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提交 2dae04d0 编写于 作者: A Andy Polyakov
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RC4 tune-up featuring 30-40% performance improvement on most RISC 

platforms. See crypto/rc4/rc4_enc.c for further details.
上级 def38e38
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内联 并排
Showing with 242 addition and 125 deletion
Configure
浏览文件 @ 2dae04d0
......@@ -51,6 +51,10 @@ my $usage="Usage: Configure [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [rsaref] [no
# RC4_LONG use 'long' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
# RC4_INDEX define RC4_INDEX in crypto/rc4/rc4_locl.h. This turns on
# array lookups instead of pointer use.
# RC4_CHUNK enables code that handles data aligned at long (natural CPU
# word) boundary.
# RC4_CHUNK_LL enables code that handles data aligned at long long boundary
# (intended for 64-bit CPUs running 32-bit OS).
# BF_PTR use 'pointer arithmatic' for Blowfish (unsafe on Alpha).
# BF_PTR2 intel specific version (generic version is more efficient).
# MD5_ASM use some extra md5 assember,
......@@ -109,59 +113,59 @@ my %table=(
"solaris-x86-gcc","gcc:-O3 -fomit-frame-pointer -m486 -Wall -DL_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG $x86_gcc_des $x86_gcc_opts:$x86_sol_asm",
#### SPARC Solaris with GNU C setups
"solaris-sparcv7-gcc","gcc:-O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:::",
"solaris-sparcv8-gcc","gcc:-mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8.o::",
"solaris-sparcv9-gcc","gcc:-mcpu=ultrasparc -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
"solaris-sparcv7-gcc","gcc:-O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:::",
"solaris-sparcv8-gcc","gcc:-mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8.o::",
"solaris-sparcv9-gcc","gcc:-mcpu=ultrasparc -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
# gcc pre-2.8 doesn't understand -mcpu=ultrasparc, so fall down to -mv8
# but keep the assembler modules.
"solaris-sparcv9-gcc27","gcc:-mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8plus-gcc27.o:::asm/md5-sparcv8plus-gcc27.o:",
"solaris-sparcv9-gcc27","gcc:-mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8plus-gcc27.o:::asm/md5-sparcv8plus-gcc27.o:",
####
"debug-solaris-sparcv8-gcc","gcc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -O -g -mv8 -Wall -DB_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8.o::",
"debug-solaris-sparcv9-gcc","gcc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -O -g -mcpu=ultrasparc -Wall -DB_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8plus.o::",
"debug-solaris-sparcv8-gcc","gcc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -O -g -mv8 -Wall -DB_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8.o::",
"debug-solaris-sparcv9-gcc","gcc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -O -g -mcpu=ultrasparc -Wall -DB_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8plus.o::",
#### SPARC Solaris with Sun C setups
# DO NOT use /xO[34] on sparc with SC3.0. It is broken, and will not pass the tests
"solaris-sparc-sc3","cc:-fast -O -Xa -DB_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_PTR DES_UNROLL BF_PTR:::",
"solaris-sparc-sc3","cc:-fast -O -Xa -DB_ENDIAN::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_UNROLL BF_PTR:::",
