Hello, I am taking the liberty of making a post on this site because I am encountering a problem using the LibSodium library, in JavaScript. The goal is to encrypt a message, so I execute: var i=sodium.crypto_secretbox_NONCEBYTES; var...

Javascript

cryptography

I have a nonce problem using libsodium JS

13 Apr 2024 by Andre Oosthuizen

You are generating the nonce incorrectly. Your 'sodium.randombytes_buf(i)' function expects the argument of 'i' to be the length of the buffer (in bytes) to be generated, not the actual value of the nonce length as per your code. The...

Javascript

cryptography

I have a nonce problem using libsodium JS

13 Apr 2024 by Graeme_Grant

It's a 3rd-party library. Best place is to ask in their issues on github: Issues · jedisct1/libsodium.js · GitHub[^]

Javascript

cryptography

Inject DLL in Another Process using C++ Win32 Windows API

20 Dec 2023 by Daniel Ramnath

C++, Win32 API - Injecting DLL in a process

C++

Windows

cryptography

Having trouble providing a distinguisher proving this hash function is not collision-resistant

9 Oct 2023 by HughJass24

As suggested by the title, I'm working on an exercise where I'm given a hash function H that takes in an input string x. I'm supposed to construct a distinguisher that proves H isn't collision-resistant. I'm given a block cipher F, F^-1 as well....

hash

collisions

cryptography

AES arduino encrypted codes decrypted into C#

19 Aug 2023 by adriancs

I have just published an article exactly answered this question. I know my post it's a little late to the party, but anyway, here's my article. cheers AES Encrypted Data Transmission between Arduino (ESP32) and C# (ASP.NET)[^]

Arduino

cryptography

C++ OpenSSL 3.1 code for Advance Attack on AES-CBC Encryption: Combining Padding Oracle, Timing, and Error Handling Attacks

14 Aug 2023 by Daniel Ramnath

C++ OpenSSL 3.1 Attack AES-CBC using Padding Oracle Attack, and Timing Attack

C++

cryptography

encryption

cngsha3: A Cryptography Next Generation Implementation of Newer Algorithms

13 Aug 2023 by Michael Chourdakis

Use SHA-3 and the CRYSTALS Kyber, Dilithium and Sphincs in Win32 projects

C++

Win32

cryptography

Signing request by SHA-256 HMAC

8 Aug 2023 by DrAibolit

Hi, I have a problem to format string to sign webrequest using SHA-256. I have an example code written on Pyton which works correct. I try to write the same on .Net but have no success with it. Thanks for any help! What I have tried: Imports...

Python

cryptography

Signing request by SHA-256 HMAC

8 Aug 2023 by DrAibolit

I found my mistake. I use vcCrlf to split plainText String.Join(vbCrLf, New String() But I need to use just vbLf instead. This mistake made my signed request corrupted.

Python

cryptography

Php hash_equals not working properly with crypt

21 Mar 2023 by LB2371

I'm implementing a CSRF protection system for my website (forms) and I've noticed a strange (?) thing using hash_equals + crypt. An example to explain it (PHP 8.1.8): $sessionToken = crypt(“562710df09d5b3b1e33769cd50a7e15d0cad770e66771ebbe9”,...

PHP

hash

cryptography

CryptStringToBinary API behavior

7 Jan 2023 by Nikhil Sisodia

Hi,I am seeing a strange behavior with CryptStringToBinary Cryptography API.Please see the below code (config: x64 Debug):#include "stdafx.h"#include #include #include #include void main(){ DWORD dwSkip; DWORD dwFlags; DWORD...

C++

cryptography

No need to Store, Encrypt or Memorize Passwords!

28 Dec 2022 by Sergey Alexandrovich Kryukov

Generator of highly secure passwords based on cryptographic hash and master password, which should be memorized; no password storage is involved.

