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removed cryptopp, openssl shall be used instead for blinding (but not implemented yet)

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This commit is contained in:
Gulliver 2024-07-14 10:18:41 +02:00
parent 96d25a0a9a
commit 2a33e41376
2 changed files with 200 additions and 201 deletions
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21
CMakeLists.txt
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@ -7,6 +7,7 @@ enable_language(CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_EXPORT_COMPILE_COMMANDS On)
set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
@ -52,16 +53,16 @@ if(NOT expected_POPULATED)
endif(NOT expected_POPULATED)
# add crypt++ (+cmake) library
set(CRYPTOPP_BUILD_TESTING Off)
set(CRYPTOPP_INSTALL Off)
#set(CRYPTOPP_BUILD_TESTING Off)
#set(CRYPTOPP_INSTALL Off)
if(NOT cryptopp_POPULATED)
FetchContent_Declare(cryptopp
GIT_REPOSITORY https://github.com/abdes/cryptopp-cmake.git
GIT_TAG CRYPTOPP_8_7_0)
FetchContent_Populate(cryptopp)
add_subdirectory(${cryptopp_SOURCE_DIR} ${cryptopp_BINARY_DIR})
endif(NOT cryptopp_POPULATED)
#if(NOT cryptopp_POPULATED)
# FetchContent_Declare(cryptopp
# GIT_REPOSITORY https://github.com/abdes/cryptopp-cmake.git
# GIT_TAG CRYPTOPP_8_7_0_1)
# FetchContent_Populate(cryptopp)
# add_subdirectory(${cryptopp_SOURCE_DIR} ${cryptopp_BINARY_DIR})
#endif(NOT cryptopp_POPULATED)
include(CTest)
enable_testing()
@ -94,7 +95,7 @@ set(LIB_SOURCES
src/big_int.hpp src/big_int.cpp )
add_library(oc-mint-lib ${LIB_SOURCES})
target_link_libraries(oc-mint-lib PUBLIC Crow::Crow cryptopp::cryptopp)
target_link_libraries(oc-mint-lib PUBLIC Crow::Crow) # cryptopp::cryptopp)
target_include_directories(oc-mint-lib PUBLIC ${expected_SOURCE_DIR}/include src)
add_executable(${PROJECT_NAME} src/main.cpp)

36
test/test_crypto.cpp
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@ -1,19 +1,19 @@
#include <catch2/catch_test_macros.hpp>
#include "cryptlib.h"
#include "integer.h"
#include "nbtheory.h"
#include "osrng.h"
#include "rsa.h"
#include "sha.h"
//#include "cryptlib.h"
//#include "integer.h"
//#include "nbtheory.h"
//#include "osrng.h"
//#include "rsa.h"
//#include "sha.h"
#include <iostream>
#include <stdexcept>
/*
CryptoPP::Integer blind_signature(const CryptoPP::SecByteBlock &orig,
CryptoPP::Integer& r,
const CryptoPP::Integer &r,
const CryptoPP::RSA::PublicKey &pub_key,
const CryptoPP::RSA::PrivateKey &priv_key) {
using namespace CryptoPP;
@ -23,7 +23,7 @@ CryptoPP::Integer blind_signature(const CryptoPP::SecByteBlock& orig,
// Convenience
const Integer &n = pub_key.GetModulus();
const Integer &e = pub_key.GetPublicExponent();
const Integer &d = priv_key.GetPrivateExponent();
// const Integer &d = priv_key.GetPrivateExponent();
// For sizing the hashed message buffer. This should be SHA256 size.
const size_t sig_size = UnsignedMin(SHA256::BLOCKSIZE, n.ByteCount());
@ -59,11 +59,9 @@ CryptoPP::Integer blind_signature(const CryptoPP::SecByteBlock& orig,
return ss;
}
CryptoPP::Integer unblind_signature(CryptoPP::Integer const & ss,
CryptoPP::Integer& r,
const CryptoPP::RSA::PublicKey& pub_key)
{
CryptoPP::Integer unblind_signature(const CryptoPP::Integer &ss,
const CryptoPP::Integer &r,
const CryptoPP::RSA::PublicKey &pub_key) {
const CryptoPP::Integer &n = pub_key.GetModulus();
CryptoPP::Integer s = a_times_b_mod_c(ss, r.InverseMod(n), n);
@ -71,10 +69,8 @@ CryptoPP::Integer unblind_signature(CryptoPP::Integer const & ss,
}
CryptoPP::Integer verify(CryptoPP::Integer const &ss,
CryptoPP::Integer& r,
const CryptoPP::RSA::PublicKey& pub_key)
{
const CryptoPP::Integer &r,
const CryptoPP::RSA::PublicKey &pub_key) {
CryptoPP::Integer s = unblind_signature(ss, r, pub_key);
CryptoPP::Integer v = pub_key.ApplyFunction(s);
return v;
@ -154,7 +150,8 @@ TEST_CASE("cryptopp1", "[crypto]") {
}
*/
/*
TEST_CASE("cryptopp", "[crypto]") {
using namespace CryptoPP;
using std::cout;
@ -250,3 +247,4 @@ TEST_CASE("cryptopp", "[crypto]") {
}
cout << "Verified signature" << endl;
}
*/