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| Author | SHA1 | Date | |
|---|---|---|---|
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dac6a78311 | ||
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a257fe227a |
11
.github/dependabot.yml
vendored
11
.github/dependabot.yml
vendored
@ -1,11 +0,0 @@
|
||||
# To get started with Dependabot version updates, you'll need to specify which
|
||||
# package ecosystems to update and where the package manifests are located.
|
||||
# Please see the documentation for all configuration options:
|
||||
# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
|
||||
|
||||
version: 2
|
||||
updates:
|
||||
- package-ecosystem: "" # See documentation for possible values
|
||||
directory: "/" # Location of package manifests
|
||||
schedule:
|
||||
interval: "weekly"
|
||||
@ -1,10 +1,9 @@
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||||
cmake_minimum_required(VERSION 3.15)
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||||
cmake_minimum_required(VERSION 3.1.3)
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||||
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enable_language(C)
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enable_language(CXX)
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set(CMAKE_CXX_STANDARD 17)
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||||
|
||||
set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
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if(POLICY CMP0077)
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||||
cmake_policy(SET CMP0077 NEW)
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endif()
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@ -32,7 +31,7 @@ set(CROW_BUILD_DOCS Off)
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# add crow project to the build
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FetchContent_Declare(crow
|
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GIT_REPOSITORY https://github.com/CrowCpp/Crow.git
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GIT_TAG v1.2.0
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GIT_TAG v1.0+5
|
||||
)
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||||
|
||||
if(NOT crow_POPULATED)
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@ -50,16 +49,16 @@ if(NOT expected_POPULATED)
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endif(NOT expected_POPULATED)
|
||||
|
||||
# add crypt++ (+cmake) library
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#set(CRYPTOPP_BUILD_TESTING Off)
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#set(CRYPTOPP_INSTALL Off)
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set(CRYPTOPP_BUILD_TESTING Off)
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set(CRYPTOPP_INSTALL Off)
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||||
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||||
#if(NOT cryptopp_POPULATED)
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||||
# FetchContent_Declare(cryptopp
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# GIT_REPOSITORY https://github.com/abdes/cryptopp-cmake.git
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# GIT_TAG CRYPTOPP_8_7_0_1)
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# FetchContent_Populate(cryptopp)
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# add_subdirectory(${cryptopp_SOURCE_DIR} ${cryptopp_BINARY_DIR})
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#endif(NOT cryptopp_POPULATED)
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||||
