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Diffstat (limited to 'deps/openssl/openssl/crypto/aes/asm/aesni-x86_64.pl')
-rw-r--r--deps/openssl/openssl/crypto/aes/asm/aesni-x86_64.pl1028
1 files changed, 1020 insertions, 8 deletions
diff --git a/deps/openssl/openssl/crypto/aes/asm/aesni-x86_64.pl b/deps/openssl/openssl/crypto/aes/asm/aesni-x86_64.pl
index 25ca574f6a..98ca17991d 100644
--- a/deps/openssl/openssl/crypto/aes/asm/aesni-x86_64.pl
+++ b/deps/openssl/openssl/crypto/aes/asm/aesni-x86_64.pl
@@ -1,4 +1,11 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2009-2016 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
+
#
# ====================================================================
# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
@@ -157,16 +164,23 @@
# one byte out of 8KB with 128-bit key, Sandy Bridge - 0.90. Just like
# in CTR mode AES instruction interleave factor was chosen to be 6x.
+# November 2015
+#
+# Add aesni_ocb_[en|de]crypt. AES instruction interleave factor was
+# chosen to be 6x.
+
######################################################################
# Current large-block performance in cycles per byte processed with
# 128-bit key (less is better).
#
-# CBC en-/decrypt CTR XTS ECB
+# CBC en-/decrypt CTR XTS ECB OCB
# Westmere 3.77/1.25 1.25 1.25 1.26
-# * Bridge 5.07/0.74 0.75 0.90 0.85
-# Haswell 4.44/0.63 0.63 0.73 0.63
-# Silvermont 5.75/3.54 3.56 4.12 3.87(*)
-# Bulldozer 5.77/0.70 0.72 0.90 0.70
+# * Bridge 5.07/0.74 0.75 0.90 0.85 0.98
+# Haswell 4.44/0.63 0.63 0.73 0.63 0.70
+# Skylake 2.62/0.63 0.63 0.63 0.63
+# Silvermont 5.75/3.54 3.56 4.12 3.87(*) 4.11
+# Goldmont 3.82/1.26 1.26 1.29 1.29 1.50
+# Bulldozer 5.77/0.70 0.72 0.90 0.70 0.95
#
# (*) Atom Silvermont ECB result is suboptimal because of penalties
# incurred by operations on %xmm8-15. As ECB is not considered
@@ -187,7 +201,7 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";
-open OUT,"| \"$^X\" $xlate $flavour $output";
+open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
*STDOUT=*OUT;
$movkey = $PREFIX eq "aesni" ? "movups" : "movups";
@@ -2708,6 +2722,925 @@ $code.=<<___;
ret
.size aesni_xts_decrypt,.-aesni_xts_decrypt
___
+}
+
+######################################################################
+# void aesni_ocb_[en|de]crypt(const char *inp, char *out, size_t blocks,
+# const AES_KEY *key, unsigned int start_block_num,
+# unsigned char offset_i[16], const unsigned char L_[][16],
+# unsigned char checksum[16]);
+#
+{
+my @offset=map("%xmm$_",(10..15));
+my ($checksum,$rndkey0l)=("%xmm8","%xmm9");
+my ($block_num,$offset_p)=("%r8","%r9"); # 5th and 6th arguments
+my ($L_p,$checksum_p) = ("%rbx","%rbp");
+my ($i1,$i3,$i5) = ("%r12","%r13","%r14");
+my $seventh_arg = $win64 ? 56 : 8;
+my $blocks = $len;
+
+$code.=<<___;
+.globl aesni_ocb_encrypt
+.type aesni_ocb_encrypt,\@function,6
+.align 32
+aesni_ocb_encrypt:
+ lea (%rsp),%rax
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+___
+$code.=<<___ if ($win64);
+ lea -0xa0(%rsp),%rsp
+ movaps %xmm6,0x00(%rsp) # offload everything
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,0x40(%rsp)
+ movaps %xmm11,0x50(%rsp)
+ movaps %xmm12,0x60(%rsp)
+ movaps %xmm13,0x70(%rsp)
+ movaps %xmm14,0x80(%rsp)
+ movaps %xmm15,0x90(%rsp)
+.Locb_enc_body:
+___
+$code.=<<___;
+ mov $seventh_arg(%rax),$L_p # 7th argument
+ mov $seventh_arg+8(%rax),$checksum_p# 8th argument
+
+ mov 240($key),$rnds_
+ mov $key,$key_
+ shl \$4,$rnds_
+ $movkey ($key),$rndkey0l # round[0]
+ $movkey 16($key,$rnds_),$rndkey1 # round[last]
+
+ movdqu ($offset_p),@offset[5] # load last offset_i
+ pxor $rndkey1,$rndkey0l # round[0] ^ round[last]
+ pxor $rndkey1,@offset[5] # offset_i ^ round[last]
+
+ mov \$16+32,$rounds
+ lea 32($key_,$rnds_),$key
+ $movkey 16($key_),$rndkey1 # round[1]
+ sub %r10,%rax # twisted $rounds
+ mov %rax,%r10 # backup twisted $rounds
+
+ movdqu ($L_p),@offset[0] # L_0 for all odd-numbered blocks
+ movdqu ($checksum_p),$checksum # load checksum
+
+ test \$1,$block_num # is first block number odd?
