我試圖利用該方法獲得證書的公鑰公鑰:從獲得證書
FileInputStream fin = new FileInputStream("PathToCertificate");
CertificateFactory f = CertificateFactory.getInstance("X.509");
X509Certificate certificate = (X509Certificate)f.generateCertificate(fin);
PublicKey pk = certificate.getPublicKey();
,但我收到以下錯誤:
Exception in thread "main" java.lang.ClassCastException: sun.security.x509.X509CertImpl cannot be cast to codec.x509.X509Certificate
at sergas_testcertificates.Main.main(Main.java:54)
有誰知道這是什麼錯誤是關於?
在此先感謝
什麼類型的關鍵是它的到來? RSA?我以前看過類似的消息,但不支持密鑰。 – jglouie 2011-06-15 13:39:16
完整的堆棧跟蹤可以幫助識別問題。 – 2011-06-15 13:43:11
@jglouie是的,它是RSA。 – javi 2011-06-15 13:46:56