if(NOT cryptopp_POPULATED)
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FetchContent_Declare(cryptopp
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GIT_REPOSITORY https://github.com/abdes/cryptopp-cmake.git
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GIT_TAG CRYPTOPP_8_7_0)
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FetchContent_Populate(cryptopp)
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add_subdirectory(${cryptopp_SOURCE_DIR} ${cryptopp_BINARY_DIR})
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endif(NOT cryptopp_POPULATED)
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||||
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include(CTest)
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enable_testing()
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@ -92,7 +91,7 @@ set(LIB_SOURCES
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src/big_int.hpp src/big_int.cpp )
|
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add_library(oc-mint-lib ${LIB_SOURCES})
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target_link_libraries(oc-mint-lib PUBLIC Crow::Crow) # cryptopp::cryptopp)
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target_link_libraries(oc-mint-lib PUBLIC Crow::Crow cryptopp::cryptopp)
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target_include_directories(oc-mint-lib PUBLIC ${expected_SOURCE_DIR}/include src)
|
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|
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add_executable(${PROJECT_NAME} src/main.cpp)
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|
||||
@ -1,250 +1,252 @@
|
||||
|
||||
#include <catch2/catch_test_macros.hpp>
|
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|
||||
//#include "cryptlib.h"
|
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//#include "integer.h"
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//#include "nbtheory.h"
|
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//#include "osrng.h"
|
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//#include "rsa.h"
|
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//#include "sha.h"
|
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#include "cryptlib.h"
|
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#include "integer.h"
|
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#include "nbtheory.h"
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#include "osrng.h"
|
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#include "rsa.h"
|
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#include "sha.h"
|
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|
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#include <iostream>
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#include <stdexcept>
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|
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/*
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CryptoPP::Integer blind_signature(const CryptoPP::SecByteBlock &orig,
|
||||
const CryptoPP::Integer &r,
|
||||
const CryptoPP::RSA::PublicKey &pub_key,
|
||||
const CryptoPP::RSA::PrivateKey &priv_key) {
|
||||
using namespace CryptoPP;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
|
||||
CryptoPP::Integer blind_signature(const CryptoPP::SecByteBlock& orig,
|
||||
CryptoPP::Integer& r,
|
||||
const CryptoPP::RSA::PublicKey& pub_key,
|
||||
const CryptoPP::RSA::PrivateKey& priv_key) {
|
||||
using namespace CryptoPP;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
