Questions tagged as 'criptografia'

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Download an encrypted file from a url

I have this url, it's an encrypted image of whatsapp: https://mmg-fna.whatsapp.net/d/f/Agli1Cej_5hAtjpKhGZ3xl2TKU9dWRXcOE_k0KLvJOWZ.enc And this is the key to decrypting: fhE5/WIJmz46IsnTeI0FpLrD7MneIWH7QWSUUvul0p4= I'm trying to decry...
asked by 06.09.2017 / 16:55
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Error in the encryption program c #

Hello, I'm trying to run my program done in C # with Windows Application, but it's giving a compilation error that I can not solve. Thanks to whoever can help me! Thankful ! (The error is happening in void Decode method) using System; using Sy...
asked by 12.07.2017 / 16:48
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Login that compares user input with encrypted data in MySQL

I'm having trouble finding a way to compare the data entered by the user to a jPasswordField on the login screen and compare it with the encrypted password in AES and saved in the MySQL database. Can anyone help me? Save button code th...
asked by 17.06.2017 / 20:32
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Base64 and MD5 - Java

What are the differences between MD5 and Base64 for encryption? Which is the safest? I read that MD5 is the most used, but wanted to understand the reason.     
asked by 15.02.2017 / 00:14
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Encrypting / Decrypting strings with Delphi

For the sake of knowledge, I would like to create my own very complex function for encrypting and decrypting program strings. I got this piece of code from the internet s1[1] := Char((Byte(s1[1]) shl 4) or (Byte(s1[1]) shr 4)); . It is...
asked by 21.07.2016 / 21:40
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Hiding AES decryption key in android app

How can I not only hide AES keys but also encrypt and decrypt using the predefined keys / commands in a native library ( encode.so ) so that I can compile and include it in my android app. That is, calling the native functions in the library...
asked by 20.06.2016 / 07:22
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Encryption for wordpress plugin code

I finished a wordpress plugin and I do not want to leave the code open. I've tried using a simple obfuscator, but after obfuscating wordpress does not recognize it as a plugin. Does anyone have a light how to protect my code?     
asked by 13.04.2016 / 17:38
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Encrypt string based on a keyword in php

I'd like to know if there is a way to encrypt a string reversibly based on a password. To be able to decrypt, you must know the password. Like base64_encode() and base64_decode() but use a keyword.     
asked by 19.02.2016 / 12:58
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E-mail visibility and password after submit (Facebook)

I have a question regarding passwords. I decided to do an "experiment" to see the security of the data sent by forms, and even using security protocol I noticed that you can literally READ and SEE the sent password. The browser sends everyt...
asked by 01.02.2016 / 12:07
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Encryption of a class in C #

I have the following code in PHP: $params = json_decode(trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $api_secret, base64_decode($enc_request), MCRYPT_MODE_ECB))); Where the result is an array and not a string. My data I need to send is t...
asked by 29.12.2015 / 16:15