# Core 2 11.0
# Nehalem 9.16
#
+# November 2011.
+#
+# Add bsaes_xts_[en|de]crypt. Less-than-80-bytes-block performance is
+# suboptimal, but XTS is meant to be used with larger blocks...
+#
# <appro@openssl.org>
$flavour = shift;
my ($inp,$out,$len,$key,$ivp)=("%rdi","%rsi","%rdx","%rcx");
my @XMM=map("%xmm$_",(15,0..14)); # best on Atom, +10% over (0..15)
+my $ecb=0; # suppress unreferenced ECB subroutines, spare some space...
{
my ($key,$rounds,$const)=("%rax","%r10d","%r11");
$code.=<<___;
.text
-.extern AES_encrypt
-.extern AES_decrypt
+.extern asm_AES_encrypt
+.extern asm_AES_decrypt
.type _bsaes_encrypt8,\@abi-omnipotent
.align 64
___
}
-if (1 && !$win64) { # following four functions are unsupported interface
+if (0 && !$win64) { # following four functions are unsupported interface
# used for benchmarking...
$code.=<<___;
.globl bsaes_enc_key_convert
#
# OpenSSL interface
#
-my ($arg1,$arg2,$arg3,$arg4,$arg5) = $win64 ? ("%rcx","%rdx","%r8","%r9","%r10")
- : ("%rdi","%rsi","%rdx","%rcx","%r8");
+my ($arg1,$arg2,$arg3,$arg4,$arg5,$arg6)=$win64 ? ("%rcx","%rdx","%r8","%r9","%r10","%r11d")
+ : ("%rdi","%rsi","%rdx","%rcx","%r8","%r9d");
my ($inp,$out,$len,$key)=("%r12","%r13","%r14","%r15");
+if ($ecb) {
$code.=<<___;
.globl bsaes_ecb_encrypt_blocks
.type bsaes_ecb_encrypt_blocks,\@abi-omnipotent
.align 16
bsaes_ecb_encrypt_blocks:
+ mov %rsp, %rax
+.Lecb_enc_prologue:
push %rbp
push %rbx
push %r12
lea ($inp), $arg1
lea ($out), $arg2
lea ($key), $arg3
- call AES_encrypt
+ call asm_AES_encrypt
lea 16($inp), $inp
lea 16($out), $out
dec $len
mov 0x58(%rsp), %r13
mov 0x60(%rsp), %r12
mov 0x68(%rsp), %rbx
- mov 0x70(%rsp), %rbp
+ mov 0x70(%rsp), %rax
lea 0x78(%rsp), %rsp
+ mov %rax, %rbp
.Lecb_enc_epilogue:
ret
.size bsaes_ecb_encrypt_blocks,.-bsaes_ecb_encrypt_blocks
-.globl bsaes_ctr32_encrypt_blocks
-.type bsaes_ctr32_encrypt_blocks,\@abi-omnipotent
+.globl bsaes_ecb_decrypt_blocks
+.type bsaes_ecb_decrypt_blocks,\@abi-omnipotent
.align 16
-bsaes_ctr32_encrypt_blocks:
+bsaes_ecb_decrypt_blocks:
+ mov %rsp, %rax
+.Lecb_dec_prologue:
push %rbp
push %rbx
push %r12
push %r13
push %r14
push %r15
- lea -0x48(%rsp), %rsp
+ lea -0x48(%rsp),%rsp
___
$code.=<<___ if ($win64);
- mov 0xa0(%rsp),$arg5 # pull ivp
lea -0xa0(%rsp), %rsp
movaps %xmm6, 0x40(%rsp)
movaps %xmm7, 0x50(%rsp)
movaps %xmm13, 0xb0(%rsp)
movaps %xmm14, 0xc0(%rsp)
movaps %xmm15, 0xd0(%rsp)
-.Lctr_enc_body:
+.Lecb_dec_body:
___
$code.=<<___;
- mov %rsp, %rbp # backup %rsp
- movdqu ($arg5), %xmm0 # load counter
- mov 240($arg4), %eax # rounds
- mov $arg1, $inp # backup arguments
- mov $arg2, $out
- mov $arg3, $len
- mov $arg4, $key
- movdqa %xmm0, 0x20(%rbp) # copy counter
- cmp \$8, $arg3
- jb .Lctr_enc_short
-
- mov %eax, %ebx # rounds
- shl \$7, %rax # 128 bytes per inner round key
- sub \$`128-32`, %rax # size of bit-sliced key schedule
- sub %rax, %rsp
+ mov %rsp,%rbp # backup %rsp
+ mov 240($arg4),%eax # rounds
+ mov $arg1,$inp # backup arguments
+ mov $arg2,$out
+ mov $arg3,$len
+ mov $arg4,$key
+ cmp \$8,$arg3
+ jb .Lecb_dec_short
- mov %rsp, %rax # pass key schedule
- mov $key, %rcx # pass key
- mov %ebx, %r10d # pass rounds
+ mov %eax,%ebx # backup rounds
+ shl \$7,%rax # 128 bytes per inner round key
+ sub \$`128-32`,%rax # size of bit-sliced key schedule
+ sub %rax,%rsp
+ mov %rsp,%rax # pass key schedule
+ mov $key,%rcx # pass key
+ mov %ebx,%r10d # pass rounds
call _bsaes_key_convert
- pxor %xmm6,%xmm7 # fix up last round key
- movdqa %xmm7,(%rax) # save last round key
-
- movdqa (%rsp), @XMM[9] # load round0 key
- lea .LADD1(%rip), %r11
- movdqa 0x20(%rbp), @XMM[0] # counter copy
- movdqa -0x20(%r11), @XMM[8] # .LSWPUP
- pshufb @XMM[8], @XMM[9] # byte swap upper part