|
||||
// Convenience
|
||||
const Integer &n = pub_key.GetModulus();
|
||||
const Integer &e = pub_key.GetPublicExponent();
|
||||
// const Integer &d = priv_key.GetPrivateExponent();
|
||||
const Integer &n = pub_key.GetModulus();
|
||||
const Integer &e = pub_key.GetPublicExponent();
|
||||
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());
|
||||
const size_t sig_size = UnsignedMin(SHA256::BLOCKSIZE, n.ByteCount());
|
||||
// Scratch
|
||||
SecByteBlock buff_1, buff_2, buff_3;
|
||||
SecByteBlock buff_1, buff_2, buff_3;
|
||||
|
||||
Integer m(orig.data(), orig.size());
|
||||
cout << "Message: " << std::hex << m << endl;
|
||||
Integer m(orig.data(), orig.size());
|
||||
cout << "Message: " << std::hex << m << endl;
|
||||
|
||||
// Hash message per Rabin (1979)
|
||||
buff_1.resize(sig_size);
|
||||
SHA256 hash_1;
|
||||
hash_1.CalculateTruncatedDigest(buff_1, buff_1.size(), orig, orig.size());
|
||||
// Hash message per Rabin (1979)
|
||||
buff_1.resize(sig_size);
|
||||
SHA256 hash_1;
|
||||
hash_1.CalculateTruncatedDigest(buff_1, buff_1.size(), orig, orig.size());
|
||||
|
||||
// H(m) as Integer
|
||||
Integer hm(buff_1.data(), buff_1.size());
|
||||
cout << "H(m): " << std::hex << hm << endl;
|
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// H(m) as Integer
|
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Integer hm(buff_1.data(), buff_1.size());
|
||||
cout << "H(m): " << std::hex << hm << endl;
|
||||
|
||||
// Blinding factor
|
||||
Integer b = a_exp_b_mod_c(r, e, n);
|
||||
cout << "Random: " << std::hex << b << endl;
|
||||
// Blinding factor
|
||||
Integer b = a_exp_b_mod_c(r, e, n);
|
||||
cout << "Random: " << std::hex << b << endl;
|
||||
|
||||
// Alice blinded message
|
||||
Integer mm = a_times_b_mod_c(hm, b, n);
|
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cout << "Blind msg: " << std::hex << mm << endl;
|
||||
// Alice blinded message
|
||||
Integer mm = a_times_b_mod_c(hm, b, n);
|
||||
cout << "Blind msg: " << std::hex << mm << endl;
|
||||
|
||||
AutoSeededRandomPool prng;
|
||||
AutoSeededRandomPool prng;
|
||||
|
||||
// Bob sign
|
||||
Integer ss = priv_key.CalculateInverse(prng, mm);
|
||||
cout << "Blind sign: " << ss << endl;
|
||||
// Bob sign
|
||||
Integer ss = priv_key.CalculateInverse(prng, mm);
|
||||
cout << "Blind sign: " << ss << endl;
|
||||
|
||||
return ss;
|
||||
return ss;
|
||||
}
|
||||
|
||||
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);
|
||||
return s;
|
||||
CryptoPP::Integer unblind_signature(CryptoPP::Integer const & ss,
|
||||
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);
|
||||
return s;
|
||||
}
|
||||
|
||||
CryptoPP::Integer verify(CryptoPP::Integer const &ss,
|
||||
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;
|
||||
CryptoPP::Integer verify(CryptoPP::Integer const & ss,
|
||||
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;
|
||||
}
|
||||
|
||||
TEST_CASE("cryptopp1", "[crypto]") {
|
||||
using namespace CryptoPP;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
using std::runtime_error;
|
||||
using namespace CryptoPP;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
using std::runtime_error;
|
||||
|
||||
// Bob artificially small key pair
|
||||
AutoSeededRandomPool prng;
|
||||
RSA::PrivateKey priv_key;
|
||||
// Bob artificially small key pair
|
||||
AutoSeededRandomPool prng;
|
||||
RSA::PrivateKey priv_key;
|
||||
|
||||
priv_key.GenerateRandomWithKeySize(prng, 64U);
|
||||
RSA::PublicKey pub_key(priv_key);
|
||||
priv_key.GenerateRandomWithKeySize(prng, 64U);
