Merge remote-tracking branch 'upstream/master' into pair_symbols_tool

1 files changed, 67 insertions, 0 deletions

diff --git a/drivers/builtin_openssl/crypto/des/des3s.cpp b/drivers/builtin_openssl/crypto/des/des3s.cpp
new file mode 100644
index 0000000000..02d527c057
--- /dev/null
+++ b/drivers/builtin_openssl/crypto/des/des3s.cpp
@@ -0,0 +1,67 @@
+//
+// gettsc.inl
+//
+// gives access to the Pentium's (secret) cycle counter
+//
+// This software was written by Leonard Janke (janke@unixg.ubc.ca)
+// in 1996-7 and is entered, by him, into the public domain.
+
+#if defined(__WATCOMC__)
+void GetTSC(unsigned long&);
+#pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax];
+#elif defined(__GNUC__)
+inline
+void GetTSC(unsigned long& tsc)
+{
+  asm volatile(".byte 15, 49\n\t"
+	       : "=eax" (tsc)
+	       :
+	       : "%edx", "%eax");
+}
+#elif defined(_MSC_VER)
+inline
+void GetTSC(unsigned long& tsc)
+{
+  unsigned long a;
+  __asm _emit 0fh
+  __asm _emit 31h
+  __asm mov a, eax;
+  tsc=a;
+}
+#endif      
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <openssl/des.h>
+
+void main(int argc,char *argv[])
+	{
+	des_key_schedule key1,key2,key3;
+	unsigned long s1,s2,e1,e2;
+	unsigned long data[2];
+	int i,j;
+
+	for (j=0; j<6; j++)
+		{
+		for (i=0; i<1000; i++) /**/
+			{
+			des_encrypt3(&data[0],key1,key2,key3);
+			GetTSC(s1);
+			des_encrypt3(&data[0],key1,key2,key3);
+			des_encrypt3(&data[0],key1,key2,key3);
+			des_encrypt3(&data[0],key1,key2,key3);
+			GetTSC(e1);
+			GetTSC(s2);
+			des_encrypt3(&data[0],key1,key2,key3);
+			des_encrypt3(&data[0],key1,key2,key3);
+			des_encrypt3(&data[0],key1,key2,key3);
+			des_encrypt3(&data[0],key1,key2,key3);
+			GetTSC(e2);
+			des_encrypt3(&data[0],key1,key2,key3);
+			}
+
+		printf("des %d %d (%d)\n",
+			e1-s1,e2-s2,((e2-s2)-(e1-s1)));
+		}
+	}
+