mirror of
https://github.com/moparisthebest/Conversations
synced 2024-11-24 09:42:17 -05:00
Merge pull request #2233 from SamWhited/scram-sha-2
Add SCRAM-SHA-2 support
This commit is contained in:
Daniel Gultsch
GitHub
commit
ac2eee8e81
@ -0,0 +1,228 @@
|
||||
package eu.siacs.conversations.crypto.sasl;
|
||||
|
||||
import android.annotation.TargetApi;
|
||||
import android.os.Build;
|
||||
import android.util.Base64;
|
||||
import android.util.LruCache;
|
||||
|
||||
import org.bouncycastle.crypto.Digest;
|
||||
import org.bouncycastle.crypto.macs.HMac;
|
||||
import org.bouncycastle.crypto.params.KeyParameter;
|
||||
|
||||
import java.math.BigInteger;
|
||||
import java.nio.charset.Charset;
|
||||
import java.security.InvalidKeyException;
|
||||
import java.security.SecureRandom;
|
||||
|
||||
import eu.siacs.conversations.entities.Account;
|
||||
import eu.siacs.conversations.utils.CryptoHelper;
|
||||
import eu.siacs.conversations.xml.TagWriter;
|
||||
|
||||
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
|
||||
abstract class ScramMechanism extends SaslMechanism {
|
||||
// TODO: When channel binding (SCRAM-SHA1-PLUS) is supported in future, generalize this to indicate support and/or usage.
|
||||
private final static String GS2_HEADER = "n,,";
|
||||
private String clientFirstMessageBare;
|
||||
private final String clientNonce;
|
||||
private byte[] serverSignature = null;
|
||||
static HMac HMAC;
|
||||
static Digest DIGEST;
|
||||
private static final byte[] CLIENT_KEY_BYTES = "Client Key".getBytes();
|
||||
private static final byte[] SERVER_KEY_BYTES = "Server Key".getBytes();
|
||||
|
||||
private static class KeyPair {
|
||||
final byte[] clientKey;
|
||||
final byte[] serverKey;
|
||||
|
||||
KeyPair(final byte[] clientKey, final byte[] serverKey) {
|
||||
this.clientKey = clientKey;
|
||||
this.serverKey = serverKey;
|
||||
}
|
||||
}
|
||||
|
||||
static {
|
||||
CACHE = new LruCache<String, KeyPair>(10) {
|
||||
protected KeyPair create(final String k) {
|
||||
// Map keys are "bytesToHex(JID),bytesToHex(password),bytesToHex(salt),iterations".
|
||||
// Changing any of these values forces a cache miss. `CryptoHelper.bytesToHex()'
|
||||
// is applied to prevent commas in the strings breaking things.
|
||||
final String[] kparts = k.split(",", 4);
|
||||
try {
|
||||
final byte[] saltedPassword, serverKey, clientKey;
|
||||
saltedPassword = hi(CryptoHelper.hexToString(kparts[1]).getBytes(),
|
||||
Base64.decode(CryptoHelper.hexToString(kparts[2]), Base64.DEFAULT), Integer.valueOf(kparts[3]));
|
||||
serverKey = hmac(saltedPassword, SERVER_KEY_BYTES);
|
||||
clientKey = hmac(saltedPassword, CLIENT_KEY_BYTES);
|
||||
|
||||
return new KeyPair(clientKey, serverKey);
|
||||
} catch (final InvalidKeyException | NumberFormatException e) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
private static final LruCache<String, KeyPair> CACHE;
|
||||
|
||||
protected State state = State.INITIAL;
|
||||
|
||||
ScramMechanism(final TagWriter tagWriter, final Account account, final SecureRandom rng) {
|
||||
super(tagWriter, account, rng);
|
||||
|
||||
// This nonce should be different for each authentication attempt.
