int charread = 0; reader = new InputStreamReader(new FileInputStream(fileName)); // 读入多个字符到字符数组中,charread为一次读取字符数 while ((charread = reader.read(tempchars)) != -1) { // 同样屏蔽掉\r不显示 if ((charread == tempchars.length) && (tempchars[tempchars.length - 1...
下面是一个完整的示例,展示了如何使用Java密钥库读取私钥: importjava.io.FileInputStream;importjava.security.KeyStore;importjava.security.PrivateKey;publicclassReadPrivateKeyExample{publicstaticvoidmain(String[]args)throwsException{// 创建KeyStore对象KeyStorekeyStore=KeyStore.getInstance("JKS");// 加载密钥...
privateKeyInputStream.read(privateKeyBytes);// 根据 PEM 格式的私钥字节数组构建私钥对象StringprivateKeyPEM=newString(privateKeyBytes); privateKeyPEM = privateKeyPEM.replace("---BEGIN PRIVATE KEY---",""); privateKeyPEM = privateKeyPEM.replace("---END PRIVATE KEY---",""); privateKeyPEM = ...
分别。public PrivateKey getPemPrivateKey(String filename, String algorithm) throws Exception { File f = new File(filename);FileInputStream fis = new FileInputStream(f);DataInputStream dis = new DataInputStream(fis);byte[] keyBytes = new byte[(int) f.length()];dis.readFully...
()); pemParser.close(); return privateKey; } public static void main(String[] args) { try { PrivateKey privateKey = readPrivateKey("path/to/your/private_key.pem"); System.out.println("Successfully read private key: " + privateKey.toString()); } catch (Exception e) { e.print...
if (ps.pemType == PEM_RSA_PRIVATE_KEY){SimpleDERReader dr = new SimpleDERReader(ps.data);byte[] seq = dr.readSequenceAsByteArray();if (dr.available() != 0)throw new IOException("Padding in RSA PRIVATE KEY DER stream.");dr.resetInput(seq);BigInteger version = dr.readInt();if (...
static { try { File privateKey = ResourceUtils.getFile(CONFIG_PATH_PREFIX + "private_key"); PRIVATE_KEY = FileUtils.readFileToString(privateKey); } catch (Exception e) { System.out.println("资源读取错误"); } } }
String keyAlias = null;if (enumas.hasMoreElements())// we are readin just one certificate.{ keyAlias = (String)enumas.nextElement();System.out.println("alias=[" + keyAlias + "]");} // Now once we know the alias, we could get the keys.System.out.println("is key ...
*/publicPrivateKeygetPrivateKeyByFile(StringkeyPath)throwsException{FileInputStreamfis=newFileInputStream(keyPath);ByteArrayOutputStreambos=newByteArrayOutputStream();byte[]buffer=newbyte[1024];intlen=0;while((len=fis.read(buffer))>0){bos.write(buffer,0,len);}byte[]prks=Base64.getDecoder().dec...
我最终使用的解决方案是将密钥转换为PEM格式，并使用以下方法：