+ jnz .Locb_enc_odd
+
+ bsf $block_num,$i1
+ add \$1,$block_num
+ shl \$4,$i1
+ movdqu ($L_p,$i1),$inout5 # borrow
+ movdqu ($inp),$inout0
+ lea 16($inp),$inp
+
+ call __ocb_encrypt1
+
+ movdqa $inout5,@offset[5]
+ movups $inout0,($out)
+ lea 16($out),$out
+ sub \$1,$blocks
+ jz .Locb_enc_done
+
+.Locb_enc_odd:
+ lea 1($block_num),$i1 # even-numbered blocks
+ lea 3($block_num),$i3
+ lea 5($block_num),$i5
+ lea 6($block_num),$block_num
+ bsf $i1,$i1 # ntz(block)
+ bsf $i3,$i3
+ bsf $i5,$i5
+ shl \$4,$i1 # ntz(block) -> table offset
+ shl \$4,$i3
+ shl \$4,$i5
+
+ sub \$6,$blocks
+ jc .Locb_enc_short
+ jmp .Locb_enc_grandloop
+
+.align 32
+.Locb_enc_grandloop:
+ movdqu `16*0`($inp),$inout0 # load input
+ movdqu `16*1`($inp),$inout1
+ movdqu `16*2`($inp),$inout2
+ movdqu `16*3`($inp),$inout3
+ movdqu `16*4`($inp),$inout4
+ movdqu `16*5`($inp),$inout5
+ lea `16*6`($inp),$inp
+
+ call __ocb_encrypt6
+
+ movups $inout0,`16*0`($out) # store output
+ movups $inout1,`16*1`($out)
+ movups $inout2,`16*2`($out)
+ movups $inout3,`16*3`($out)
+ movups $inout4,`16*4`($out)
+ movups $inout5,`16*5`($out)
+ lea `16*6`($out),$out
+ sub \$6,$blocks
+ jnc .Locb_enc_grandloop
+
+.Locb_enc_short:
+ add \$6,$blocks
+ jz .Locb_enc_done
+
+ movdqu `16*0`($inp),$inout0
+ cmp \$2,$blocks
+ jb .Locb_enc_one
+ movdqu `16*1`($inp),$inout1
+ je .Locb_enc_two
+
+ movdqu `16*2`($inp),$inout2
+ cmp \$4,$blocks
+ jb .Locb_enc_three
+ movdqu `16*3`($inp),$inout3
+ je .Locb_enc_four
+
+ movdqu `16*4`($inp),$inout4
+ pxor $inout5,$inout5
+
+ call __ocb_encrypt6
+
+ movdqa @offset[4],@offset[5]
+ movups $inout0,`16*0`($out)
+ movups $inout1,`16*1`($out)
+ movups $inout2,`16*2`($out)
+ movups $inout3,`16*3`($out)
+ movups $inout4,`16*4`($out)
+
+ jmp .Locb_enc_done
+
+.align 16
+.Locb_enc_one:
+ movdqa @offset[0],$inout5 # borrow
+
+ call __ocb_encrypt1
+
+ movdqa $inout5,@offset[5]
+ movups $inout0,`16*0`($out)
+ jmp .Locb_enc_done
+
+.align 16
+.Locb_enc_two:
+ pxor $inout2,$inout2
+ pxor $inout3,$inout3
+
+ call __ocb_encrypt4
+
+ movdqa @offset[1],@offset[5]
+ movups $inout0,`16*0`($out)
+ movups $inout1,`16*1`($out)
+
+ jmp .Locb_enc_done
+
+.align 16
+.Locb_enc_three:
+ pxor $inout3,$inout3
+
+ call __ocb_encrypt4
+
+ movdqa @offset[2],@offset[5]
+ movups $inout0,`16*0`($out)
+ movups $inout1,`16*1`($out)
+ movups $inout2,`16*2`($out)
+
+ jmp .Locb_enc_done
+
+.align 16
+.Locb_enc_four:
+ call __ocb_encrypt4
+
+ movdqa @offset[3],@offset[5]
+ movups $inout0,`16*0`($out)
+ movups $inout1,`16*1`($out)
+ movups $inout2,`16*2`($out)
+ movups $inout3,`16*3`($out)
+
+.Locb_enc_done:
+ pxor $rndkey0,@offset[5] # "remove" round[last]
+ movdqu $checksum,($checksum_p) # store checksum
+ movdqu @offset[5],($offset_p) # store last offset_i
+
+ xorps %xmm0,%xmm0 # clear register bank
+ pxor %xmm1,%xmm1
+ pxor %xmm2,%xmm2
+ pxor %xmm3,%xmm3
+ pxor %xmm4,%xmm4
+ pxor %xmm5,%xmm5
+___
+$code.=<<___ if (!$win64);
+ pxor %xmm6,%xmm6
+ pxor %xmm7,%xmm7
+ pxor %xmm8,%xmm8
+ pxor %xmm9,%xmm9
+ pxor %xmm10,%xmm10
+ pxor %xmm11,%xmm11
+ pxor %xmm12,%xmm12
+ pxor %xmm13,%xmm13
+ pxor %xmm14,%xmm14
+ pxor %xmm15,%xmm15
+___
+$code.=<<___ if ($win64);
+ movaps 0x00(%rsp),%xmm6
+ movaps %xmm0,0x00(%rsp) # clear stack
+ movaps 0x10(%rsp),%xmm7
+ movaps %xmm0,0x10(%rsp)
+ movaps 0x20(%rsp),%xmm8
+ movaps %xmm0,0x20(%rsp)
+ movaps 0x30(%rsp),%xmm9
+ movaps %xmm0,0x30(%rsp)
+ movaps 0x40(%rsp),%xmm10
+ movaps %xmm0,0x40(%rsp)
+ movaps 0x50(%rsp),%xmm11
+ movaps %xmm0,0x50(%rsp)