- pshufb @XMM[8], @XMM[0]
- movdqa @XMM[9], (%rsp) # save adjusted round0 key
- jmp .Lctr_enc_loop
-.align 16
-.Lctr_enc_loop:
- movdqa @XMM[0], 0x20(%rbp) # save counter
- movdqa @XMM[0], @XMM[1] # prepare 8 counter values
- movdqa @XMM[0], @XMM[2]
- paddd 0x00(%r11), @XMM[1] # .LADD1
- movdqa @XMM[0], @XMM[3]
- paddd 0x10(%r11), @XMM[2] # .LADD2
- movdqa @XMM[0], @XMM[4]
- paddd 0x20(%r11), @XMM[3] # .LADD3
- movdqa @XMM[0], @XMM[5]
- paddd 0x30(%r11), @XMM[4] # .LADD4
- movdqa @XMM[0], @XMM[6]
- paddd 0x40(%r11), @XMM[5] # .LADD5
- movdqa @XMM[0], @XMM[7]
- paddd 0x50(%r11), @XMM[6] # .LADD6
- paddd 0x60(%r11), @XMM[7] # .LADD7
+ pxor (%rsp),%xmm7 # fix up 0 round key
+ movdqa %xmm6,(%rax) # save last round key
+ movdqa %xmm7,(%rsp)
- # Borrow prologue from _bsaes_encrypt8 to use the opportunity
- # to flip byte order in 32-bit counter
- movdqa (%rsp), @XMM[9] # round 0 key
- lea 0x10(%rsp), %rax # pass key schedule
- movdqa -0x10(%r11), @XMM[8] # .LSWPUPM0SR
- pxor @XMM[9], @XMM[0] # xor with round0 key
- pxor @XMM[9], @XMM[1]
- pshufb @XMM[8], @XMM[0]
- pxor @XMM[9], @XMM[2]
- pshufb @XMM[8], @XMM[1]
- pxor @XMM[9], @XMM[3]
- pshufb @XMM[8], @XMM[2]
- pxor @XMM[9], @XMM[4]
- pshufb @XMM[8], @XMM[3]
- pxor @XMM[9], @XMM[5]
- pshufb @XMM[8], @XMM[4]
- pxor @XMM[9], @XMM[6]
- pshufb @XMM[8], @XMM[5]
- pxor @XMM[9], @XMM[7]
- pshufb @XMM[8], @XMM[6]
- lea .LBS0(%rip), %r11 # constants table
- pshufb @XMM[8], @XMM[7]
+ sub \$8,$len
+.Lecb_dec_loop:
+ movdqu 0x00($inp), @XMM[0] # load input
+ movdqu 0x10($inp), @XMM[1]
+ movdqu 0x20($inp), @XMM[2]
+ movdqu 0x30($inp), @XMM[3]
+ movdqu 0x40($inp), @XMM[4]
+ movdqu 0x50($inp), @XMM[5]
+ mov %rsp, %rax # pass key schedule
+ movdqu 0x60($inp), @XMM[6]
mov %ebx,%r10d # pass rounds
+ movdqu 0x70($inp), @XMM[7]
+ lea 0x80($inp), $inp
- call _bsaes_encrypt8_bitslice
-
- sub \$8,$len
- jc .Lctr_enc_loop_done
+ call _bsaes_decrypt8
- movdqu 0x00($inp), @XMM[8] # load input
- movdqu 0x10($inp), @XMM[9]
- movdqu 0x20($inp), @XMM[10]
- movdqu 0x30($inp), @XMM[11]
- movdqu 0x40($inp), @XMM[12]
- movdqu 0x50($inp), @XMM[13]
- movdqu 0x60($inp), @XMM[14]
- movdqu 0x70($inp), @XMM[15]
- lea 0x80($inp),$inp
- pxor @XMM[0], @XMM[8]
- movdqa 0x20(%rbp), @XMM[0] # load counter
- pxor @XMM[9], @XMM[1]
- movdqu @XMM[8], 0x00($out) # write output
- pxor @XMM[10], @XMM[4]
+ movdqu @XMM[0], 0x00($out) # write output
movdqu @XMM[1], 0x10($out)
- pxor @XMM[11], @XMM[6]
- movdqu @XMM[4], 0x20($out)
- pxor @XMM[12], @XMM[3]
- movdqu @XMM[6], 0x30($out)
- pxor @XMM[13], @XMM[7]
- movdqu @XMM[3], 0x40($out)
- pxor @XMM[14], @XMM[2]
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
movdqu @XMM[7], 0x50($out)
- pxor @XMM[15], @XMM[5]
- movdqu @XMM[2], 0x60($out)
- lea .LADD1(%rip), %r11
+ movdqu @XMM[3], 0x60($out)
movdqu @XMM[5], 0x70($out)
lea 0x80($out), $out
- paddd 0x70(%r11), @XMM[0] # .LADD8
- jnz .Lctr_enc_loop
+ sub \$8,$len
+ jnc .Lecb_dec_loop
- jmp .Lctr_enc_done
-.align 16
-.Lctr_enc_loop_done:
- movdqu 0x00($inp), @XMM[8] # load input
- pxor @XMM[8], @XMM[0]
- movdqu @XMM[0], 0x00($out) # write output
+ add \$8,$len
+ jz .Lecb_dec_done
+
+ movdqu 0x00($inp), @XMM[0] # load input
+ mov %rsp, %rax # pass key schedule
+ mov %ebx,%r10d # pass rounds
cmp \$2,$len
- jb .Lctr_enc_done
- movdqu 0x10($inp), @XMM[9]
- pxor @XMM[9], @XMM[1]
- movdqu @XMM[1], 0x10($out)
- je .Lctr_enc_done
- movdqu 0x20($inp), @XMM[10]
- pxor @XMM[10], @XMM[4]
- movdqu @XMM[4], 0x20($out)
+ jb .Lecb_dec_one
+ movdqu 0x10($inp), @XMM[1]
+ je .Lecb_dec_two
+ movdqu 0x20($inp), @XMM[2]
cmp \$4,$len
- jb .Lctr_enc_done
- movdqu 0x30($inp), @XMM[11]
- pxor @XMM[11], @XMM[6]
- movdqu @XMM[6], 0x30($out)