Obtain the Plain Text Session Key using CryptoAPI

22 Sep 2022 by Raphael Amorim

How to get plain text session using CryptoAPI

C’YaPass: The Best Password Manager You’ve Never Used (A Complete Password EcoSystem)

26 Jul 2022 by raddevus

C’YaPass (Fully Open Source Software) now a Fully-Functioning Password Ecosystem which doesn’t store your passwords anywhere — You are the owner of your data.

Javascript

WebAPI

cryptography

Create Authenticated Encryption & Encrypt Your Data with AES256

30 Jun 2022 by raddevus

Fully working sample code and explanation of everything necessary to create authenticated encryption with AES256.

Import RSA private key from pem file

8 May 2022 by Member 10494282

Hello, I need help. I'm trying to implement TLS1.3 on my server and I'm stuck importing a 2048-bit RSA private key. I want to import it from a .pem file. I manage to read it, then convert it from base64 to hex (binary) and I have it all in a...

C++

TLS

cryptography

Generate Variable Substitution-Boxes Starting from a Key

8 May 2022 by Bruno Tabbia

Creation of a substitution box starting from a key and using it in a direct substitution cipher

Dev

text

cryptography

Cryptographic Hashes: What They Are, and Why You Should be Friends

5 May 2022 by Jerome Vonk

Description of cryptographic hashes and practical examples on how to calculate them

Generate a GUID from a 24-character string and vice versa

12 Apr 2022 by TempoClick

I am trying to create a GUID from a string that looks like this "ZgEKpwQbNswAAAFgf2R4ugv.". 24-character string => Guid, AND Guid => 24-character string The problem is that the string is 24-bytes array and to generate a GUID I need a 16-bytes...

cryptography

bytes

encoding

Generate a GUID from a 24-character string and vice versa

12 Apr 2022 by CPallini

As it is stated, there is no way. You should make a compromise. For instance, you may keep three characters in the string fixed (or computable from the other ones). Or you might accept that the same GUID is mapped to many strings.

cryptography

bytes

encoding

Generate a GUID from a 24-character string and vice versa

12 Apr 2022 by OriginalGriff

You are going to have to go back to where you got the data from and ask there - it's not obvious what encoding was used to generate that string. It looks like Base64, but that decodes to an 18 byte value: 66 01 0A A7 04 1B 36 CC 00 00 01 60 7F...

cryptography

bytes

encoding

RSA Key Pair via OpenSSL

19 Feb 2022 by Asif Bahrainwala

A simple C++ program to generate RSA key pair

A Basic Cipher Transform

16 Feb 2022 by charles henington

Simple user defined Cipher Transform that I got the idea from https://www.codeproject.com/Articles/5319044/ARC4-Encryption-Library

Add an object reference for a non static field

10 Feb 2022 by Michaelred54

I get this error: "An object reference is required for the non-static field, method, or property 'HashAlgorithm.ComputeHash(byte[])'" on this code: protected void Button1_Click(object sender, EventArgs e) { ...

hash

cryptography

Add an object reference for a non static field

10 Feb 2022 by M Imran Ansari

In order to use a non-static field, method, or property, you must first create an object of an instance. HashAlgorithm hashAlgo = HashAlgorithm.Create("SHA512"); Now use the object hashAlgo to call their methods. Reference for more information:...

hash

cryptography

Add an object reference for a non static field

10 Feb 2022 by Tony Hill

Try this HashAlgorithm myHashAlgorithm = HashAlgorithm.Create("SHA512"); byte[] hash = myHashAlgorithm.ComputeHash(Encoding.UTF8.GetBytes(PIN_Entry.Text)); string MyHash = System.BitConverter.ToString(hash); ...

hash

cryptography

ARC4 Encryption Library

8 Feb 2022 by Pavel Bashkardin

ARC4 (Alleged RC4) Cryptography Provider Class Library

Fix "input length must be multiple of 8 for padded decypher" using JAVA JCA

7 Nov 2021 by lfbr0

I'm currently doing an assignment for a college course using Java's JCA. The application takes in a file and encrypts it (or decrypts it) using DES-ECB. I am fully aware that it's not a secure encryption algorithm. It encrypts fine, I believe,...

