Java de encryption (AES / CBC) exception on Linux: Java Lang. SecurityException: JCE cannot authenticate the provider BC method
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Java
When using MapReduce for data cleaning, you need to decrypt the data. The encryption method is AES / CBC / pkcs7padding. Because Java does not support it, you need to add dependencies. The dependencies are:
Tool class for encryption and decryption, with code attached:
When Windows develops MapReduce program, the test is OK, but an error will be reported on the Linux Cluster:
Line 10 is added by me and determined by my own document content number;
Because it is a distributed cluster, each node must have the same environment!
After completing these configurations, re execute this task. Success!
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