|
||||
RSA::PublicKey pub_key(priv_key);
|
||||
|
||||
// Convenience
|
||||
const Integer &n = pub_key.GetModulus();
|
||||
const Integer &e = pub_key.GetPublicExponent();
|
||||
const Integer &d = priv_key.GetPrivateExponent();
|
||||
// Convenience
|
||||
const Integer &n = pub_key.GetModulus();
|
||||
const Integer &e = pub_key.GetPublicExponent();
|
||||
const Integer &d = priv_key.GetPrivateExponent();
|
||||
|
||||
// Print params
|
||||
cout << "Pub mod: " << std::hex << pub_key.GetModulus() << endl;
|
||||
cout << "Pub exp: " << std::hex << e << endl;
|
||||
cout << "Priv mod: " << std::hex << priv_key.GetModulus() << endl;
|
||||
cout << "Priv exp: " << std::hex << d << endl;
|
||||
const char *MESSAGE = "secret";
|
||||
SecByteBlock orig((const byte *) MESSAGE, 6U);
|
||||
// Print params
|
||||
cout << "Pub mod: " << std::hex << pub_key.GetModulus() << endl;
|
||||
cout << "Pub exp: " << std::hex << e << endl;
|
||||
cout << "Priv mod: " << std::hex << priv_key.GetModulus() << endl;
|
||||
cout << "Priv exp: " << std::hex << d << endl;
|
||||
const char* MESSAGE = "secret";
|
||||
SecByteBlock orig((const byte *)MESSAGE, 6U);
|
||||
|
||||
// Alice blinding
|
||||
Integer r;
|
||||
do {
|
||||
r.Randomize(prng, Integer::One(), n - Integer::One());
|
||||
} while (!RelativelyPrime(r, n));
|
||||
CryptoPP::Integer ss = blind_signature(orig,
|
||||
r,
|
||||
pub_key,
|
||||
priv_key);
|
||||
// Alice checks s(s'(x)) = x. This is from Chaum's paper
|
||||
Integer c = pub_key.ApplyFunction(ss);
|
||||
cout << "Check sign: " << c << endl;
|
||||
//if (c != mm) {
|
||||
// throw runtime_error("Alice cross-check failed");
|
||||
// }
|
||||
// Alice remove blinding
|
||||
Integer s = unblind_signature(ss, r, pub_key);
|
||||
cout << "Unblind sign: " << s << endl;
|
||||
|
||||
// Alice blinding
|
||||
Integer r;
|
||||
do {
|
||||
r.Randomize(prng, Integer::One(), n - Integer::One());
|
||||
} while (!RelativelyPrime(r, n));
|
||||
CryptoPP::Integer ss = blind_signature(orig,
|
||||
r,
|
||||
pub_key,
|
||||
priv_key);
|
||||
// Alice checks s(s'(x)) = x. This is from Chaum's paper
|
||||
Integer c = pub_key.ApplyFunction(ss);
|
||||
cout << "Check sign: " << c << endl;
|
||||
//if (c != mm) {
|
||||
// throw runtime_error("Alice cross-check failed");
|
||||
// }
|
||||
// Alice remove blinding
|
||||
Integer s = unblind_signature(ss, r, pub_key);
|
||||
cout << "Unblind sign: " << s << endl;
|
||||
// Eve verifies
|
||||
Integer v = verify(ss, r, pub_key);
|
||||
cout << "Verify: " << std::hex << v << endl;
|
||||
|
||||
// Eve verifies
|
||||
Integer v = verify(ss, r, pub_key);
|
||||
cout << "Verify: " << std::hex << v << endl;
|
||||
// Scratch
|
||||
SecByteBlock buff_2, buff_3;
|
||||
|
||||
// Scratch
|
||||
SecByteBlock buff_2, buff_3;
|
||||
// Convert to a string
|
||||
size_t req = v.MinEncodedSize();
|
||||
buff_2.resize(req);
|
||||
v.Encode(&buff_2[0], buff_2.size());
|
||||
|
||||
// Convert to a string
|
||||
size_t req = v.MinEncodedSize();
|
||||
buff_2.resize(req);
|
||||
v.Encode(&buff_2[0], buff_2.size());
|
||||
// Hash message per Rabin (1979)
|
||||
const size_t sig_size = UnsignedMin(SHA256::BLOCKSIZE, n.ByteCount());
|
||||
buff_3.resize(sig_size);
|
||||
SHA256 hash_2;
|
||||
hash_2.CalculateTruncatedDigest(buff_3, buff_3.size(), orig, orig.size());
|
||||
|
||||
// Hash message per Rabin (1979)
|
||||
const size_t sig_size = UnsignedMin(SHA256::BLOCKSIZE, n.ByteCount());
|
||||
buff_3.resize(sig_size);
|
||||
SHA256 hash_2;
|
||||
hash_2.CalculateTruncatedDigest(buff_3, buff_3.size(), orig, orig.size());
