            if(key != null) {
                // We pad then encrypt, which is wasteful, but we have no way to persist the size.
                // Unfortunately AEADCryptBucket needs to know the real termination point.
                bucket = new AEADCryptBucket(bucket, key);
                bucket = new PaddedBucket(bucket, bucket.size());
            }
        }
        return bucket;
    }

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