# SC4.0 doesn't pass 'make test', upgrade to SC5.0 or SC4.2.
# SC4.2 is ok, better than gcc even on bn as long as you tell it -xarch=v8
# SC5.0 note: Compiler common patch 107357-01 or later is required!
"solaris-sparcv7-cc","cc:-xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR:::",
"solaris-sparcv8-cc","cc:-xarch=v8 -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8.o::",
"solaris-sparcv9-cc","cc:-xtarget=ultra -xarch=v8plus -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
"solaris64-sparcv9-cc","cc:-xtarget=ultra -xarch=v9 -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:SIXTY_FOUR_BIT_LONG RC4_CHAR DES_INT DES_PTR DES_RISC1 DES_UNROLL BF_PTR::::asm/md5-sparcv9.o:",
"solaris-sparcv7-cc","cc:-xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC1 DES_UNROLL BF_PTR:::",
"solaris-sparcv8-cc","cc:-xarch=v8 -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8.o::",
"solaris-sparcv9-cc","cc:-xtarget=ultra -xarch=v8plus -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK_LL DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
"solaris64-sparcv9-cc","cc:-xtarget=ultra -xarch=v9 -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_PTR DES_RISC1 DES_UNROLL BF_PTR::::asm/md5-sparcv9.o:",
####
"debug-solaris-sparcv8-cc","cc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -xarch=v8 -g -O -xstrconst -Xa -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8.o::",
"debug-solaris-sparcv9-cc","cc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -xtarget=ultra -xarch=v8plus -g -O -xstrconst -Xa -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
"debug-solaris-sparcv8-cc","cc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -xarch=v8 -g -O -xstrconst -Xa -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8.o::",
"debug-solaris-sparcv9-cc","cc:-DREF_CHECK -DCRYPTO_MDEBUG_ALL -xtarget=ultra -xarch=v8plus -g -O -xstrconst -Xa -DB_ENDIAN -DBN_DIV2W -DULTRASPARC::-D_REENTRANT:-lsocket -lnsl:BN_LLONG RC4_CHAR RC4_CHUNK_LL DES_PTR DES_RISC1 DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
#### SPARC Linux setups
"linux-sparcv7","gcc:-DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::BN_LLONG RC4_CHAR DES_UNROLL BF_PTR::",
"linux-sparcv7","gcc:-DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::",
# Ray Miller <ray.miller@computing-services.oxford.ac.uk> has patiently
# assisted with debugging of following two configs.
"linux-sparcv8","gcc:-mv8 -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -DBN_DIV2W::-D_REENTRANT::BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8.o::::",
"linux-sparcv8","gcc:-mv8 -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -DBN_DIV2W::-D_REENTRANT::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8.o::::",
# it's a real mess with -mcpu=ultrasparc option under Linux, but
# -Wa,-Av8plus should do the trick no matter what.
"linux-sparcv9","gcc:-mcpu=ultrasparc -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -Wa,-Av8plus -DULTRASPARC -DBN_DIV2W::-D_REENTRANT::BN_LLONG RC4_CHAR DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
"linux-sparcv9","gcc:-mcpu=ultrasparc -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -Wa,-Av8plus -DULTRASPARC -DBN_DIV2W::-D_REENTRANT::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:asm/sparcv8plus.o:::asm/md5-sparcv8plus.o:",
# !!!Folowing can't be even tested yet!!!
# We have to wait till 64-bit glibc for SPARC is operational!!!
#"linux64-sparcv9","sparc64-linux-gcc:-m64 -mcpu=v9 -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -DULTRASPARC -DBN_DIV2W::-D_REENTRANT::BN_LLONG RC4_CHAR DES_UNROLL BF_PTR::::asm/md5-sparcv9.o:",
#"linux64-sparcv9","sparc64-linux-gcc:-m64 -mcpu=v9 -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -DULTRASPARC -DBN_DIV2W::-D_REENTRANT::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::::asm/md5-sparcv9.o:",
# Sunos configs, assuming sparc for the gcc one.
##"sunos-cc", "cc:-O4 -DNOPROTO -DNOCONST::(unknown)::DES_UNROLL:::",
"sunos-gcc","gcc:-O3 -mv8::(unknown)::BN_LLONG RC4_CHAR DES_UNROLL DES_PTR DES_RISC1:::",
"sunos-gcc","gcc:-O3 -mv8::(unknown)::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL DES_PTR DES_RISC1:::",
#### IRIX 5.x configs
# -mips2 flag is added by ./config when appropriate.
"irix-gcc","gcc:-O3 -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR DES_UNROLL DES_RISC2 DES_PTR BF_PTR:::",
"irix-cc", "cc:-O2 -use_readonly_const -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG DES_PTR DES_RISC2 DES_UNROLL BF_PTR:::",
"irix-gcc","gcc:-O3 -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR:::",
"irix-cc", "cc:-O2 -use_readonly_const -DTERMIOS -DB_ENDIAN::(unknown)::BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR:::",
