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//如何在這裏放置publickeyfile.xml的路徑?如何將publickey.xml文件的路徑添加到android中的InputStream中?在哪裏把文件publickey.xml?
InputStream in =
//那得到的InputStream
ObjectInputStream oin =
new ObjectInputStream(new BufferedInputStream(in));
try {
BigInteger m = (BigInteger) oin.readObject();
BigInteger e = (BigInteger) oin.readObject();
RSAPublicKeySpec keySpec = new RSAPublicKeySpec(m, e);
KeyFactory fact = KeyFactory.getInstance("RSA");
PublicKey pubKey = fact.generatePublic(keySpec);
} catch (Exception e) {
throw new RuntimeException("Spurious serialisation error", e);
} finally {
oin.close();
}