/** @deprecated no longer used and will be removed in the future */
@Deprecated
public static ByteRangeCapturingInputStream getEncryptedInputStream(
UploadPartRequest request, CipherFactory cipherFactory) {
try {
InputStream originalInputStream = request.getInputStream();
if (request.getFile() != null) {
originalInputStream =
new InputSubstream(
new RepeatableFileInputStream(request.getFile()),
request.getFileOffset(),
request.getPartSize(),
request.isLastPart());
}
originalInputStream = new RepeatableCipherInputStream(originalInputStream, cipherFactory);
if (request.isLastPart() == false) {
// We want to prevent the final padding from being sent on the stream...
originalInputStream =
new InputSubstream(originalInputStream, 0, request.getPartSize(), false);
}
long partSize = request.getPartSize();
int cipherBlockSize = cipherFactory.createCipher().getBlockSize();
return new ByteRangeCapturingInputStream(
originalInputStream, partSize - cipherBlockSize, partSize);
} catch (Exception e) {
throw new AmazonClientException("Unable to create cipher input stream: " + e.getMessage(), e);
}
}
/** @deprecated no longer used and will be removed in the future */
@Deprecated
public static long calculateCryptoContentLength(
Cipher symmetricCipher, UploadPartRequest request) {
long plaintextLength;
if (request.getFile() != null) {
if (request.getPartSize() > 0) plaintextLength = request.getPartSize();
else plaintextLength = request.getFile().length();
} else if (request.getInputStream() != null) {
plaintextLength = request.getPartSize();
} else {
return -1;
}
long cipherBlockSize = symmetricCipher.getBlockSize();
long offset = cipherBlockSize - (plaintextLength % cipherBlockSize);
return plaintextLength + offset;
}