|
||||
clientNonce = new BigInteger(100, this.rng).toString(32);
|
||||
clientFirstMessageBare = "";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getClientFirstMessage() {
|
||||
if (clientFirstMessageBare.isEmpty() && state == State.INITIAL) {
|
||||
clientFirstMessageBare = "n=" + CryptoHelper.saslEscape(CryptoHelper.saslPrep(account.getUsername())) +
|
||||
",r=" + this.clientNonce;
|
||||
state = State.AUTH_TEXT_SENT;
|
||||
}
|
||||
return Base64.encodeToString(
|
||||
(GS2_HEADER + clientFirstMessageBare).getBytes(Charset.defaultCharset()),
|
||||
Base64.NO_WRAP);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getResponse(final String challenge) throws AuthenticationException {
|
||||
switch (state) {
|
||||
case AUTH_TEXT_SENT:
|
||||
if (challenge == null) {
|
||||
throw new AuthenticationException("challenge can not be null");
|
||||
}
|
||||
byte[] serverFirstMessage = Base64.decode(challenge, Base64.DEFAULT);
|
||||
final Tokenizer tokenizer = new Tokenizer(serverFirstMessage);
|
||||
String nonce = "";
|
||||
int iterationCount = -1;
|
||||
String salt = "";
|
||||
for (final String token : tokenizer) {
|
||||
if (token.charAt(1) == '=') {
|
||||
switch (token.charAt(0)) {
|
||||
case 'i':
|
||||
try {
|
||||
iterationCount = Integer.parseInt(token.substring(2));
|
||||
} catch (final NumberFormatException e) {
|
||||
throw new AuthenticationException(e);
|
||||
}
|
||||
break;
|
||||
case 's':
|
||||
salt = token.substring(2);
|
||||
break;
|
||||
case 'r':
|
||||
nonce = token.substring(2);
|
||||
break;
|
||||
case 'm':
|
||||
/*
|
||||
* RFC 5802:
|
||||
* m: This attribute is reserved for future extensibility. In this
|
||||
* version of SCRAM, its presence in a client or a server message
|
||||
* MUST cause authentication failure when the attribute is parsed by
|
||||
* the other end.
|
||||
*/
|
||||
throw new AuthenticationException("Server sent reserved token: `m'");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (iterationCount < 0) {
|
||||
throw new AuthenticationException("Server did not send iteration count");
|
||||
}
|
||||
if (nonce.isEmpty() || !nonce.startsWith(clientNonce)) {
|
||||
throw new AuthenticationException("Server nonce does not contain client nonce: " + nonce);
|
||||
}
|
||||
if (salt.isEmpty()) {
|
||||
throw new AuthenticationException("Server sent empty salt");
|
||||
}
|
||||
|
||||
final String clientFinalMessageWithoutProof = "c=" + Base64.encodeToString(
|
||||
GS2_HEADER.getBytes(), Base64.NO_WRAP) + ",r=" + nonce;
|
||||
final byte[] authMessage = (clientFirstMessageBare + ',' + new String(serverFirstMessage) + ','
|
||||
+ clientFinalMessageWithoutProof).getBytes();
|
||||
|
||||
// Map keys are "bytesToHex(JID),bytesToHex(password),bytesToHex(salt),iterations".
|
||||
final KeyPair keys = CACHE.get(
|
||||
CryptoHelper.bytesToHex(account.getJid().toBareJid().toString().getBytes()) + ","
|
||||
+ CryptoHelper.bytesToHex(account.getPassword().getBytes()) + ","
|
||||
+ CryptoHelper.bytesToHex(salt.getBytes()) + ","
|
||||
+ String.valueOf(iterationCount)
|
||||
);
|
||||
if (keys == null) {
|
||||
throw new AuthenticationException("Invalid keys generated");
|
||||
}
|
||||
final byte[] clientSignature;
|
||||
try {
|
||||
serverSignature = hmac(keys.serverKey, authMessage);
|
||||
final byte[] storedKey = digest(keys.clientKey);
|
||||
|
||||
