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Leonetienne
2022-05-17 01:13:42 +02:00
parent 845c77a985
commit a8230086d3
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GCryptCLI/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.16)
project(gecrypt)
set(CMAKE_CXX_STANDARD 17)
# Add library StringTools
SET(stringtools_dir ../StringTools/StringTools)
SET(stringtools_include ${stringtools_dir}/include)
FILE(GLOB stringtools_src ${stringtools_dir}/src/*.cpp)
# Add library GeneralUtility
SET(generalutility_dir ../GeneralUtility/GeneralUtility)
SET(generalutility_include ${generalutility_dir}/include)
FILE(GLOB generalutility_src ${generalutility_dir}/src/*.cpp)
# Add library Hazelnupp
SET(hazelnupp_dir ../Hazelnupp/Hazelnupp)
SET(hazelnupp_include ${hazelnupp_dir}/include)
FILE(GLOB hazelnupp_src ${hazelnupp_dir}/src/*.cpp)
# Add library GCrypt
SET(gcrypt_dir ../GCryptLib)
SET(gcrypt_include ${gcrypt_dir}/include)
FILE(GLOB gcrypt_src ${gcrypt_dir}/src/*.cpp)
FILE(GLOB main_src src/*.cpp)
add_executable(${PROJECT_NAME}
${main_src}
${stringtools_src}
${generalutility_src}
${hazelnupp_src}
${gcrypt_src}
)
target_include_directories(${PROJECT_NAME} PRIVATE
include
${stringtools_include}
${generalutility_include}
${hazelnupp_include}
${gcrypt_include}
)

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GCryptCLI/include/Bases.h Normal file
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#pragma once
#include <vector>
#include <string>
// Actually useful bases
static const std::vector<std::string> BASE_2 = { "0","1" };
static const std::vector<std::string> BASE_8 = { "0","1","2","3","4","5","6","7"};
static const std::vector<std::string> BASE_10 = { "0","1","2","3","4","5","6","7","8","9" };
static const std::vector<std::string> BASE_64 = { "A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9","+","/" };
// Fun bases
static const std::vector<std::string> BASE_UWU = {
"uwu",
"UwU",
"<3",
":P",
":p",
":o",
":O",
":3",
":)",
"^.^",
"^_^",
"^^",
"XD",
"XDD",
"XDDD",
"xD",
"xDD",
"xDDD",
"(*^.^*)",
"(*^_^*)",
"devewopa",
"cutieee",
"cutieees",
"cutewr",
"whiiiich",
"masta",
"mastaaaa",
"hiiiii",
"hewwo",
"soopa",
"doopa",
"favowite",
"kawaii",
"rawr",
"keewl",
"keeeewl",
"Owww",
"Awww",
"haaaai",
"haaaay",
"heeeey",
"heeeei",
"senpaiiii",
"i",
"nyeed",
"awe",
"youuu",
"twe",
"best",
"ruff",
"me",
"nyeko",
"eughh",
"snaffle",
"toot",
"whiffle",
"nappies",
"chiffchaff",
"kawaiisu",
"*winks*",
"*bites-lip*",
"*blushes*",
"*stutters*",
"*sweats*",
"uhh?!",
"uhh..?",
"nu-uh...",
"sweatr",
"comfy-womfy",
"oopsie-whoopsie",
"dewicious",
"tastieee",
"tasties",
"boop",
"smoochies",
"whiffskaws",
"chomp",
"toesy-woesies",
"smush",
"snuff",
"sniff",
"snaff",
"nyoo!",
"nyah!",
};
// Source: https://lakinkonieczny.wordpress.com/2012/12/06/dialogue-noises-agh-ugh-shh-and-so-much-more/
static const std::vector<std::string> BASE_UGH = {
"Agh!",
"Ugh",
"Shh!",
"Pft!",
"Aah!",
"Uaah!",
"Gah!",
"Grr...",
"Duh!",
"Psh!",
"Ah...",
"Er-",
"Huh...?",
"Uh-huh...",
"Nu-uh...",
"Bah!",
"Wha-?"
};

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#pragma once
#include <Hazelnupp/CmdArgsInterface.h>
class CommandlineInterface
{
public:
static void Init(const int argc, const char* const* argv);
static Hazelnp::CmdArgsInterface& Get();
private:
//! Special command compatibility checking unique to this app
static void SpecialCompatibilityChecking();
static void CrashWithMsg(const std::string& msg);
static void CatchVersionQueries();
CommandlineInterface() {};
static Hazelnp::CmdArgsInterface nupp;
};

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GCryptCLI/include/Version.h Normal file
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#pragma once
#define GHETTOCRYPTCLI_VERSION 0.1241

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GCryptCLI/readme.md Normal file
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# GCrypt CLI
Easy text and file encryption via the command line using Ghetto Crypt. Now supporting [*esoteric data formats*](#esoteric-data-formats)... :)
Again, please only use this as an obfuscator or if the only other option would be no encryption at all.
