diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index b2b0090..6a1d789 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -143,6 +143,22 @@
                     ( hardclock() - tsc ) / ( j * BUFSIZE ) );
 #endif
 
+#if defined(POLARSSL_SHA4_C)
+    printf( "  SHA-512   :  " );
+    fflush( stdout );
+
+    set_alarm( 1 );
+    for( i = 1; ! alarmed; i++ )
+        sha4( buf, BUFSIZE, tmp, 0 );
+
+    tsc = hardclock();
+    for( j = 0; j < 1024; j++ )
+        sha4( buf, BUFSIZE, tmp, 0 );
+
+    printf( "%9lu Kb/s,  %9lu cycles/byte\n", i * BUFSIZE / 1024,
+                    ( hardclock() - tsc ) / ( j * BUFSIZE ) );
+#endif
+
 #if defined(POLARSSL_ARC4_C)
     printf( "  ARC4      :  " );
     fflush( stdout );