- je .Lctr_enc_done
- movdqu 0x40($inp), @XMM[12]
- pxor @XMM[12], @XMM[3]
- movdqu @XMM[3], 0x40($out)
+ jb .Lecb_dec_three
+ movdqu 0x30($inp), @XMM[3]
+ je .Lecb_dec_four
+ movdqu 0x40($inp), @XMM[4]
cmp \$6,$len
- jb .Lctr_enc_done
- movdqu 0x50($inp), @XMM[13]
- pxor @XMM[13], @XMM[7]
+ jb .Lecb_dec_five
+ movdqu 0x50($inp), @XMM[5]
+ je .Lecb_dec_six
+ movdqu 0x60($inp), @XMM[6]
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
movdqu @XMM[7], 0x50($out)
- je .Lctr_enc_done
- movdqu 0x60($inp), @XMM[14]
- pxor @XMM[14], @XMM[2]
- movdqu @XMM[2], 0x60($out)
- jmp .Lctr_enc_done
-
+ movdqu @XMM[3], 0x60($out)
+ jmp .Lecb_dec_done
.align 16
-.Lctr_enc_short:
- lea 0x20(%rbp), $arg1
- lea 0x30(%rbp), $arg2
+.Lecb_dec_six:
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ movdqu @XMM[7], 0x50($out)
+ jmp .Lecb_dec_done
+.align 16
+.Lecb_dec_five:
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ jmp .Lecb_dec_done
+.align 16
+.Lecb_dec_four:
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ jmp .Lecb_dec_done
+.align 16
+.Lecb_dec_three:
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ jmp .Lecb_dec_done
+.align 16
+.Lecb_dec_two:
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ jmp .Lecb_dec_done
+.align 16
+.Lecb_dec_one:
+ call _bsaes_decrypt8
+ movdqu @XMM[0], 0x00($out) # write output
+ jmp .Lecb_dec_done
+.align 16
+.Lecb_dec_short:
+ lea ($inp), $arg1
+ lea ($out), $arg2
lea ($key), $arg3
- call AES_encrypt
- movdqu ($inp), @XMM[1]
+ call asm_AES_decrypt
lea 16($inp), $inp
- mov 0x2c(%rbp), %eax # load 32-bit counter
- bswap %eax
- pxor 0x30(%rbp), @XMM[1]
- inc %eax # increment
- movdqu @XMM[1], ($out)
- bswap %eax
lea 16($out), $out
- mov %eax, 0x2c(%rsp) # save 32-bit counter
dec $len
- jnz .Lctr_enc_short
+ jnz .Lecb_dec_short
-.Lctr_enc_done:
- lea (%rsp), %rax
+.Lecb_dec_done:
+ lea (%rsp),%rax
pxor %xmm0, %xmm0
-.Lctr_enc_bzero: # wipe key schedule [if any]
+.Lecb_dec_bzero: # wipe key schedule [if any]
movdqa %xmm0, 0x00(%rax)
movdqa %xmm0, 0x10(%rax)
lea 0x20(%rax), %rax
cmp %rax, %rbp
- ja .Lctr_enc_bzero
+ jb .Lecb_dec_bzero
lea (%rbp),%rsp # restore %rsp
___
mov 0x58(%rsp), %r13
mov 0x60(%rsp), %r12
mov 0x68(%rsp), %rbx
- mov 0x70(%rsp), %rbp
+ mov 0x70(%rsp), %rax
lea 0x78(%rsp), %rsp
-.Lctr_enc_epilogue:
+ mov %rax, %rbp
+.Lecb_dec_epilogue:
ret
-.size bsaes_ctr32_encrypt_blocks,.-bsaes_ctr32_encrypt_blocks
+.size bsaes_ecb_decrypt_blocks,.-bsaes_ecb_decrypt_blocks
___
}
$code.=<<___;
-.align 64
-.LM0ISR: # InvShiftRows constants
- .quad 0x0a0e0206070b0f03, 0x0004080c0d010509
-.LISRM0:
- .quad 0x01040b0e0205080f, 0x0306090c00070a0d
-.LISR:
- .quad 0x0504070602010003, 0x0f0e0d0c080b0a09
-.LBS0: # bit-slice constants
- .quad 0x5555555555555555, 0x5555555555555555
-.LBS1:
- .quad 0x3333333333333333, 0x3333333333333333
-.LBS2:
- .quad 0x0f0f0f0f0f0f0f0f, 0x0f0f0f0f0f0f0f0f
+.extern asm_AES_cbc_encrypt
+.globl bsaes_cbc_encrypt
+.type bsaes_cbc_encrypt,\@abi-omnipotent
+.align 16
+bsaes_cbc_encrypt:
+___
+$code.=<<___ if ($win64);
+ mov 48(%rsp),$arg6 # pull direction flag
+___
+$code.=<<___;
+ cmp \$0,$arg6
+ jne asm_AES_cbc_encrypt
+ cmp \$128,$arg3
+ jb asm_AES_cbc_encrypt
+
+ mov %rsp, %rax
+.Lcbc_dec_prologue:
+ push %rbp
+ push %rbx
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ lea -0x48(%rsp), %rsp
+___
+$code.=<<___ if ($win64);
+ mov 0xa0(%rsp),$arg5 # pull ivp
+ lea -0xa0(%rsp), %rsp
+ movaps %xmm6, 0x40(%rsp)
+ movaps %xmm7, 0x50(%rsp)
+ movaps %xmm8, 0x60(%rsp)
+ movaps %xmm9, 0x70(%rsp)
+ movaps %xmm10, 0x80(%rsp)
+ movaps %xmm11, 0x90(%rsp)
+ movaps %xmm12, 0xa0(%rsp)
+ movaps %xmm13, 0xb0(%rsp)
+ movaps %xmm14, 0xc0(%rsp)
+ movaps %xmm15, 0xd0(%rsp)