#### IRIX 6.x configs
# Only N32 and N64 ABIs are supported. If you need O32 ABI build, invoke
# './Configure irix-[g]cc' manually.
# -mips4 flag is added by ./config when appropriate.
"irix-mips3-gcc","gcc:-mabi=n32 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::MD2_CHAR RC4_INDEX RC4_CHAR DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT:asm/mips3.o::",
"irix-mips3-cc", "cc:-n32 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::DES_PTR DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT:asm/mips3.o::",
"irix-mips3-gcc","gcc:-mabi=n32 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT:asm/mips3.o::",
"irix-mips3-cc", "cc:-n32 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT:asm/mips3.o::",
# N64 ABI builds.
"irix64-mips4-gcc","gcc:-mabi=64 -mips4 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o::",
"irix64-mips4-cc", "cc:-64 -mips4 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o::",
"irix64-mips4-gcc","gcc:-mabi=64 -mips4 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o::",
"irix64-mips4-cc", "cc:-64 -mips4 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W::(unknown)::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:asm/mips3.o::",
# HPUX 9.X config.
# Don't use the bundled cc. It is broken. Use HP ANSI C if possible, or
......@@ -186,17 +190,18 @@ my %table=(
# If hpux10-gcc fails, try this one:
"hpux10-brokengcc", "gcc:-DB_ENDIAN -DBN_DIV2W -O3::-D_REENTRANT::DES_PTR DES_UNROLL DES_RISC1:::",
# HPUX 11.X
"hpux11-32bit-cc","cc:+DAportable -DB_ENDIAN -D_HPUX_SOURCE -Aa -Ae +ESlit::-D_REENTRANT::DES_PTR DES_UNROLL DES_RISC1:::",
# HPUX 11.X from www.globus.org.
# Only works on PA-RISC 2.0 cpus, and not optimized. Why?
"hpux11-32bit-cc","cc:+DA2.0 -DB_ENDIAN -D_HPUX_SOURCE -Aa -Ae +ESlit::-D_REENTRANT::DES_PTR DES_UNROLL DES_RISC1:::",
"hpux11-64bit-cc","cc:+DA2.0W -g -D_HPUX_SOURCE -Aa -Ae +ESlit::-D_REENTRANT::SIXTY_FOUR_BIT_LONG MD2_CHAR RC4_INDEX RC4_CHAR DES_UNROLL DES_RISC1 DES_INT :::",
# Dec Alpha, OSF/1 - the alpha164-cc is the flags for a 21164A with
# the new compiler
# For gcc, the following gave a %50 speedup on a 164 over the 'DES_INT' version
"alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG DES_UNROLL DES_RISC1:::",
"alpha-cc", "cc:-std1 -tune host -O4 -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG:::",
"alpha164-cc", "cc:-std1 -tune host -fast -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG:::",
"FreeBSD-alpha","gcc:-DTERMIOS -O3 -fomit-frame-pointer::(unknown)::SIXTY_FOUR_BIT_LONG DES_INT DES_PTR DES_RISC2:::",
"alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_RISC1:::",
"alpha-cc", "cc:-std1 -tune host -O4 -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:::",
"alpha164-cc", "cc:-std1 -tune host -fast -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:::",
"FreeBSD-alpha","gcc:-DTERMIOS -O3 -fomit-frame-pointer::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_PTR DES_RISC2:::",
# assembler versions -- currently defunct:
##"alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG DES_UNROLL DES_RISC1:asm/alpha.o::",
......@@ -252,7 +257,7 @@ my %table=(
# for some st_addr stuff, and then sizeof and address-of fails
# I could not use the ams/alpha.o option because the Cray assembler, 'cam'
# did not like it.
"cray-t3e", "cc: -DBIT_FIELD_LIMITS -DTERMIOS::(unknown)::SIXTY_FOUR_BIT_LONG DES_INT:::",
"cray-t3e", "cc: -DBIT_FIELD_LIMITS -DTERMIOS::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT:::",
