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LibTomCrypt RSA digital signatures how-to

License: Other

C++ 34.92% Shell 0.85% C 3.21% Makefile 53.38% Perl 7.64%

libtomcrypt libtommath rsa rsa-key rsa-sign rsa-signature how-to howto rsa-key-pair

libtomcrypt-rsa-howto's Introduction

LIBTOMCRYPT RSA DIGITAL SIGNATURES HOW-TO

This how-to describes how to implement RSA digital signatures using
LibTomCrypt (and LibTomMath) on Windows and macOS.

GETTING STARTED

1. Get LibTomMath and LibTomCrypt

   git clone https://github.com/TaleTN/libtommath.git
   git clone https://github.com/TaleTN/libtomcrypt.git

2. Remove unused source files (optional)

   perl remove_unused.pl --force

3. Build LibTomMath and LibTomCrypt

   [n]make [-f makefile.msvc]

4. Generate public/private key pair

   [n]make [-f makefile.msvc] key

5. Run sign and verify examples

   [n]make [-f makefile.msvc] test

6. Have fun!

FILES IN THIS DISTRIBUTION

dertoh.cpp       - Utility that converts DER to C/C++ header file format, so
                   you can directly include the public key in a C/C++ source
                   file.
dertopem.sh      - Bash script that uses OpenSSL to convert the public and
                   private key pair from DER to PEM file format.
error.h          - Helper routines for rsa_make_key.cpp, rsa_sign.cpp, and
                   rsa_verify.cpp.
LICENSE          - License, duh!
makefile         - GCC/Clang makefile.
makefile.msvc    - Microsoft C/C++ makefile.
README           - <-- You are here.
remove_unused.pl - Perl script that removes all unused LibTomMath and
                   LibTomCrypt files.
rsa_make_key.cpp - Example that generates a public and private key pair.
rsa_sign.cpp     - Example that signs a message.
rsa_verify.cpp   - Example that verifies a signature.

LICENSE

Copyright (C) 2015-2021 Theo Niessink <[email protected]>
This work is free. You can redistribute it and/or modify it under the
terms of the Do What The Fuck You Want To Public License, Version 2,
as published by Sam Hocevar. See the LICENSE file for more details.

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energid cool-tomato mitek-kwu anewtonarenanet

libtomcrypt-rsa-howto's Issues

Sorry but can you tell me how to use it?

I came across your git while doing a google search to use libtomcrypt on an embedded system.

I want to use libtomcrypt in windows environment.

However, even if I download it from git, I do not have the Visual Studio 2008 version.
Also, other visual studios do not have a version.

I want to get a lib and run it in another program... I'm not sure from your kind explanation.

GETTING STARTED

1. Get LibTomMath and LibTomCrypt - Success √

git clone https://github.com/TaleTN/libtommath.git
git clone https://github.com/TaleTN/libtomcrypt.git

Remove unused source files (optional) - Fail...

perl remove_unused.pl --force
Build LibTomMath and LibTomCrypt

[n]make [-f makefile.msvc]
Generate public/private key pair

[n]make [-f makefile.msvc] key
Run sign and verify examples

[n]make [-f makefile.msvc] test
Have fun! :(

Can you explain a little more?

I proceeded with step 1 below, and additionally downloaded your git and unzipped it.

The folders I currently have are "libtomcrypt", "libtommath", and "libtomcrypt-rsa-howto".

If you execute "perl remove_unused.pl --force" in step 2, the following error appears.

Can't stat libtommath: No such file or directory
at remove_unused.pl line 54.
Can't stat libtomcrypt: No such file or directory
at remove_unused.pl line 54.

how can i solve it...

taletn / libtomcrypt-rsa-howto Goto Github PK

libtomcrypt-rsa-howto's Introduction

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libtomcrypt-rsa-howto's Issues

Sorry but can you tell me how to use it?

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