+.Lcbc_dec_body:
+___
+$code.=<<___;
+ mov %rsp, %rbp # backup %rsp
+ mov 240($arg4), %eax # rounds
+ mov $arg1, $inp # backup arguments
+ mov $arg2, $out
+ mov $arg3, $len
+ mov $arg4, $key
+ mov $arg5, %rbx
+ shr \$4, $len # bytes to blocks
+
+ mov %eax, %edx # rounds
+ shl \$7, %rax # 128 bytes per inner round key
+ sub \$`128-32`, %rax # size of bit-sliced key schedule
+ sub %rax, %rsp
+
+ mov %rsp, %rax # pass key schedule
+ mov $key, %rcx # pass key
+ mov %edx, %r10d # pass rounds
+ call _bsaes_key_convert
+ pxor (%rsp),%xmm7 # fix up 0 round key
+ movdqa %xmm6,(%rax) # save last round key
+ movdqa %xmm7,(%rsp)
+
+ movdqu (%rbx), @XMM[15] # load IV
+ sub \$8,$len
+.Lcbc_dec_loop:
+ movdqu 0x00($inp), @XMM[0] # load input
+ movdqu 0x10($inp), @XMM[1]
+ movdqu 0x20($inp), @XMM[2]
+ movdqu 0x30($inp), @XMM[3]
+ movdqu 0x40($inp), @XMM[4]
+ movdqu 0x50($inp), @XMM[5]
+ mov %rsp, %rax # pass key schedule
+ movdqu 0x60($inp), @XMM[6]
+ mov %edx,%r10d # pass rounds
+ movdqu 0x70($inp), @XMM[7]
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+
+ call _bsaes_decrypt8
+
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[8], @XMM[1]
+ movdqu 0x20($inp), @XMM[10]
+ pxor @XMM[9], @XMM[6]
+ movdqu 0x30($inp), @XMM[11]
+ pxor @XMM[10], @XMM[4]
+ movdqu 0x40($inp), @XMM[12]
+ pxor @XMM[11], @XMM[2]
+ movdqu 0x50($inp), @XMM[13]
+ pxor @XMM[12], @XMM[7]
+ movdqu 0x60($inp), @XMM[14]
+ pxor @XMM[13], @XMM[3]
+ movdqu 0x70($inp), @XMM[15] # IV
+ pxor @XMM[14], @XMM[5]
+ movdqu @XMM[0], 0x00($out) # write output
+ lea 0x80($inp), $inp
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ movdqu @XMM[7], 0x50($out)
+ movdqu @XMM[3], 0x60($out)
+ movdqu @XMM[5], 0x70($out)
+ lea 0x80($out), $out
+ sub \$8,$len
+ jnc .Lcbc_dec_loop
+
+ add \$8,$len
+ jz .Lcbc_dec_done
+
+ movdqu 0x00($inp), @XMM[0] # load input
+ mov %rsp, %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+ cmp \$2,$len
+ jb .Lcbc_dec_one
+ movdqu 0x10($inp), @XMM[1]
+ je .Lcbc_dec_two
+ movdqu 0x20($inp), @XMM[2]
+ cmp \$4,$len
+ jb .Lcbc_dec_three
+ movdqu 0x30($inp), @XMM[3]
+ je .Lcbc_dec_four
+ movdqu 0x40($inp), @XMM[4]
+ cmp \$6,$len
+ jb .Lcbc_dec_five
+ movdqu 0x50($inp), @XMM[5]
+ je .Lcbc_dec_six
+ movdqu 0x60($inp), @XMM[6]
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+ call _bsaes_decrypt8
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[8], @XMM[1]
+ movdqu 0x20($inp), @XMM[10]
+ pxor @XMM[9], @XMM[6]
+ movdqu 0x30($inp), @XMM[11]
+ pxor @XMM[10], @XMM[4]
+ movdqu 0x40($inp), @XMM[12]
+ pxor @XMM[11], @XMM[2]
+ movdqu 0x50($inp), @XMM[13]
+ pxor @XMM[12], @XMM[7]
+ movdqu 0x60($inp), @XMM[15] # IV
+ pxor @XMM[13], @XMM[3]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ movdqu @XMM[7], 0x50($out)
+ movdqu @XMM[3], 0x60($out)
+ jmp .Lcbc_dec_done
+.align 16
+.Lcbc_dec_six:
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+ call _bsaes_decrypt8
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[8], @XMM[1]
+ movdqu 0x20($inp), @XMM[10]
+ pxor @XMM[9], @XMM[6]
+ movdqu 0x30($inp), @XMM[11]
+ pxor @XMM[10], @XMM[4]
+ movdqu 0x40($inp), @XMM[12]
+ pxor @XMM[11], @XMM[2]
+ movdqu 0x50($inp), @XMM[15] # IV
+ pxor @XMM[12], @XMM[7]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ movdqu @XMM[7], 0x50($out)
+ jmp .Lcbc_dec_done
+.align 16
+.Lcbc_dec_five:
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+ call _bsaes_decrypt8
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[8], @XMM[1]
+ movdqu 0x20($inp), @XMM[10]
+ pxor @XMM[9], @XMM[6]
+ movdqu 0x30($inp), @XMM[11]
+ pxor @XMM[10], @XMM[4]
+ movdqu 0x40($inp), @XMM[15] # IV
+ pxor @XMM[11], @XMM[2]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ jmp .Lcbc_dec_done