+ movaps 0x60(%rsp),%xmm12
+ movaps %xmm0,0x60(%rsp)
+ movaps 0x70(%rsp),%xmm13
+ movaps %xmm0,0x70(%rsp)
+ movaps 0x80(%rsp),%xmm14
+ movaps %xmm0,0x80(%rsp)
+ movaps 0x90(%rsp),%xmm15
+ movaps %xmm0,0x90(%rsp)
+ lea 0xa0+0x28(%rsp),%rax
+.Locb_enc_pop:
+ lea 0xa0(%rsp),%rsp
+___
+$code.=<<___;
+ pop %r14
+ pop %r13
+ pop %r12
+ pop %rbp
+ pop %rbx
+.Locb_enc_epilogue:
+ ret
+.size aesni_ocb_encrypt,.-aesni_ocb_encrypt
+
+.type __ocb_encrypt6,\@abi-omnipotent
+.align 32
+__ocb_encrypt6:
+ pxor $rndkey0l,@offset[5] # offset_i ^ round[0]
+ movdqu ($L_p,$i1),@offset[1]
+ movdqa @offset[0],@offset[2]
+ movdqu ($L_p,$i3),@offset[3]
+ movdqa @offset[0],@offset[4]
+ pxor @offset[5],@offset[0]
+ movdqu ($L_p,$i5),@offset[5]
+ pxor @offset[0],@offset[1]
+ pxor $inout0,$checksum # accumulate checksum
+ pxor @offset[0],$inout0 # input ^ round[0] ^ offset_i
+ pxor @offset[1],@offset[2]
+ pxor $inout1,$checksum
+ pxor @offset[1],$inout1
+ pxor @offset[2],@offset[3]
+ pxor $inout2,$checksum
+ pxor @offset[2],$inout2
+ pxor @offset[3],@offset[4]
+ pxor $inout3,$checksum
+ pxor @offset[3],$inout3
+ pxor @offset[4],@offset[5]
+ pxor $inout4,$checksum
+ pxor @offset[4],$inout4
+ pxor $inout5,$checksum
+ pxor @offset[5],$inout5
+ $movkey 32($key_),$rndkey0
+
+ lea 1($block_num),$i1 # even-numbered blocks
+ lea 3($block_num),$i3
+ lea 5($block_num),$i5
+ add \$6,$block_num
+ pxor $rndkey0l,@offset[0] # offset_i ^ round[last]
+ bsf $i1,$i1 # ntz(block)
+ bsf $i3,$i3
+ bsf $i5,$i5
+
+ aesenc $rndkey1,$inout0
+ aesenc $rndkey1,$inout1
+ aesenc $rndkey1,$inout2
+ aesenc $rndkey1,$inout3
+ pxor $rndkey0l,@offset[1]
+ pxor $rndkey0l,@offset[2]
+ aesenc $rndkey1,$inout4
+ pxor $rndkey0l,@offset[3]
+ pxor $rndkey0l,@offset[4]
+ aesenc $rndkey1,$inout5
+ $movkey 48($key_),$rndkey1
+ pxor $rndkey0l,@offset[5]
+
+ aesenc $rndkey0,$inout0
+ aesenc $rndkey0,$inout1
+ aesenc $rndkey0,$inout2
+ aesenc $rndkey0,$inout3
+ aesenc $rndkey0,$inout4
+ aesenc $rndkey0,$inout5
+ $movkey 64($key_),$rndkey0
+ shl \$4,$i1 # ntz(block) -> table offset
+ shl \$4,$i3
+ jmp .Locb_enc_loop6
+
+.align 32
+.Locb_enc_loop6:
+ aesenc $rndkey1,$inout0
+ aesenc $rndkey1,$inout1
+ aesenc $rndkey1,$inout2
+ aesenc $rndkey1,$inout3
+ aesenc $rndkey1,$inout4
+ aesenc $rndkey1,$inout5
+ $movkey ($key,%rax),$rndkey1
+ add \$32,%rax
+
+ aesenc $rndkey0,$inout0
+ aesenc $rndkey0,$inout1
+ aesenc $rndkey0,$inout2
+ aesenc $rndkey0,$inout3
+ aesenc $rndkey0,$inout4
+ aesenc $rndkey0,$inout5
+ $movkey -16($key,%rax),$rndkey0
+ jnz .Locb_enc_loop6
+
+ aesenc $rndkey1,$inout0
+ aesenc $rndkey1,$inout1
+ aesenc $rndkey1,$inout2
+ aesenc $rndkey1,$inout3
+ aesenc $rndkey1,$inout4
+ aesenc $rndkey1,$inout5
+ $movkey 16($key_),$rndkey1
+ shl \$4,$i5
+
+ aesenclast @offset[0],$inout0
+ movdqu ($L_p),@offset[0] # L_0 for all odd-numbered blocks
+ mov %r10,%rax # restore twisted rounds
+ aesenclast @offset[1],$inout1
+ aesenclast @offset[2],$inout2
+ aesenclast @offset[3],$inout3
+ aesenclast @offset[4],$inout4
+ aesenclast @offset[5],$inout5
+ ret
+.size __ocb_encrypt6,.-__ocb_encrypt6
+
+.type __ocb_encrypt4,\@abi-omnipotent
+.align 32
+__ocb_encrypt4:
+ pxor $rndkey0l,@offset[5] # offset_i ^ round[0]
+ movdqu ($L_p,$i1),@offset[1]
+ movdqa @offset[0],@offset[2]
+ movdqu ($L_p,$i3),@offset[3]
+ pxor @offset[5],@offset[0]
+ pxor @offset[0],@offset[1]
+ pxor $inout0,$checksum # accumulate checksum
+ pxor @offset[0],$inout0 # input ^ round[0] ^ offset_i
+ pxor @offset[1],@offset[2]
