This is a C++ program that generates RSA keys using the gmp library. It provides a command-line interface (CLI) to generate RSA keys, encrypt and decrypt messages.
The program has the following dependencies:
gmp library: You can download it from https://gmplib.org- C++ compiler
To compile the project on a Mac M1, use the following command:
clang++ -I/opt/homebrew/Cellar/gmp/6.2.1_1/include -L/opt/homebrew/Cellar/gmp/6.2.1_1/lib -lgmp -lgmpxx main.cpp utils/*Generating RSA Keys:
To generate a key, use the following command:
❯ ./a.out -h
Rev 0.1a | Last update 09 mar 2022
(c) 2023 Aubertin Emmanuel (aka aTHO_)
RSA
Usage:RSA| [-h | --help] | [-v | --version]
-h Help
-v Version
-s RSA key gen with bits size
Example : ./RSA -s 1024CLI Mode:
To launch the CLI mode, use the -cli argument:
./a.out -cliTo see the help in CLI, type help:
>help
Rev 0.1a | Last update 22 mar 2023
(c) 2023 Aubertin Emmanuel (aka aTHO_)
RsaKey cli
Contrl+c for exit
List of all available commands:
keygen Generates RSA key
crypt Encrypts a message with the current key. You need to generate a key first.
decrypt Decrypts a message with the current key. You need to generate a key first.The first step is to generate a key. To do this, use the following command:
>keygen -s 16
Create New key :
Key has been created
Compute time for key generation : 0.001092
##############################################
| Key length : 16
|----------------------------------------------
| public key ==> 583167853
| private key ==> 100945765
|----------------------------------------------
| Extra info :
| n = 1974137141
| phi(n) = 1974045312
| p = 57493
| q = 34337
##############################################You can see the usage of keygen with -h.
To encrypt and decrypt messages, use the crypt and decrypt commands respectively. Here is an example:
>crypt -m jesuisceri
1327030971 1496702623 288121575 1151377270 1755681820 702415140 998537965 221146567 702415140 366773913 1755681820 841717706 221146567 288121575
>decrypt -m 1327030971 1496702623 288121575 1151377270 1755681820 702415140 998537965 221146567 702415140 366773913 1755681820 841717706 221146567 288121575
-m jesuisceri This program is licensed under the MIT License. Please see the LICENSE file for more details.
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