+.align 16
+.Lcbc_dec_four:
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+ call _bsaes_decrypt8
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[8], @XMM[1]
+ movdqu 0x20($inp), @XMM[10]
+ pxor @XMM[9], @XMM[6]
+ movdqu 0x30($inp), @XMM[15] # IV
+ pxor @XMM[10], @XMM[4]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ jmp .Lcbc_dec_done
+.align 16
+.Lcbc_dec_three:
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+ call _bsaes_decrypt8
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[8], @XMM[1]
+ movdqu 0x20($inp), @XMM[15] # IV
+ pxor @XMM[9], @XMM[6]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ jmp .Lcbc_dec_done
+.align 16
+.Lcbc_dec_two:
+ movdqa @XMM[15], 0x20(%rbp) # put aside IV
+ call _bsaes_decrypt8
+ pxor 0x20(%rbp), @XMM[0] # ^= IV
+ movdqu 0x00($inp), @XMM[8] # re-load input
+ movdqu 0x10($inp), @XMM[15] # IV
+ pxor @XMM[8], @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ jmp .Lcbc_dec_done
+.align 16
+.Lcbc_dec_one:
+ lea ($inp), $arg1
+ lea 0x20(%rbp), $arg2 # buffer output
+ lea ($key), $arg3
+ call asm_AES_decrypt # doesn't touch %xmm
+ pxor 0x20(%rbp), @XMM[15] # ^= IV
+ movdqu @XMM[15], ($out) # write output
+ movdqa @XMM[0], @XMM[15] # IV
+
+.Lcbc_dec_done:
+ movdqu @XMM[15], (%rbx) # return IV
+ lea (%rsp), %rax
+ pxor %xmm0, %xmm0
+.Lcbc_dec_bzero: # wipe key schedule [if any]
+ movdqa %xmm0, 0x00(%rax)
+ movdqa %xmm0, 0x10(%rax)
+ lea 0x20(%rax), %rax
+ cmp %rax, %rbp
+ ja .Lcbc_dec_bzero
+
+ lea (%rbp),%rsp # restore %rsp
+___
+$code.=<<___ if ($win64);
+ movaps 0x40(%rbp), %xmm6
+ movaps 0x50(%rbp), %xmm7
+ movaps 0x60(%rbp), %xmm8
+ movaps 0x70(%rbp), %xmm9
+ movaps 0x80(%rbp), %xmm10
+ movaps 0x90(%rbp), %xmm11
+ movaps 0xa0(%rbp), %xmm12
+ movaps 0xb0(%rbp), %xmm13
+ movaps 0xc0(%rbp), %xmm14
+ movaps 0xd0(%rbp), %xmm15
+ lea 0xa0(%rbp), %rsp
+___
+$code.=<<___;
+ mov 0x48(%rsp), %r15
+ mov 0x50(%rsp), %r14
+ mov 0x58(%rsp), %r13
+ mov 0x60(%rsp), %r12
+ mov 0x68(%rsp), %rbx
+ mov 0x70(%rsp), %rax
+ lea 0x78(%rsp), %rsp
+ mov %rax, %rbp
+.Lcbc_dec_epilogue:
+ ret
+.size bsaes_cbc_encrypt,.-bsaes_cbc_encrypt
+
+.globl bsaes_ctr32_encrypt_blocks
+.type bsaes_ctr32_encrypt_blocks,\@abi-omnipotent
+.align 16
+bsaes_ctr32_encrypt_blocks:
+ mov %rsp, %rax
+.Lctr_enc_prologue:
+ push %rbp
+ push %rbx
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ lea -0x48(%rsp), %rsp
+___
+$code.=<<___ if ($win64);
+ mov 0xa0(%rsp),$arg5 # pull ivp
+ lea -0xa0(%rsp), %rsp
+ movaps %xmm6, 0x40(%rsp)
+ movaps %xmm7, 0x50(%rsp)
+ movaps %xmm8, 0x60(%rsp)
+ movaps %xmm9, 0x70(%rsp)
+ movaps %xmm10, 0x80(%rsp)
+ movaps %xmm11, 0x90(%rsp)
+ movaps %xmm12, 0xa0(%rsp)
+ movaps %xmm13, 0xb0(%rsp)
+ movaps %xmm14, 0xc0(%rsp)
+ movaps %xmm15, 0xd0(%rsp)
+.Lctr_enc_body:
+___
+$code.=<<___;
+ mov %rsp, %rbp # backup %rsp
+ movdqu ($arg5), %xmm0 # load counter
+ mov 240($arg4), %eax # rounds
+ mov $arg1, $inp # backup arguments
+ mov $arg2, $out
+ mov $arg3, $len
+ mov $arg4, $key
+ movdqa %xmm0, 0x20(%rbp) # copy counter
+ cmp \$8, $arg3
+ jb .Lctr_enc_short
+
+ mov %eax, %ebx # rounds
+ shl \$7, %rax # 128 bytes per inner round key
+ sub \$`128-32`, %rax # size of bit-sliced key schedule
+ sub %rax, %rsp
+
+ mov %rsp, %rax # pass key schedule
+ mov $key, %rcx # pass key
+ mov %ebx, %r10d # pass rounds
+ call _bsaes_key_convert
+ pxor %xmm6,%xmm7 # fix up last round key
+ movdqa %xmm7,(%rax) # save last round key
+
+ movdqa (%rsp), @XMM[9] # load round0 key
+ lea .LADD1(%rip), %r11
+ movdqa 0x20(%rbp), @XMM[0] # counter copy
+ movdqa -0x20(%r11), @XMM[8] # .LSWPUP
+ pshufb @XMM[8], @XMM[9] # byte swap upper part
+ pshufb @XMM[8], @XMM[0]
+ movdqa @XMM[9], (%rsp) # save adjusted round0 key
