sun.security.krb5.internal.crypto.EType Java Examples

The following examples show how to use sun.security.krb5.internal.crypto.EType. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: WeakCrypto.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    String conf = "[libdefaults]\n" +
            (args.length > 0 ? ("allow_weak_crypto = " + args[0]) : "");
    Files.write(Paths.get("krb5.conf"), conf.getBytes());
    System.setProperty("java.security.krb5.conf", "krb5.conf");

    boolean expected = args.length != 0 && args[0].equals("true");
    int[] etypes = EType.getBuiltInDefaults();

    boolean found = false;
    for (int i=0, length = etypes.length; i<length; i++) {
        if (etypes[i] == EncryptedData.ETYPE_DES_CBC_CRC ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD4 ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD5) {
            found = true;
        }
    }
    if (expected != found) {
        throw new Exception();
    }
}
Example #2
Source File: ETypeOrder.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #3
Source File: WeakCrypto.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    String conf = "[libdefaults]\n" +
            (args.length > 0 ? ("allow_weak_crypto = " + args[0]) : "");
    Files.write(Paths.get("krb5.conf"), conf.getBytes());
    System.setProperty("java.security.krb5.conf", "krb5.conf");

    boolean expected = args.length != 0 && args[0].equals("true");
    int[] etypes = EType.getBuiltInDefaults();

    boolean found = false;
    for (int i=0, length = etypes.length; i<length; i++) {
        if (etypes[i] == EncryptedData.ETYPE_DES_CBC_CRC ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD4 ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD5) {
            found = true;
        }
    }
    if (expected != found) {
        throw new Exception();
    }
}
Example #4
Source File: KrbAsRep.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #5
Source File: KrbAsRep.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #6
Source File: WeakCrypto.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    String conf = "[libdefaults]\n" +
            (args.length > 0 ? ("allow_weak_crypto = " + args[0]) : "");
    Files.write(Paths.get("krb5.conf"), conf.getBytes());
    System.setProperty("java.security.krb5.conf", "krb5.conf");

    boolean expected = args.length != 0 && args[0].equals("true");
    int[] etypes = EType.getBuiltInDefaults();

    boolean found = false;
    for (int i=0, length = etypes.length; i<length; i++) {
        if (etypes[i] == EncryptedData.ETYPE_DES_CBC_CRC ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD4 ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD5) {
            found = true;
        }
    }
    if (expected != found) {
        throw new Exception();
    }
}
Example #7
Source File: WeakCrypto.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    String conf = "[libdefaults]\n" +
            (args.length > 0 ? ("allow_weak_crypto = " + args[0]) : "");
    Files.write(Paths.get("krb5.conf"), conf.getBytes());
    System.setProperty("java.security.krb5.conf", "krb5.conf");

    boolean expected = args.length != 0 && args[0].equals("true");
    int[] etypes = EType.getBuiltInDefaults();

    boolean found = false;
    for (int i=0, length = etypes.length; i<length; i++) {
        if (etypes[i] == EncryptedData.ETYPE_DES_CBC_CRC ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD4 ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD5) {
            found = true;
        }
    }
    if (expected != found) {
        throw new Exception();
    }
}
Example #8
Source File: ETypeOrder.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #9
Source File: ETypeOrder.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #10
Source File: KrbAsRep.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #11
Source File: KrbAsReqBuilder.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #12
Source File: YesNo.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.setProperty("java.security.krb5.conf",
            System.getProperty("test.src", ".") +"/yesno.conf");
    config = Config.getInstance();
    check("a", Boolean.TRUE);
    check("b", Boolean.FALSE);
    check("c", Boolean.TRUE);
    check("d", Boolean.FALSE);
    check("e", null);
    check("f", null);

    if (!Arrays.stream(EType.getBuiltInDefaults())
            .anyMatch(n -> n < 4)) {
        throw new Exception();
    }
}
Example #13
Source File: KrbAsRep.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #14
Source File: KrbAsRep.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #15
Source File: KrbAsRep.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #16
Source File: KrbAsReqBuilder.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #17
Source File: KrbAsRep.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #18
Source File: KrbAsRep.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #19
Source File: ETypeOrder.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #20
Source File: KrbAsReqBuilder.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #21
Source File: ETypeOrder.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #22
Source File: ETypeOrder.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #23
Source File: ETypeOrder.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #24
Source File: KrbAsReqBuilder.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #25
Source File: WeakCrypto.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    String conf = "[libdefaults]\n" +
            (args.length > 0 ? ("allow_weak_crypto = " + args[0]) : "");
    Files.write(Paths.get("krb5.conf"), conf.getBytes());
    System.setProperty("java.security.krb5.conf", "krb5.conf");

