Found a total of 469 related content
encrypted string
Article Introduction:Encryption is a technique that changes data by using certain techniques or certain steps so that it changes to another kind of information or from which the previous information cannot be directly collected. For encryption, we have to follow certain steps that are fixed for the specific encryption type. In this question we will be given a string and we have to encrypt it by following the given steps - first we have to get all the substrings containing the same character and replace that substring with a single character followed by The length of the substring. Now, change the length to a hexadecimal value and all characters of the hexadecimal value must be changed to lowercase. Finally, reverse the entire string. ExampleInput1:stringstr="aabbbcccc"
2023-09-08
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639
yii encrypted string garbled characters
Article Introduction:The solution to garbled characters in yii encrypted strings: first use base64_decode($uid) to decode the encrypted data; then use \yii::$app->security->decryptByPassword() to decrypt the data to ensure that it is not garbled.
2020-02-17
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1444
Encrypt strings based on algorithms using JavaScript
Article Introduction:Problem We need to write a JavaScript function that receives a string and encrypts it according to the following algorithm - The string contains only space separated words. We need to encrypt each word in the string using the following rules - The first letter needs to be converted to ASCII code. The second letter needs to be swapped with the last letter. So, according to this, the string "good" will be encrypted as "103doo". Example The following is the code - live demonstration conststr='good';constencyptString=(str='')=>{ &a
2023-09-17
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915
What is the thinkphp string encryption method?
Article Introduction:Method: 1. Use the assign() function to pass the string to the html page, the syntax is "$this->assign("str", string)"; 2. Use "$this->display()" to call the template; 3. Use the md5 function to encrypt and output. The syntax is "{$str|md5}".
2022-02-15
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3436
java unidbg Ollvm string encryption and parsing method
Article Introduction:Principle of unidbgOllvm string encryption and parsing: use unicorn's memhook to dump pure data after loading so in the memory. There are two methods: Core method Method 1: Use getBackend() to copy Unicorn's memory hook method. Method 2: Use traceCode() to trace the specified memory segment and hook the memory data. Note that getBackend is driven by Unicorn, so it can only be used on the unicorn engine of dbg. Take getBackend as an example emulator.getBackend().hook_add_new(newWriteHo
2023-05-18
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1239
Encrypt a string by repeating the i-th character i times
Article Introduction:Introduction A C++ string is a fixed sequence of alphanumeric characters. It is a continuous stream of characters, which can be numbers, characters or even special symbols. Every string has a certain length. Access character positions start from 0. A string can contain unique or repeated characters concatenated together. They can perform various operations and series operations. In this article, we will develop a code that takes a string as input and displays the encrypted string where the first character is repeated 1 time and the second character is repeated 2 times. Repeat this process until the length of the string is reached. Let us see the following example to understand this topic better - Example Example 1 - str - "g@m$" Output - g@@mmm$$$$ For example, the following example string also contains the special
2023-08-31
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823
Decrypt C# string encoded in GO using AES-GSM method
Article Introduction:I have a string encrypted with aes-gcm in go and its passphrase and trying to decrypt it in c#. However, I can't find the correct way to decrypt it in c#. The error I am getting mentions that the size of the iv, the length of the block is not suitable for the c# decryption algorithm. Here are the values in go: aesencr/decrpassphrase:this-is-a-test-passphraseinputstring:texttoencrypthelloworld123encryptedstring:94b681ef2
2024-02-10
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868
Let's talk about how to decode encrypted characters in PHP files
Article Introduction:In web development, PHP is a commonly used server-side scripting language. Due to the open source nature of PHP files, the source code may be obtained by malicious attackers through some means, resulting in security issues. In order to protect code security, sometimes it is necessary to encrypt PHP files. However, if the encrypted file needs to be debugged or modified, decoding is required. This article will introduce how to decode encrypted characters in PHP files. 1. PHP file encryption method In PHP file encryption, a commonly used method is to replace the characters in the original PHP code.
2023-04-21
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962
Decryption of Python string slicing techniques to improve text processing efficiency
Article Introduction:Decrypt Python string slicing techniques to improve text processing efficiency Overview: In daily text processing, string slicing operations are one of the commonly used techniques. As a powerful and popular programming language, Python provides many simple and efficient slicing operation methods, which can greatly improve the efficiency of text processing. This article will introduce some common string slicing techniques and provide specific code examples. 1. Basic string slicing operation to obtain substrings of a string: String slicing operation is implemented through indexing. The example is as follows: s
2024-02-03
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248
How to use PHP functions for data encryption and decryption?