Do you want to quickly and securely encrypt stuff via the command line? Use openssl-cli with the aes cipher. It's a bit more wordy but much faster and more secure.
Still want to use Ghetto Crypt cli? Here ya go!
Just clone this repository, navigate into this directory and run `cmake . && make`. It shouuuld *\*crosses fingers\** just build.
If you want to use this globally, you could move it to `/usr/bin/`, or some other location in your $PATH.
## How do i use this?
All arguments and flags:
```
$ gecrypt --help
CLI for the ghettocrypt cipher/obfuscator
Copyright (c) 2022 Leon Etienne
Ghettocrypt v0.21
Ghettocrypt CLI v0.124
THIS IS EXPERIMENTAL SOFTWARE AND MUST BE CONSIDERED INSECURE. DO NOT USE THIS TO ENCRYPT SENSITIVE DATA! READ THE README FILES ACCESSIBLE AT "https://github.com/Leonetienne/GhettoCrypt/blob/master/readme.md" AND "https://github.com/Leonetienne/GhettoCrypt/blob/master/GhettoCryptCLI/readme.md"
==== AVAILABLE PARAMETERS ====
--iobase-8 VOID incompatibilities=[--iobase-2, --iobase-10, --iobase-64, --iobase-uwu, --iobase-ugh] Interpret and format ciphertexts in base8
--progress -p VOID Print digestion progress to stdout. May be advisable for large files, as the cipher is rather slow.
--cli-version VOID Will supply the version of ghettocrypt-cli used.
--keyfile -kf STRING incompatibilities=[--key, --keyask, --hash] Read in the first {KEYSIZE}(=512) bits of this file and use that as an encryption key. WARNING: Arguments may be logged by the system!
--iobase-2 VOID incompatibilities=[--iobase-8, --iobase-10, --iobase-64, --iobase-uwu, --iobase-ugh] Interpret and format ciphertexts in base2
--iobase-10 VOID incompatibilities=[--iobase-2, --iobase-8, --iobase-64, --iobase-uwu, --iobase-ugh] Interpret and format ciphertexts in base10
--iobase-ugh VOID incompatibilities=[--iobase-2, --iobase-8, --iobase-10, --iobase-64, --iobase-uwu] Interpret and format ciphertexts in base ugh
--iobase-uwu VOID incompatibilities=[--iobase-2, --iobase-8, --iobase-10, --iobase-64, --iobase-ugh] Interpret and format ciphertexts in base uwu
--iobase-64 VOID incompatibilities=[--iobase-2, --iobase-8, --iobase-10, --iobase-uwu, --iobase-ugh] Interpret and format ciphertexts in base64
--ostdout VOID incompatibilities=[--ofile, --hash] Output of digested files will be dumped to stdout instead of a file.
--encrypt -e VOID incompatibilities=[--decrypt, --hash] Use the encryption routine.
--infile -if STRING incompatibilities=[--intext] Encrypt this file. Saves as {filename}.crypt, if not specified otherwise.
--version -v VOID Will supply the version of ghettocrypt used.
--decrypt -d VOID incompatibilities=[--encrypt, --hash] Use decryption routine.
--hash -h VOID incompatibilities=[--encrypt, --decrypt] Use the ghetto cipher as a hash digest.
--intext -it STRING incompatibilities=[--infile] Encrypt this string. Dumps to stdout.
--ofile -o STRING incompatibilities=[--ostdout, --hash] Use this filename for output if --infile is specified. Gets ignored otherwise.
--keyask -ka VOID incompatibilities=[--key, --keyfile, --hash] Read the encryption key from stdin.
--key -k STRING incompatibilities=[--keyfile, --keyask, --hash] Use this value as a password to extrapolate the encryption key. WARNING: Arguments may be logged by the system!
```
### Examples
Please note that commonly used arguments are supplied in their short form (`-e` in place of `--encrypt`).
#### I want to encrypt text!
```sh
$ gecrypt -e --keyask --intext "hello, world!"
efbebc429c8370bf84f00b0d8ccbaf7858b3b87d71ff58cb1cfefa8fb0c68094c0865565873aa8a5254ede59be46e81a4d4917e679b18cb290dbd6669cb6207a
```
#### Now decrypt it
```sh
$ gecrypt -d --keyask --intext "efbebc429c8370bf84f00b0d8ccbaf7858b3b87d71ff58cb1cfefa8fb0c68094c0865565873aa8a5254ede59be46e81a4d4917e679b18cb290dbd6669cb6207a"
hello, world!
```
#### What about not using hex?
> :warning: Custom bases are super imperformant.
> Encrypting all text in main.cpp took about two seconds.