Java

cryptography

encryption

NoisyCrypt

25 Oct 2021 by ADMGNS

Very simple, noise-based color visual cryptography for images

Delphi

cryptography

C# How to PGP Encrypt a text file using Bouncy Castle?

20 Oct 2021 by sreeyush sudhakaran

I have tried many Examples in Google to PGP Encrypt my Text file , but all of them shows error in some or other ways.I tried the Encryption Tool https://www.igolder.com/PGP/[^] for testing my file.It only works fine in that website only.I hardly need help for 1)How to generate...

C# How to PGP Encrypt a text file using Bouncy Castle?

20 Oct 2021 by sinchan rane

hi please share your solution

Digital sign verification after append a new page in signed PDF file

23 Aug 2021 by sonu Ranjan

I have an issue With multiple Digital Signatures in PDF Files using a USB Token. I am using open-source dll itextSharp for digital Sign and I am trying to multiple Sign in PDF File. In this scenario user (A) have sign a single page PDF File, and...

C#4.0

itextsharp

cryptography

Digital sign verification after append a new page in signed PDF file

23 Aug 2021 by Richard Deeming

Changing a PDF file will invalidate any existing signatures on the file. That's the whole point of the signature.

C#4.0

itextsharp

cryptography

Audio Chat for Pretty Good Concealing (AC4PGC) - Part I

5 Mar 2021 by Clark Fieseln

Low rate data exchange (e.g., chat) using audio steganography, ensuring privacy, anonymity and cybersecurity

Android

steganography

cryptography

Is system.security.cryptography.openssl works for window ?

4 Mar 2021 by DoingWork

Is System.Security.Cryptography.OpenSSL namespace works for Widnows? What I have tried: I want to implement security via OpenSSL starting from beginner stage.

Is system.security.cryptography.openssl works for window ?

4 Mar 2021 by Dave Kreskowiak

This took all of 20 seconds to find: Quote: Provides cryptographic algorithm implementations and key management for non-Windows systems with OpenSSL. NuGet Gallery | System.Security.Cryptography.OpenSsl 5.0.0[^] And on RSAOpenSsl Class...

Is openssl not available in windows OS ?

25 Feb 2021 by DoingWork

Is OpenSsl available in Visual Studio in Windows OS ? I want to Encrypt test using OpenSSL in Visual Studio 2017. Then what is purpose of System.Security.Cryptograpgy.Openssl Nouget Packet in Visual Studio ? What I have tried: Here a link in...

Is openssl not available in windows OS ?

25 Feb 2021 by #realJSOP

There are several OpenSSL-specific NuGet packages available. I don't know if any of them will meet your needs, but you can start looking in there.

Vb.net 128 AES ECB encrypt/decrypt file

7 Nov 2020 by RickZeeland

See remark here: Aes128.Encrypt Method (String, String, Mode, String)[^] For ECB and CBC modes, the length of the decoded input bytes must be an exact multiple of the block length (16 bytes). The examples seem to be for the CryptoSys...

AES

cryptography

Vb.net 128 AES ECB encrypt/decrypt file

7 Nov 2020 by Mr.H3

I want to use AES 128 ECB algorithm in securing message files. I have tried all the solutions available on the internet. But when I do manual calculations the results are different.Anyone have any code regarding this please share it with me that...

AES

cryptography

Https TLS handshake man in the middle

23 Sep 2020 by j11codep

If the Client Hello request is somehow intercepted before it gets to the real server and this malicious server replies with it's own certificate (not sure if this is possible, like maybe the malicious server has an actual valid certificate issued...

Https TLS handshake man in the middle

23 Sep 2020 by Richard Deeming

This would require the attacker to have a valid certificate for the domain they're trying to intercept. There are generally two ways this can happen: A rogue or compromised CA. This tends to be caught fairly quickly, and that CA will be booted...

Can I please have a proper explanation of the ''meet in the middle'' mathematical algorithm?