+ pxor $inout1,$checksum
+ pxor @offset[1],$inout1
+ pxor @offset[2],@offset[3]
+ pxor $inout2,$checksum
+ pxor @offset[2],$inout2
+ pxor $inout3,$checksum
+ pxor @offset[3],$inout3
+ $movkey 32($key_),$rndkey0
+
+ pxor $rndkey0l,@offset[0] # offset_i ^ round[last]
+ pxor $rndkey0l,@offset[1]
+ pxor $rndkey0l,@offset[2]
+ pxor $rndkey0l,@offset[3]
+
+ aesenc $rndkey1,$inout0
+ aesenc $rndkey1,$inout1
+ aesenc $rndkey1,$inout2
+ aesenc $rndkey1,$inout3
+ $movkey 48($key_),$rndkey1
+
+ aesenc $rndkey0,$inout0
+ aesenc $rndkey0,$inout1
+ aesenc $rndkey0,$inout2
+ aesenc $rndkey0,$inout3
+ $movkey 64($key_),$rndkey0
+ jmp .Locb_enc_loop4
+
+.align 32
+.Locb_enc_loop4:
+ aesenc $rndkey1,$inout0
+ aesenc $rndkey1,$inout1
+ aesenc $rndkey1,$inout2
+ aesenc $rndkey1,$inout3
+ $movkey ($key,%rax),$rndkey1
+ add \$32,%rax
+
+ aesenc $rndkey0,$inout0
+ aesenc $rndkey0,$inout1
+ aesenc $rndkey0,$inout2
+ aesenc $rndkey0,$inout3
+ $movkey -16($key,%rax),$rndkey0
+ jnz .Locb_enc_loop4
+
+ aesenc $rndkey1,$inout0
+ aesenc $rndkey1,$inout1
+ aesenc $rndkey1,$inout2
+ aesenc $rndkey1,$inout3
+ $movkey 16($key_),$rndkey1
+ mov %r10,%rax # restore twisted rounds
+
+ aesenclast @offset[0],$inout0
+ aesenclast @offset[1],$inout1
+ aesenclast @offset[2],$inout2
+ aesenclast @offset[3],$inout3
+ ret
+.size __ocb_encrypt4,.-__ocb_encrypt4
+
+.type __ocb_encrypt1,\@abi-omnipotent
+.align 32
+__ocb_encrypt1:
+ pxor @offset[5],$inout5 # offset_i
+ pxor $rndkey0l,$inout5 # offset_i ^ round[0]
+ pxor $inout0,$checksum # accumulate checksum
+ pxor $inout5,$inout0 # input ^ round[0] ^ offset_i
+ $movkey 32($key_),$rndkey0
+
+ aesenc $rndkey1,$inout0
+ $movkey 48($key_),$rndkey1
+ pxor $rndkey0l,$inout5 # offset_i ^ round[last]
+
+ aesenc $rndkey0,$inout0
+ $movkey 64($key_),$rndkey0
+ jmp .Locb_enc_loop1
+
+.align 32
+.Locb_enc_loop1:
+ aesenc $rndkey1,$inout0
+ $movkey ($key,%rax),$rndkey1
+ add \$32,%rax
+
+ aesenc $rndkey0,$inout0
+ $movkey -16($key,%rax),$rndkey0
+ jnz .Locb_enc_loop1
+
+ aesenc $rndkey1,$inout0
+ $movkey 16($key_),$rndkey1 # redundant in tail
+ mov %r10,%rax # restore twisted rounds
+
+ aesenclast $inout5,$inout0
+ ret
+.size __ocb_encrypt1,.-__ocb_encrypt1
+
+.globl aesni_ocb_decrypt
+.type aesni_ocb_decrypt,\@function,6
+.align 32
+aesni_ocb_decrypt:
+ lea (%rsp),%rax
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+___
+$code.=<<___ if ($win64);
+ lea -0xa0(%rsp),%rsp
+ movaps %xmm6,0x00(%rsp) # offload everything
+ movaps %xmm7,0x10(%rsp)
+ movaps %xmm8,0x20(%rsp)
+ movaps %xmm9,0x30(%rsp)
+ movaps %xmm10,0x40(%rsp)
+ movaps %xmm11,0x50(%rsp)
+ movaps %xmm12,0x60(%rsp)
+ movaps %xmm13,0x70(%rsp)
+ movaps %xmm14,0x80(%rsp)
+ movaps %xmm15,0x90(%rsp)
+.Locb_dec_body:
+___
+$code.=<<___;
+ mov $seventh_arg(%rax),$L_p # 7th argument
+ mov $seventh_arg+8(%rax),$checksum_p# 8th argument
+
+ mov 240($key),$rnds_
+ mov $key,$key_
+ shl \$4,$rnds_
+ $movkey ($key),$rndkey0l # round[0]
+ $movkey 16($key,$rnds_),$rndkey1 # round[last]
+
+ movdqu ($offset_p),@offset[5] # load last offset_i
+ pxor $rndkey1,$rndkey0l # round[0] ^ round[last]
+ pxor $rndkey1,@offset[5] # offset_i ^ round[last]
+
+ mov \$16+32,$rounds
+ lea 32($key_,$rnds_),$key
+ $movkey 16($key_),$rndkey1 # round[1]
+ sub %r10,%rax # twisted $rounds
+ mov %rax,%r10 # backup twisted $rounds
+
+ movdqu ($L_p),@offset[0] # L_0 for all odd-numbered blocks
+ movdqu ($checksum_p),$checksum # load checksum
+
+ test \$1,$block_num # is first block number odd?