> Outputting it in base-64 took just over ONE MINUTE. In base-2 over SEVEN MINUTES. The general trend seems to be, the larger the base, the better it performs.
```sh
$ gecrypt -e --keyask --intext "hello, world!" --iobase-2
111001001011100000011111000100010100110011100110000100100101001001110001001000101011110000000011011100001010111010001000110111110110011011100000001100110001001000100111011000101010010001011011111011001000011111100100101001011110011101110001010011000101011001111010000001001100101110000101101101101001110100100001101010111101010000100111101110000110011101100101101011000011101001000011010010011001111010001001101000101001100101010000100010111101101100010000000001001110010001001011001001011011010111001101000100
$ gecrypt -e --keyask --intext "hello, world!" --iobase-8
71134037042463460445116110536003341272106766334014611047305221337310374451363561230531720114560555516441527520475606354553035103223172115051452042755420011621131133271504
$ gecrypt -e --keyask --intext "hello, world!" --iobase-10
2994749439449970047518881970731547473115480925772565399786126223459744370490386223437520234266936877059618216185983047971748564015130703048737306773910340
$ gecrypt -e --keyask --intext "hello, world!" --iobase-64
Co/WjpV5nPrCaz0QMdrXAXzzOH5HODRsBNL22KZowmGMcTLwfmsQpzt7Ik+ViR5vOhUXowFQeR5x2vbcj1X5ae
```
I won't be pasting in stdout for every example. It would become too cluttered.
#### Passing the key as an argument
```sh
$ gecrypt -e --key "secretpassword" --intext "hello, world!"
```
> :warning: Some operating systems will log cli arguments! THIS WOULD BE THE ENTIRE KEY!
#### Using keyfiles
```sh
$ gecrypt -e --keyfile "dog.jpg" --intext "hello, world!"
```
> :warning: Some operating systems will log cli arguments! One might find your keyfile!
#### Encrypting files
```sh
$ gecrypt -e --keyask --infile "cat.jpg"
```
File `cat.jpg.crypt` will be created.
#### Encrypting files to a target file name
```sh
$ gecrypt -e --keyask --infile "cat.jpg" -o "encrypted_cat.jpg"
```
File `encrypted_cat.jpg` will be created.
#### Decrypting files
```sh
$ gecrypt -d --keyask --infile "cat.jpg.crypt"
```
File `cat.jpg.crypt.plain` will be created. Its contents match `cat.jpg`
> :warning: Since this is a block cipher, decrypted files may be tailpadded with a few nullbytes.
#### Decrypting files to a target file name
```sh
$ gecrypt -d --keyask --infile "cat.jpg.crypt" -o "decrypted_cat.jpg"
```
File `decrypted_cat.jpg` will be created. You can now open it again.
#### Encrypting large files takes time. How's the progress?
```sh
$ gecrypt -e --keyask --infile "cat.jpg" --progress
```
Something along the lines of `Encrypting... (Block 200 / 1148 - 17.4216%)` will be regularly, but not too often, printed to stdout.
#### Any cipher can also compute hashsums
```sh
$ gecrypt -h --intext "hello, world!"
a96f42c9d97e46b9e1ed7de5182770170d4ef9b7b8264f3fbd89b38dc60c1fe06232653f5856013307fc020fb1d35f2bea26bc0f373c5ac35a722c6b03d8254d
$ gecrypt -h --infile "cat.jpg"
fe6bdfb6ec39771c4fdcdc40e52397bcd67fbfef0ad5a15ebbd8b9e4c2a815848b3984eda5ef6f727e9e420c23500c90c42ab80ac5659048be8969357741e3e5
```
The hashsum will always be of size BLOCK_SIZE. That is 512 bits by default.
> :warning: Calculating a hashsum takes about twice as long as regular encryption.
#### What version am i running?
Depending on wether you want to know the GhettoCrypt version or the CLI's version, use either `--version` or `--cli-version`. It will print out a floating point number.
#### I want to stream the output of file en/decryption.
You can dump the binary result to stdout. In this example, we'll stream it into a jpg file,
but you could stream it to whatever you'd like.