clientSignature = hmac(storedKey, authMessage);
|
||||
|
||||
} catch (final InvalidKeyException e) {
|
||||
throw new AuthenticationException(e);
|
||||
}
|
||||
|
||||
final byte[] clientProof = new byte[keys.clientKey.length];
|
||||
|
||||
for (int i = 0; i < clientProof.length; i++) {
|
||||
clientProof[i] = (byte) (keys.clientKey[i] ^ clientSignature[i]);
|
||||
}
|
||||
|
||||
|
||||
final String clientFinalMessage = clientFinalMessageWithoutProof + ",p=" +
|
||||
Base64.encodeToString(clientProof, Base64.NO_WRAP);
|
||||
state = State.RESPONSE_SENT;
|
||||
return Base64.encodeToString(clientFinalMessage.getBytes(), Base64.NO_WRAP);
|
||||
case RESPONSE_SENT:
|
||||
try {
|
||||
final String clientCalculatedServerFinalMessage = "v=" +
|
||||
Base64.encodeToString(serverSignature, Base64.NO_WRAP);
|
||||
if (!clientCalculatedServerFinalMessage.equals(new String(Base64.decode(challenge, Base64.DEFAULT)))) {
|
||||
throw new Exception();
|
||||
}
|
||||
state = State.VALID_SERVER_RESPONSE;
|
||||
return "";
|
||||
} catch(Exception e) {
|
||||
throw new AuthenticationException("Server final message does not match calculated final message");
|
||||
}
|
||||
default:
|
||||
throw new InvalidStateException(state);
|
||||
}
|
||||
}
|
||||
|
||||
private static synchronized byte[] hmac(final byte[] key, final byte[] input)
|
||||
throws InvalidKeyException {
|
||||
HMAC.init(new KeyParameter(key));
|
||||
HMAC.update(input, 0, input.length);
|
||||
final byte[] out = new byte[HMAC.getMacSize()];
|
||||
HMAC.doFinal(out, 0);
|
||||
return out;
|
||||
}
|
||||
|
||||
public static synchronized byte[] digest(byte[] bytes) {
|
||||
DIGEST.reset();
|
||||
DIGEST.update(bytes, 0, bytes.length);
|
||||
final byte[] out = new byte[DIGEST.getDigestSize()];
|
||||
DIGEST.doFinal(out, 0);
|
||||
return out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Hi() is, essentially, PBKDF2 [RFC2898] with HMAC() as the
|
||||
* pseudorandom function (PRF) and with dkLen == output length of
|
||||
* HMAC() == output length of H().
|
||||
*/
|
||||
private static synchronized byte[] hi(final byte[] key, final byte[] salt, final int iterations)
|
||||
throws InvalidKeyException {
|
||||
byte[] u = hmac(key, CryptoHelper.concatenateByteArrays(salt, CryptoHelper.ONE));
|
||||
byte[] out = u.clone();
|
||||
for (int i = 1; i < iterations; i++) {
|
||||
u = hmac(key, u);
|
||||
for (int j = 0; j < u.length; j++) {
|
||||
out[j] ^= u[j];
|
||||
}
|
||||
}
|
||||
return out;
|
||||
}
|
||||
}
|
||||
@ -1,77 +1,21 @@
|
||||
package eu.siacs.conversations.crypto.sasl;
|
||||
|
||||
import android.util.Base64;
|
||||
import android.util.LruCache;
|
||||
|
||||
import org.bouncycastle.crypto.Digest;
|
||||
import org.bouncycastle.crypto.digests.SHA1Digest;
|
||||
import org.bouncycastle.crypto.macs.HMac;
|
||||
import org.bouncycastle.crypto.params.KeyParameter;
|
||||
|
||||
import java.math.BigInteger;
|
||||
import java.nio.charset.Charset;
|
||||
import java.security.InvalidKeyException;
|
||||
import java.security.SecureRandom;
|
||||
|
||||
import eu.siacs.conversations.entities.Account;
|
||||
import eu.siacs.conversations.utils.CryptoHelper;
|
||||
import eu.siacs.conversations.xml.TagWriter;
|
||||
|
||||
public class ScramSha1 extends SaslMechanism {
|
||||
// TODO: When channel binding (SCRAM-SHA1-PLUS) is supported in future, generalize this to indicate support and/or usage.
