Changeset 51838 in vbox for trunk/src/VBox/Runtime/testcase

Timestamp:

Jul 3, 2014 11:05:50 AM (10 years ago)

Author:

vboxsync

Message:

Alternative SHA-256 implementation.

File:

• trunk/src/VBox/Runtime/testcase/tstRTDigest-2.cpp (modified) (8 diffs)

trunk/src/VBox/Runtime/testcase/tstRTDigest-2.cpp

@@ -102 +102 @@
  * @param   paTests         The test table.
  * @param   cTests          The number of tests in the table.
+ * @param   pszDigestName   The name of the digest.
  */
-static void testGeneric(const char *pszDigestObjId, TESTRTDIGEST const *paTests, size_t cTests)
+static void testGeneric(const char *pszDigestObjId, TESTRTDIGEST const *paTests, size_t cTests, const char *pszDigestName)
 {
+    /*
+     * Execute the tests.
+     */
+    RTCRDIGEST hDigest;
     for (uint32_t iTest = 0; iTest < cTests; iTest++)
     {
@@ -110 +115 @@
          * The whole thing in one go.
          */
-        RTCRDIGEST hDigest;
         RTTESTI_CHECK_RC_RETV(RTCrDigestCreateByObjIdString(&hDigest, pszDigestObjId), VINF_SUCCESS);
         uint32_t const cbHash = RTCrDigestGetHashSize(hDigest);
@@ -142 +146 @@
                 break; /* No need to test the other permutations if this fails. */
         }
+
+        RTTESTI_CHECK_RC(RTCrDigestRelease(hDigest), 0);
     }
+
+    /*
+     * Do a quick benchmark.
+     */
+    RTTESTI_CHECK_RC_RETV(RTCrDigestCreateByObjIdString(&hDigest, pszDigestObjId), VINF_SUCCESS);
+    uint32_t const cChunks  = 64;
+    uint32_t       cLeft    = cChunks;
+    int            rc       = VINF_SUCCESS;
+
+    uint64_t       uStartTS = RTTimeNanoTS();
+    while (cLeft-- > 0)
+        rc |= RTCrDigestUpdate(hDigest, g_abRandom72KB, sizeof(g_abRandom72KB));
+    rc |= RTCrDigestFinal(hDigest, NULL, 0);
+    uint64_t cNsElapsed = RTTimeNanoTS() - uStartTS;
+
+    RTTESTI_CHECK(rc == VINF_SUCCESS);
+
+    RTTestIValueF((uint64_t)cChunks * sizeof(g_abRandom72KB) / _1K / (0.000000001 * cNsElapsed), RTTESTUNIT_KILOBYTES_PER_SEC,
+                  "%s throughput", pszDigestName);
 }
 
@@ -341 +366 @@
         { &g_abRandom72KB[0x20c9],  9991, "bbba194efa81238e5b613e20e937144e", "MD2 8393 bytes @9991" },
     };
-    testGeneric("1.2.840.113549.2.2", s_abTests, RT_ELEMENTS(s_abTests));
+    testGeneric("1.2.840.113549.2.2", s_abTests, RT_ELEMENTS(s_abTests), "MD2");
 }
 
@@ -540 +565 @@
         { &g_abRandom72KB[0x20c9], 9991, "6461339c6615d23c704298a313e07cf5", "MD5 8393 bytes @9991" },
     };
-    testGeneric("1.2.840.113549.2.5", s_abTests, RT_ELEMENTS(s_abTests));
+    testGeneric("1.2.840.113549.2.5", s_abTests, RT_ELEMENTS(s_abTests), "MD5");
 }
 
@@ -719 +744 @@
         { &g_abRandom72KB[0x20c9],  9991, "62001184bacacce3774566d916055d425a85eba5", "SHA-1 8393 bytes @9991" },
     };
-    testGeneric("1.3.14.3.2.26", s_abTests, RT_ELEMENTS(s_abTests));
+    testGeneric("1.3.14.3.2.26", s_abTests, RT_ELEMENTS(s_abTests), "SHA-1");
 }
 
@@ -887 +912 @@
         { &g_abRandom72KB[0x20c9],  9991, "8bd4c6142e36f15385769ebdeb855dcdf542f72d067315472a52ff626946310e", "SHA-256 8393 bytes @9991" },
     };
-    testGeneric("2.16.840.1.101.3.4.2.1", s_abTests, RT_ELEMENTS(s_abTests));
+    testGeneric("2.16.840.1.101.3.4.2.1", s_abTests, RT_ELEMENTS(s_abTests), "SHA-256");
 }
 
@@ -1055 +1080 @@
         { &g_abRandom72KB[0x20c9],  9991, "d6ac7c68664df2e34dc6be233b33f8dad196348350b70a4c2c5a78eb54d6e297c819771313d798de7552b7a3cb85370aab25087e189f3be8560d49406ebb6280", "SHA-512 8393 bytes @9991" },
     };
-    testGeneric("2.16.840.1.101.3.4.2.3", s_abTests, RT_ELEMENTS(s_abTests));
+    testGeneric("2.16.840.1.101.3.4.2.3", s_abTests, RT_ELEMENTS(s_abTests), "SHA-512");
 }