+ jmp .Lctr_enc_loop
+.align 16
+.Lctr_enc_loop:
+ movdqa @XMM[0], 0x20(%rbp) # save counter
+ movdqa @XMM[0], @XMM[1] # prepare 8 counter values
+ movdqa @XMM[0], @XMM[2]
+ paddd 0x00(%r11), @XMM[1] # .LADD1
+ movdqa @XMM[0], @XMM[3]
+ paddd 0x10(%r11), @XMM[2] # .LADD2
+ movdqa @XMM[0], @XMM[4]
+ paddd 0x20(%r11), @XMM[3] # .LADD3
+ movdqa @XMM[0], @XMM[5]
+ paddd 0x30(%r11), @XMM[4] # .LADD4
+ movdqa @XMM[0], @XMM[6]
+ paddd 0x40(%r11), @XMM[5] # .LADD5
+ movdqa @XMM[0], @XMM[7]
+ paddd 0x50(%r11), @XMM[6] # .LADD6
+ paddd 0x60(%r11), @XMM[7] # .LADD7
+
+ # Borrow prologue from _bsaes_encrypt8 to use the opportunity
+ # to flip byte order in 32-bit counter
+ movdqa (%rsp), @XMM[9] # round 0 key
+ lea 0x10(%rsp), %rax # pass key schedule
+ movdqa -0x10(%r11), @XMM[8] # .LSWPUPM0SR
+ pxor @XMM[9], @XMM[0] # xor with round0 key
+ pxor @XMM[9], @XMM[1]
+ pshufb @XMM[8], @XMM[0]
+ pxor @XMM[9], @XMM[2]
+ pshufb @XMM[8], @XMM[1]
+ pxor @XMM[9], @XMM[3]
+ pshufb @XMM[8], @XMM[2]
+ pxor @XMM[9], @XMM[4]
+ pshufb @XMM[8], @XMM[3]
+ pxor @XMM[9], @XMM[5]
+ pshufb @XMM[8], @XMM[4]
+ pxor @XMM[9], @XMM[6]
+ pshufb @XMM[8], @XMM[5]
+ pxor @XMM[9], @XMM[7]
+ pshufb @XMM[8], @XMM[6]
+ lea .LBS0(%rip), %r11 # constants table
+ pshufb @XMM[8], @XMM[7]
+ mov %ebx,%r10d # pass rounds
+
+ call _bsaes_encrypt8_bitslice
+
+ sub \$8,$len
+ jc .Lctr_enc_loop_done
+
+ movdqu 0x00($inp), @XMM[8] # load input
+ movdqu 0x10($inp), @XMM[9]
+ movdqu 0x20($inp), @XMM[10]
+ movdqu 0x30($inp), @XMM[11]
+ movdqu 0x40($inp), @XMM[12]
+ movdqu 0x50($inp), @XMM[13]
+ movdqu 0x60($inp), @XMM[14]
+ movdqu 0x70($inp), @XMM[15]
+ lea 0x80($inp),$inp
+ pxor @XMM[0], @XMM[8]
+ movdqa 0x20(%rbp), @XMM[0] # load counter
+ pxor @XMM[9], @XMM[1]
+ movdqu @XMM[8], 0x00($out) # write output
+ pxor @XMM[10], @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ pxor @XMM[11], @XMM[6]
+ movdqu @XMM[4], 0x20($out)
+ pxor @XMM[12], @XMM[3]
+ movdqu @XMM[6], 0x30($out)
+ pxor @XMM[13], @XMM[7]
+ movdqu @XMM[3], 0x40($out)
+ pxor @XMM[14], @XMM[2]
+ movdqu @XMM[7], 0x50($out)
+ pxor @XMM[15], @XMM[5]
+ movdqu @XMM[2], 0x60($out)
+ lea .LADD1(%rip), %r11
+ movdqu @XMM[5], 0x70($out)
+ lea 0x80($out), $out
+ paddd 0x70(%r11), @XMM[0] # .LADD8
+ jnz .Lctr_enc_loop
+
+ jmp .Lctr_enc_done
+.align 16
+.Lctr_enc_loop_done:
+ add \$8, $len
+ movdqu 0x00($inp), @XMM[8] # load input
+ pxor @XMM[8], @XMM[0]
+ movdqu @XMM[0], 0x00($out) # write output
+ cmp \$2,$len
+ jb .Lctr_enc_done
+ movdqu 0x10($inp), @XMM[9]
+ pxor @XMM[9], @XMM[1]
+ movdqu @XMM[1], 0x10($out)
+ je .Lctr_enc_done
+ movdqu 0x20($inp), @XMM[10]
+ pxor @XMM[10], @XMM[4]
+ movdqu @XMM[4], 0x20($out)
+ cmp \$4,$len
+ jb .Lctr_enc_done
+ movdqu 0x30($inp), @XMM[11]
+ pxor @XMM[11], @XMM[6]
+ movdqu @XMM[6], 0x30($out)
+ je .Lctr_enc_done
+ movdqu 0x40($inp), @XMM[12]
+ pxor @XMM[12], @XMM[3]
+ movdqu @XMM[3], 0x40($out)
+ cmp \$6,$len
+ jb .Lctr_enc_done
+ movdqu 0x50($inp), @XMM[13]
+ pxor @XMM[13], @XMM[7]
+ movdqu @XMM[7], 0x50($out)
+ je .Lctr_enc_done
+ movdqu 0x60($inp), @XMM[14]
+ pxor @XMM[14], @XMM[2]
+ movdqu @XMM[2], 0x60($out)
+ jmp .Lctr_enc_done
+
+.align 16
+.Lctr_enc_short:
+ lea 0x20(%rbp), $arg1
+ lea 0x30(%rbp), $arg2
+ lea ($key), $arg3
+ call asm_AES_encrypt
+ movdqu ($inp), @XMM[1]
+ lea 16($inp), $inp
+ mov 0x2c(%rbp), %eax # load 32-bit counter
+ bswap %eax
+ pxor 0x30(%rbp), @XMM[1]
+ inc %eax # increment
+ movdqu @XMM[1], ($out)
+ bswap %eax
+ lea 16($out), $out
+ mov %eax, 0x2c(%rsp) # save 32-bit counter
+ dec $len
+ jnz .Lctr_enc_short
+
+.Lctr_enc_done:
+ lea (%rsp), %rax
+ pxor %xmm0, %xmm0
+.Lctr_enc_bzero: # wipe key schedule [if any]
+ movdqa %xmm0, 0x00(%rax)
+ movdqa %xmm0, 0x10(%rax)
