public StorageKey createStorageKey()
throws ClassCastException, ClassNotFoundException, InstantiationException,
IllegalAccessException, TrustedComputingException {
KeyManager km = getKeyManager();
StorageRootKey srk = km.loadStorageRootKey(Secret.WELL_KNOWN_SECRET);
StorageKey storageKey =
km.createStorageKey(srk, Secret.WELL_KNOWN_SECRET, null, false, false, false, null);
km.storeTPMKey(srk, storageKey, storageKey.getUUID());
return storageKey;
}
public TPMKey findKeyByUUID(UUID uuid)
throws TrustedComputingException, ClassCastException, ClassNotFoundException,
InstantiationException, IllegalAccessException, InvalidInputException {
KeyManager km = getKeyManager();
UUID[] keys = km.getStoredTPMKeys();
StorageRootKey srk = km.loadStorageRootKey(Secret.WELL_KNOWN_SECRET);
for (UUID u : keys) {
// System.out.print("Does key : " + uuid + " match with " + u.toString());
if (u.equals(uuid)) {
// System.out.println("... yes.");
TPMKey key = km.loadTPMKey(srk, u, Secret.WELL_KNOWN_SECRET);
closeContext();
return key;
} else {
// System.out.println("... no.");
}
}
throw new InvalidInputException("Key with this UUID: " + uuid.toString() + " not found");
}
public SigningKey createSigningKey()
throws ClassCastException, ClassNotFoundException, InstantiationException,
IllegalAccessException, TrustedComputingException {
KeyManager km = getKeyManager();
StorageRootKey srk = km.loadStorageRootKey(Secret.WELL_KNOWN_SECRET);
SigningKey signingKey =
km.createSigningKey(srk, Secret.WELL_KNOWN_SECRET, null, false, false, false, 1024, null);
km.storeTPMKey(srk, signingKey, signingKey.getUUID());
return signingKey;
// Signer signer = context.getSigner();
// byte[] data = "Hello World".getBytes();
// byte[] signedData = signer.sign(data, signingKey);
// if ( signer.validate(signedData, data, signingKey.getPublicKey()) ) {
// System.out.println("Validated signed data");
// } else {
// System.out.println("Failed to validate signed data");
// }
// context.close();
}