```sh
$ gecrypt -d --keyask --infile "cat.jpg.crypt" --ostdout > "decrypted_cat.jpg"
```
## Esoteric data formats
#### Base *UwU*
```sh
$ gecrypt -e --keyask --intext "hello, world!" --iobase-uwu
:) sewnpaiii tastieee uhh?! nappies cutewr twe best cutieee :O tastieee senpaiiiw favowite toesy-woesies ^.^ :3 best chomp whiffle uwu Awww sewnpaiii comfy-womfy :p keewl Awww youuu nyeko :O tasties hiiiii heeeey (*^_^*) youuu toot uhh..? smush (*^_^*) *bites-lip* whiffle haaaay nyah! comfy-womfy :) cutsie Owww haaaay snaffle haaaai haaaai nyeko *sweats* :) uhh..? boop toot *bites-lip* <3 whiiiich whiffskaws ^.^ twe whiffskaws hiiiii *sweats* Owww dewicious i tasties :P awe hewwo boop rawr uwu dewicious eughh twe cutsie xD
```
#### Base **UGH!**
```sh
$ gecrypt -e --keyask --intext "hello, world!" --iobase-ugh
Grr... Wha-? Aah! Aah! Uh-huh... Aah! Grr... Aah! Aah! Uh-huh... Ah... Ugh Grr... Ugh Pft! Nu-uh... Gah! Bah! Huh...? Ah... Uh-huh... Wha-? Pft! Nu-uh... Ugh Wha-? Psh! Agh! Ah... Aah! Nu-uh... Psh! Pft! Nu-uh... Psh! Shh! Gah! Ah... Pft! Gah! Shh! Bah! Gah! Uh-huh... Gah! Duh! Aah! Uh-huh... Er- Nu-uh... Gah! Wha-? Pft! Er- Shh! Ah... Huh...? Er- Wha-? Uh-huh... Ah... Shh! Ugh Bah! Wha-? Uaah! Ah... Nu-uh... Uh-huh... Ugh Pft! Pft! Gah! Shh! Shh! Wha-? Bah! Ugh Grr... Aah! Pft! Nu-uh... Ah... Aah! Agh! Er- Psh! Uaah! Nu-uh... Ugh Wha-? Uh-huh... Shh! Pft! Aah! Agh! Grr... Agh! Agh! Grr... Pft! Wha-? Wha-? Uh-huh... Aah! Ugh Aah! Pft! Gah! Bah! Huh...? Ugh Bah! Uaah! Gah! Bah! Duh! Duh! Uh-huh... Grr... Ah... Grr... Ugh Ah... Pft!
```
## LICENSE
```
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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The licenses for most software and other practical works are designed
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```

171
GCryptCLI/src/CommandlineInterface.cpp Normal file
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#include "CommandlineInterface.h"
#include <iostream>
#include <sstream>
#include <GCrypt/Version.h>
#include <GCrypt/Config.h>
#include "Version.h"
using namespace Hazelnp;
using namespace Leonetienne;
void CommandlineInterface::Init(int argc, const char* const* argv)
{
/* General information */
std::stringstream ss;
ss << "CLI for the gcrypt cipher/obfuscator" << std::endl
<< "Copyright (c) 2022 Leon Etienne" << std::endl
<< "GCrypt v" << GHETTOCRYPT_VERSION << std::endl
<< "GCrypt CLI v" << GHETTOCRYPTCLI_VERSION << std::endl
<< "THIS IS EXPERIMENTAL SOFTWARE AND MUST BE CONSIDERED INSECURE. DO NOT USE THIS TO ENCRYPT SENSITIVE DATA! READ THE README FILES ACCESSIBLE AT \"https://gitea.leonetienne.de/leonetienne/GCrypt\"";
nupp.SetBriefDescription(ss.str());
ss.str("");
nupp.SetCatchHelp("true");
nupp.SetCrashOnFail("true");
/* Builtin documentation */
nupp.RegisterDescription("--encrypt", "Use the encryption routine.");
nupp.RegisterConstraint("--encrypt", ParamConstraint(true, DATA_TYPE::VOID, {}, false, {"--decrypt", "--hash" }));
nupp.RegisterAbbreviation("-e", "--encrypt");
nupp.RegisterDescription("--decrypt", "Use decryption routine.");
nupp.RegisterConstraint("--decrypt", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--encrypt", "--hash" }));
nupp.RegisterAbbreviation("-d", "--decrypt");
nupp.RegisterDescription("--hash", "Use the ghetto cipher as a hash digest.");
nupp.RegisterConstraint("--hash", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--encrypt", "--decrypt" }));
nupp.RegisterAbbreviation("-h", "--hash");
nupp.RegisterDescription("--intext", "Encrypt this string. Dumps to stdout.");
nupp.RegisterConstraint("--intext", ParamConstraint(true, DATA_TYPE::STRING, {}, false, { "--infile" }));
nupp.RegisterAbbreviation("-it", "--intext");
nupp.RegisterDescription("--infile", "Encrypt this file. Saves as {filename}.crypt, if not specified otherwise.");
nupp.RegisterConstraint("--infile", ParamConstraint(true, DATA_TYPE::STRING, {}, false, { "--intext" }));
nupp.RegisterAbbreviation("-if", "--infile");
nupp.RegisterDescription("--ofile", "Use this filename for output if --infile is specified. Gets ignored otherwise.");
nupp.RegisterConstraint("--ofile", ParamConstraint(true, DATA_TYPE::STRING, {}, false, { "--ostdout", "--hash" }));
nupp.RegisterAbbreviation("-of", "--ofile");
nupp.RegisterAbbreviation("-o", "--ofile");
