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Questions tagged [botan]

Botan is a BSD-licensed crypto library for C++ applications. It provides access to most major cryptographic algorithms.

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Botan::DSA_PrivateKey to DSA_PublicKey how to?

I've succeeded with creating a new DSA_PrivateKey and Botan::PKCS8::PEM_encode to save to a .pem file. Now I need to save the PublicKey to a separate .pem also. Anybody know how to copy the DSA_PrivateKey to a DSA_PublicKey? I tried many different…
asic
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Botan::AutoSeeded_RNG / m128i _mm_shuffle_epi8 : target specific option mismatch

This is my first time trying Botan, so the strategy is to try get one thing work first, one at a time. The first thing I'm doing is simply: #include class Myclass { ... Botan::AutoSeeded_RNG rng; } All the .h files in…
asic
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How to build Botan for iOS arm64

Im trying to build Botan-1.10.12 for iOS (arch arm64) with Xcode 7.3.1. I tried to follow the guidelines on Botan's website: https://github.com/randombit/botan/blob/master/doc/manual/building.rst#for-ios-using-xcode With some changes, I managed to…
LavaCharizard
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Identifier "unlock" is undefined

In this example code http://botan.randombit.net/manual/fpe.html there is a method that I am trying to use in a Visual C++ managed wrapper, but I keep getting compile error on the 'unlock' What is this? (could it be mutex::unlock) And how can i…
erotavlas
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Botan 1.10.9 SecureVector to std::vector bad_alloc

I have this strange error in botan 1.10.9. When I want to store the private key bytes vector and the publics key byte vector i get an std::bad_alloc error. Could it be that is not possible to initialize a std::vector from the SecureVector from…
Sebastian
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Boost Test and QtTest memory access violation with Botan

I've been struggling with this and so far couldn't make it work. A simple main using botan works fine, but when i put the same code in a unittest it fails. // keygeneration_test.cpp #define BOOST_TEST_DYN_LINK #include …
Sebastian
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Openssl RSA Key generation

I have a client which talks to a server and communication is encrypted using RSA and AES combination. The RSA key pair which I had generated was without passphrase. So, to make it secure I recently added the passphrase. Every thing works fine server…
adnan kamili
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botan Segmentation fault

How to avoid memory leacks in this example? I am new in Botan... I am using : -Cygwin -Cmake -botan 1.8 version #include using namespace std; #include #include int main(int argc, char ** argv) { try { …
Szymon Madera
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How to compile botan library on linux in 64-bit mode

I wanted to compile botan library version Botan-1.10.1 on linux for 64-bit mode. Please tell me steps for compiling the botan on linux in 64-bit mode.
Abhishek Panse
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mingw failing to create libbotan.a

I am trying to build botan from official sources using: D:\Qt\5.2.1\mingw48_32>python configure.py --cc=gcc --os=mingw --cpu=i386 --without-boost all goes good, but when i use mingw32-make it ends at: process_begin: CreateProcess(NULL, rm -f…
Van Assassin
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Getting a Botan library test program to compile under Windows 7 (MinGW, Code::Blocks)

I have been trying in vain to get this test program to compile #include int main() { Botan::LibraryInitializer init; } I have downloaded library source from the website. I ran configure.py, which ran fine. I…
MadOgre
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Incompatible AES implementation between Botan and phpseclib

I'm using Botan library for AES encryption/decryption in C++. I cannot use the output of Botan in phpseclib with accurate results. I would appreciate if someone points me a working code for interoperability between Botan and phpseclib or any other…
Marcus Frenkel
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How to perform asymmetric encryption with Botan

I'm using Botan to generate a hash, perform encryption with AES256, and now I want to perform asymmetric encryption with that. Reading this page: http://botan.randombit.net/pubkey.html. I created a code to generate the public and private keys for…
user1576869
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How to get encryption/decryption progress when encrypt big files with botan in Qt

I have the code below to encrypt and decrypt file with botan in Qt. When encrypt big files it spend a lot of time, and i want to get the number of processed bytes when encrypting/decrypting big files. Is it possible? void…
user1576869
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Convert Botan SHA256 output to base64 to match .NET SHA256Managed().ComputeHash()

I'm porting a portion of a .NET application to Qt on Linux. I am trying to replicate the results of a .NET function to create the SHA-256 hash of a password + salt. The .NET code is return new SHA256Managed().ComputeHash(buffer); I have code that…
DarwinIcesurfer
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