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Recent questions tagged Encryption

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encryption - How to decrypt an encrypted sqlcipher database file on command line?

The question is simple What I have is: I have a database file which is encrypted using sqlcipher. I ... is unencrypted/non encrypted/decrypted. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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encryption - How do I encrypt a string in PHP?

I want to make an encryption function that should have some secret key. Something like the following: function ... should apply for decryption. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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encryption - How insert bits into block in java cryptography?

I am trying to make a simple Java program that involves cryptography. First I read a block of 32 bytes from file ... { e.printStackTrace(); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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encryption - Decrypt file in Node.js encrypted using OpenSSL

I'm using the following command to encrypt a video file in openssl openssl aes-256-cbc -nosalt -a -in movie. ... node and java at the same time See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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encryption - Is it possible to encrypt data with AES (256 bit) GCM mode in .net framework 4.7?

The MSDN link provides references to concrete AES classes: System.Security.Cryptography.AesCng System.Security.Cryptography. ... are my options? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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728 views

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encryption - How to use `bcrypt` algorithm within `encrypt` function in MySQL for verifying password?

I have bcrypted value($2y$10$zQaDT8hXM4pLmBdwN0xEseda/oKJAQKMKMzUrV8jbs6Epz28BXzBS) of password (qwe). But when I am verifying ... to MySQL? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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756 views

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encryption - 3DES Key Size Matter in C#.Net

Below Code is Working Fine in c#.NET byte[] key = Encoding.ASCII.GetByte("012345678901234567890123"); //24characters ... why is this happen? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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589 views

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encryption - Reading a PKCS#1 or SPKI public key in Java without libraries

I need to use a public key to verify some data in Java, but I can't seem to format the key in such a ... first to see if I'm missing anything. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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encryption - PBKDF2 with SHA256 on android

I want to generate a derived hash of a password using PBKDF2 with SHA256. with this SecretKeyFactory. ... a hash using PBKDF2WithHmacSHA256? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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776 views

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encryption - OpenSSL AES 256 CBC via EVP api in C

What I am trying to do: Write a program in C that opens a file of arbitrary size and reads its contents. ... I changed it to EVP_aes_128_cbc() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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966 views

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encryption - What is the RSA max block size to encode?

What RSA max block size which I can encrypt in one cycle? And what is the maximum speed of the RSA algorithm with a 4096 bit key size? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

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encryption - How do you hide secret keys in code?

I've wondered for some time how some software hides secret keys in such a way that they can't be trivially ... they can't be found easily? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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511 views

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encryption - Hash function that produces short hashes?

Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? ... consecutive integers, in that case. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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encryption - Python's safest method to store and retrieve passwords from a database

Looking to store usernames and passwords in a database, and am wondering what the safest way to do so is. ... be greatly appreciated. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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708 views

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encryption - AES GCM decryption bypassing authentication in JAVA

I have some AES/GCM encrypted data and wanted to decrypt it. I want to decrypt it bypassing authentication as the ... { e.printStackTrace(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

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encryption - Encrypt and decrypt data for Android app-client

With this way I convert an image into a String. Now I want to encrypt this string before send the data in ... to encrypt and decrypt the string? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

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encryption - How to add Bouncy Castle algorithm to Android?

I am trying to write a small application using bouncycastle algorithm, from the BouncyCastleProvider.java it says we ... . Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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619 views

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encryption - Comparing passwords with crypt() in PHP

I need to get the basics of this function. The php.net documentation states, for the blowfish algorithm, that: ... ? } Thanks for your time See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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429 views

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encryption - How can I encrypt a querystring in asp.net?

I need to encrypt and decrypt a querystring in ASP.NET. The querystring might look something like this: http ... something like this? TripleDES? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

1 answer

encryption - How to do PGP in Python (generate keys, encrypt/decrypt)

I'm making a program in Python to be distributed to windows users via an installer. The program needs to be able to ... .4 which I have to use. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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576 views

1 answer

encryption - Simplest way to obfuscate and deobfuscate a string in JavaScript

I'm looking for a way to obfuscate and deobfuscate a string in JavaScript; by which I mean encryption ... function. Any suggestions welcome! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

encryption - AES/CBC/PKCS5Padding vs AES/CBC/PKCS7Padding with 256 key size performance java

I am currently using AES/CBC/PKCS5Padding for encrypting files in Java with 256 bytes key size, but while searching ... .ENCRYPT_MODE, k, iv); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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661 views

1 answer

encryption - How to see the encrypted key in wireshark, during ssl key exchange?

In wireshark, I am able to see the encrypted data to and fro from my PC. It does not use diffie hellman ... How to view the encrypted key? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

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encryption - How can I encrypt JavaScript code so that it's not decryptable?

I have some JavaScript code I need to encrypt, but I want to be sure no one can decrypt it. What tools can ... no one else can decrypt the code. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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666 views

1 answer

encryption - Should jwt web token be encrypted?

I was reading article on JWT web token as an access token that is being response to the user. Some of it ... If not, what are the alternatives? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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encryption - Android read text file from asset folder using C (ndk)

I need to read text file from asset folder in android, by searching through internet I found that there is ... is it possible to do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

1 answer

encryption - Can I encrypt my JSON data?

I'm developing a JQuery web app that will be executed locally from a DVD. The app will read all the contents of ... only the app can read it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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820 views

1 answer

encryption - Can I encrypt my JSON data?

I'm developing a JQuery web app that will be executed locally from a DVD. The app will read all the contents of ... only the app can read it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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