19 Sep 2020 by Dave Kent 305

I was making some research on cryptography for a class when i got to this article talking about how the meet in the middle algorithm process can boost the processing time (computational time) of some math problems in python I.E Large Numbers. But...

modules

cryptography

Can I please have a proper explanation of the ''meet in the middle'' mathematical algorithm?

19 Sep 2020 by Patrice T

Quote: Can i please have a proper explanation of the 'Meet in the middle' mathematical algorithm? In the article you provided, "meet in the middle trick" is itself a link to an explanation (thus the green color) with example. Meet in the middle...

modules

cryptography

How to make openssl AES256 encryption in C#

15 Aug 2020 by vardhman shah

Hello, I have sample code in Java for your reference. public static String decryptOpenSSL(String key,String data) throws IOException, GeneralSecurityException{ OpenSSL opensll=new OpenSSL(); InputStream ...

How to make openssl AES256 encryption in C#

15 Aug 2020 by Garth J Lancaster

"but not work for me" - that's a pretty useless description - why would you do openssl AES encryption in C# when the framework has it build in - Aes Class (System.Security.Cryptography) | Microsoft Docs[^]

How do I generate RSA key manually in C#

17 Jun 2020 by OriginalGriff

Why on earth would you want to do that? "Rolling your own" with encryption is a good way to get problems later: it's a complicated field with complex code, and tiny differences can cause encrypted data to either be easily broken or corrupted...

cryptography

How do I generate RSA key manually in C#

17 Jun 2020 by AnasMHDAbbas

Hi friends, we know RSA key pair need p,q (prime numbers), and if we want to generate RSA key on 128 bit length we need to generate p and q on 128 bit length and do some math with them. my problem is how to generate these big prime numbers and...

cryptography

Generate Serial CPP

13 May 2020 by Apprieu (Apprieu)

How to generate a serial key with Crypto API MFC

C++

MFC

cryptography

Verifying PBKDF2 salted and hashed password in login

3 Apr 2020 by OriginalGriff

Don't do that. Instead, call hc.GetHashPassword on the password they tried to log in with, and compare that with the value stored in the DB. Provided the salts are the same - and if they aren't you'll never get a good match or it's a pathetic...

WinForms

cryptography

Verifying PBKDF2 salted and hashed password in login

3 Apr 2020 by Member 14766911

I am following an example on how to create and verify a secured password with PBKDF2 which I found from this website What I have tried: I created a class called "HashCode" which I am accessing from the registration and login form and I am able...

WinForms

cryptography

Base 58 encoding in C language

27 Mar 2020 by Richard MacCutchan

OK, this is what it is: Base58Check encoding - Bitcoin Wiki[^]

Base 58 encoding in C language

27 Mar 2020 by Asish6542165

I have a function that returns a bitcoin address but I want to perform base58check encoding on it to convert it to a bitcoin address. unsigned char address[]="008f26a17cbbc941a9dbe63a1f1c69591f08aab94bd586ad5e" The address is stored in an...

Qcwá; tdk h, v; ori epaorkctj; , paekc.gw, pwrg.

23 Mar 2020 by steveb

Send me 1 million USD I'll hack it together

I have a question? Please follow this link

22 Mar 2020 by k5054

looking back at your original question, you had const unsigned char* rawdata = "046EAF0968AA895ADDFEE599566F0B880242461D1377F4887C9B84631E13067B96DB18C41E0C208F8D12EBCC3F99F2522903AF6105833E4CBADE9D6A1D0F039187"; unsigned long n =...

Bitcoin

OpenSSL

cryptography

I have a question? Please follow this link

22 Mar 2020 by Asish6542165

just follow this link. SHA256 and RIPEMD160HASH in C program[^] when I replace const unsigned char* rawdata =...

Bitcoin

OpenSSL

cryptography

I have a question? Please follow this link

22 Mar 2020 by steveb

when you are using an initialization list (your 2nd case) you need to change your declaration to: const unsigned char rawdata[] = { 0x04, 0x6E, 0xAF, 0x09, 0x68, 0xAA, 0x89, 0x5A, 0xDD, 0xFE, 0xE5, 0x99, 0x56, 0x6F, 0x0B, 0x88, 0x02, 0x42, 0x46,...