+ jnz .Locb_dec_odd
+
+ bsf $block_num,$i1
+ add \$1,$block_num
+ shl \$4,$i1
+ movdqu ($L_p,$i1),$inout5 # borrow
+ movdqu ($inp),$inout0
+ lea 16($inp),$inp
+
+ call __ocb_decrypt1
+
+ movdqa $inout5,@offset[5]
+ movups $inout0,($out)
+ xorps $inout0,$checksum # accumulate checksum
+ lea 16($out),$out
+ sub \$1,$blocks
+ jz .Locb_dec_done
+
+.Locb_dec_odd:
+ lea 1($block_num),$i1 # even-numbered blocks
+ lea 3($block_num),$i3
+ lea 5($block_num),$i5
+ lea 6($block_num),$block_num
+ bsf $i1,$i1 # ntz(block)
+ bsf $i3,$i3
+ bsf $i5,$i5
+ shl \$4,$i1 # ntz(block) -> table offset
+ shl \$4,$i3
+ shl \$4,$i5
+
+ sub \$6,$blocks
+ jc .Locb_dec_short
+ jmp .Locb_dec_grandloop
+
+.align 32
+.Locb_dec_grandloop:
+ movdqu `16*0`($inp),$inout0 # load input
+ movdqu `16*1`($inp),$inout1
+ movdqu `16*2`($inp),$inout2
+ movdqu `16*3`($inp),$inout3
+ movdqu `16*4`($inp),$inout4
+ movdqu `16*5`($inp),$inout5
+ lea `16*6`($inp),$inp
+
+ call __ocb_decrypt6
+
+ movups $inout0,`16*0`($out) # store output
+ pxor $inout0,$checksum # accumulate checksum
+ movups $inout1,`16*1`($out)
+ pxor $inout1,$checksum
+ movups $inout2,`16*2`($out)
+ pxor $inout2,$checksum
+ movups $inout3,`16*3`($out)
+ pxor $inout3,$checksum
+ movups $inout4,`16*4`($out)
+ pxor $inout4,$checksum
+ movups $inout5,`16*5`($out)
+ pxor $inout5,$checksum
+ lea `16*6`($out),$out
+ sub \$6,$blocks
+ jnc .Locb_dec_grandloop
+
+.Locb_dec_short:
+ add \$6,$blocks
+ jz .Locb_dec_done
+
+ movdqu `16*0`($inp),$inout0
+ cmp \$2,$blocks
+ jb .Locb_dec_one
+ movdqu `16*1`($inp),$inout1
+ je .Locb_dec_two
+
+ movdqu `16*2`($inp),$inout2
+ cmp \$4,$blocks
+ jb .Locb_dec_three
+ movdqu `16*3`($inp),$inout3
+ je .Locb_dec_four
+
+ movdqu `16*4`($inp),$inout4
+ pxor $inout5,$inout5
+
+ call __ocb_decrypt6
+
+ movdqa @offset[4],@offset[5]
+ movups $inout0,`16*0`($out) # store output
+ pxor $inout0,$checksum # accumulate checksum
+ movups $inout1,`16*1`($out)
+ pxor $inout1,$checksum
+ movups $inout2,`16*2`($out)
+ pxor $inout2,$checksum
+ movups $inout3,`16*3`($out)
+ pxor $inout3,$checksum
+ movups $inout4,`16*4`($out)
+ pxor $inout4,$checksum
+
+ jmp .Locb_dec_done
+
+.align 16
+.Locb_dec_one:
+ movdqa @offset[0],$inout5 # borrow
+
+ call __ocb_decrypt1
+
+ movdqa $inout5,@offset[5]
+ movups $inout0,`16*0`($out) # store output
+ xorps $inout0,$checksum # accumulate checksum
+ jmp .Locb_dec_done
+
+.align 16
+.Locb_dec_two:
+ pxor $inout2,$inout2
+ pxor $inout3,$inout3
+
+ call __ocb_decrypt4
+
+ movdqa @offset[1],@offset[5]
+ movups $inout0,`16*0`($out) # store output
+ xorps $inout0,$checksum # accumulate checksum
+ movups $inout1,`16*1`($out)
+ xorps $inout1,$checksum
+
+ jmp .Locb_dec_done
+
+.align 16
+.Locb_dec_three:
+ pxor $inout3,$inout3
+
+ call __ocb_decrypt4
+
+ movdqa @offset[2],@offset[5]
+ movups $inout0,`16*0`($out) # store output
+ xorps $inout0,$checksum # accumulate checksum
+ movups $inout1,`16*1`($out)
+ xorps $inout1,$checksum
+ movups $inout2,`16*2`($out)
+ xorps $inout2,$checksum
+
+ jmp .Locb_dec_done
+
+.align 16
+.Locb_dec_four:
+ call __ocb_decrypt4
+