nupp.RegisterDescription("--ostdout", "Output of digested files will be dumped to stdout instead of a file.");
nupp.RegisterConstraint("--ostdout", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--ofile", "--hash" }));
nupp.RegisterDescription("--key", "Use this value as a password to extrapolate the encryption key. WARNING: Arguments may be logged by the system!");
nupp.RegisterConstraint("--key", ParamConstraint(true, DATA_TYPE::STRING, {}, false, { "--keyfile", "--keyask", "--hash" }));
nupp.RegisterAbbreviation("-k", "--key");
ss << "Read in the first {KEYSIZE}(=" << GCrypt::BLOCK_SIZE << ") bits of this file and use that as an encryption key. WARNING: Arguments may be logged by the system!";
nupp.RegisterDescription("--keyfile", ss.str());
ss.str("");
nupp.RegisterConstraint("--keyfile", ParamConstraint(true, DATA_TYPE::STRING, {}, false, { "--key", "--keyask", "--hash" }));
nupp.RegisterAbbreviation("-kf", "--keyfile");
nupp.RegisterDescription("--keyask", "Read the encryption key from stdin.");
nupp.RegisterConstraint("--keyask", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--key", "--keyfile", "--hash" }));
nupp.RegisterAbbreviation("-ka", "--keyask");
nupp.RegisterDescription("--progress", "Print digestion progress to stdout. May be advisable for large files, as the cipher is rather slow.");
nupp.RegisterConstraint("--progress", ParamConstraint(true, DATA_TYPE::VOID, {}, false, {}));
nupp.RegisterAbbreviation("-p", "--progress");
nupp.RegisterDescription("--iobase-2", "Interpret and format ciphertexts in base2");
nupp.RegisterConstraint("--iobase-2", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--iobase-8", "--iobase-10", "--iobase-64", "--iobase-uwu", "--iobase-ugh" }));
nupp.RegisterDescription("--iobase-8", "Interpret and format ciphertexts in base8");
nupp.RegisterConstraint("--iobase-8", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--iobase-2", "--iobase-10", "--iobase-64", "--iobase-uwu", "--iobase-ugh" }));
nupp.RegisterDescription("--iobase-10", "Interpret and format ciphertexts in base10");
nupp.RegisterConstraint("--iobase-10", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--iobase-2", "--iobase-8", "--iobase-64", "--iobase-uwu", "--iobase-ugh" }));
nupp.RegisterDescription("--iobase-64", "Interpret and format ciphertexts in base64");
nupp.RegisterConstraint("--iobase-64", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--iobase-2", "--iobase-8", "--iobase-10", "--iobase-uwu", "--iobase-ugh" }));
nupp.RegisterDescription("--iobase-uwu", "Interpret and format ciphertexts in base uwu");
nupp.RegisterConstraint("--iobase-uwu", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--iobase-2", "--iobase-8", "--iobase-10", "--iobase-64", "--iobase-ugh" }));
nupp.RegisterDescription("--iobase-ugh", "Interpret and format ciphertexts in base ugh");
nupp.RegisterConstraint("--iobase-ugh", ParamConstraint(true, DATA_TYPE::VOID, {}, false, { "--iobase-2", "--iobase-8", "--iobase-10", "--iobase-64", "--iobase-uwu" }));
nupp.RegisterDescription("--version", "Will supply the version of ghettocrypt used.");
nupp.RegisterConstraint("--version", ParamConstraint(true, DATA_TYPE::VOID, {}, false, {}));
nupp.RegisterAbbreviation("-v", "--version");
nupp.RegisterDescription("--cli-version", "Will supply the version of ghettocrypt-cli used.");
nupp.RegisterConstraint("--cli-version", ParamConstraint(true, DATA_TYPE::VOID, {}, false, {}));
/* Now parse */
nupp.Parse(argc, argv);
CatchVersionQueries();
SpecialCompatibilityChecking();
return;
}
Hazelnp::CmdArgsInterface& CommandlineInterface::Get()
{
return nupp;
}
void CommandlineInterface::SpecialCompatibilityChecking()
{
// Encryption key
// Do we have EITHER --hash (no key required), --key, --keyask or --keyfile given?
if (
(!nupp.HasParam("--hash")) &&
(!nupp.HasParam("--key")) &&
(!nupp.HasParam("--keyfile")) &&
(!nupp.HasParam("--keyask"))
)
CrashWithMsg("No encryption key supplied! Please supply either --key, --keyfile, or --keyask!");
// Encryption input
// Do we have EITHER --intext or --infile?
if (
(!nupp.HasParam("--intext")) &&
(!nupp.HasParam("--infile"))
)
CrashWithMsg("No encryption input supplied! Please supply either --intext or --infile!");
// Encryption mode
// Do we have EITHER --encrypt or --decrypt or --hash?