# DGUX, 88100.
"dgux-R3-gcc", "gcc:-O3 -fomit-frame-pointer::(unknown)::RC4_INDEX DES_UNROLL:::",
......@@ -602,6 +607,7 @@ my $md2_int=$def_int;
my $idea_int=$def_int;
my $rc2_int=$def_int;
my $rc4_idx=0;
my $rc4_chunk=0;
my $bf_ptr=0;
my @type=("char","short","int","long");
my ($b64l,$b64,$b32,$b16,$b8)=(0,0,1,0,0);
......@@ -619,6 +625,8 @@ foreach (sort split(/\s+/,$bn_ops))
$rc4_int=0 if /RC4_CHAR/;
$rc4_int=3 if /RC4_LONG/;
$rc4_idx=1 if /RC4_INDEX/;
$rc4_chunk=1 if /RC4_CHUNK/;
$rc4_chunk=2 if /RC4_CHUNK_LL/;
$md2_int=0 if /MD2_CHAR/;
$md2_int=3 if /MD2_LONG/;
$idea_int=1 if /IDEA_SHORT/;
......@@ -670,6 +678,12 @@ while (<IN>)
{ printf OUT "#%s DES_UNROLL\n",($des_unroll)?'define':'undef'; }
elsif (/^#define\s+RC4_INT\s/)
{ printf OUT "#define RC4_INT unsigned %s\n",$type[$rc4_int]; }
elsif (/^#undef\s+RC4_CHUNK/)
{
printf OUT "#undef RC4_CHUNK\n" if $rc4_chunk==0;
printf OUT "#define RC4_CHUNK unsigned long\n" if $rc4_chunk==1;
printf OUT "#define RC4_CHUNK unsigned long long\n" if $rc4_chunk==2;
}
elsif (/^#((define)|(undef))\s+RC4_INDEX/)
{ printf OUT "#%s RC4_INDEX\n",($rc4_idx)?"define":"undef"; }
elsif (/^#(define|undef)\s+I386_ONLY/)
......@@ -709,6 +723,9 @@ print "DES_INT used\n" if $des_int;
print "BN_LLONG mode\n" if $bn_ll;
print "RC4 uses u$type[$rc4_int]\n" if $rc4_int != $def_int;
print "RC4_INDEX mode\n" if $rc4_idx;
print "RC4_CHUNK is undefined\n" if $rc4_chunk==0;
print "RC4_CHUNK is unsigned long\n" if $rc4_chunk==1;
print "RC4_CHUNK is unsigned long long\n" if $rc4_chunk==2;
print "MD2 uses u$type[$md2_int]\n" if $md2_int != $def_int;
print "IDEA uses u$type[$idea_int]\n" if $idea_int != $def_int;
print "RC2 uses u$type[$rc2_int]\n" if $rc2_int != $def_int;
......
TABLE
浏览文件 @ 2dae04d0
......@@ -91,7 +91,7 @@ $cflags = -DTERMIOS -O3 -fomit-frame-pointer
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = SIXTY_FOUR_BIT_LONG DES_INT DES_PTR DES_RISC2
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_PTR DES_RISC2
$bn_obj =
$des_obj =
$bf_obj =
......@@ -448,7 +448,7 @@ $cflags = -std1 -tune host -O4 -readonly_strings
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = SIXTY_FOUR_BIT_LONG
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHUNK
$bn_obj =
$des_obj =
$bf_obj =
......@@ -465,7 +465,7 @@ $cflags = -O3
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = SIXTY_FOUR_BIT_LONG DES_UNROLL DES_RISC1
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_RISC1
$bn_obj =
$des_obj =
$bf_obj =
......@@ -482,7 +482,7 @@ $cflags = -std1 -tune host -fast -readonly_strings
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = SIXTY_FOUR_BIT_LONG
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHUNK
$bn_obj =
$des_obj =
$bf_obj =
......@@ -550,7 +550,7 @@ $cflags = -DBIT_FIELD_LIMITS -DTERMIOS
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = SIXTY_FOUR_BIT_LONG DES_INT
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT
$bn_obj =
$des_obj =
$bf_obj =
......@@ -703,7 +703,7 @@ $cflags = -DREF_CHECK -DCRYPTO_MDEBUG_ALL -xarch=v8 -g -O -xstrconst -Xa -
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8.o
$des_obj =
$bf_obj =
......@@ -720,7 +720,7 @@ $cflags = -DREF_CHECK -DCRYPTO_MDEBUG_ALL -O -g -mv8 -Wall -DB_ENDIAN
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8.o
$des_obj =
$bf_obj =
......@@ -737,7 +737,7 @@ $cflags = -DREF_CHECK -DCRYPTO_MDEBUG_ALL -xtarget=ultra -xarch=v8plus -g
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK_LL DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8plus.o
$des_obj =
$bf_obj =
......@@ -754,7 +754,7 @@ $cflags = -DREF_CHECK -DCRYPTO_MDEBUG_ALL -O -g -mcpu=ultrasparc -Wall -DB
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8plus.o
$des_obj =
$bf_obj =
......@@ -1043,7 +1043,7 @@ $cflags = -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = BN_LLONG DES_PTR DES_RISC2 DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1060,7 +1060,7 @@ $cflags = -O3 -DTERMIOS -DB_ENDIAN