|
||||
final private static String GS2_HEADER = "n,,";
|
||||
private String clientFirstMessageBare;
|
||||
final private String clientNonce;
|
||||
private byte[] serverSignature = null;
|
||||
private static HMac HMAC;
|
||||
private static Digest DIGEST;
|
||||
private static final byte[] CLIENT_KEY_BYTES = "Client Key".getBytes();
|
||||
private static final byte[] SERVER_KEY_BYTES = "Server Key".getBytes();
|
||||
|
||||
public static class KeyPair {
|
||||
final public byte[] clientKey;
|
||||
final public byte[] serverKey;
|
||||
|
||||
public KeyPair(final byte[] clientKey, final byte[] serverKey) {
|
||||
this.clientKey = clientKey;
|
||||
this.serverKey = serverKey;
|
||||
}
|
||||
}
|
||||
|
||||
private static final LruCache<String, KeyPair> CACHE;
|
||||
|
||||
public class ScramSha1 extends ScramMechanism {
|
||||
static {
|
||||
DIGEST = new SHA1Digest();
|
||||
HMAC = new HMac(new SHA1Digest());
|
||||
CACHE = new LruCache<String, KeyPair>(10) {
|
||||
protected KeyPair create(final String k) {
|
||||
// Map keys are "bytesToHex(JID),bytesToHex(password),bytesToHex(salt),iterations".
|
||||
// Changing any of these values forces a cache miss. `CryptoHelper.bytesToHex()'
|
||||
// is applied to prevent commas in the strings breaking things.
|
||||
final String[] kparts = k.split(",", 4);
|
||||
try {
|
||||
final byte[] saltedPassword, serverKey, clientKey;
|
||||
saltedPassword = hi(CryptoHelper.hexToString(kparts[1]).getBytes(),
|
||||
Base64.decode(CryptoHelper.hexToString(kparts[2]), Base64.DEFAULT), Integer.valueOf(kparts[3]));
|
||||
serverKey = hmac(saltedPassword, SERVER_KEY_BYTES);
|
||||
clientKey = hmac(saltedPassword, CLIENT_KEY_BYTES);
|
||||
|
||||
return new KeyPair(clientKey, serverKey);
|
||||
} catch (final InvalidKeyException | NumberFormatException e) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
private State state = State.INITIAL;
|
||||
|
||||
public ScramSha1(final TagWriter tagWriter, final Account account, final SecureRandom rng) {
|
||||
super(tagWriter, account, rng);
|
||||
|
||||
// This nonce should be different for each authentication attempt.
|
||||
clientNonce = new BigInteger(100, this.rng).toString(32);
|
||||
clientFirstMessageBare = "";
|
||||
}
|
||||
|
||||
@Override
|
||||
@ -83,156 +27,4 @@ public class ScramSha1 extends SaslMechanism {
|
||||
public String getMechanism() {
|
||||
return "SCRAM-SHA-1";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getClientFirstMessage() {
|
||||
if (clientFirstMessageBare.isEmpty() && state == State.INITIAL) {
|
||||
clientFirstMessageBare = "n=" + CryptoHelper.saslEscape(CryptoHelper.saslPrep(account.getUsername())) +
|
||||
",r=" + this.clientNonce;
|
||||
state = State.AUTH_TEXT_SENT;
|
||||
}
|
||||
return Base64.encodeToString(
|
||||
(GS2_HEADER + clientFirstMessageBare).getBytes(Charset.defaultCharset()),
|
||||
Base64.NO_WRAP);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getResponse(final String challenge) throws AuthenticationException {
|
||||
switch (state) {
|
||||
case AUTH_TEXT_SENT:
|
||||
if (challenge == null) {
|
||||
throw new AuthenticationException("challenge can not be null");
|
||||
}
|
||||
byte[] serverFirstMessage = Base64.decode(challenge, Base64.DEFAULT);
|
||||
final Tokenizer tokenizer = new Tokenizer(serverFirstMessage);
|
||||
String nonce = "";
|
||||
int iterationCount = -1;
|
||||
String salt = "";
|
||||
for (final String token : tokenizer) {
|
||||
if (token.charAt(1) == '=') {
|
||||
switch (token.charAt(0)) {
|
||||
case 'i':
|
||||
try {
|
||||
iterationCount = Integer.parseInt(token.substring(2));
|
||||
} catch (final NumberFormatException e) {
|
||||
throw new AuthenticationException(e);
|
||||
}
|
||||
break;
|
||||
case 's':
|
||||
salt = token.substring(2);
|
||||
break;
|
||||
case 'r':
|
||||
nonce = token.substring(2);
|
||||
break;
|
||||
case 'm':
|
||||
/*
|
||||
* RFC 5802:
|
||||
* m: This attribute is reserved for future extensibility. In this
|
||||
* version of SCRAM, its presence in a client or a server message
|
||||
* MUST cause authentication failure when the attribute is parsed by
|
||||
* the other end.