if (
(!nupp.HasParam("--hash")) &&
(!nupp.HasParam("--encrypt")) &&
(!nupp.HasParam("--decrypt"))
)
CrashWithMsg("No encryption mode supplied! Please supply either --encrypt, --decrypt, or --hash!");
return;
}
void CommandlineInterface::CrashWithMsg(const std::string& msg)
{
std::cerr
<< nupp.GetBriefDescription()
<< std::endl
<< "Fatal error! Unable to continue! More information:" << std::endl
<< msg << std::endl;
exit(-1);
}
void CommandlineInterface::CatchVersionQueries()
{
if (nupp.HasParam("--version"))
{
std::cout << GHETTOCRYPT_VERSION << std::endl;
exit(0);
}
else if (nupp.HasParam("--cli-version"))
{
std::cout << GHETTOCRYPTCLI_VERSION << std::endl;
exit(0);
}
return;
}
CmdArgsInterface CommandlineInterface::nupp;

420
GCryptCLI/src/main.cpp Normal file
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#include <iostream>
#include <fstream>
#include <cstring>
#include <sstream>
#include <vector>
#include <GCrypt/Util.h>
#include <GCrypt/Config.h>
#include <GCrypt/Cipher.h>
#include <GCrypt/Flexblock.h>
#include <GCrypt/Block.h>
#include "CommandlineInterface.h"
#include "Bases.h"
#include <GeneralUtility/BaseConversion.h>
#include <StringTools/StringTools.h>
// Required for hidden password input
#if defined _WIN32 || defined _WIN64
#include <Windows.h>
#elif defined __GNUG__
#include <termios.h>
#include <unistd.h>
#endif
using namespace ::Leonetienne::GCrypt;
using namespace ::Leonetienne::StringTools;
using namespace ::Leonetienne::GeneralUtility;
enum class OPERATION_MODE {
ENCRYPT,
DECRYPT,
HASH
};
namespace {
inline std::string Bin2CustomBase(const std::string& bin, const std::vector<std::string>& customSet, const std::string& seperator = "")
{
std::stringstream ss;
// Translate to custom set
const std::vector<std::string> vec_base_custom =
Leonetienne::GeneralUtility::BaseConversion::BaseX_2_Y<std::string, std::vector<std::string>>(bin, "01", customSet);
// Convert to string
for (std::size_t i = 0; i < vec_base_custom.size(); i++)
{
ss << vec_base_custom[i];
if (i != vec_base_custom.size() - 1)
ss << seperator;
}
return ss.str();
}
inline std::string CustomBase2Bin(const std::string& in, const std::vector<std::string>& customSet, const std::string& seperator = "")
{
// Split input into symbols
const std::vector<std::string> in_symbols = StringTools::Split(in, seperator);
// Translate to binary
std::string binary =
Leonetienne::GeneralUtility::BaseConversion::BaseX_2_Y<std::vector<std::string>, std::string>(in_symbols, customSet, std::string("01"));
// Apply padding to be a multiple of BLOCK_SIZE
// Count how many bits we need
std::size_t required_size = 0;
while (required_size < binary.length())
required_size += BLOCK_SIZE;
// Create a string of that many zeroes
std::string padding = "";
for (std::size_t i = binary.length(); i < required_size; i++)
padding += "0";
// Prepend it to our bitstring
binary = padding + binary;
return binary;
}
}
//! Will prompt a user password from stdin, hiding the input
std::string PasswordPrompt()
{
// Disable stdin-echo
#if defined _WIN32 || defined _WIN64
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
DWORD mode = 0;
GetConsoleMode(hStdin, &mode);
SetConsoleMode(hStdin, mode & (~ENABLE_ECHO_INPUT));
#elif defined __GNUG__
termios oldt;
tcgetattr(STDIN_FILENO, &oldt);
termios newt = oldt;
newt.c_lflag &= ~ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
#endif
// Prompt stdin
std::string key;
std::cin >> key;
// Restore previous config
#if defined _WIN32 || defined _WIN64
SetConsoleMode(hStdin, mode);
#elif defined __GNUG__
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
#endif
// Return input
return key;
}
Block GetEncryptionKey()
{
// Easy-case: key supplied as param
if (CommandlineInterface::Get().HasParam("--key"))
return PasswordToKey(CommandlineInterface::Get()["--key"].GetString());
// Case: Ask for key
else if (CommandlineInterface::Get().HasParam("--keyask"))
return PasswordToKey(PasswordPrompt());
// Case: Read key from file
else if (CommandlineInterface::Get().HasParam("--keyfile"))
{
const std::string keyfilepath = CommandlineInterface::Get()["--keyfile"].GetString();
// Read this many chars
const std::size_t maxChars = BLOCK_SIZE / 8;
// Open ifilestream for keyfile
std::ifstream ifs(keyfilepath, std::ios::in | std::ios::binary);
// Is the file open now? Or were there any issues...