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR DES_UNROLL DES_RISC2 DES_PTR BF_PTR
$bn_ops = BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1077,7 +1077,7 @@ $cflags = -n32 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV3W
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = DES_PTR DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT
$bn_ops = DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT
$bn_obj = asm/mips3.o
$des_obj =
$bf_obj =
......@@ -1094,7 +1094,7 @@ $cflags = -mabi=n32 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = MD2_CHAR RC4_INDEX RC4_CHAR DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT
$bn_ops = MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT
$bn_obj = asm/mips3.o
$des_obj =
$bf_obj =
......@@ -1111,7 +1111,7 @@ $cflags = -64 -mips4 -O2 -use_readonly_const -DTERMIOS -DB_ENDIAN -DBN_DIV
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG
$bn_ops = RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG
$bn_obj = asm/mips3.o
$des_obj =
$bf_obj =
......@@ -1128,7 +1128,7 @@ $cflags = -mabi=64 -mips4 -mmips-as -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG
$bn_ops = RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG
$bn_obj = asm/mips3.o
$des_obj =
$bf_obj =
......@@ -1213,7 +1213,7 @@ $cflags = -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall
$unistd =
$thread_cflag = -D_REENTRANT
$lflags =
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1230,7 +1230,7 @@ $cflags = -mv8 -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -DBN_DIV
$unistd =
$thread_cflag = -D_REENTRANT
$lflags =
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8.o
$des_obj =
$bf_obj =
......@@ -1247,7 +1247,7 @@ $cflags = -mcpu=ultrasparc -DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -W
$unistd =
$thread_cflag = -D_REENTRANT
$lflags =
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8plus.o
$des_obj =
$bf_obj =
......@@ -1366,7 +1366,7 @@ $cflags = -fast -O -Xa -DB_ENDIAN
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_PTR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_UNROLL BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1383,7 +1383,7 @@ $cflags = -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1400,7 +1400,7 @@ $cflags = -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1417,7 +1417,7 @@ $cflags = -xarch=v8 -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN -DBN_DIV2W
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8.o
$des_obj =
$bf_obj =
......@@ -1434,7 +1434,7 @@ $cflags = -mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8.o
$des_obj =
$bf_obj =
......@@ -1451,7 +1451,7 @@ $cflags = -xtarget=ultra -xarch=v8plus -xO5 -xstrconst -xdepend -Xa -DB_EN
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK_LL DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8plus.o
$des_obj =
$bf_obj =
......@@ -1468,7 +1468,7 @@ $cflags = -mcpu=ultrasparc -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8plus.o
$des_obj =
$bf_obj =
......@@ -1485,7 +1485,7 @@ $cflags = -mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W -DULTR
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL BF_PTR
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR
$bn_obj = asm/sparcv8plus-gcc27.o
$des_obj =
$bf_obj =
......@@ -1519,7 +1519,7 @@ $cflags = -xtarget=ultra -xarch=v9 -xO5 -xstrconst -xdepend -Xa -DB_ENDIAN
$unistd =
$thread_cflag = -D_REENTRANT
$lflags = -lsocket -lnsl
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHAR DES_INT DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_PTR DES_RISC1 DES_UNROLL BF_PTR
$bn_obj =
$des_obj =
$bf_obj =
......@@ -1536,7 +1536,7 @@ $cflags = -O3 -mv8
$unistd =
$thread_cflag = (unknown)
$lflags =
$bn_ops = BN_LLONG RC4_CHAR DES_UNROLL DES_PTR DES_RISC1
$bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL DES_PTR DES_RISC1
$bn_obj =
$des_obj =
$bf_obj =
......