Bitcoin

OpenSSL

cryptography

SHA256 and RIPEMD160HASH in C program

20 Mar 2020 by phil.o

const unsigned char* rawdata = "046EAF0968AA895ADDFEE599566F0B880242461D1377F4887C9B84631E13067B96DB18C41E0C208F8D12EBCC3F99F2522903AF6105833E4CBADE9D6A1D0F039187"; You've already been told that, but I am going to tell you once more: the rawdata...

hash

OpenSSL

cryptography

SHA256 and RIPEMD160HASH in C program

20 Mar 2020 by Asish6542165

I wrote a c program to perform sha256 hash on a char array and then perform ripemd160 hash on the output of the sha256 hash function. here is my code: #include #include #include #include

hash

OpenSSL

cryptography

Ripemd160 hash in C program.

20 Mar 2020 by Richard MacCutchan

const unsigned char* rawdata = ""; unsigned long n = strlen(rawdata); unsigned char md[32]; unsigned char* pmd = RIPEMD160(rawdata, n, md);

OpenSSL

cryptography

Ripemd160 hash in C program.

20 Mar 2020 by Asish6542165

I wrote a c program to calculate ripemd160 hash on a 64-byte char array.But it give me the wrong output. This is my code: #include #include #include int main (void) { unsigned char s[7] =...

OpenSSL

cryptography

Ripemd160 hash in C program.

20 Mar 2020 by CPallini

Quote: 31ed4989d15e4889e24883e4f050544c8d059a01 If that is the hexadecimal string representation of an array of bytes then you should do something like: unsigned char s[] = { 0x31, 0xed, 0x49, 0x89, ..., 0x01}; unsigned char h[20]; RIPEMD160(s,...

OpenSSL

cryptography

RIPEMD160 hash in C language

19 Mar 2020 by CPallini

What about The Documentation[^]? Looks you are unfamiliar with the documentese (you should fix that as soon as possible). try const char mystr = "My Beautiful String"; // first parameter is the input string unsigned long len = strlen(...

Bitcoin

cryptography

RIPEMD160 hash in C language

19 Mar 2020 by Asish6542165

I want to code a c program to perform ripemd160 hash on a char array. But I cannot figure out how could I do it. Can anyone suggest a c code to do the following? What I have tried: I came across this function in OpenSSL but I cannot figureout...

Bitcoin

cryptography

RIPEMD160 hash in C language

19 Mar 2020 by OriginalGriff

Have you considered reading the documentation: /docs/man1.0.2/man3/RIPEMD160.html[^] at all?

Bitcoin

cryptography

C program to calulate sha256 and ripemd160 hash of a char array

19 Mar 2020 by OriginalGriff

Repost: Deleted. Please do not post the same question multiple times: it duplicates work and that annoys people. Annoying people is not the best way to get them to help you ...

Sha256 and ripemd160 hash implementation in C language.

19 Mar 2020 by OriginalGriff

You seem to be a little confused: Quote: If you replace the public key with any string which is small enough it will work correctly. SHA is a hashing algorithm, not an encryption algorithm - it doesn't use a key, public or private. Hashing...

Bitcoin

cryptography

Sha256 and ripemd160 hash implementation in C language.

19 Mar 2020 by Asish6542165

I want some help with the implementation of sha256 and ripemd160 hash in the c program. Does anyone know how can I perform sha256 on a char array? I wrote a code #include #include #include int main...

