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Diffstat (limited to 'openssl/crypto/rc5/rc5s.cpp')
-rw-r--r--openssl/crypto/rc5/rc5s.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/openssl/crypto/rc5/rc5s.cpp b/openssl/crypto/rc5/rc5s.cpp
new file mode 100644
index 000000000..1c5518bc8
--- /dev/null
+++ b/openssl/crypto/rc5/rc5s.cpp
@@ -0,0 +1,70 @@
+//
+// 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/rc5.h>
+
+void main(int argc,char *argv[])
+ {
+ RC5_32_KEY key;
+ unsigned long s1,s2,e1,e2;
+ unsigned long data[2];
+ int i,j;
+ static unsigned char d[16]={0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
+
+ RC5_32_set_key(&key, 16,d,12);
+
+ for (j=0; j<6; j++)
+ {
+ for (i=0; i<1000; i++) /**/
+ {
+ RC5_32_encrypt(&data[0],&key);
+ GetTSC(s1);
+ RC5_32_encrypt(&data[0],&key);
+ RC5_32_encrypt(&data[0],&key);
+ RC5_32_encrypt(&data[0],&key);
+ GetTSC(e1);
+ GetTSC(s2);
+ RC5_32_encrypt(&data[0],&key);
+ RC5_32_encrypt(&data[0],&key);
+ RC5_32_encrypt(&data[0],&key);
+ RC5_32_encrypt(&data[0],&key);
+ GetTSC(e2);
+ RC5_32_encrypt(&data[0],&key);
+ }
+
+ printf("cast %d %d (%d)\n",
+ e1-s1,e2-s2,((e2-s2)-(e1-s1)));
+ }
+ }
+