1 files changed, 79 insertions, 0 deletions

diff --git a/src/lib/libcrypto/des/asm/desboth.pl b/src/lib/libcrypto/des/asm/desboth.pl
new file mode 100644
index 0000000000..eec00886e4
--- /dev/null
+++ b/src/lib/libcrypto/des/asm/desboth.pl
@@ -0,0 +1,79 @@
+#!/usr/local/bin/perl
+
+$L="edi";
+$R="esi";
+
+sub DES_encrypt3
+        {
+        local($name,$enc)=@_;
+
+        &function_begin_B($name,"");
+        &push("ebx");
+        &mov("ebx",&wparam(0));
+
+        &push("ebp");
+        &push("esi");
+
+        &push("edi");
+
+        &comment("");
+        &comment("Load the data words");
+        &mov($L,&DWP(0,"ebx","",0));
+        &mov($R,&DWP(4,"ebx","",0));
+        &stack_push(3);
+
+        &comment("");
+        &comment("IP");
+        &IP_new($L,$R,"edx",0);
+
+        # put them back
+        
+        if ($enc)
+                {
+                &mov(&DWP(4,"ebx","",0),$R);
+                 &mov("eax",&wparam(1));
+                &mov(&DWP(0,"ebx","",0),"edx");
+                 &mov("edi",&wparam(2));
+                 &mov("esi",&wparam(3));
+                }
+        else
+                {
+                &mov(&DWP(4,"ebx","",0),$R);
+                 &mov("esi",&wparam(1));
+                &mov(&DWP(0,"ebx","",0),"edx");
+                 &mov("edi",&wparam(2));
+                 &mov("eax",&wparam(3));
+                }
+        &mov(&swtmp(2), (DWC(($enc)?"1":"0")));
+        &mov(&swtmp(1), "eax");
+        &mov(&swtmp(0), "ebx");
+        &call("DES_encrypt2");
+        &mov(&swtmp(2), (DWC(($enc)?"0":"1")));
+        &mov(&swtmp(1), "edi");
+        &mov(&swtmp(0), "ebx");
+        &call("DES_encrypt2");
+        &mov(&swtmp(2), (DWC(($enc)?"1":"0")));
+        &mov(&swtmp(1), "esi");
+        &mov(&swtmp(0), "ebx");
+        &call("DES_encrypt2");
+
+        &stack_pop(3);
+        &mov($L,&DWP(0,"ebx","",0));
+        &mov($R,&DWP(4,"ebx","",0));
+
+        &comment("");
+        &comment("FP");
+        &FP_new($L,$R,"eax",0);
+
+        &mov(&DWP(0,"ebx","",0),"eax");
+        &mov(&DWP(4,"ebx","",0),$R);
+
+        &pop("edi");
+        &pop("esi");
+        &pop("ebp");
+        &pop("ebx");
+        &ret();
+        &function_end_B($name);
+        }
+
+