+ movdqa @offset[3],@offset[5]
+ movups $inout0,`16*0`($out) # store output
+ pxor $inout0,$checksum # accumulate checksum
+ movups $inout1,`16*1`($out)
+ pxor $inout1,$checksum
+ movups $inout2,`16*2`($out)
+ pxor $inout2,$checksum
+ movups $inout3,`16*3`($out)
+ pxor $inout3,$checksum
+
+.Locb_dec_done:
+ pxor $rndkey0,@offset[5] # "remove" round[last]
+ movdqu $checksum,($checksum_p) # store checksum
+ movdqu @offset[5],($offset_p) # store last offset_i
+
+ xorps %xmm0,%xmm0 # clear register bank
+ pxor %xmm1,%xmm1
+ pxor %xmm2,%xmm2
+ pxor %xmm3,%xmm3
+ pxor %xmm4,%xmm4
+ pxor %xmm5,%xmm5
+___
+$code.=<<___ if (!$win64);
+ pxor %xmm6,%xmm6
+ pxor %xmm7,%xmm7
+ pxor %xmm8,%xmm8
+ pxor %xmm9,%xmm9
+ pxor %xmm10,%xmm10
+ pxor %xmm11,%xmm11
+ pxor %xmm12,%xmm12
+ pxor %xmm13,%xmm13
+ pxor %xmm14,%xmm14
+ pxor %xmm15,%xmm15
+___
+$code.=<<___ if ($win64);
+ movaps 0x00(%rsp),%xmm6
+ movaps %xmm0,0x00(%rsp) # clear stack
+ movaps 0x10(%rsp),%xmm7
+ movaps %xmm0,0x10(%rsp)
+ movaps 0x20(%rsp),%xmm8
+ movaps %xmm0,0x20(%rsp)
+ movaps 0x30(%rsp),%xmm9
+ movaps %xmm0,0x30(%rsp)
+ movaps 0x40(%rsp),%xmm10
+ movaps %xmm0,0x40(%rsp)
+ movaps 0x50(%rsp),%xmm11
+ movaps %xmm0,0x50(%rsp)
+ movaps 0x60(%rsp),%xmm12
+ movaps %xmm0,0x60(%rsp)
+ movaps 0x70(%rsp),%xmm13
+ movaps %xmm0,0x70(%rsp)
+ movaps 0x80(%rsp),%xmm14
+ movaps %xmm0,0x80(%rsp)
+ movaps 0x90(%rsp),%xmm15
+ movaps %xmm0,0x90(%rsp)
+ lea 0xa0+0x28(%rsp),%rax
+.Locb_dec_pop:
+ lea 0xa0(%rsp),%rsp
+___
+$code.=<<___;
+ pop %r14
+ pop %r13
+ pop %r12
+ pop %rbp
+ pop %rbx
+.Locb_dec_epilogue:
+ ret
+.size aesni_ocb_decrypt,.-aesni_ocb_decrypt
+
+.type __ocb_decrypt6,\@abi-omnipotent
+.align 32
+__ocb_decrypt6:
+ pxor $rndkey0l,@offset[5] # offset_i ^ round[0]
+ movdqu ($L_p,$i1),@offset[1]
+ movdqa @offset[0],@offset[2]
+ movdqu ($L_p,$i3),@offset[3]
+ movdqa @offset[0],@offset[4]
+ pxor @offset[5],@offset[0]
+ movdqu ($L_p,$i5),@offset[5]
+ pxor @offset[0],@offset[1]
+ pxor @offset[0],$inout0 # input ^ round[0] ^ offset_i
+ pxor @offset[1],@offset[2]
+ pxor @offset[1],$inout1
+ pxor @offset[2],@offset[3]
+ pxor @offset[2],$inout2
+ pxor @offset[3],@offset[4]
+ pxor @offset[3],$inout3
+ pxor @offset[4],@offset[5]
+ pxor @offset[4],$inout4
+ pxor @offset[5],$inout5
+ $movkey 32($key_),$rndkey0
+
+ lea 1($block_num),$i1 # even-numbered blocks
+ lea 3($block_num),$i3
+ lea 5($block_num),$i5
+ add \$6,$block_num
+ pxor $rndkey0l,@offset[0] # offset_i ^ round[last]
+ bsf $i1,$i1 # ntz(block)
+ bsf $i3,$i3
+ bsf $i5,$i5
+
+ aesdec $rndkey1,$inout0
+ aesdec $rndkey1,$inout1
+ aesdec $rndkey1,$inout2
+ aesdec $rndkey1,$inout3
+ pxor $rndkey0l,@offset[1]
+ pxor $rndkey0l,@offset[2]
+ aesdec $rndkey1,$inout4
+ pxor $rndkey0l,@offset[3]
+ pxor $rndkey0l,@offset[4]
+ aesdec $rndkey1,$inout5
+ $movkey 48($key_),$rndkey1
+ pxor $rndkey0l,@offset[5]
+
+ aesdec $rndkey0,$inout0
+ aesdec $rndkey0,$inout1
+ aesdec $rndkey0,$inout2
+ aesdec $rndkey0,$inout3
+ aesdec $rndkey0,$inout4
+ aesdec $rndkey0,$inout5
+ $movkey 64($key_),$rndkey0
+ shl \$4,$i1 # ntz(block) -> table offset
+ shl \$4,$i3