+ lea 0x20(%rax), %rax
+ cmp %rax, %rbp
+ ja .Lctr_enc_bzero
+
+ lea (%rbp),%rsp # restore %rsp
+___
+$code.=<<___ if ($win64);
+ movaps 0x40(%rbp), %xmm6
+ movaps 0x50(%rbp), %xmm7
+ movaps 0x60(%rbp), %xmm8
+ movaps 0x70(%rbp), %xmm9
+ movaps 0x80(%rbp), %xmm10
+ movaps 0x90(%rbp), %xmm11
+ movaps 0xa0(%rbp), %xmm12
+ movaps 0xb0(%rbp), %xmm13
+ movaps 0xc0(%rbp), %xmm14
+ movaps 0xd0(%rbp), %xmm15
+ lea 0xa0(%rbp), %rsp
+___
+$code.=<<___;
+ mov 0x48(%rsp), %r15
+ mov 0x50(%rsp), %r14
+ mov 0x58(%rsp), %r13
+ mov 0x60(%rsp), %r12
+ mov 0x68(%rsp), %rbx
+ mov 0x70(%rsp), %rax
+ lea 0x78(%rsp), %rsp
+ mov %rax, %rbp
+.Lctr_enc_epilogue:
+ ret
+.size bsaes_ctr32_encrypt_blocks,.-bsaes_ctr32_encrypt_blocks
+___
+######################################################################
+# void bsaes_xts_[en|de]crypt(const char *inp,char *out,size_t len,
+# const AES_KEY *key1, const AES_KEY *key2,
+# const unsigned char iv[16]);
+#
+my ($twmask,$twres,$twtmp)=@XMM[13..15];
+$code.=<<___;
+.globl bsaes_xts_encrypt
+.type bsaes_xts_encrypt,\@abi-omnipotent
+.align 16
+bsaes_xts_encrypt:
+ mov %rsp, %rax
+.Lxts_enc_prologue:
+ push %rbp
+ push %rbx
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ lea -0x48(%rsp), %rsp
+___
+$code.=<<___ if ($win64);
+ mov 0xa0(%rsp),$arg5 # pull key2
+ mov 0xa8(%rsp),$arg6 # pull ivp
+ lea -0xa0(%rsp), %rsp
+ movaps %xmm6, 0x40(%rsp)
+ movaps %xmm7, 0x50(%rsp)
+ movaps %xmm8, 0x60(%rsp)
+ movaps %xmm9, 0x70(%rsp)
+ movaps %xmm10, 0x80(%rsp)
+ movaps %xmm11, 0x90(%rsp)
+ movaps %xmm12, 0xa0(%rsp)
+ movaps %xmm13, 0xb0(%rsp)
+ movaps %xmm14, 0xc0(%rsp)
+ movaps %xmm15, 0xd0(%rsp)
+.Lxts_enc_body:
+___
+$code.=<<___;
+ mov %rsp, %rbp # backup %rsp
+ mov $arg1, $inp # backup arguments
+ mov $arg2, $out
+ mov $arg3, $len
+ mov $arg4, $key
+
+ lea ($arg6), $arg1
+ lea 0x20(%rbp), $arg2
+ lea ($arg5), $arg3
+ call asm_AES_encrypt # generate initial tweak
+
+ mov 240($key), %eax # rounds
+ mov $len, %rbx # backup $len
+
+ mov %eax, %edx # rounds
+ shl \$7, %rax # 128 bytes per inner round key
+ sub \$`128-32`, %rax # size of bit-sliced key schedule
+ sub %rax, %rsp
+
+ mov %rsp, %rax # pass key schedule
+ mov $key, %rcx # pass key
+ mov %edx, %r10d # pass rounds
+ call _bsaes_key_convert
+ pxor %xmm6, %xmm7 # fix up last round key
+ movdqa %xmm7, (%rax) # save last round key
+
+ and \$-16, $len
+ sub \$0x80, %rsp # place for tweak[8]
+ movdqa 0x20(%rbp), @XMM[7] # initial tweak
+
+ pxor $twtmp, $twtmp
+ movdqa .Lxts_magic(%rip), $twmask
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+
+ sub \$0x80, $len
+ jc .Lxts_enc_short
+ jmp .Lxts_enc_loop
+
+.align 16
+.Lxts_enc_loop:
+___
+ for ($i=0;$i<7;$i++) {
+ $code.=<<___;
+ pshufd \$0x13, $twtmp, $twres
+ pxor $twtmp, $twtmp
+ movdqa @XMM[7], @XMM[$i]
+ movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i]
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+ pxor $twres, @XMM[7]
+___
+ $code.=<<___ if ($i>=1);
+ movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1]
+___
+ $code.=<<___ if ($i>=2);
+ pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[]
+___
+ }
+$code.=<<___;
+ movdqu 0x60($inp), @XMM[8+6]
+ pxor @XMM[8+5], @XMM[5]
+ movdqu 0x70($inp), @XMM[8+7]
+ lea 0x80($inp), $inp
+ movdqa @XMM[7], 0x70(%rsp)
+ pxor @XMM[8+6], @XMM[6]
+ lea 0x80(%rsp), %rax # pass key schedule
+ pxor @XMM[8+7], @XMM[7]
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[6]
+ movdqu @XMM[4], 0x20($out)
+ pxor 0x40(%rsp), @XMM[3]
+ movdqu @XMM[6], 0x30($out)
+ pxor 0x50(%rsp), @XMM[7]
+ movdqu @XMM[3], 0x40($out)
+ pxor 0x60(%rsp), @XMM[2]
+ movdqu @XMM[7], 0x50($out)
+ pxor 0x70(%rsp), @XMM[5]
+ movdqu @XMM[2], 0x60($out)