crypto/opensslconf.h.in
浏览文件 @ 2dae04d0
......@@ -25,11 +25,25 @@
#define RC2_INT unsigned int
#endif
#if defined(HEADER_RC4_H) && !defined(RC4_INT)
#if defined(HEADER_RC4_H)
#if !defined(RC4_INT)
/* using int types make the structure larger but make the code faster
* on most boxes I have tested - up to %20 faster. */
/*
* I don't know what does "most" mean, but declaring "int" is a must on:
* - Intel P6 because partial register stalls are very expensive;
* - elder Alpha because it lacks byte load/store instructions;
*/
#define RC4_INT unsigned int
#endif
#if !defined(RC4_CHUNK)
/*
* This enables code handling data aligned at natural CPU word
* boundary. See crypto/rc4/rc4_enc.c for further details.
*/
#undef RC4_CHUNK
#endif
#endif
#if defined(HEADER_DES_H) && !defined(DES_LONG)
/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
......
crypto/rc4/rc4_enc.c
浏览文件 @ 2dae04d0
......@@ -78,7 +78,7 @@ void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata,
y=key->y;
d=key->data;
#if defined(RC4_CHUNK) && (defined(L_ENDIAN) || defined(B_ENDIAN))
#if defined(RC4_CHUNK)
/*
* The original reason for implementing this(*) was the fact that
* pre-21164a Alpha CPUs don't have byte load/store instructions
......@@ -87,21 +87,30 @@ void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata,
* at natural word size made it possible to reduce amount of
* instructions as well as to perform early read-ahead without
* suffering from RAW (read-after-write) hazard. This resulted
* in >40%(**) performance improvement (on 21064 box with gcc).
* in ~40%(**) performance improvement on 21064 box with gcc.
* But it's not only Alpha users who win here:-) Thanks to the
* early-n-wide read-ahead this implementation also exhibits
* >40% speed-up on SPARC and almost 20% on MIPS.
* >40% speed-up on SPARC and 20-30% on 64-bit MIPS (depending
* on sizeof(RC4_INT)).
*
* (*) "this" means code which recognizes the case when input
* and output pointers appear to be aligned at natural CPU
* word boundary.
* word boundary
* (**) i.e. according to 'apps/openssl speed rc4' benchmark,
* crypto/rc4/rc4speed.c exhibits almost 70% speed-up.
* crypto/rc4/rc4speed.c exhibits almost 70% speed-up...
*
* Cavets.
*
* - RC4_CHUNK="unsigned long long" should be a #1 choice for
* UltraSPARC. Unfortunately gcc generates very slow code
* (2.5-3 times slower than one generated by Sun's WorkShop
* C) and therefore gcc (at least 2.95 and earlier) should
* always be told that RC4_CHUNK="unsigned long".
*
* <appro@fy.chalmers.se>
*/
#define RC4_STEP ( \
# define RC4_STEP ( \
x=(x+1) &0xff, \
tx=d[x], \
y=(tx+y)&0xff, \
......@@ -111,70 +120,148 @@ void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata,
(RC4_CHUNK)d[(tx+ty)&0xff]\
)
#if defined(L_ENDIAN)
# define SHFT(c) ((c)*8)
# define MASK(i) (((RC4_CHUNK)-1)>>((sizeof(RC4_CHUNK)-(i))<<3))
# define SHINC 8
#elif defined(B_ENDIAN)
