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我從keytool的示例頁面創建的證書基本上直:無法登錄掏SIG採用的Java /密鑰工具
密鑰工具-genkey -dname「CN =什麼,OU =什麼,O =什麼,C = US」 -alias業務-keypass kpi135 -keystore C:\ mykeystore -storepass ab987c -validity 1095
我試圖訪問該證書和使用私鑰部分文本的一部分進行數字簽名,以與第三方進行身份驗證。下面是我試圖代碼:
//Add bouncyCastle as a provider
Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
KeyStore keystore = KeyStore.getInstance("JKS");
keystore.load(new FileInputStream("C:\\mykeystore"), "ab987c".toCharArray());
Signature sig = Signature.getInstance("MD5withRSA", "BC");
PrivateKey privateKey = (PrivateKey)keystore.getKey("business", "kpi135".toCharArray()); //Exception here
sig.initSign(privateKey);
sig.update("myUID__myNonce".getBytes());
byte[] digitalSignature = sig.sign();
System.out.println("Signature Formulated: " + digitalSignature);
我得到以下異常:
java.security.InvalidKeyException: Supplied key (sun.security.provider.DSAPrivat
eKey) is not a RSAPrivateKey instance
at org.bouncycastle.jce.provider.JDKDigestSignature.engineInitSign(Unkno
wn Source)
at java.security.Signature$Delegate.engineInitSign(Signature.java:1095)
at java.security.Signature.initSign(Signature.java:480)
at MainClass.<init>(MainClass.java:15)
at MainClass.main(MainClass.java:28)
我想這是因爲我莫名其妙地產生了錯誤類型鍵的證書,但我米不知道我通過挖掘keytool頁面找到我需要的。它確實提到,創建證書我得到時,你可以使用明顯RSA -keysig但是和RSA -sigalg生成密鑰,當我嘗試這些標誌:
keytool error: java.security.NoSuchAlgorithmException: RSA Signature not availab
le
enter code here