Bitcoin

cryptography

Crypto++, _BLOCK_TYPE_IS_VALID error

22 Feb 2020 by Morbiddeath

Hi, I have copied this piece of code from another site and have trouble compiling it; I'm new to cryptography and whilst I tried my best to get this to work, i keep getting "Expression: _BLOCK_TYPE_IS_VALID(pHead->nBlockUse)" I know this error has to do with the heap but I didn't perform any...

decryption with rijndeal algorithm gives padding error

31 Dec 2019 by ali_heidari_

hi...i am using rijndeal to encrypt and decrypt some data! but it gives me this error :Padding is invalid and cannot be removed.i searched much but nothing help me to solve this error! tis is my encrypt/decrypt codes:public string Encrypt(string text) { mainRM = new...

cryptography

encryption

decryption with rijndeal algorithm gives padding error

31 Dec 2019 by Member 14703898

Line 52: byte[] plainText = rijndaelCipher.CreateDecryptor().TransformFinalBlock(encryptedData, 0, encryptedData.Length);

cryptography

encryption

Being 'The Compiler': AES-128 Cipher for 8051, Assembly Implementation

14 Nov 2019 by CPallini

An assembly implementation of the AES-128 cipher algorithm for the 8051 microcontroller

ASM

AES

cryptography

Problem in decoding plantext using HMAC of crypto++

30 Oct 2019 by Dave Kreskowiak

HMAC is a cryptographic hash, not an encryption. You cannot get the original content back from the hash value.

C++11

cryptography

Problem in decoding plantext using HMAC of crypto++

30 Oct 2019 by saide_a

hi all I have faced a problem in using HMAC of cryptopp library in decoding section. I have used the flowing code for encoding the planText and it works okay this code is described in this link [HMAC - Crypto++ Wiki[^]] AutoSeededRandomPool prng; SecByteBlock key(16); ...

C++11

cryptography

Problem in decoding plantext using HMAC of crypto++

30 Oct 2019 by Richard Deeming

HMAC is a one-way cryptographic hash function. You cannot retrieve the plaintext from the hash. HMAC - Wikipedia[^]

C++11

cryptography

Failed to decrypt using provider 'rsaprotectedconfigurationprovider'

17 Oct 2019 by Manoj Chamikara

Hi All I have to do update APS.Net MVC System someones did long time ago. there is a problem to run page while debugging web.config file section called appSecureSection. that developer leave the company long time ago and cannot to contact him Is there is any way to do this ? Thanks In...

How validate users online with a license server?

6 Sep 2019 by Member 12766259

What are the steps to make a system like this: 1. User installs the software 2. Software generates a 'fingerprint' key derived from unique hardware ID's 3. Sends this key to the license server 4. Server checks this key if it is present validates it, if not, adds it in to database. 5. After each...

licensing

cryptography

server

How validate users online with a license server?

6 Sep 2019 by MadMyche

In all reality the process is not much different than validation of a user name and password; and from what you have provided your logic seems flawed, and I would suggest you rethink this process. Your software generates a fingerprint which is a completely valid thought; and could be a great...

licensing

cryptography

server

How validate users online with a license server?

5 Sep 2019 by Patrice T

Quote: 5. After each launch license is validated online. This means that: - if license server is down, not legitimate user can use your program. - if user is offline or have a problem with internet, he can't use your program. Isn't it a little bit extreme ?

licensing

cryptography

server

How validate users online with a license server?

5 Sep 2019 by RickZeeland

See CodeProject articles: A Ready To Use Software Licensing Solution in C#[^] Licensing systems in .NET[^] And also: Open Source .NET License Tool, EasyLicense ![^]

licensing

cryptography

server

The *AdES Collection: CAdES, XAdES, PAdES and ASiC Implementation for Windows in C++

22 Jul 2019 by Michael Chourdakis

A standard-compliant library for secure signing

Encryption/Decryption with 128 Bit Key using Cryptographic Functions

23 May 2019 by Saira Fazal Qader

Conversion of image to byte and Encryption using 128 bit key than Decryption using the same key and re-conversion from byte to image

Getting 'badimageformatexception' when loading libsodium.dll in visual studio 17

17 May 2019 by TheOneTrueMongoloid

I have the libsodium-net NuGet loaded into my PoC solution and have the 32-bit and 64-bit libsodium.dll files in their respective directories (System32 and SysWOW64). Whenever I go to run the program in debug mode, I get the BadImageFormatException error. Is it enough to have the libsodium.dll...

