Add SHA1 draft implementation

ChaosTests/Hash/Sha1HasherTests.cpp

@@ -0,0 +1,202 @@
+#include <gtest/gtest.h>
+
+#include "Hash/Sha1.hpp"
+
+using namespace Chaos::Hash::Sha1;
+
+TEST(Sha1Tests, RfcTest)
+{
+    struct Helper
+    {
+        std::string operator()(const char * in) const
+        {
+            Sha1Hasher hasher;
+            hasher.Update(in, in + strlen(in));
+            return hasher.Finish().ToHexString();
+        }
+    };
+
+    Helper hash;
+
+    ASSERT_EQ("da39a3ee5e6b4b0d3255bfef95601890afd80709", hash(""));
+    ASSERT_EQ("86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", hash("a"));
+    ASSERT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", hash("abc"));
+    ASSERT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1", hash("abcdbcdecdefdefgefghfghighijhi"
+                                                               "jkijkljklmklmnlmnomnopnopq"));
+    ASSERT_EQ("e0c094e867ef46c350ef54a7f59dd60bed92ae83", hash("01234567012345670123456701234567"
+                                                               "01234567012345670123456701234567"));
+}
+
+TEST(Sha1Tests, PartialUpdateTest)
+{
+    {
+        // "a"
+        Sha1Hasher hasher;
+
+        {
+            const char * in = "a";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        ASSERT_EQ("86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", hasher.Finish().ToHexString());
+    }
+
+    {
+        // "abc"
+        Sha1Hasher hasher;
+
+        {
+            const char * in = "ab";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "c";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        ASSERT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", hasher.Finish().ToHexString());
+    }
+
+    {
+        // "message digest"
+        Sha1Hasher hasher;
+
+        {
+            const char * in = "me";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "ssage ";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "diges";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "t";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        ASSERT_EQ("c12252ceda8be8994d5fa0290a47231c1d16aae3", hasher.Finish().ToHexString());
+    }
+
+    {
+        // "12345678901234567890123456789012345678901234567890123456789012345678901234567890"
+        Sha1Hasher hasher;
+
+        {
+            const char * in = "12345678901234567890";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "12345678901234567890";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "12345678901234567890";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        {
+            const char * in = "12345678901234567890";
+            hasher.Update(in, in + strlen(in));
+        }
+
+        ASSERT_EQ("50abf5706a150990a08b2c5ea40fa0e585554732", hasher.Finish().ToHexString());
+    }
+}
+
+TEST(Sha1Tests, LongInputTest)
+{
+    struct Helper
+    {
+        std::string operator()(const char * in) const
+        {
+            Sha1Hasher hasher;
+            hasher.Update(in, in + strlen(in));
+            return hasher.Finish().ToHexString();
+        }
+    };
+
+    Helper hash;
+
+    // 2500 zeros ('0').
+    ASSERT_EQ("79e7958997241a7ffe484e14cbe1a41a088aa70b", hash(std::string(2500, '0').c_str()));
+    // 1000 'a' followed by 1000 'b'.
+    ASSERT_EQ("246f7ca16d5edebf7a5df7ddeab7c044745942ec", hash((std::string(1000, 'a') +
+                                                                std::string(1000, 'b')).c_str()));
+}
+
+TEST(Sha1Tests, LongInputPartialUpdateTest)
+{
+    {
+        // 2500 zeros ('0').
+        Sha1Hasher hasher;
+
+        std::string in(750, '0');
+
+        hasher.Update(in.begin(), in.begin() + 250);
+        hasher.Update(in.begin(), in.begin() + 500);
+        hasher.Update(in.begin(), in.begin() + 500);
+        hasher.Update(in.begin(), in.begin() + 750);
+        hasher.Update(in.begin(), in.begin() + 333);
+        hasher.Update(in.begin(), in.begin() + 167);
+
+        ASSERT_EQ("79e7958997241a7ffe484e14cbe1a41a088aa70b", hasher.Finish().ToHexString());
+    }
+
+    {
+        // 1000 'a' followed by 1000 'b'.
+        Sha1Hasher hasher;
+
+        std::string inA(1000, 'a');
+        std::string inB(1000, 'b');
+
+        hasher.Update(inA.begin(), inA.begin() + 100);
+        hasher.Update(inA.begin(), inA.begin() + 255);
+        hasher.Update(inA.begin(), inA.begin() + 645);
+
+        hasher.Update(inB.begin(), inB.begin() + 33);
+        hasher.Update(inB.begin(), inB.begin() + 701);
+        hasher.Update(inB.begin(), inB.begin() + 266);
+
+        ASSERT_EQ("246f7ca16d5edebf7a5df7ddeab7c044745942ec", hasher.Finish().ToHexString());
+    }
+}
+
+TEST(Sha1Tests, ResetTest)
+{
+    Sha1Hasher hasher;
+
+    {
+        const char * in = "abc";
+        hasher.Update(in, in + strlen(in));
+    }
+
+    ASSERT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", hasher.Finish().ToHexString());
+
+    hasher.Reset();
+
+    {
+        const char * in = "message digest";
+        hasher.Update(in, in + strlen(in));
+    }
+
+    ASSERT_EQ("c12252ceda8be8994d5fa0290a47231c1d16aae3", hasher.Finish().ToHexString());
+
+    hasher.Reset();
+
+    ASSERT_EQ("da39a3ee5e6b4b0d3255bfef95601890afd80709", hasher.Finish().ToHexString());
+}