# define SHFT(c) ((sizeof(RC4_CHUNK)-(c)-1)*8)
# define MASK(i) (((RC4_CHUNK)-1)<<((sizeof(RC4_CHUNK)-(i))<<3))
# define SHINC -8
#else
# error "L_ENDIAN or B_ENDIAN *must* be defined!"
#endif
if ( ( ((unsigned long)indata & (sizeof(RC4_CHUNK)-1)) |
((unsigned long)outdata & (sizeof(RC4_CHUNK)-1)) ) == 0
) {
RC4_CHUNK ichunk,cipher;
((unsigned long)outdata & (sizeof(RC4_CHUNK)-1)) ) == 0 )
{
RC4_CHUNK ichunk,otp;
const union { long one; char little; } is_endian = {1};
for (;len&-sizeof(RC4_CHUNK);len-=sizeof(RC4_CHUNK)) {
ichunk = *(RC4_CHUNK *)indata;
cipher = RC4_STEP<<SHFT(0);
cipher |= RC4_STEP<<SHFT(1);
cipher |= RC4_STEP<<SHFT(2);
cipher |= RC4_STEP<<SHFT(3);
#ifdef RC4_CHUNK_IS_64_BIT
cipher |= RC4_STEP<<SHFT(4);
cipher |= RC4_STEP<<SHFT(5);
cipher |= RC4_STEP<<SHFT(6);
cipher |= RC4_STEP<<SHFT(7);
#endif
*(RC4_CHUNK *)outdata = cipher^ichunk;
indata += sizeof(RC4_CHUNK);
outdata += sizeof(RC4_CHUNK);
}
if (len) {
RC4_CHUNK mask,ochunk;
/*
* I reckon we can afford to implement both endian
* cases and to decide which way to take at run-time
* because the machine code appears to be very compact
* and redundant 1-2KB is perfectly tolerable (i.e.
* in case the compiler fails to eliminate it:-). By
* suggestion from Terrel Larson <terr@terralogic.net>
* who also stands for the is_endian union:-)
*
* Special notes.
*
* - is_endian is declared automatic as doing otherwise
* (declaring static) prevents gcc from eliminating
* the redundant code;
* - compilers (those I've tried) don't seem to have
* problems eliminating either the operators guarded
* by "if (sizeof(RC4_CHUNK)==8)" or the condition
* expressions themselves so I've got 'em to replace
* corresponding #ifdefs from the previous version;
* - I chose to let the redundant switch cases when
* sizeof(RC4_CHUNK)!=8 be (were also #ifdefed
* before);
* - in case you wonder "&(sizeof(RC4_CHUNK)*8-1)" in
* [LB]ESHFT guards against "shift is out of range"
* warnings when sizeof(RC4_CHUNK)!=8
*
* <appro@fy.chalmers.se>
*/
if (!is_endian.little)
{ /* BIG-ENDIAN CASE */
# define BESHFT(c) (((sizeof(RC4_CHUNK)-(c)-1)*8)&(sizeof(RC4_CHUNK)*8-1))
for (;len&-sizeof(RC4_CHUNK);len-=sizeof(RC4_CHUNK))
{
ichunk = *(RC4_CHUNK *)indata;
otp = RC4_STEP<<BESHFT(0);
otp |= RC4_STEP<<BESHFT(1);
otp |= RC4_STEP<<BESHFT(2);
otp |= RC4_STEP<<BESHFT(3);
if (sizeof(RC4_CHUNK)==8)
{
otp |= RC4_STEP<<BESHFT(4);
otp |= RC4_STEP<<BESHFT(5);
otp |= RC4_STEP<<BESHFT(6);
otp |= RC4_STEP<<BESHFT(7);
}
*(RC4_CHUNK *)outdata = otp^ichunk;
indata += sizeof(RC4_CHUNK);
outdata += sizeof(RC4_CHUNK);
}
if (len)
{
RC4_CHUNK mask=(RC4_CHUNK)-1, ochunk;
ichunk = *(RC4_CHUNK *)indata;