|
||||
*/
|
||||
throw new AuthenticationException("Server sent reserved token: `m'");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (iterationCount < 0) {
|
||||
throw new AuthenticationException("Server did not send iteration count");
|
||||
}
|
||||
if (nonce.isEmpty() || !nonce.startsWith(clientNonce)) {
|
||||
throw new AuthenticationException("Server nonce does not contain client nonce: " + nonce);
|
||||
}
|
||||
if (salt.isEmpty()) {
|
||||
throw new AuthenticationException("Server sent empty salt");
|
||||
}
|
||||
|
||||
final String clientFinalMessageWithoutProof = "c=" + Base64.encodeToString(
|
||||
GS2_HEADER.getBytes(), Base64.NO_WRAP) + ",r=" + nonce;
|
||||
final byte[] authMessage = (clientFirstMessageBare + ',' + new String(serverFirstMessage) + ','
|
||||
+ clientFinalMessageWithoutProof).getBytes();
|
||||
|
||||
// Map keys are "bytesToHex(JID),bytesToHex(password),bytesToHex(salt),iterations".
|
||||
final KeyPair keys = CACHE.get(
|
||||
CryptoHelper.bytesToHex(account.getJid().toBareJid().toString().getBytes()) + ","
|
||||
+ CryptoHelper.bytesToHex(account.getPassword().getBytes()) + ","
|
||||
+ CryptoHelper.bytesToHex(salt.getBytes()) + ","
|
||||
+ String.valueOf(iterationCount)
|
||||
);
|
||||
if (keys == null) {
|
||||
throw new AuthenticationException("Invalid keys generated");
|
||||
}
|
||||
final byte[] clientSignature;
|
||||
try {
|
||||
serverSignature = hmac(keys.serverKey, authMessage);
|
||||
final byte[] storedKey = digest(keys.clientKey);
|
||||
|
||||
clientSignature = hmac(storedKey, authMessage);
|
||||
|
||||
} catch (final InvalidKeyException e) {
|
||||
throw new AuthenticationException(e);
|
||||
}
|
||||
|
||||
final byte[] clientProof = new byte[keys.clientKey.length];
|
||||
|
||||
for (int i = 0; i < clientProof.length; i++) {
|
||||
clientProof[i] = (byte) (keys.clientKey[i] ^ clientSignature[i]);
|
||||
}
|
||||
|
||||
|
||||
final String clientFinalMessage = clientFinalMessageWithoutProof + ",p=" +
|
||||
Base64.encodeToString(clientProof, Base64.NO_WRAP);
|
||||
state = State.RESPONSE_SENT;
|
||||
return Base64.encodeToString(clientFinalMessage.getBytes(), Base64.NO_WRAP);
|
||||
case RESPONSE_SENT:
|
||||
try {
|
||||
final String clientCalculatedServerFinalMessage = "v=" +
|
||||
Base64.encodeToString(serverSignature, Base64.NO_WRAP);
|
||||
if (!clientCalculatedServerFinalMessage.equals(new String(Base64.decode(challenge, Base64.DEFAULT)))) {
|
||||
throw new Exception();
|
||||
};
|
||||
state = State.VALID_SERVER_RESPONSE;
|
||||
return "";
|
||||
} catch(Exception e) {
|
||||
throw new AuthenticationException("Server final message does not match calculated final message");
|
||||
}
|
||||
default:
|
||||
throw new InvalidStateException(state);
|
||||
}
|
||||
}
|
||||
|
||||
public static synchronized byte[] hmac(final byte[] key, final byte[] input)
|
||||
throws InvalidKeyException {
|
||||
HMAC.init(new KeyParameter(key));
|
||||
HMAC.update(input, 0, input.length);
|
||||
final byte[] out = new byte[HMAC.getMacSize()];
|
||||
HMAC.doFinal(out, 0);
|
||||
return out;
|
||||
}
|
||||
|
||||
public static synchronized byte[] digest(byte[] bytes) {
|
||||
DIGEST.reset();
|
||||
DIGEST.update(bytes, 0, bytes.length);
|
||||
final byte[] out = new byte[DIGEST.getDigestSize()];
|
||||
DIGEST.doFinal(out, 0);
|
||||
return out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Hi() is, essentially, PBKDF2 [RFC2898] with HMAC() as the
|
||||
* pseudorandom function (PRF) and with dkLen == output length of
|
||||
* HMAC() == output length of H().
