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The word "tag" was overloaded, so from now on use "tag" for the

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predefined tags in the protocol and serial components, and "IV" for
the encrypted IVs used to identify connections in the transport
component.
This commit is contained in:
akwizgran
2011-08-19 11:15:35 +02:00
parent 2411e2008b
commit 9dea4d0299
19 changed files with 239 additions and 250 deletions
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18
api/net/sf/briar/api/crypto/CryptoComponent.java
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@@ -10,31 +10,31 @@ import javax.crypto.SecretKey;
public interface CryptoComponent {
SecretKey deriveIncomingMacKey(byte[] secret);
SecretKey deriveIncomingFrameKey(byte[] secret);
SecretKey deriveIncomingTagKey(byte[] secret);
SecretKey deriveIncomingIvKey(byte[] secret);
SecretKey deriveOutgoingMacKey(byte[] secret);
SecretKey deriveIncomingMacKey(byte[] secret);
SecretKey deriveOutgoingFrameKey(byte[] secret);
SecretKey deriveOutgoingTagKey(byte[] secret);
SecretKey deriveOutgoingIvKey(byte[] secret);
SecretKey deriveOutgoingMacKey(byte[] secret);
KeyPair generateKeyPair();
SecretKey generateSecretKey();
Cipher getFrameCipher();
Cipher getIvCipher();
KeyParser getKeyParser();
Mac getMac();
MessageDigest getMessageDigest();
Cipher getFrameCipher();
Signature getSignature();
Cipher getTagCipher();
}

7
api/net/sf/briar/api/transport/ConnectionRecogniser.java
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@@ -10,8 +10,9 @@ import net.sf.briar.api.db.DbException;
public interface ConnectionRecogniser {
/**
* Returns the ID of the contact who created the tag if the connection
* should be accepted, or null if the connection should be rejected.
* Returns the ID of the contact who created the encrypted IV if the
* connection should be accepted, or null if the connection should be
* rejected.
*/
ContactId acceptConnection(byte[] tag) throws DbException;
ContactId acceptConnection(byte[] encryptedIv) throws DbException;
}

7
api/net/sf/briar/api/transport/TransportConstants.java
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@@ -7,6 +7,9 @@ public interface TransportConstants {
*/
static final int MAX_FRAME_LENGTH = 65536; // 2^16
/** The length in bytes of the tag that uniquely identifies a connection. */
static final int TAG_LENGTH = 16;
/**
* The length in bytes of the encrypted IV that uniquely identifies a
* connection.
*/
static final int IV_LENGTH = 16;
}