有没有办法生成适合使用Sun的keytool程序进行加密的128位密钥对?似乎http://java.sun.com/javase/6/docs/technotes/guides/security/StandardNames.html#KeyPairGenerator中的算法不支持或不允许短于512位的密钥。使用keytool生成128位密钥
密钥对将与ff一起使用。代码段:
Security.addProvider(new BouncyCastleProvider());
KeyStore keyStore = KeyStore.getInstance("PKCS12");
FileInputStream keyStoreSource = new FileInputStream("keystore");
try {
keyStore.load(keyStoreSource, "password".toCharArray());
} finally {
keyStoreSource.close();
}
String alias = (String) keyStore.aliases().nextElement();
PrivateKey privateKey = (PrivateKey) keyStore.getKey(alias, "password".toCharArray());
X509Certificate certificate = (X509Certificate) keyStore.getCertificate(alias);
CMSEnvelopedDataStreamGenerator generator = new CMSEnvelopedDataStreamGenerator();
generator.addKeyTransRecipient(certificate);
OutputStream output2 = generator.open(output, CMSEnvelopedDataGenerator.AES128_CBC, BouncyCastleProvider.PROVIDER_NAME);
try {
IOUtils.copy(input, output2);
} finally {
output2.close();
output.close();
}
其中输出是一些为OutputStream其中的加密数据将被保存,输入是一些的InputStream其中明文数据将被读取。
我一直在寻找生成测试证书的AES-128使用。那么我错了吗? – 2009-05-19 10:10:10
你能否详细解释一下你想完成的事情? – 2009-05-19 11:39:26