ochunk = *(RC4_CHUNK *)outdata;
cipher = 0;
i = SHFT(0);
mask = MASK(len);
switch (len) {
#ifdef RC4_CHUNK_IS_64_BIT
case 7: cipher = RC4_STEP<<SHFT(0), i+=SHINC;
case 6: cipher |= RC4_STEP<<i, i+=SHINC;
case 5: cipher |= RC4_STEP<<i, i+=SHINC;
case 4: cipher |= RC4_STEP<<i, i+=SHINC;
case 3: cipher |= RC4_STEP<<i, i+=SHINC;
#else
case 3: cipher = RC4_STEP<<SHFT(0), i+=SHINC;
#endif
case 2: cipher |= RC4_STEP<<i, i+=SHINC;
case 1: cipher |= RC4_STEP<<i, i+=SHINC;
case 0: ; /* it's never the case, but it
has to be here for ultrix? */
ichunk = *(RC4_CHUNK *)indata;
ochunk = *(RC4_CHUNK *)outdata;
otp = 0;
i = BESHFT(0);
mask <<= (sizeof(RC4_CHUNK)-len)<<3;
switch (len&(sizeof(RC4_CHUNK)-1))
{
case 7: otp = RC4_STEP<<i, i-=8;
case 6: otp |= RC4_STEP<<i, i-=8;
case 5: otp |= RC4_STEP<<i, i-=8;
case 4: otp |= RC4_STEP<<i, i-=8;
case 3: otp |= RC4_STEP<<i, i-=8;
case 2: otp |= RC4_STEP<<i, i-=8;
case 1: otp |= RC4_STEP<<i, i-=8;
case 0: ; /*
* it's never the case,
* but it has to be here
* for ultrix?
*/
}
ochunk &= ~mask;
ochunk |= (otp^ichunk) & mask;
*(RC4_CHUNK *)outdata = ochunk;
}
key->x=x;
key->y=y;
return;
}
else
{ /* LITTLE-ENDIAN CASE */
# define LESHFT(c) (((c)*8)&(sizeof(RC4_CHUNK)*8-1))
for (;len&-sizeof(RC4_CHUNK);len-=sizeof(RC4_CHUNK))
{
ichunk = *(RC4_CHUNK *)indata;
otp = RC4_STEP;
otp |= RC4_STEP<<8;
otp |= RC4_STEP<<16;
otp |= RC4_STEP<<24;
if (sizeof(RC4_CHUNK)==8)
{
otp |= RC4_STEP<<LESHFT(4);
otp |= RC4_STEP<<LESHFT(5);
otp |= RC4_STEP<<LESHFT(6);
otp |= RC4_STEP<<LESHFT(7);
}
*(RC4_CHUNK *)outdata = otp^ichunk;
indata += sizeof(RC4_CHUNK);
outdata += sizeof(RC4_CHUNK);
}
if (len)
{
RC4_CHUNK mask=(RC4_CHUNK)-1, ochunk;
ichunk = *(RC4_CHUNK *)indata;
ochunk = *(RC4_CHUNK *)outdata;
otp = 0;
i = 0;
mask >>= (sizeof(RC4_CHUNK)-len)<<3;
switch (len&(sizeof(RC4_CHUNK)-1))
{
case 7: otp = RC4_STEP, i+=8;
case 6: otp |= RC4_STEP<<i, i+=8;
case 5: otp |= RC4_STEP<<i, i+=8;
case 4: otp |= RC4_STEP<<i, i+=8;
case 3: otp |= RC4_STEP<<i, i+=8;
case 2: otp |= RC4_STEP<<i, i+=8;
case 1: otp |= RC4_STEP<<i, i+=8;
case 0: ; /*
* it's never the case,
* but it has to be here
* for ultrix?
*/
}
ochunk &= ~mask;
ochunk |= (otp^ichunk) & mask;
*(RC4_CHUNK *)outdata = ochunk;
}
key->x=x;
key->y=y;
return;
}
ochunk &= ~mask;
ochunk |= (cipher^ichunk) & mask;
*(RC4_CHUNK *)outdata = ochunk;
}
}
else
#endif
{
#define LOOP(in,out) \
x=((x+1)&0xff); \
tx=d[x]; \
......@@ -223,7 +310,6 @@ void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata,
RC4_LOOP(indata,outdata,6); if (--i == 0) break;
}
}
}
key->x=x;
key->y=y;
}
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