diff options
| author | Jeffrey Walton <noloader@gmail.com> | 2017-05-11 03:56:19 -0400 |
|---|---|---|
| committer | Jeffrey Walton <noloader@gmail.com> | 2017-05-11 03:56:19 -0400 |
| commit | ea5d003a9a9c10918171c1df90efe645922a66b2 (patch) | |
| tree | 33abf164679b67237a8f3e0a824e804f7662caee /validat0.cpp | |
| parent | c87b0d1485d70cb342783a4a264917019451a14e (diff) | |
| download | cryptopp-git-ea5d003a9a9c10918171c1df90efe645922a66b2.tar.gz | |
Move TestPolynomialMod2 to validat0.cpp
Diffstat (limited to 'validat0.cpp')
| -rw-r--r-- | validat0.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/validat0.cpp b/validat0.cpp index 89fde6ba..e3db4b73 100644 --- a/validat0.cpp +++ b/validat0.cpp @@ -13,6 +13,7 @@ #include "zinflate.h"
#include "channels.h"
#include "files.h"
+#include "gf2n.h"
#include "gzip.h"
#include "zlib.h"
#include "ida.h"
@@ -33,6 +34,120 @@ NAMESPACE_BEGIN(CryptoPP) NAMESPACE_BEGIN(Test)
#if defined(CRYPTOPP_EXTENDED_VALIDATION)
+// Issue 64: "PolynomialMod2::operator<<=", http://github.com/weidai11/cryptopp/issues/64
+bool TestPolynomialMod2()
+{
+ bool pass1 = true, pass2 = true, pass3 = true;
+
+ std::cout << "\nTesting PolynomialMod2 bit operations...\n\n";
+
+ static const unsigned int start = 0;
+ static const unsigned int stop = 4 * WORD_BITS + 1;
+
+ for (unsigned int i = start; i < stop; i++)
+ {
+ PolynomialMod2 p(1);
+ p <<= i;
+
+ Integer n(Integer::One());
+ n <<= i;
+
+ std::ostringstream oss1;
+ oss1 << p;
+
+ std::string str1, str2;
+
+ // str1 needs the commas removed used for grouping
+ str1 = oss1.str();
+ str1.erase(std::remove(str1.begin(), str1.end(), ','), str1.end());
+
+ // str1 needs the trailing 'b' removed
+ str1.erase(str1.end() - 1);
+
+ // str2 is fine as-is
+ str2 = IntToString(n, 2);
+
+ pass1 &= (str1 == str2);
+ }
+
+ for (unsigned int i = start; i < stop; i++)
+ {
+ const word w((word)SIZE_MAX);
+
+ PolynomialMod2 p(w);
+ p <<= i;
+
+ Integer n(Integer::POSITIVE, static_cast<lword>(w));
+ n <<= i;
+
+ std::ostringstream oss1;
+ oss1 << p;
+
+ std::string str1, str2;
+
+ // str1 needs the commas removed used for grouping
+ str1 = oss1.str();
+ str1.erase(std::remove(str1.begin(), str1.end(), ','), str1.end());
+
+ // str1 needs the trailing 'b' removed
+ str1.erase(str1.end() - 1);
+
+ // str2 is fine as-is
+ str2 = IntToString(n, 2);
+
+ pass2 &= (str1 == str2);
+ }
+
+ RandomNumberGenerator& prng = GlobalRNG();
+ for (unsigned int i = start; i < stop; i++)
+ {
+ word w; // Cast to lword due to Visual Studio
+ prng.GenerateBlock((byte*)&w, sizeof(w));
+
+ PolynomialMod2 p(w);
+ p <<= i;
+
+ Integer n(Integer::POSITIVE, static_cast<lword>(w));
+ n <<= i;
+
+ std::ostringstream oss1;
+ oss1 << p;
+
+ std::string str1, str2;
+
+ // str1 needs the commas removed used for grouping
+ str1 = oss1.str();
+ str1.erase(std::remove(str1.begin(), str1.end(), ','), str1.end());
+
+ // str1 needs the trailing 'b' removed
+ str1.erase(str1.end() - 1);
+
+ // str2 is fine as-is
+ str2 = IntToString(n, 2);
+
+ if (str1 != str2)
+ {
+ std::cout << " Oops..." << "\n";
+ std::cout << " random: " << std::hex << n << std::dec << "\n";
+ std::cout << " str1: " << str1 << "\n";
+ std::cout << " str2: " << str2 << "\n";
+ }
+
+ pass3 &= (str1 == str2);
+ }
+
+ std::cout << (!pass1 ? "FAILED" : "passed") << ": " << "1 shifted over range [" << std::dec << start << "," << stop << "]" << "\n";
+ std::cout << (!pass2 ? "FAILED" : "passed") << ": " << "0x" << std::hex << word(SIZE_MAX) << std::dec << " shifted over range [" << start << "," << stop << "]" << "\n";
+ std::cout << (!pass3 ? "FAILED" : "passed") << ": " << "random values shifted over range [" << std::dec << start << "," << stop << "]" << "\n";
+
+ if (!(pass1 && pass2 && pass3))
+ std::cout.flush();
+
+ return pass1 && pass2 && pass3;
+}
+#endif
+
+#if defined(CRYPTOPP_EXTENDED_VALIDATION)
bool TestCompressors()
{
std::cout << "\nTesting Compressors and Decompressors...\n\n";
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