Kaladaran/briar
0
0
Fork 0
mirror of https://code.briarproject.org/briar/briar.git synced 2026-02-13 03:09:04 +01:00
Code Issues Projects Releases Wiki Activity

Moved stream crypto to crypto component.

Browse Source
This commit is contained in:
akwizgran
2014-12-29 19:55:05 +00:00
parent 02a485ace0
commit f316d64afa
33 changed files with 504 additions and 354 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
briar-tests/src/org/briarproject/transport/TestStreamEncrypter.java Normal file
View File

@@ -0,0 +1,44 @@
package org.briarproject.transport;
import static org.briarproject.api.transport.TransportConstants.HEADER_LENGTH;
import static org.briarproject.api.transport.TransportConstants.MAC_LENGTH;
import java.io.IOException;
import java.io.OutputStream;
import org.briarproject.api.crypto.StreamEncrypter;
import org.briarproject.util.ByteUtils;
class TestStreamEncrypter implements StreamEncrypter {
private final OutputStream out;
private final byte[] tag, frame;
private boolean writeTag = true;
TestStreamEncrypter(OutputStream out, int frameLength, byte[] tag) {
this.out = out;
this.tag = tag;
frame = new byte[frameLength];
}
public void writeFrame(byte[] payload, int payloadLength,
boolean finalFrame) throws IOException {
if(writeTag) {
out.write(tag);
writeTag = false;
}
ByteUtils.writeUint16(payloadLength, frame, 0);
if(finalFrame) frame[0] |= 0x80;
System.arraycopy(payload, 0, frame, HEADER_LENGTH, payloadLength);
for(int i = HEADER_LENGTH + payloadLength; i < frame.length; i++)
frame[i] = 0;
if(finalFrame)
out.write(frame, 0, HEADER_LENGTH + payloadLength + MAC_LENGTH);
else out.write(frame, 0, frame.length);
}
public void flush() throws IOException {
out.flush();
}
}