    boolean expected = args.length != 0 && args[0].equals("true");
    int[] etypes = EType.getBuiltInDefaults();

    boolean found = false;
    for (int i=0, length = etypes.length; i<length; i++) {
        if (etypes[i] == EncryptedData.ETYPE_DES_CBC_CRC ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD4 ||
                etypes[i] == EncryptedData.ETYPE_DES_CBC_MD5) {
            found = true;
        }
    }
    if (expected != found) {
        throw new Exception();
    }
}
Example #26
Source File: KrbAsRep.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #27
Source File: ETypeOrder.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #28
Source File: ETypeOrder.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {

        // File does not exist, so that the system-default one won't be used
        System.setProperty("java.security.krb5.conf", "no_such_file");
        int[] etypes = EType.getBuiltInDefaults();

        // Reference order, note that 2 is not implemented in Java
        int correct[] = { 18, 17, 16, 23, 1, 3, 2 };

        int match = 0;
        loopi: for (int i=0; i<etypes.length; i++) {
            for (; match < correct.length; match++) {
                if (etypes[i] == correct[match]) {
                    System.out.println("Find " + etypes[i] + " at #" + match);
                    continue loopi;
                }
            }
            throw new Exception("No match or bad order for " + etypes[i]);
        }
    }
Example #29
Source File: W83.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        W83 x = new W83();

        // Cannot use OneKDC. kinit command cannot resolve
        // hostname kdc.rabbit.hole
        KDC kdc = new KDC(OneKDC.REALM, "127.0.0.1", 0, true);
        kdc.addPrincipal(OneKDC.USER, OneKDC.PASS);
        kdc.addPrincipalRandKey("krbtgt/" + OneKDC.REALM);
        KDC.saveConfig(OneKDC.KRB5_CONF, kdc);
        System.setProperty("java.security.krb5.conf", OneKDC.KRB5_CONF);
        Config.refresh();

        kdc.writeKtab(OneKDC.KTAB);

        KeyTab ktab = KeyTab.getInstance(OneKDC.KTAB);
        for (int etype: EType.getBuiltInDefaults()) {
            if (etype != EncryptedData.ETYPE_ARCFOUR_HMAC) {
                ktab.deleteEntries(new PrincipalName(OneKDC.USER), etype, -1);
            }
        }
        ktab.save();

        if (System.getProperty("6932525") != null) {
            // For 6932525 and 6951366, make sure the etypes sent in 2nd AS-REQ
            // is not restricted to that of preauth
            kdc.setOption(KDC.Option.ONLY_RC4_TGT, true);
        }
        if (System.getProperty("6959292") != null) {
            // For 6959292, make sure that when etype for enc-part in 2nd AS-REQ
            // is different from that of preauth, client can still decrypt it
            kdc.setOption(KDC.Option.RC4_FIRST_PREAUTH, true);
        }
        x.go();
    }
Example #30
Source File: W83.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        W83 x = new W83();

        // Cannot use OneKDC. kinit command cannot resolve
        // hostname kdc.rabbit.hole
        KDC kdc = new KDC(OneKDC.REALM, "127.0.0.1", 0, true);
        kdc.addPrincipal(OneKDC.USER, OneKDC.PASS);
        kdc.addPrincipalRandKey("krbtgt/" + OneKDC.REALM);
        KDC.saveConfig(OneKDC.KRB5_CONF, kdc);
        System.setProperty("java.security.krb5.conf", OneKDC.KRB5_CONF);
        Config.refresh();

        kdc.writeKtab(OneKDC.KTAB);

        KeyTab ktab = KeyTab.getInstance(OneKDC.KTAB);
        for (int etype: EType.getBuiltInDefaults()) {
            if (etype != EncryptedData.ETYPE_ARCFOUR_HMAC) {
                ktab.deleteEntries(new PrincipalName(OneKDC.USER), etype, -1);
            }
        }
        ktab.save();

        if (System.getProperty("6932525") != null) {
            // For 6932525 and 6951366, make sure the etypes sent in 2nd AS-REQ
            // is not restricted to that of preauth
            kdc.setOption(KDC.Option.ONLY_RC4_TGT, true);
        }
        if (System.getProperty("6959292") != null) {
            // For 6959292, make sure that when etype for enc-part in 2nd AS-REQ
            // is different from that of preauth, client can still decrypt it
            kdc.setOption(KDC.Option.RC4_FIRST_PREAUTH, true);
        }
        x.go();
    }