cryptography

Getting 'badimageformatexception' when loading libsodium.dll in visual studio 17

17 May 2019 by Dave Kreskowiak

The 2017 runtime is just an update to the 2015 version. If you install 2017, you have 2015. The version number for 2015 is 14.0 whereas for 2017 it's 14.4. If you've got 2017 installed, you already have 2015 along with it. As for you main issue. Not a clue. Every time I've seen that is...

cryptography

.net core asymetric cryptography

20 Mar 2019 by Ger Hayden

The RSACryptoServiceProvider is not implemented in .NET Core yet so while I have managed to generate keys I cannot get Encrypt or Decrpyt to work so I need my own alternatives. I cant find anything useful on line to guide me. The logic I want to implement is 1. Client calls API for RSA public...

.Net-Core2

ASP.NET

cryptography

.net core asymetric cryptography

20 Mar 2019 by MadMyche

Which part of RSA is missing? MS Docs NetCore 2.1 | RSACryptoServiceProvider Class[^]

.Net-Core2

ASP.NET

cryptography

Hmacsha256 on .NET 1.1 web app

13 Mar 2019 by Member 13329678

Hello all, I have a .net 1.1 web app and i need to encrypt data with HMACSHA256 with key, which is not supported. I cannot upgrade the project, since it is our clients live website. It is really important to use this algorithm for online payments - no other algorithm is supported by the bank. ...

.NET1.1

cryptography

Hmacsha256 on .NET 1.1 web app

12 Mar 2019 by OriginalGriff

Several things: 1) It may be urgent to you, but it isn't to us. All that your stressing the urgency does is to make us think you have left it too late, and want us to do it for you. This annoys some people, and can slow a response. 2) Never, ever, accept code from a insecure website to handle...

.NET1.1

cryptography

Create Your Own Cryptocurrency in Private Consortium Network Ethereum Azure Blockchain

7 Feb 2019 by Sibeesh Passion

Create own cryptocurrency and own private consortium network in Azure

What is wrong with my code? C#

27 Jan 2019 by Member 14130699

This is my code in program.cs: static void Main(string[] arg) { Boolean bCreatedNew; Mutex m = new Mutex(false, "schoolProject", out bCreatedNew); m.WaitOne(); GC.Collect(); if (!bCreatedNew) return; ...

cryptography

What is wrong with my code? C#

27 Jan 2019 by Richard MacCutchan

Yes, you have got the AES key. It is just that many of the bytes are not printable alphanumeric characters. You need to understand that a byte can have any value between 0 and 255, and only some of those values equate to printable characters. Google will find you the full set. Given that this...

cryptography

AES arduino encrypted codes decrypted into C#

10 Dec 2018 by OriginalGriff

Quote: i have done encrypted mention code in c-Arduino and want to decrypted it into c# but when we try to decrypt it in c# receiving different error We can't help you directly - there are too many variables, and we can't run both sides of your code under the same circumstances. So the first...

Arduino

cryptography

AES arduino encrypted codes decrypted into C#

10 Dec 2018 by alisolution

Greeting, I want to codes which create Encryption in Arduino-C and can be Decrypted into c#. is it possible ? Using algorithm AES or any other an algorthim anyone help me, can provide codes AJ What I have tried: #include "AES.h" #include "base64.h" AES aes; void setup() { ...

Arduino

cryptography

How do I decrypt a string using private key

18 Oct 2018 by kanangandhi

Read this article[^]

cryptography

How do I decrypt a string using private key

18 Oct 2018 by Member 14022201

Hello All, I want to Decrypt a string using private key that has been provided. I have started coding recently in C# any help with a code will be highly appreciated. What I have tried: I am completely new to this so I don't even know where to start from I have read about the private and...

cryptography

How do I decrypt a string using private key

18 Oct 2018 by Alek Massey

You could change your program to also allow inputs of an encrypted string and of the private key and then use the key to decrypt the string.

cryptography