if (!ifs.good())
{
std::cerr << "Unable to open ifilestream for keyfile \"" << keyfilepath << "\"! Aborting..." << std::endl;
exit(-1);
}
// Read these chars to buffer
char* ckeyfileContent = new char[maxChars];
memset(ckeyfileContent, 0, maxChars * sizeof(char));
ifs.read(ckeyfileContent, maxChars);
ifs.close();
// Convert the buffer to a bit block of key size
std::stringstream ss;
for (std::size_t i = 0; i < maxChars; i++)
ss << std::bitset<8>(ckeyfileContent[i]);
Block key(ss.str());
// And delete the buffer
delete[] ckeyfileContent;
ckeyfileContent = nullptr;
// Return it
return key;
}
// Unreachable
throw std::runtime_error("This code should not have been reached. Most likely, the cli argument parser failed making sure at least one key method was supplied.");
}
const Flexblock GetInputText(const OPERATION_MODE operationMode)
{
// Easy-case: input text supplied as param
if (CommandlineInterface::Get().HasParam("--intext")) {
switch (operationMode) {
// Encryption, or hashing mode: We want to return the text as-is, as bits
case OPERATION_MODE::ENCRYPT:
case OPERATION_MODE::HASH:
return StringToBits(CommandlineInterface::Get()["--intext"].GetString());
// Decryption mode: We need to first convert our input to a bitstring
case OPERATION_MODE::DECRYPT:
const std::string userInput = CommandlineInterface::Get()["--intext"].GetString();
// Are we using iobase 2?
if (CommandlineInterface::Get().HasParam("--iobase-2"))
// Yes: convert to binary from base 2
return CustomBase2Bin(userInput, BASE_2);
// Are we using iobase 8?
else if (CommandlineInterface::Get().HasParam("--iobase-8"))
// Yes: convert to binary from base 8
return CustomBase2Bin(userInput, BASE_8);
// Are we using iobase 10?
else if (CommandlineInterface::Get().HasParam("--iobase-10"))
// Yes: convert to binary from base 10
return CustomBase2Bin(userInput, BASE_10);
// Are we using iobase 64?
else if (CommandlineInterface::Get().HasParam("--iobase-64"))
// Yes: convert to binary from base 64
return CustomBase2Bin(userInput, BASE_64);
// Are we using iobase uwu?
else if (CommandlineInterface::Get().HasParam("--iobase-uwu"))
// Yes: convert to binary from base uwu
return CustomBase2Bin(userInput, BASE_UWU, " ");
// Are we using iobase emoji?
else if (CommandlineInterface::Get().HasParam("--iobase-ugh"))
// Yes: convert to binary from base ugh
return CustomBase2Bin(userInput, BASE_UGH, " ");
// Else, no special output format specified, use hex
else
return HexstringToBits(userInput);
}
}
// Case: Read from file
else if (CommandlineInterface::Get().HasParam("--infile"))
return ReadFileToBits(CommandlineInterface::Get()["--infile"].GetString());
// Unreachable
throw std::runtime_error("This code should not have been reached. Most likely, the cli argument parser failed making sure at least one input method was supplied.");
}
const std::string GetOutfileName(const OPERATION_MODE operationMode)
{
// Do we have an output file name specified?
// Use it.
if (CommandlineInterface::Get().HasParam("--ofile"))
return CommandlineInterface::Get()["--ofile"].GetString();
// Else: append a custom postfix to the inputs filename
else
return CommandlineInterface::Get()["--infile"].GetString() +
(operationMode == OPERATION_MODE::ENCRYPT ? ".crypt" : ".plain");
}
int main(int argc, char** argv)
{
// Init cmdargs
CommandlineInterface::Init(argc, argv);
// Get operation modes
OPERATION_MODE opMode;
if (CommandlineInterface::Get().HasParam("--encrypt"))
opMode = OPERATION_MODE::ENCRYPT;
else if (CommandlineInterface::Get().HasParam("--hash"))
opMode = OPERATION_MODE::HASH;
else if (CommandlineInterface::Get().HasParam("--decrypt"))
opMode = OPERATION_MODE::DECRYPT;
else
// Unreachable
throw std::runtime_error("This code should not have been reached. Most likely, the cli argument parser failed making sure at least one mode of operation (-e, -d, -h) was supplied.");
const bool isFileMode = CommandlineInterface::Get().HasParam("--infile");
const bool printDigestionProgress = CommandlineInterface::Get().HasParam("--progress");
// Digest
Flexblock output;
switch (opMode) {
case OPERATION_MODE::ENCRYPT: {
// Gather input and key
const Block encryptionKey = GetEncryptionKey();
const Flexblock input = GetInputText(opMode);
// Create cipher
Cipher cipher(encryptionKey);
// Run it
output = cipher.Encipher(input, printDigestionProgress);
break;
}
case OPERATION_MODE::DECRYPT: {
// Gather input and key
const Block encryptionKey = GetEncryptionKey();
const Flexblock input = GetInputText(opMode);
// Create cipher
Cipher cipher(encryptionKey);
// Run it
output = cipher.Decipher(input, printDigestionProgress);
break;
}
case OPERATION_MODE::HASH: {
// Gather input
Flexblock input = GetInputText(opMode);
// Also add an extra left-padded block with the length of the input,
// to make sure, H(n) != H(n + 0x0)
input += PadStringToLength(Block(input.size()).to_string(), BLOCK_SIZE, '0');
// Derive an encryption key
// This is quiet sensitive, because it absolutely MUST be impossible
// to acquire K without already knowing M.
