diff options
| -rw-r--r-- | .gitignore | 2 | ||||
| -rw-r--r-- | Makefile | 16 | ||||
| -rw-r--r-- | main.cpp | 240 |
3 files changed, 8 insertions, 250 deletions
@@ -1,4 +1,4 @@ *.o *.dSYM -main +cryptolib.a *.txt @@ -1,28 +1,26 @@ CXX = g++ CXXFLAGS = -Wall -Wextra -std=c++0x -fwrapv -LDFLAGS = ifneq ($(DEBUG),) CXXFLAGS += -g else CXXFLAGS += -O2 endif -ifeq ($(shell uname),Linux) - LDFLAGS += -lbsd -endif -BIN = main + +LIBNAME = cryptolib.a + .PHONY: all clean remake -all: $(BIN) +all: $(LIBNAME) clean: - rm -rf $(BIN) *.o *.dSYM + rm -rf $(LIBNAME) *.o remake: clean all -$(BIN): $(patsubst %.cpp,%.o,$(wildcard *.cpp)) - $(CXX) -o $@ $^ $(LDFLAGS) +$(LIBNAME): $(patsubst %.cpp,%.o,$(wildcard *.cpp)) + ar -cr $@ $^ %.o: %.cpp $(wildcard *.h) $(CXX) $(CXXFLAGS) -c -o $@ $< diff --git a/main.cpp b/main.cpp deleted file mode 100644 index 2385da8..0000000 --- a/main.cpp +++ /dev/null @@ -1,240 +0,0 @@ -#include <iostream> -#include <fstream> -#include <sstream> -#include <stdexcept> -#include <algorithm> -#include <cstdlib> -#include <cctype> -#include <ctime> -#include <cassert> -#include "aes.h" -#include "base64.h" -#include "bigint.h" -#include "envelope.h" -#include "numalgo.h" -#include "primes.h" -#include "rng.h" -#include "rsa.h" - -using namespace std; - -class eof_error : public runtime_error{ -public: - eof_error() - :runtime_error("EOF"){} -}; - -int64_t rand64(){ - return ((int64_t)rand()<<32)+(((int64_t)rand()%2)<<31)+rand(); -} - -Bigint readevalexpr(istream &is){ - Bigint a; - is>>a; - if(is.eof())throw eof_error(); - // cerr<<"Read "<<a<<endl; - if(!is.fail())return a; - is.clear(); - string s; - is>>s; - assert(!is.fail()); - a=readevalexpr(is); - Bigint b=readevalexpr(is); - //cerr<<"Operation "<<s<<" on "<<a<<" and "<<b<<endl; - if(s=="add")return a+b; - else if(s=="sub")return a-b; - else if(s=="mul")return a*b; - else if(s=="div")return a.divmod(b).first; - else if(s=="mod")return a.divmod(b).second; - else { - cerr<<"Unknown operation '"<<s<<'\''<<endl; - assert(false); - } -} - -void biginttest(){ - srand(time(NULL)); - - // cerr<<Bigint(599428191)*Bigint(10)<<endl; - // cerr<<hex<<Bigint(599428191)*Bigint(10)<<endl; - -#if 1 - { - Bigint bi; - assert(RAND_MAX==(1U<<31)-1); - for(int i=0;i<500000;i++){ - int64_t a=rand64(),b=rand64(); - if(a+b<0){i--; continue;} - stringstream s1,s2,s3; - s1<<a+b; - s2<<Bigint(a+b); - s3<<Bigint(a)+Bigint(b); - assert(s1.str()==s2.str()&&s1.str()==s3.str()); - } - } -#endif - -#if 1 - { - for(int i=0;i<1000;i++){ - int64_t n=rand64(); - istringstream ss(to_string(n)); - Bigint bi; - ss>>bi; - assert(bi==Bigint(n)); - } - } -#endif - -#if 1 - { - string s="4405994068155852661780322209877856931246944549396705884037139443014164958640201650440984581318995014"; - istringstream iss(s); - Bigint bi; - iss>>bi; - uint32_t digs[11]={1752788038,953502834,2175607868,1627159508,1754291416,1207689192,3196357285,3165170272,3313904421,3194703103,2062}; - for(int i=0;i<11;i++)assert(bi._digit(i)==digs[i]); - ostringstream oss; - oss<<bi; - assert(oss.str()==s); - } -#endif -} - -void repl(int argc,char **argv){ - istream *in; - if(argc==2)in=new ifstream(argv[1]); - else in=&cin; - for(int i=0;;i++){ - try { - cout<<readevalexpr(*in)<<endl; - } catch(eof_error){ - break; - } - } - if(in!