[英]How to get RFC822 Email ID data from certificate using java
我正在從我的USB令牌讀取證書
KeyStore ks = KeyStore.getInstance("Windows-MY");
ks.load(null, null) ;
Enumeration en = ks.aliases() ;
while (en.hasMoreElements()) {
String aliasKey = (String)en.nextElement() ;
Certificate c = ks.getCertificate(aliasKey) ;
System.out.println("---> alias : " + aliasKey) ;
if (ks.isKeyEntry(aliasKey)) {
Certificate[] chain = ks.getCertificateChain(aliasKey);
System.out.println("---> chain length: " + chain.length);
for (Certificate cert: chain) {
System.out.println(cert);
}
}
我想使用Java讀取RFC822電子郵件ID證書數據。
byte[] value = certificate.getExtensionValue("2.5.29.17");
email = new String(value, "UTF-8");
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