+ jmp .Locb_dec_loop6
+
+.align 32
+.Locb_dec_loop6:
+ aesdec $rndkey1,$inout0
+ aesdec $rndkey1,$inout1
+ aesdec $rndkey1,$inout2
+ aesdec $rndkey1,$inout3
+ aesdec $rndkey1,$inout4
+ aesdec $rndkey1,$inout5
+ $movkey ($key,%rax),$rndkey1
+ add \$32,%rax
+
+ aesdec $rndkey0,$inout0
+ aesdec $rndkey0,$inout1
+ aesdec $rndkey0,$inout2
+ aesdec $rndkey0,$inout3
+ aesdec $rndkey0,$inout4
+ aesdec $rndkey0,$inout5
+ $movkey -16($key,%rax),$rndkey0
+ jnz .Locb_dec_loop6
+
+ aesdec $rndkey1,$inout0
+ aesdec $rndkey1,$inout1
+ aesdec $rndkey1,$inout2
+ aesdec $rndkey1,$inout3
+ aesdec $rndkey1,$inout4
+ aesdec $rndkey1,$inout5
+ $movkey 16($key_),$rndkey1
+ shl \$4,$i5
+
+ aesdeclast @offset[0],$inout0
+ movdqu ($L_p),@offset[0] # L_0 for all odd-numbered blocks
+ mov %r10,%rax # restore twisted rounds
+ aesdeclast @offset[1],$inout1
+ aesdeclast @offset[2],$inout2
+ aesdeclast @offset[3],$inout3
+ aesdeclast @offset[4],$inout4
+ aesdeclast @offset[5],$inout5
+ ret
+.size __ocb_decrypt6,.-__ocb_decrypt6
+
+.type __ocb_decrypt4,\@abi-omnipotent
+.align 32
+__ocb_decrypt4:
+ pxor $rndkey0l,@offset[5] # offset_i ^ round[0]
+ movdqu ($L_p,$i1),@offset[1]
+ movdqa @offset[0],@offset[2]
+ movdqu ($L_p,$i3),@offset[3]
+ pxor @offset[5],@offset[0]
+ pxor @offset[0],@offset[1]
+ pxor @offset[0],$inout0 # input ^ round[0] ^ offset_i
+ pxor @offset[1],@offset[2]
+ pxor @offset[1],$inout1
+ pxor @offset[2],@offset[3]
+ pxor @offset[2],$inout2
+ pxor @offset[3],$inout3
+ $movkey 32($key_),$rndkey0
+
+ pxor $rndkey0l,@offset[0] # offset_i ^ round[last]
+ pxor $rndkey0l,@offset[1]
+ pxor $rndkey0l,@offset[2]
+ pxor $rndkey0l,@offset[3]
+
+ aesdec $rndkey1,$inout0
+ aesdec $rndkey1,$inout1
+ aesdec $rndkey1,$inout2
+ aesdec $rndkey1,$inout3
+ $movkey 48($key_),$rndkey1
+
+ aesdec $rndkey0,$inout0
+ aesdec $rndkey0,$inout1
+ aesdec $rndkey0,$inout2
+ aesdec $rndkey0,$inout3
+ $movkey 64($key_),$rndkey0
+ jmp .Locb_dec_loop4
+
+.align 32
+.Locb_dec_loop4:
+ aesdec $rndkey1,$inout0
+ aesdec $rndkey1,$inout1
+ aesdec $rndkey1,$inout2
+ aesdec $rndkey1,$inout3
+ $movkey ($key,%rax),$rndkey1
+ add \$32,%rax
+
+ aesdec $rndkey0,$inout0
+ aesdec $rndkey0,$inout1
+ aesdec $rndkey0,$inout2
+ aesdec $rndkey0,$inout3
+ $movkey -16($key,%rax),$rndkey0
+ jnz .Locb_dec_loop4
+
+ aesdec $rndkey1,$inout0
+ aesdec $rndkey1,$inout1
+ aesdec $rndkey1,$inout2
+ aesdec $rndkey1,$inout3
+ $movkey 16($key_),$rndkey1
+ mov %r10,%rax # restore twisted rounds
+
+ aesdeclast @offset[0],$inout0
+ aesdeclast @offset[1],$inout1
+ aesdeclast @offset[2],$inout2
+ aesdeclast @offset[3],$inout3
+ ret
+.size __ocb_decrypt4,.-__ocb_decrypt4
+
+.type __ocb_decrypt1,\@abi-omnipotent
+.align 32
+__ocb_decrypt1:
+ pxor @offset[5],$inout5 # offset_i
+ pxor $rndkey0l,$inout5 # offset_i ^ round[0]
+ pxor $inout5,$inout0 # input ^ round[0] ^ offset_i
+ $movkey 32($key_),$rndkey0
+
+ aesdec $rndkey1,$inout0
+ $movkey 48($key_),$rndkey1
+ pxor $rndkey0l,$inout5 # offset_i ^ round[last]
+
+ aesdec $rndkey0,$inout0
+ $movkey 64($key_),$rndkey0
+ jmp .Locb_dec_loop1
+
+.align 32
+.Locb_dec_loop1:
