encryption-symmetric

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OpenSSL Command Line and Ruby OpenSSL library differ when using same parameters to encrypt text

Note:Using OpenSSL for symmetric encryption of text. I made a Ruby script to test OpenSSL and I found I\'m getting different results.The key, iv, and ciphers are identical, so I would expect the resu[详细]

2023-04-06 10:17 分类：问答
How to resolve error while implementing DES encrypt/decrypt in asp.net?

I am trying to implement DES encryption in asp.net application from the given link: DES encrypt/开发者_开发知识库decrypt[详细]

2023-04-05 01:45 分类：问答
Is that OK to use static IV value in Rijndael encryption for many files?

I have a question about IV in Rijndael encryption. My current approach of using Rijndael is to use a pair of static Key and Iv for all encryption operations (I mean I use this pair of Key and Iv for[详细]

2023-04-02 10:56 分类：问答
AES encryption with BouncyCastle: AESEngine, AESFastEngine OR AESLightEngine?

I want to port this simple JAVA example... AES Encryption/Decryption with Bouncycastle Example in J2ME[详细]

2023-04-02 10:25 分类：问答
SQL Server 2005 create certificate with private key / encryption

Ok, here is my problem. I am doing data encryption in SQL Server 2005 using a DB Master Key, Certificate and Symmetric Key. I need to be able to restore a certificate with a private key. But when I ru[详细]

2023-04-01 04:05 分类：问答
Encrypt an Integer Value with DES

I want to encrypt an integer with DES, the resultant cipher text should also be an integer. Decryption function should follow this notion as well.[详细]

2023-03-26 09:39 分类：问答
java.security.InvalidKeyException: Key length not 128/192/256 bits

I am new to Java and was trying to use Hybrid cryptography using AES-128 Symmetric encryption and then RSA-1024 Asymmetric encryption on the generated symmetric key. Can someone help why I am getting[详细]

2023-03-18 02:17 分类：问答
Occasional Bad Data Error while decrypting the string : System.Security.Cryptography.CryptographicException

In my ASP.NET WebForms App (The app is running on windows server 2008 R2, IIS 7.5 and Runtime v4.0 Integrated Mode App Pool if it matters), I am encrypting data, putting it on the QueryString and decr[详细]

2023-03-16 17:32 分类：问答
Using Rjindael and RSA to encrypt data stored in QR code in Visual Basic .NET

I\'m wanting to e开发者_开发知识库ncrypt some data (hopefully under five hundred bytes\' worth) and store it in a QR code. Originally I wanted to use RSA, so the data would be signed with User A\'s pr[详细]

2023-03-14 15:58 分类：问答
Exchanging Symmetric Keys

I have a WinForms client that is sending encrypted data to a 开发者_高级运维web service.The WinForms client creates a Symmetric RijndaelManaged sessionKey and also has a \"hard-coded RSA asymmetric pu[详细]

2023-03-14 06:27 分类：问答