Article Introduction:How to use PHP functions for data encryption and decryption? Overview Data encryption and decryption is an important means of protecting sensitive information. In PHP, we can use some functions to implement data encryption and decryption operations. This article will introduce how to use PHP functions for data encryption and decryption, and provide corresponding code examples. Simple encryption and decryption using base64_encode and base64_decode functions The base64_encode function can encode a string into base64 format
2023-07-26
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398
Common encryption and decryption errors encountered in PHP language development and their solutions
Article Introduction:The PHP language is often used in web development. During data transmission and storage, encryption and decryption algorithms are often required to ensure data security. However, some common encryption and decryption errors will be encountered during development. This article will introduce the causes of these errors and provide solutions. Error: The encrypted string is garbled. Reason: When using the encryption algorithm, PHP uses the ASCII character set for conversion by default. However, if the plain text contains characters from other languages, such as Chinese, Japanese, etc., garbled characters will appear. Solution: You can use m
2023-06-09
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1593
How to perform data encryption and decryption operations in ThinkPHP6?
Article Introduction:With the continuous development of Internet technology, data encryption and decryption have become one of the necessary skills for developers. When developing using the ThinkPHP6 framework, you also need to understand how to encrypt and decrypt data. This article will introduce in detail the data encryption and decryption operations in ThinkPHP6. 1. Data encryption 1. Encrypt using system functions. PHP provides some system functions that can be used to encrypt data. The most commonly used one is the md5() function. This function can MD5 encrypt a string and return 32
2023-06-12
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1326
How to encrypt and decrypt data using PHP?
Article Introduction:With the rapid development of network technology, data security has become one of the most important issues in network application development. Data encryption is a way to protect sensitive information by converting data into a seemingly meaningless string of characters through an encryption algorithm, making it impossible for unauthorized people to read the information. PHP is a widely used server-side scripting language that provides rich encryption and decryption functions to implement various encryption algorithms. This article will introduce how to use PHP for data encryption and decryption, and provide some useful PHP encryption
2023-05-21
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1793
Secrets Manager update secret - secret string appended with JSON encoding
Article Introduction:I'm using awscli to update a json key containing an x509 certificate. The payload I pass to the --secret-string parameter is in the encoding I expect, but when uploaded and stored in AWS, secretsmanager is performing additional encoding on newlines. The problem I'm having is that when unmarshalling the secret, the pem and key contents are not fully escaped. I have an application server in Go and when passing the secret to tls.x509keypair() it does not recognize the contents of the certificate. I can manually paste the payload from the cli command into the key on the web and it retains the existing formatting and my code
2024-02-13
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946
PHP implementation of data encryption and decryption in WeChat applet
Article Introduction:WeChat Mini Program is a new experience developed by WeChat, which allows users to directly use the functions of web pages without installing software. In WeChat mini programs, in order to ensure data security, developers need to encrypt and decrypt data. This article will introduce how to implement PHP implementation of data encryption and decryption in WeChat applet. 1. WeChat applet data encryption and decryption algorithm The encryption and decryption algorithm of WeChat applet is based on the AES-128-CBC encryption mode. It needs to use a 16-byte random string as the initial vector and
2023-05-31
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2082
Complete list of PHP encryption and decryption functions: safe application methods of md5, sha1, base64_encode and other functions
Article Introduction:Complete list of PHP encryption and decryption functions: safe application methods of md5, sha1, base64_encode and other functions, requiring specific code examples. In the development of network applications, data encryption and decryption is very important. As a popular server-side scripting language, PHP provides a variety of encryption and decryption functions. This article will introduce commonly used functions and their secure application methods, and provide specific code examples. md5 function The md5 function is the most common encryption function that can convert a string of any length into 32 bits
2023-11-18
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338
Detailed explanation of MySQL password encryption and decryption
Article Introduction:There are a variety of front-end encryption algorithms that can be used for data encryption and decryption. This is a simple database-level data encryption and decryption solution. Taking the MySQL database as an example, it has built-in corresponding encryption function (AES_ENCRYPT()) and decryption function (AES_DECRYPT()).
2020-04-16
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4493
Is it possible to add characters to a string in php?
Article Introduction:PHP can add characters to strings. Two implementation methods: 1. Use the string connector "." to splice the specified character to the beginning or end of the string. The syntax is "specified character. string" or "string. specified character"; 2. use substr_replace The () function can insert the specified character at the specified position of the string. The syntax is "substr_replace(string, specified character, specified position, 0)". The value at the specified position can be 0, negative or positive.
2022-08-19
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2752