|
||||
*/
|
||||
private static synchronized byte[] hi(final byte[] key, final byte[] salt, final int iterations)
|
||||
throws InvalidKeyException {
|
||||
byte[] u = hmac(key, CryptoHelper.concatenateByteArrays(salt, CryptoHelper.ONE));
|
||||
byte[] out = u.clone();
|
||||
for (int i = 1; i < iterations; i++) {
|
||||
u = hmac(key, u);
|
||||
for (int j = 0; j < u.length; j++) {
|
||||
out[j] ^= u[j];
|
||||
}
|
||||
}
|
||||
return out;
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,30 @@
|
||||
package eu.siacs.conversations.crypto.sasl;
|
||||
|
||||
import org.bouncycastle.crypto.digests.SHA256Digest;
|
||||
import org.bouncycastle.crypto.macs.HMac;
|
||||
|
||||
import java.security.SecureRandom;
|
||||
|
||||
import eu.siacs.conversations.entities.Account;
|
||||
import eu.siacs.conversations.xml.TagWriter;
|
||||
|
||||
public class ScramSha256 extends ScramMechanism {
|
||||
static {
|
||||
DIGEST = new SHA256Digest();
|
||||
HMAC = new HMac(new SHA256Digest());
|
||||
}
|
||||
|
||||
public ScramSha256(final TagWriter tagWriter, final Account account, final SecureRandom rng) {
|
||||
super(tagWriter, account, rng);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getPriority() {
|
||||
return 25;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getMechanism() {
|
||||
return "SCRAM-SHA-256";
|
||||
}
|
||||
}
|
||||
@ -13,8 +13,6 @@ import android.util.Log;
|
||||
import android.util.Pair;
|
||||
import android.util.SparseArray;
|
||||
|
||||
import org.json.JSONException;
|
||||
import org.json.JSONObject;
|
||||
import org.xmlpull.v1.XmlPullParserException;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
@ -26,8 +24,8 @@ import java.net.IDN;
|
||||
import java.net.InetAddress;
|
||||
import java.net.InetSocketAddress;
|
||||
import java.net.Socket;
|
||||
import java.net.UnknownHostException;
|
||||
import java.net.URL;
|
||||
import java.net.UnknownHostException;
|
||||
import java.security.KeyManagementException;
|
||||
import java.security.NoSuchAlgorithmException;
|
||||
import java.security.Principal;
|
||||
@ -61,6 +59,7 @@ import eu.siacs.conversations.crypto.sasl.External;
|
||||
import eu.siacs.conversations.crypto.sasl.Plain;
|
||||
import eu.siacs.conversations.crypto.sasl.SaslMechanism;
|
||||
import eu.siacs.conversations.crypto.sasl.ScramSha1;
|
||||
import eu.siacs.conversations.crypto.sasl.ScramSha256;
|
||||
import eu.siacs.conversations.entities.Account;
|
||||
import eu.siacs.conversations.entities.Message;
|
||||
import eu.siacs.conversations.entities.ServiceDiscoveryResult;
|
||||
@ -855,6 +854,8 @@ public class XmppConnection implements Runnable {
|
||||
auth.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl");
|
||||
if (mechanisms.contains("EXTERNAL") && account.getPrivateKeyAlias() != null) {
|
||||
saslMechanism = new External(tagWriter, account, mXmppConnectionService.getRNG());
|
||||
} else if (mechanisms.contains("SCRAM-SHA-256")) {
|
||||
saslMechanism = new ScramSha256(tagWriter, account, mXmppConnectionService.getRNG());
|
||||
} else if (mechanisms.contains("SCRAM-SHA-1")) {
|
||||
saslMechanism = new ScramSha1(tagWriter, account, mXmppConnectionService.getRNG());
|
||||
} else if (mechanisms.contains("PLAIN")) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user