java.security.InvalidKeyException: Unable to decode key 异常通常表明在尝试使用或解析一个密钥时遇到了问题。这个问题可能由多种原因引起,下面我将根据你提供的提示,逐一分析和解答: 1. 确认异常发生上下文 首先,你需要确认这个异常是在什么上下文中发生的。是在进行加密、解密、签名还是验证签名时?了解这一点有助于你更准
这里调用cipherService.encrypt方法并且传入序列化数据,和getEncryptionCipherKey方法。 getEncryptionCipherKey从名字上来看是获取密钥的方法,查看一下,是怎么获取密钥的。 查看调用的时候,发现setCipherKey方法在构造方法里面被调用了。 查看DEFAULT_CIPHER_KEY_BYTES值会发现里面定义了一串密钥 而这个密钥是定义死的。 返回...
private static final String FILE_SEPARATOR = FileSystems.getDefault().getSeparator(); // relative to current working folder Path path = Paths.get("learning", "packt", "JavaModernChallenge.pdf"); Path path = Path.of("learning", "packt", "JavaModernChallenge.pdf"); Path path = Paths.get...
26.定时器:Unable to store job because one already exists with this identification 解决方法: You can: check if the "job key" already exists, and remove the existing job before creating a new one: scheduler.deleteJob(job1Key); or create a new job with another key (in your case, each ti...
10. <prop key="add*">PROPAGATION_REQUIRED</prop> 11. <prop key="update*">PROPAGATION_REQUIRED</prop> 12. <prop key="reset*">PROPAGATION_REQUIRED</prop> 13. <prop key="delete*">PROPAGATION_REQUIRED</prop> 14. <prop key="del*">PROPAGATION_REQUIRED</prop> ...
MychainSdkException: unable to read encrypted data: 1.2.840.113549.1.12.1.3 not available: Illegal key size or default parameters解决方案 出现此错误的原因是个别JDK的默认配置限制了key的长度,因此SDK在加载key文件时解密失败。 可在DemoSample.java中main函数最开始位置,增加一段代码来进行处理,如下所示。
thrownew RuntimeException("Unable to generate DES key.", e); } keyGenerator.init(56);//这里必须填56 SecretKey secretKey = keyGenerator.generateKey(); return secretKey; } /** * 使用默认密钥对字节数组进行加密,返回加密后的字节数组 */ ...
JavaPairRDD<String, Integer> counts = pairs.reduceByKey((Function2<Integer, Integer, Integer>) (a, b) -> a + b); counts.saveAsTextFile("hdfs://localhost:8020/tmp/output"); sc.stop(); return result; Java 应用程序显示以下堆栈跟踪: ...
错误1:Unable to negotiate with ::1 port 2222: no matching host key type found. Their offer: ssh-dss 解决方法:加上-oHostKeyAlgorithms=+ssh-dss PS C:\Users\farghost>sftp-oPort=2222nfms@localhost Unable to negotiate with ::1 port2222: no matchinghostkeytypefound. Their offer: ssh-dss ...
getObjectAcl(String bucketName, String key, String versionId) Gets the AccessControlList (ACL) for the specified object with the specified version in Amazon S3. String getObjectAsString(String bucketName, String key) Retrieves and decodes the contents of an S3 object to a String. GetObject...