2007年,我編寫了一個小型的Java應用程序,它可以數字簽名幾個不同的PDF文檔(帶有我的簽名圖像)。我一直在努力,直到大我升級到Java 8Java 8打破了我使用PKCS12的應用程序
現在我得到的錯誤:
IOException: Unable to read private key from keystore
e: java.io.IOException: unsupported PKCS12 secret value type 48
我看來,現在的Java 8 PKCS12不能存儲密鑰的條目。這對我來說是一個關鍵的應用程序。我每天使用它數百次。
我該如何解決這個問題?
下面是關鍵代碼的刪節版:
String appPath = SignPDF.class.getProtectionDomain().getCodeSource().getLocation().getPath();
String keytype = "pkcs12";
String keyfile = appPath + "DanVokt.pfx";
String keyimage = appPath + "DanVokt.png";
String keypass = "xxxxxxxxx";
KeyStore ks = KeyStore.getInstance(keytype);
ks.load(new FileInputStream(keyfile), keypass.toCharArray());
String alias = (String)ks.aliases().nextElement();
PrivateKey key = (PrivateKey)ks.getKey(alias, keypass.toCharArray());
Certificate[] chain = ks.getCertificateChain(alias);
PdfReader reader = new PdfReader(ifile);
FileOutputStream fout = new FileOutputStream(ofile);
PdfStamper stp = PdfStamper.createSignature(reader, fout, '\0');
PdfSignatureAppearance sap = stp.getSignatureAppearance();
sap.setCrypto(key, chain, null, PdfSignatureAppearance.SELF_SIGNED);
// allow only printing
stp.setEncryption(null, keypass.getBytes(), PdfWriter.ALLOW_PRINTING,
PdfWriter.STANDARD_ENCRYPTION_128);
stp.close();
這裏是一個堆棧TACE:
$ signpdf "Timelog*" 1
Processing File: "Timelog - Current Week.pdf" 1
IOException: Unable to read private key from keystore
java.io.IOException: unsupported PKCS12 secret value type 48
at sun.security.pkcs12.PKCS12KeyStore.loadSafeContents(PKCS12KeyStore.java:2197)
at sun.security.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:2025)
at java.security.KeyStore.load(KeyStore.java:1445)
at SignPDF.main(SignPDF.java:61)
這裏是版本和構建:
$ java -version
java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
嘗試使用keytool查看PKCS12(.pfx)文件:
$ keytool -list -keystore DanVokt.pfx -storepass XXXXXXXX -storetype PKCS12 -v
keytool error: java.io.IOException: unsupported PKCS12 secret value type 48
java.io.IOException: unsupported PKCS12 secret value type 48
at sun.security.pkcs12.PKCS12KeyStore.loadSafeContents(PKCS12KeyStore.java:2197)
at sun.security.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:2025)
at java.security.KeyStore.load(KeyStore.java:1445)
at sun.security.tools.keytool.Main.doCommands(Main.java:795)
at sun.security.tools.keytool.Main.run(Main.java:343)
at sun.security.tools.keytool.Main.main(Main.java:336)
請包括例外的完整堆棧跟蹤。它將幫助我們弄清楚發生了什麼。另外,請提供您用於運行代碼的JRE的Java版本/內部版本號。 –
在尋找修復程序時,只能爲此安裝較舊版本的Java。 –