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| #! /usr/bin/env perl
| # Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
| #
| # Licensed under the OpenSSL license (the "License"). You may not use
| # this file except in compliance with the License. You can obtain a copy
| # in the file LICENSE in the source distribution or at
| # https://www.openssl.org/source/license.html
|
|
| $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);
| }
|
|