// This alone is making this cipher a one-way function.
// Just reducing the output is not a solution, because: If len(input) <= BLOCK_SIZE: H(m) = E(m)_k ^ k, with k being 0 <= k <= BLOCK_SIZE. That's not good.
//
// So here's what we're doing:
// - We're going to take the first BLOCK_SIZE bits of the input (it's length is at least that because of the size embedding)
// - We're creating a sudo-random initialization vector, seeded with this block.
// - That's our encryption key.
// This way, the encryption key can only be obtained by already knowing the first BLOCK_SIZE bits of the cleartext.
// By not taking in ALL the bits for deriving a key, we're saving a LOT on performance, as otherwise we would basically be encrypting the input THREE times.
// Why create an initialization vector at all? To make sure, even an input of only zeroes would provide a strong key
const Block encryptionKey = InitializationVector(
Block(input.substr(0, BLOCK_SIZE))
);
// Create cipher
Cipher cipher(encryptionKey);
// Run it
output = cipher.Encipher(input, printDigestionProgress);
if (printDigestionProgress) {
std::cout << "Done encrypting... Applying reduction function on ciphertext..." << std::endl;
std::cout << "This will take about just as long..." << std::endl;
}
// Reduce output to a single block
output = ReductionFunction_Flexblock2Block(output).to_string();
break;
}
}
// Now output the darn thing.
// Outputting to a file (only if not hashing)
if ((isFileMode) && (opMode != OPERATION_MODE::HASH))
{
// File mode is a bit different.
// Dump to stdout?
if (CommandlineInterface::Get().HasParam("--ostdout"))
{
const std::string outstr = BitsToBytes(output);
// We have to print char-by-char to prevent a nullbyte terminating output.
for (std::size_t i = 0; i < outstr.size(); i++)
std::cout << outstr[i];
}
// Else: Dump to file
else
{
const std::string outfileName = GetOutfileName(opMode);
WriteBitsToFile(outfileName, output);
}
}
// Else: we are just dealing with a string, or want to print a hashsum
else
{
switch (opMode) {
case OPERATION_MODE::ENCRYPT:
case OPERATION_MODE::HASH: {
// We are encrypting or hashing:
// Output to stdout as a formatted bytestring
std::string formattedCiphertext;
// Are we using iobase 2?
if (CommandlineInterface::Get().HasParam("--iobase-2"))
// Yes: convert hex to base 2
formattedCiphertext = Bin2CustomBase(output, BASE_2);
// Are we using iobase 8?
else if (CommandlineInterface::Get().HasParam("--iobase-8"))
// Yes: convert binary to base 8
formattedCiphertext = Bin2CustomBase(output, BASE_8);
// Are we using iobase 10?
else if (CommandlineInterface::Get().HasParam("--iobase-10"))
// Yes: convert binary to base 10
formattedCiphertext = Bin2CustomBase(output, BASE_10);
// Are we using iobase 64?
else if (CommandlineInterface::Get().HasParam("--iobase-64"))
// Yes: convert binary to base 64
formattedCiphertext = Bin2CustomBase(output, BASE_64);
// Are we using iobase uwu?
else if (CommandlineInterface::Get().HasParam("--iobase-uwu"))
// Yes: convert binary to base 64
formattedCiphertext = Bin2CustomBase(output, BASE_UWU, " ");
// Are we using iobase ugh?
else if (CommandlineInterface::Get().HasParam("--iobase-ugh"))
// Yes: convert binary to base 64
formattedCiphertext = Bin2CustomBase(output, BASE_UGH, " ");
// Else, no special output format specified, use hex
else
formattedCiphertext = BitsToHexstring(output);
std::cout << formattedCiphertext << std::endl;
break;
}
case OPERATION_MODE::DECRYPT:
// We are just decrypting:
// Just print it string-formatted
std::cout << BitsToString(output) << std::endl;
break;
}
}
return 0;
}