encryption

问题 So I'm working on a supplemental web-based system required by an HR department to store and search records of former personnel. I fought the requirement, but in the end it was handed down that the system has to both enable searching by full SSN, and retrieval of full SSN. My protestations aside, taking some steps to protect this data will actually be a huge improvement over what they are doing with it right now (you don't want to know). I have been doing a lot of research, and I think I have

问题 I am trying to encrypt a column in my prostrgres DB. The column name is "test" of type "bytea". My enity code is below, @ColumnTransformer( forColumn="test", read="pgp_sym_encrypt(test::bytea, 'mySecretKey')", write="pgp_sym_decrypt(?, 'mySecretKey')") private String test; When I tried to retrieve the entity, I am getting the encrypted data like below. How do I get the decrypted value programmatically? But I get the actual value If i execute a postgres select query. "test": "\

问题 I am trying to encrypt a column in my prostrgres DB. The column name is "test" of type "bytea". My enity code is below, @ColumnTransformer( forColumn="test", read="pgp_sym_encrypt(test::bytea, 'mySecretKey')", write="pgp_sym_decrypt(?, 'mySecretKey')") private String test; When I tried to retrieve the entity, I am getting the encrypted data like below. How do I get the decrypted value programmatically? But I get the actual value If i execute a postgres select query. "test": "\

问题 I am trying to encrypt a column in my prostrgres DB. The column name is "test" of type "bytea". My enity code is below, @ColumnTransformer( forColumn="test", read="pgp_sym_encrypt(test::bytea, 'mySecretKey')", write="pgp_sym_decrypt(?, 'mySecretKey')") private String test; When I tried to retrieve the entity, I am getting the encrypted data like below. How do I get the decrypted value programmatically? But I get the actual value If i execute a postgres select query. "test": "\

问题 I'm trying to understand Maven 3's[password encryption feature. I have found that this feature is poorly documented and confusing. For example, the feature documentation and a blog post by the author of the feature contradict each other about several points. This question is broader than How does maven --encrypt-master-password work and is not covered by Maven encrypt-master-password good practice for choosing password. Specifically, I am trying to answer the following questions which are not

问题 Is there a simple way to encrypt/decrypt a string with a key? Something like: key = '1234' string = 'hello world' encrypted_string = encrypt(key, string) decrypt(key, encrypted_string) I couldn't find anything simple to do that. 回答1: http://www.dlitz.net/software/pycrypto/ should do what you want. Taken from their docs page. >>> from Crypto.Cipher import DES >>> obj=DES.new('abcdefgh', DES.MODE_ECB) >>> plain="Guido van Rossum is a space alien." >>> len(plain) 34 >>> obj.encrypt(plain)

问题 Is there a simple way to encrypt/decrypt a string with a key? Something like: key = '1234' string = 'hello world' encrypted_string = encrypt(key, string) decrypt(key, encrypted_string) I couldn't find anything simple to do that. 回答1: http://www.dlitz.net/software/pycrypto/ should do what you want. Taken from their docs page. >>> from Crypto.Cipher import DES >>> obj=DES.new('abcdefgh', DES.MODE_ECB) >>> plain="Guido van Rossum is a space alien." >>> len(plain) 34 >>> obj.encrypt(plain)

问题 I have a login JSP which takes username / password from the user in text boxes and on submit it forwards the username/password parameters to Login Servlet using POST method. Now I am using Paros Proxy in between (as Man-In-The-Middle attack) to trap the parameters. The parameters received from JSP are captured in Paros as plain text. Is there any specific method provided by Java standard API which we can use to encrypt these parameters such a way that: Even if the parameters are captured by

问题 I have a login JSP which takes username / password from the user in text boxes and on submit it forwards the username/password parameters to Login Servlet using POST method. Now I am using Paros Proxy in between (as Man-In-The-Middle attack) to trap the parameters. The parameters received from JSP are captured in Paros as plain text. Is there any specific method provided by Java standard API which we can use to encrypt these parameters such a way that: Even if the parameters are captured by

问题 I am working in a C# application. We have common methods to store data on a file. These methods encrypt the data and store them on the file system. when we need the data, ReadData method decrypts the data and returns me plain text. This code works fine in normal cases if size of the text in small. but for a example text given below, the decryption code is throwing exception - length of the data to decrypt is invalid. The exception occurs at line // close the CryptoStream x_cryptostream.Close(