Summary of Cocos2d-x resource encryption and decryption practices, cocos2d-x encryption and decryption
This article is Siliphen original, reproduced please indicate the source: http://blog.csdn.net/stevenkylelee
This article is aimed at the cocos2d-x 3.4 version of research.
How to implement encryption and decryption
Brief Introduction to
ASP. NET has no magic-encryption and decryption of ASP. NET Identity, and identity encryption and decryption
The previous article introduced how to use Identity in ASP. net mvc to Implement User Registration, logon, and authentication. These functions are related to user information security, and the importance of data security is always the first. For the registration and login functions, the password and
1. Overview of cryptographic algorithmsThe encryption algorithm can be divided into reversible and non-reversible encryption depending on whether the content is restored.Reversible encryption can be divided into symmetric and asymmetric encryption according to whether the same key is used for
Analysis of various encryption technologies and code samples in PHP, and php encryption code samples
Symmetric encryption (also called private key encryption) refers to the encryption algorithm that uses the same key for encryption
Comments: Common encryption algorithms include symmetric encryption algorithms, asymmetric encryption algorithms, and Hash algorithms. Symmetric encryption is an encryption algorithm that uses the same key for encryption and decry
Http://www.cnblogs.com/1-2-3/archive/2007/09/17/colloquialism-digital-certificate-part1.htmlSummaryThis series is easy to read, so you can understand the basic principles of digital signatures and how to apply them (even if you are an enterprise boss who is not computer savvy, you can read this article). Then we step into the technical details, and finally will give a B/s information system using the digital signature demo.Because the digital signature is based on asymmetric
Objective:
Recently accidentally and colleagues to exchange data security transmission problems, think of their own used RSA asymmetric encryption algorithm, idle down to sum up.
Several other encryption methods:
RSA encryption of Android data encryptionAES encryption of Android data encryptionDes
Those who know Data Encryption technology are sure to be confident in its ability to protect the security of data sources. Because of the direct effect on data, even if the data is lost or stolen in the security crisis, encryption protection can still ensure the security of the real data content.
However, the flexibility of data encryption has always been critici
This article all source code download:/files/chnking/encryptlongdata.rarI. Use of certificates combined with symmetric encryption algorithm to add and decrypt Long dataThe previous section discussed how to encrypt data using RSA certificates, which mentions: "The RSA implementation of dotnet has a characteristic that it must add some random numbers in the clear text, so the plaintext cannot fill 128 bytes, the actual test, the plaintext is up to 117 b
* * about the use of AES encryption and SHA256 encryption used in IOS development
**The author in the previous period of time on this issue with the background of the docking of people, and finally finally determine the problem is our encryption, although all for the same species, but there are essential differences. Below I briefly describe the difference and en
These days the company temporarily pulled to do Android IM instant Messaging protocol implementation, the general view of their agreement, because the previous did not participate, is said to be due to server performance restrictions, only to achieve a non-clear delivery, specific reasons I am not clear, but the encryption used here is the use of XOR or encryption. This
Digital signatures are common:
Before learning about digital signatures, you must first understand the SHA-1 digest and RSA encryption algorithm. Then, learn more about digital signatures.SHA-1 SHA-1 (secure hash algorithm) is
Data encryption algorithm.The idea of this algorithm is to receive a piece of plain text, and then convert it into a section (usually smaller) ciphertext in an irreversible way, it ca
This article is a basic article on Software encryption technology. It briefly introduces some basic knowledge about Software Encryption and some encryption products. It is suitable for domestic software developers or individual software developers to share their reference.
1. encryption technology Overview
The securi
All we need to do is to declare a column to be encrypted and the rest to be done by Oracle. When the user inserts or updates data, the column values are intercepted, encrypted, and then saved in the encrypted format. Then, when the column is queried, the value of the column is automatically decrypted, and the decrypted text (plaintext) is returned to the user. Users do not even need to know that there has been encryption and decryption--the so-called
Recently accidentally and colleagues to exchange data security transmission problems, think of their own used RSA asymmetric encryption algorithm, idle down to sum up.
What is RSA encryption?
RSA algorithm is the most popular public key cryptography algorithm, using the length can change the key. RSA is the first algorithm that can be used both for data encryption
1. Concept: Springcloudconfig Advanced Configuration2. Specific contentIn Springcloudconfig, considering the security issues that all profiles are exposed to in the remote repository, there is a handling mechanism for secure access that encrypts some data and enables decryption control when read.2.1, key encryption processingThe so-called key processing refers to setting a public operation access password, and then through the Curl command to access t
Most of the time to the secret to be persistent encryption, at this time the encryption using MD5. When symmetric encryption is used, the Des method is used.1 Importjava.io.IOException;2 Importjava.security.MessageDigest;3 ImportJava.security.SecureRandom;4 5 ImportJavax.crypto.Cipher;6 ImportJavax.crypto.SecretKey;7 Importjavax.crypto.SecretKeyFactory;8 ImportJa
There are two articles worth looking at:https://blog.csdn.net/wgw335363240/article/details/8878584
Conclusion:
1 AES encryption time and the size of the encrypted file is growing linearly, encrypting 1G of the file will take about 4 minutes, encryption speed is still very fast
2 The encrypted file size is twice times the size of the original file
3 The time required to decrypt the file is twice times the
It is estimated that there will be more updates in cryptography over time.
Asymmetric Encryption:Asymmetric encryption is the opposite of symmetric encryption concept, symmetric encryption refers to the encryption and decryption using the same key keys, such as Stream encryption
PHP and Javades encryption and decryption instances, and des encryption and decryption. For PHP and Javades encryption and decryption instances, des encryption and decryption des encryption is a more popular encryption method for
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