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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/sha/sha1s.cpp
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Diffstat (limited to 'openssl/crypto/sha/sha1s.cpp')
-rw-r--r--openssl/crypto/sha/sha1s.cpp82
1 files changed, 82 insertions, 0 deletions
diff --git a/openssl/crypto/sha/sha1s.cpp b/openssl/crypto/sha/sha1s.cpp
new file mode 100644
index 000000000..af23d1e0f
--- /dev/null
+++ b/openssl/crypto/sha/sha1s.cpp
@@ -0,0 +1,82 @@
+//
+// 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/sha.h>
+
+#define sha1_block_x86 sha1_block_asm_data_order
+extern "C" {
+void sha1_block_x86(SHA_CTX *ctx, unsigned char *buffer,int num);
+}
+
+void main(int argc,char *argv[])
+ {
+ unsigned char buffer[64*256];
+ SHA_CTX ctx;
+ unsigned long s1,s2,e1,e2;
+ unsigned char k[16];
+ unsigned long data[2];
+ unsigned char iv[8];
+ int i,num=0,numm;
+ int j=0;
+
+ if (argc >= 2)
+ num=atoi(argv[1]);
+
+ if (num == 0) num=16;
+ if (num > 250) num=16;
+ numm=num+2;
+#if 0
+ num*=64;
+ numm*=64;
+#endif
+
+ for (j=0; j<6; j++)
+ {
+ for (i=0; i<10; i++) /**/
+ {
+ sha1_block_x86(&ctx,buffer,numm);
+ GetTSC(s1);
+ sha1_block_x86(&ctx,buffer,numm);
+ GetTSC(e1);
+ GetTSC(s2);
+ sha1_block_x86(&ctx,buffer,num);
+ GetTSC(e2);
+ sha1_block_x86(&ctx,buffer,num);
+ }
+
+ printf("sha1 (%d bytes) %d %d (%.2f)\n",num*64,
+ e1-s1,e2-s2,(double)((e1-s1)-(e2-s2))/2);
+ }
+ }
+