+ aesdec $rndkey1,$inout0
+ $movkey ($key,%rax),$rndkey1
+ add \$32,%rax
+
+ aesdec $rndkey0,$inout0
+ $movkey -16($key,%rax),$rndkey0
+ jnz .Locb_dec_loop1
+
+ aesdec $rndkey1,$inout0
+ $movkey 16($key_),$rndkey1 # redundant in tail
+ mov %r10,%rax # restore twisted rounds
+
+ aesdeclast $inout5,$inout0
+ ret
+.size __ocb_decrypt1,.-__ocb_decrypt1
+___
} }}
########################################################################
@@ -3307,7 +4240,7 @@ ___
# Vinodh Gopal <vinodh.gopal@intel.com>
# Kahraman Akdemir
#
-# Agressively optimized in respect to aeskeygenassist's critical path
+# Aggressively optimized in respect to aeskeygenassist's critical path
# and is contained in %xmm0-5 to meet Win64 ABI requirement.
#
# int ${PREFIX}_set_encrypt_key(const unsigned char *inp,
@@ -3819,6 +4752,65 @@ ctr_xts_se_handler:
jmp .Lcommon_rbp_tail
.size ctr_xts_se_handler,.-ctr_xts_se_handler
+
+.type ocb_se_handler,\@abi-omnipotent
+.align 16
+ocb_se_handler:
+ push %rsi
+ push %rdi
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ pushfq
+ sub \$64,%rsp
+
+ mov 120($context),%rax # pull context->Rax
+ mov 248($context),%rbx # pull context->Rip
+
+ mov 8($disp),%rsi # disp->ImageBase
+ mov 56($disp),%r11 # disp->HandlerData
+
+ mov 0(%r11),%r10d # HandlerData[0]
+ lea (%rsi,%r10),%r10 # prologue lable
+ cmp %r10,%rbx # context->Rip<prologue label
+ jb .Lcommon_seh_tail
+
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # epilogue label
+ cmp %r10,%rbx # context->Rip>=epilogue label
+ jae .Lcommon_seh_tail
+
+ mov 8(%r11),%r10d # HandlerData[2]
+ lea (%rsi,%r10),%r10
+ cmp %r10,%rbx # context->Rip>=pop label
+ jae .Locb_no_xmm
+
+ mov 152($context),%rax # pull context->Rsp
+
+ lea (%rax),%rsi # %xmm save area
+ lea 512($context),%rdi # & context.Xmm6
+ mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax)
+ .long 0xa548f3fc # cld; rep movsq
+ lea 0xa0+0x28(%rax),%rax
+
+.Locb_no_xmm:
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov -24(%rax),%r12
+ mov -32(%rax),%r13
+ mov -40(%rax),%r14
+
+ mov %rbx,144($context) # restore context->Rbx
+ mov %rbp,160($context) # restore context->Rbp
+ mov %r12,216($context) # restore context->R12
+ mov %r13,224($context) # restore context->R13
+ mov %r14,232($context) # restore context->R14
+
+ jmp .Lcommon_seh_tail
+.size ocb_se_handler,.-ocb_se_handler
___
$code.=<<___;
.type cbc_se_handler,\@abi-omnipotent
@@ -3932,6 +4924,14 @@ $code.=<<___ if ($PREFIX eq "aesni");
.rva .LSEH_begin_aesni_xts_decrypt
.rva .LSEH_end_aesni_xts_decrypt
.rva .LSEH_info_xts_dec
+
+ .rva .LSEH_begin_aesni_ocb_encrypt
+ .rva .LSEH_end_aesni_ocb_encrypt
+ .rva .LSEH_info_ocb_enc
+
+ .rva .LSEH_begin_aesni_ocb_decrypt
+ .rva .LSEH_end_aesni_ocb_decrypt
+ .rva .LSEH_info_ocb_dec
___
$code.=<<___;
.rva .LSEH_begin_${PREFIX}_cbc_encrypt
@@ -3973,6 +4973,18 @@ $code.=<<___ if ($PREFIX eq "aesni");
.byte 9,0,0,0
.rva ctr_xts_se_handler
.rva .Lxts_dec_body,.Lxts_dec_epilogue # HandlerData[]
+.LSEH_info_ocb_enc:
+ .byte 9,0,0,0
+ .rva ocb_se_handler
+ .rva .Locb_enc_body,.Locb_enc_epilogue # HandlerData[]
+ .rva .Locb_enc_pop
+ .long 0
+.LSEH_info_ocb_dec:
+ .byte 9,0,0,0
+ .rva ocb_se_handler
+ .rva .Locb_dec_body,.Locb_dec_epilogue # HandlerData[]
+ .rva .Locb_dec_pop
+ .long 0
___
$code.=<<___;
.LSEH_info_cbc:
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 15:55:03 +0000