|
||||
// Constant time compare
|
||||
bool equal = buff_2.size() == buff_3.size() &&
|
||||
VerifyBufsEqual(buff_2.data(), buff_3.data(), buff_3.size());
|
||||
|
||||
// Constant time compare
|
||||
bool equal = buff_2.size() == buff_3.size() &&
|
||||
VerifyBufsEqual(buff_2.data(), buff_3.data(), buff_3.size());
|
||||
|
||||
if (!equal) {
|
||||
throw runtime_error("Eve verified failed");
|
||||
}
|
||||
cout << "Verified signature" << endl;
|
||||
if (!equal) {
|
||||
throw runtime_error("Eve verified failed");
|
||||
}
|
||||
cout << "Verified signature" << endl;
|
||||
|
||||
|
||||
}
|
||||
*/
|
||||
/*
|
||||
|
||||
TEST_CASE("cryptopp", "[crypto]") {
|
||||
using namespace CryptoPP;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
using std::runtime_error;
|
||||
using namespace CryptoPP;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
using std::runtime_error;
|
||||
|
||||
// Bob artificially small key pair
|
||||
AutoSeededRandomPool prng;
|
||||
RSA::PrivateKey priv_key;
|
||||
// Bob artificially small key pair
|
||||
AutoSeededRandomPool prng;
|
||||
RSA::PrivateKey priv_key;
|
||||
|
||||
priv_key.GenerateRandomWithKeySize(prng, 64U);
|
||||
RSA::PublicKey pub_key(priv_key);
|
||||
priv_key.GenerateRandomWithKeySize(prng, 64U);
|
||||
RSA::PublicKey pub_key(priv_key);
|
||||
|
||||
// Convenience
|
||||
const Integer &n = pub_key.GetModulus();
|
||||
const Integer &e = pub_key.GetPublicExponent();
|
||||
const Integer &d = priv_key.GetPrivateExponent();
|
||||
// Convenience
|
||||
const Integer &n = pub_key.GetModulus();
|
||||
const Integer &e = pub_key.GetPublicExponent();
|
||||
const Integer &d = priv_key.GetPrivateExponent();
|
||||
|
||||
// Print params
|
||||
cout << "Pub mod: " << std::hex << pub_key.GetModulus() << endl;
|
||||
cout << "Pub exp: " << std::hex << e << endl;
|
||||
cout << "Priv mod: " << std::hex << priv_key.GetModulus() << endl;
|
||||
cout << "Priv exp: " << std::hex << d << endl;
|
||||
// Print params
|
||||
cout << "Pub mod: " << std::hex << pub_key.GetModulus() << endl;
|
||||
cout << "Pub exp: " << std::hex << e << endl;
|
||||
cout << "Priv mod: " << std::hex << priv_key.GetModulus() << endl;
|
||||
cout << "Priv exp: " << std::hex << d << endl;
|
||||
|
||||
// For sizing the hashed message buffer. This should be SHA256 size.
|
||||
const size_t sig_size = UnsignedMin(SHA256::BLOCKSIZE, n.ByteCount());
|
||||
// For sizing the hashed message buffer. This should be SHA256 size.
|
||||
const size_t sig_size = UnsignedMin(SHA256::BLOCKSIZE, n.ByteCount());
|
||||
|
||||
// Scratch
|
||||
SecByteBlock buff_1, buff_2, buff_3;
|
||||
// Scratch
|
||||
SecByteBlock buff_1, buff_2, buff_3;
|
||||
|
||||
// Alice original message to be signed by Bob
|
||||
SecByteBlock orig((const byte *) "secret", 6U);
|
||||
Integer m(orig.data(), orig.size());
|
||||
cout << "Message: " << std::hex << m << endl;
|
||||
// Alice original message to be signed by Bob
|
||||
SecByteBlock orig((const byte *)"secret", 6U);
|
||||
Integer m(orig.data(), orig.size());
|
||||
cout << "Message: " << std::hex << m << endl;
|
||||
|
||||
// Hash message per Rabin (1979)
|
||||
buff_1.resize(sig_size);
|
||||
SHA256 hash_1;
|
||||
hash_1.CalculateTruncatedDigest(buff_1, buff_1.size(), orig, orig.size());
|
||||
// Hash message per Rabin (1979)
|
||||
buff_1.resize(sig_size);
|
||||
SHA256 hash_1;
|
||||
hash_1.CalculateTruncatedDigest(buff_1, buff_1.size(), orig, orig.size());
|
||||
|
||||
// H(m) as Integer
|
||||
Integer hm(buff_1.data(), buff_1.size());
|
