public static void main(String[] args) throws Exception {
byte[] iv_1 = {
(byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x11,
(byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x11,
(byte) 0x33, (byte) 0x33
};
// check that RC2 is supported by our provider
AlgorithmParameters rc2Params = AlgorithmParameters.getInstance("RC2", "SunJCE");
// check that getAlgorithm returns "RC2"
if (!rc2Params.getAlgorithm().equals("RC2")) {
throw new Exception(
"getAlgorithm() returned " + rc2Params.getAlgorithm() + " instead of RC2");
}
// test parameters with effective key size and iv
byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));
// test parameters with just iv
encoded = testParams(AlgorithmParameters.getInstance("RC2"), new RC2ParameterSpec(0, iv_1));
// test vectors in RFC 2268
runTests(tests);
}
/**
* Create a new <code>EncryptedPrivateKeyInfo</code> object from raw encrypted data and the
* parameters used for encryption.
*
* <p>The <code>encryptedData</code> array is cloned.
*
* @param params The encryption algorithm parameters.
* @param encryptedData The encrypted key data.
* @throws java.lang.IllegalArgumentException If the <code>encryptedData</code> array is empty
* (zero-length).
* @throws java.security.NoSuchAlgorithmException If the algorithm specified in the parameters is
* not supported.
* @throws java.lang.NullPointerException If <code>encryptedData</code> is null.
*/
public EncryptedPrivateKeyInfo(AlgorithmParameters params, byte[] encryptedData)
throws IllegalArgumentException, NoSuchAlgorithmException {
if (encryptedData.length == 0) {
throw new IllegalArgumentException("0-length encryptedData");
}
this.params = params;
algName = params.getAlgorithm();
algOid = getOid(algName);
this.encryptedData = (byte[]) encryptedData.clone();
}
/**
* Constructs an <code>EncryptedPrivateKeyInfo</code> from the encryption algorithm parameters and
* the encrypted data.
*
* <p>Note: the <code>encrypedData</code> is cloned when constructing this object.
*
* @param algParams the algorithm parameters for the encryption algorithm. <code>
* algParams.getEncoded()</code> should return the ASN.1 encoded bytes of the <code>parameters
* </code> field of the <code>AlgorithmIdentifer</code> component of the <code>
* EncryptedPrivateKeyInfo</code> type.
* @param encryptedData encrypted data.
* @exception NullPointerException if <code>algParams</code> or <code>encryptedData</code> is
* null.
* @exception IllegalArgumentException if <code>encryptedData</code> is empty, i.e. 0-length.
* @exception NoSuchAlgorithmException if the specified algName of the specified <code>algParams
* </code> parameter is not supported.
*/
public EncryptedPrivateKeyInfo(AlgorithmParameters algParams, byte[] encryptedData)
throws NullPointerException, IllegalArgumentException, NoSuchAlgorithmException {
if (algParams == null || encryptedData == null) {
throw new NullPointerException("parameters null");
}
org.bouncycastle.asn1.x509.AlgorithmIdentifier kAlgId = null;
try {
ByteArrayInputStream bIn = new ByteArrayInputStream(algParams.getEncoded());
ASN1InputStream dIn = new ASN1InputStream(bIn);
kAlgId =
new AlgorithmIdentifier(
new DERObjectIdentifier(algParams.getAlgorithm()), dIn.readObject());
} catch (IOException e) {
throw new IllegalArgumentException("error in encoding: " + e.toString());
}
infoObj =
new org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo(
kAlgId, (byte[]) encryptedData.clone());
algP = this.getParameters();
}