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authorArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
committerArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
commit3e4d8f433239c40311037616b1b8833a06651ae0 (patch)
tree98ab7fce0d011d34677b0beb762d389cb5c39199 /openssl/crypto/rc4/rc4s.cpp
Initial import
Diffstat (limited to 'openssl/crypto/rc4/rc4s.cpp')
-rw-r--r--openssl/crypto/rc4/rc4s.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/openssl/crypto/rc4/rc4s.cpp b/openssl/crypto/rc4/rc4s.cpp
new file mode 100644
index 00000000..3814fde9
--- /dev/null
+++ b/openssl/crypto/rc4/rc4s.cpp
@@ -0,0 +1,73 @@
+//
+// 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/rc4.h>
+
+void main(int argc,char *argv[])
+ {
+ unsigned char buffer[1024];
+ RC4_KEY ctx;
+ unsigned long s1,s2,e1,e2;
+ unsigned char k[16];
+ unsigned long data[2];
+ unsigned char iv[8];
+ int i,num=64,numm;
+ int j=0;
+
+ if (argc >= 2)
+ num=atoi(argv[1]);
+
+ if (num == 0) num=256;
+ if (num > 1024-16) num=1024-16;
+ numm=num+8;
+
+ for (j=0; j<6; j++)
+ {
+ for (i=0; i<10; i++) /**/
+ {
+ RC4(&ctx,numm,buffer,buffer);
+ GetTSC(s1);
+ RC4(&ctx,numm,buffer,buffer);
+ GetTSC(e1);
+ GetTSC(s2);
+ RC4(&ctx,num,buffer,buffer);
+ GetTSC(e2);
+ RC4(&ctx,num,buffer,buffer);
+ }
+
+ printf("RC4 (%d bytes) %d %d (%d) - 8 bytes\n",num,
+ e1-s1,e2-s2,(e1-s1)-(e2-s2));
+ }
+ }
+