||||
cout << "H(m): " << std::hex << hm << endl;
|
||||
// H(m) as Integer
|
||||
Integer hm(buff_1.data(), buff_1.size());
|
||||
cout << "H(m): " << std::hex << hm << endl;
|
||||
|
||||
// Alice blinding
|
||||
Integer r;
|
||||
do {
|
||||
r.Randomize(prng, Integer::One(), n - Integer::One());
|
||||
} while (!RelativelyPrime(r, n));
|
||||
// Alice blinding
|
||||
Integer r;
|
||||
do {
|
||||
r.Randomize(prng, Integer::One(), n - Integer::One());
|
||||
} while (!RelativelyPrime(r, n));
|
||||
|
||||
// Blinding factor
|
||||
Integer b = a_exp_b_mod_c(r, e, n);
|
||||
cout << "Random: " << std::hex << b << endl;
|
||||
// Blinding factor
|
||||
Integer b = a_exp_b_mod_c(r, e, n);
|
||||
cout << "Random: " << std::hex << b << endl;
|
||||
|
||||
// Alice blinded message
|
||||
Integer mm = a_times_b_mod_c(hm, b, n);
|
||||
cout << "Blind msg: " << std::hex << mm << endl;
|
||||
// Alice blinded message
|
||||
Integer mm = a_times_b_mod_c(hm, b, n);
|
||||
cout << "Blind msg: " << std::hex << mm << endl;
|
||||
|
||||
// Bob sign
|
||||
Integer ss = priv_key.CalculateInverse(prng, mm);
|
||||
cout << "Blind sign: " << ss << endl;
|
||||
// Bob sign
|
||||
Integer ss = priv_key.CalculateInverse(prng, mm);
|
||||
cout << "Blind sign: " << ss << endl;
|
||||
|
||||
// Alice checks s(s'(x)) = x. This is from Chaum's paper
|
||||
Integer c = pub_key.ApplyFunction(ss);
|
||||
cout << "Check sign: " << c << endl;
|
||||
if (c != mm) {
|
||||
throw runtime_error("Alice cross-check failed");
|
||||
}
|
||||
// Alice remove blinding
|
||||
Integer s = a_times_b_mod_c(ss, r.InverseMod(n), n);
|
||||
cout << "Unblind sign: " << s << endl;
|
||||
// Alice checks s(s'(x)) = x. This is from Chaum's paper
|
||||
Integer c = pub_key.ApplyFunction(ss);
|
||||
cout << "Check sign: " << c << endl;
|
||||
if (c != mm) {
|
||||
throw runtime_error("Alice cross-check failed");
|
||||
}
|
||||
// Alice remove blinding
|
||||
Integer s = a_times_b_mod_c(ss, r.InverseMod(n), n);
|
||||
cout << "Unblind sign: " << s << endl;
|
||||
|
||||
// Eve verifies
|
||||
Integer v = pub_key.ApplyFunction(s);
|
||||
cout << "Verify: " << std::hex << v << endl;
|
||||
// Eve verifies
|
||||
Integer v = pub_key.ApplyFunction(s);
|
||||
cout << "Verify: " << std::hex << v << endl;
|
||||
|
||||
// Convert to a string
|
||||
size_t req = v.MinEncodedSize();
|
||||
buff_2.resize(req);
|
||||
v.Encode(&buff_2[0], buff_2.size());
|
||||
// Convert to a string
|
||||
size_t req = v.MinEncodedSize();
|
||||
buff_2.resize(req);
|
||||
v.Encode(&buff_2[0], buff_2.size());
|
||||
|
||||
// Hash message per Rabin (1979)
|
||||
buff_3.resize(sig_size);
|
||||
SHA256 hash_2;
|
||||
hash_2.CalculateTruncatedDigest(buff_3, buff_3.size(), orig, orig.size());
|
||||
// Hash message per Rabin (1979)
|
||||
buff_3.resize(sig_size);
|
||||
SHA256 hash_2;
|
||||
hash_2.CalculateTruncatedDigest(buff_3, buff_3.size(), orig, orig.size());
|
||||
|
||||
// Constant time compare
|
||||
bool equal = buff_2.size() == buff_3.size() &&
|
||||
VerifyBufsEqual(buff_2.data(), buff_3.data(), buff_3.size());
|
||||
// Constant time compare
|
||||
bool equal = buff_2.size() == buff_3.size() &&
|
||||
VerifyBufsEqual(buff_2.data(), buff_3.data(), buff_3.size());
|
||||
|
||||
if (!equal) {
|
||||
throw runtime_error("Eve verified failed");
|
||||
}
|
||||
cout << "Verified signature" << endl;
|
||||
if (!equal) {
|
||||
throw runtime_error("Eve verified failed");
|
||||
}
|
||||
cout << "Verified signature" << endl;
|
||||
}
|
||||
*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user