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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.symkey;
import org.mozilla.jss.pkcs11.PK11SymKey;
/**
* This object contains the OS independent interfaces.
*/
public class SessionKey {
static boolean tryLoad(String filename) {
try {
System.load(filename);
} catch (Exception e) {
return false;
} catch (UnsatisfiedLinkError e) {
return false;
}
return true;
}
// Load native library
static {
boolean mNativeLibrariesLoaded = false;
String os = System.getProperty("os.name");
if ((os.equals("Linux"))) {
// Check for 64-bit library availability
// prior to 32-bit library availability.
mNativeLibrariesLoaded =
tryLoad("/usr/lib64/symkey/libsymkey.so");
if (mNativeLibrariesLoaded) {
System.out.println("64-bit symkey library loaded");
} else {
// REMINDER: May be trying to run a 32-bit app
// on 64-bit platform.
mNativeLibrariesLoaded =
tryLoad("/usr/lib/symkey/libsymkey.so");
if (mNativeLibrariesLoaded) {
System.out.println("32-bit symkey library loaded");
} else {
System.out.println("FAILED loading symkey library!");
System.exit(-1);
}
}
} else {
try {
System.loadLibrary("symkey");
System.out.println("symkey library loaded");
mNativeLibrariesLoaded = true;
} catch (Throwable t) {
// This is bad news, the program is doomed at this point
t.printStackTrace();
}
}
}
// external calls from RA
public static native byte[] ComputeKeyCheck(PK11SymKey desKey); /* byte data[] ); */
public static native byte[] ComputeSessionKey(String tokenName,
String keyName,
byte[] card_challenge,
byte[] host_challenge,
byte[] keyInfo,
byte nistSP800_108KdfOnKeyVersion, // AC: KDF SPEC CHANGE
boolean nistSP800_108KdfUseCuidAsKdd, // AC: KDF SPEC CHANGE
byte[] CUID,
byte[] KDD, // AC: KDF SPEC CHANGE
byte[] macKeyArray,
String useSoftToken,
String keySet,
String sharedSecretKeyName);
public static native byte[] ComputeEncSessionKey(String tokenName,
String keyName,
byte[] card_challenge,
byte[] host_challenge,
byte[] keyInfo,
byte nistSP800_108KdfOnKeyVersion, // AC: KDF SPEC CHANGE
boolean nistSP800_108KdfUseCuidAsKdd, // AC: KDF SPEC CHANGE
byte[] CUID,
byte[] KDD, // AC: KDF SPEC CHANGE
byte[] encKeyArray,
String useSoftToken,
String keySet);
/* AC: KDF SPEC CHANGE; unused method with no JNI implementation
public static native PK11SymKey ComputeKekSessionKey(String tokenName,
String keyName,
byte[] card_challenge,
byte[] host_challenge,
byte[] keyInfo,
byte[] CUID,
byte[] kekKeyArray,
String useSoftToken,
String keySet);
*/
public static native PK11SymKey ComputeKekKey(String tokenName,
String keyName,
byte[] card_challenge,
byte[] host_challenge,
byte[] keyInfo,
byte nistSP800_108KdfOnKeyVersion, // AC: KDF SPEC CHANGE
boolean nistSP800_108KdfUseCuidAsKdd, // AC: KDF SPEC CHANGE
byte[] CUID,
byte[] KDD, // AC: KDF SPEC CHANGE
byte[] kekKeyArray,
String useSoftToken, String keySet);
public static native byte[] ECBencrypt(PK11SymKey key,
PK11SymKey desKey); //byte[] data );
public static native PK11SymKey GenerateSymkey(String tokenName);
/*
* DRM_SUPPORT_DEBUG
*/
// public static native PK11SymKey bytes2PK11SymKey( byte[] symKeyBytes );
public static native byte[] ComputeCryptogram(String tokenName,
String keyName,
byte[] card_challenge,
byte[] host_challenge,
byte[] keyInfo,
byte nistSP800_108KdfOnKeyVersion, // AC: KDF SPEC CHANGE
boolean nistSP800_108KdfUseCuidAsKdd, // AC: KDF SPEC CHANGE
byte[] CUID,
byte[] KDD, // AC: KDF SPEC CHANGE
int type,
byte[] authKeyArray,
String useSoftToken, String keySet);
public static native byte[] EncryptData(String tokenName,
String keyName,
byte[] in,
byte[] keyInfo,
byte nistSP800_108KdfOnKeyVersion, // AC: KDF SPEC CHANGE
boolean nistSP800_108KdfUseCuidAsKdd, // AC: KDF SPEC CHANGE
byte[] CUID,
byte[] KDD, // AC: KDF SPEC CHANGE
byte[] kekKeyArray,
String useSoftToken, String keySet);
public static native byte[] DiversifyKey(String tokenName,
String newTokenName,
String oldMasterKeyName,
String newMasterKeyName,
byte[] oldKeyInfo, // AC: KDF SPEC CHANGE
// AC: BUGFIX for key versions higher than 09: We need to specialDecode keyInfo parameters before sending them into symkey! This means the parameters must be jbyteArray's
// -- Changed parameter "jstring keyInfo" to "jbyteArray newKeyInfo"
byte[] newKeyInfo,
byte nistSP800_108KdfOnKeyVersion, // AC: KDF SPEC CHANGE
boolean nistSP800_108KdfUseCuidAsKdd, // AC: KDF SPEC CHANGE
byte[] CUIDValue,
byte[] KDD, // AC: KDF SPEC CHANGE
byte[] kekKeyArray,
String useSoftToken, String keySet);
// internal calls from config TKS keys tab
public static native String GenMasterKey(String token,
String keyName);
public static native String DeleteSymmetricKey(String token,
String keyName);
public static native String ListSymmetricKeys(String token);
// set when called from the config TKS tab to create master key
// get when called from the RA to create session key
public static native void SetDefaultPrefix(String masterPrefix);
// Functions that the TPS may use during processing to manipulate sym keys in such a way not available in JSS
// Return a names Sym Key, in this case will be the shared secret in practice.
public static native PK11SymKey GetSymKeyByName(String tokenName, String keyName);
// TKS sends over the session key(s) wrapped with shared secret. TPS now does this unwrapping and creates the session keys
// with functionality only available now in NSS. This is all to preserve exact functional parity with the current TKS.
public static native PK11SymKey UnwrapSessionKeyWithSharedSecret(String tokenName, PK11SymKey sharedSecret,
byte[] sessionKeyArray);
}
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