=&cin)delete in; -} - -void testisqrt(int argc,char **argv){ - int randsize=argc==2?strtol(argv[1],nullptr,10):1; - assert(randsize>=1); - for(int i=0;i<1000;i++){ - Bigint n(rand64()); - for(int j=1;j<randsize;j++){ - n<<=63; - n+=rand64(); - } - // cout<<hex<<n<<dec<<endl; - Bigint root(isqrt(n)); - assert(root*root<=n); - root+=Bigint::one; - assert(root*root>n); - } -} - -void performrsa(){ - RSA::PrivateKey privkey; - Bigint p(1000000007),q(3000000019U); - privkey.pub.mod=(int64_t)3000000040000000133LL; - privkey.pub.exp=65537; - { - Bigint x; - egcd((p-Bigint::one)*(q-Bigint::one),privkey.pub.exp,x,privkey.pexp); - } - cout<<"d = "<<privkey.pexp<<endl; - Bigint msg(123456789); - cout<<"msg = "<<msg<<endl; - Bigint encr=RSA::encrypt(msg,privkey.pub); - cout<<"encr = "<<encr<<endl; - Bigint msg2=RSA::decrypt(encr,privkey); - cout<<"msg = "<<msg2<<endl; -} - -void pseudolist(bool(*func)(const Bigint&)){ - fillsmallprimes(); - for(int i=2;i<65000;i++){ - // cerr<<"TRYING "<<i<<endl; - bool actualprime=binary_search(smallprimes.begin(),smallprimes.end(),i); - if(!func(Bigint(i))){ - if(actualprime){ - cerr<<"Test misleadingly said that "<<i<<" isn't prime, while it is!"<<endl; - exit(1); - } - continue; - } - if(!actualprime)cout<<i<<' '; - } - cout<<endl; -} - -void listprimes(){ - int n=0; - Bigint x(3); - x*=x; - x*=x; - x*=x; - x*=x; - x*=x; - x*=x; - x*=x; - Bigint y(x+10000); - cout<<x<<' '<<y<<endl; - for(Bigint i(x);i<=y;i+=1){ - if(bailliePSW(i)){ - cout<<i<<endl; - n++; - } - } - cout<<n<<endl; -} - -int main(int argc,char **argv){ - (void)argc; - (void)argv; - // biginttest(); - // repl(argc,argv); - // performrsa(); - // testisqrt(argc,argv); - // randprime(Bigint(20),Bigint(42)); - // strongLucasPrime(Bigint(5)); - // cout<<strongLucasPrime(Bigint(5777))<<endl; - // pseudolist(strongPseudoPrime2); - // pseudolist(strongLucasPrime); - // listprimes(); - - // Rng rng("wachtwoord"); - // for(int i=0;i<100000;i++)cout<<rng.get()<<endl; - - // for(int i=0;i<10000;i++)cout<<arc4random()<<endl; - - /*KeyRng rng("wachtwoord"); //for DieHarder - char data[4]; - for(int i=0;i<10000000;i++){ - *(uint32_t*)data=rng.get(); - fwrite(data,1,4,stdout); - }*/ - - /*string s; - while(true){ - char c=cin.get(); - if(!cin)break; - s.push_back(c); - } - cout<<Base64::encode(s)<<endl; - // cout<<Base64::decode(s)<<flush;*/ - - // AES::test(); - // cout<<Base64::encode(AES::encrypt("goeiemorgen dit is leuke data enzoo","123456789abcdefx",AES::AES_128_CBC))<<endl; - // cout<<AES::decrypt(Base64::decode("dv2N3n2FHsD7LU2PAZnZm/bLQQSaaZoDDFjy3VrSu2JCHN5KuyBlinlh9C71IGTbT4/WvRKLp6dp1TfrKXIG2w=="),"123456789abcdefx",AES::AES_128_CBC)<<endl; - - RSA::PrivateKey privkey(RSA::genkey(2048,"goeiemorgen")); - cerr<<"privkey.pexp="<<privkey.pexp<<endl; - // stringstream ss("146142527763115590918816237475833862275078269531224490080731579415134484175830244922030574137988310092068583287060550616357026989772917226684940867892409"); - // Bigint d; - // ss>>d; - // cout<<RSA::decrypt(d,privkey)<<endl; - string crypt(Envelope::encrypt("hallo hallo dit is leuke data enzo",privkey.pub)); - cout<<Base64::encode(crypt)<<endl; - string decr(Envelope::decrypt(crypt,privkey)); - cout<<decr<<endl; -} |