+ movdqu @XMM[5], 0x70($out)
+ lea 0x80($out), $out
+
+ movdqa 0x70(%rsp), @XMM[7] # prepare next iteration tweak
+ pxor $twtmp, $twtmp
+ movdqa .Lxts_magic(%rip), $twmask
+ pcmpgtd @XMM[7], $twtmp
+ pshufd \$0x13, $twtmp, $twres
+ pxor $twtmp, $twtmp
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+ pxor $twres, @XMM[7]
+
+ sub \$0x80,$len
+ jnc .Lxts_enc_loop
+
+.Lxts_enc_short:
+ add \$0x80, $len
+ jz .Lxts_enc_done
+___
+ for ($i=0;$i<7;$i++) {
+ $code.=<<___;
+ pshufd \$0x13, $twtmp, $twres
+ pxor $twtmp, $twtmp
+ movdqa @XMM[7], @XMM[$i]
+ movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i]
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+ pxor $twres, @XMM[7]
+___
+ $code.=<<___ if ($i>=1);
+ movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1]
+ cmp \$`0x10*$i`,$len
+ je .Lxts_enc_$i
+___
+ $code.=<<___ if ($i>=2);
+ pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[]
+___
+ }
+$code.=<<___;
+ movdqu 0x60($inp), @XMM[8+6]
+ pxor @XMM[8+5], @XMM[5]
+ movdqa @XMM[7], 0x70(%rsp)
+ lea 0x70($inp), $inp
+ pxor @XMM[8+6], @XMM[6]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[6]
+ movdqu @XMM[4], 0x20($out)
+ pxor 0x40(%rsp), @XMM[3]
+ movdqu @XMM[6], 0x30($out)
+ pxor 0x50(%rsp), @XMM[7]
+ movdqu @XMM[3], 0x40($out)
+ pxor 0x60(%rsp), @XMM[2]
+ movdqu @XMM[7], 0x50($out)
+ movdqu @XMM[2], 0x60($out)
+ lea 0x70($out), $out
+
+ movdqa 0x70(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_enc_done
+.align 16
+.Lxts_enc_6:
+ pxor @XMM[8+4], @XMM[4]
+ lea 0x60($inp), $inp
+ pxor @XMM[8+5], @XMM[5]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[6]
+ movdqu @XMM[4], 0x20($out)
+ pxor 0x40(%rsp), @XMM[3]
+ movdqu @XMM[6], 0x30($out)
+ pxor 0x50(%rsp), @XMM[7]
+ movdqu @XMM[3], 0x40($out)
+ movdqu @XMM[7], 0x50($out)
+ lea 0x60($out), $out
+
+ movdqa 0x60(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_enc_done
+.align 16
+.Lxts_enc_5:
+ pxor @XMM[8+3], @XMM[3]
+ lea 0x50($inp), $inp
+ pxor @XMM[8+4], @XMM[4]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[6]
+ movdqu @XMM[4], 0x20($out)
+ pxor 0x40(%rsp), @XMM[3]
+ movdqu @XMM[6], 0x30($out)
+ movdqu @XMM[3], 0x40($out)
+ lea 0x50($out), $out
+
+ movdqa 0x50(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_enc_done
+.align 16
+.Lxts_enc_4:
+ pxor @XMM[8+2], @XMM[2]
+ lea 0x40($inp), $inp
+ pxor @XMM[8+3], @XMM[3]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[6]
+ movdqu @XMM[4], 0x20($out)
+ movdqu @XMM[6], 0x30($out)
+ lea 0x40($out), $out
+
+ movdqa 0x40(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_enc_done
+.align 16
+.Lxts_enc_3:
+ pxor @XMM[8+1], @XMM[1]
+ lea 0x30($inp), $inp
+ pxor @XMM[8+2], @XMM[2]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[4]
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[4], 0x20($out)
+ lea 0x30($out), $out
+
+ movdqa 0x30(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_enc_done
+.align 16
+.Lxts_enc_2:
+ pxor @XMM[8+0], @XMM[0]
+ lea 0x20($inp), $inp
+ pxor @XMM[8+1], @XMM[1]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_encrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ lea 0x20($out), $out
+
+ movdqa 0x20(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_enc_done
+.align 16
+.Lxts_enc_1:
+ pxor @XMM[0], @XMM[8]
+ lea 0x10($inp), $inp
+ movdqa @XMM[8], 0x20(%rbp)
+ lea 0x20(%rbp), $arg1
+ lea 0x20(%rbp), $arg2
+ lea ($key), $arg3
+ call asm_AES_encrypt # doesn't touch %xmm
+ pxor 0x20(%rbp), @XMM[0] # ^= tweak[]
+ #pxor @XMM[8], @XMM[0]
+ #lea 0x80(%rsp), %rax # pass key schedule
+ #mov %edx, %r10d # pass rounds
+ #call _bsaes_encrypt8
+ #pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ movdqu @XMM[0], 0x00($out) # write output
+ lea 0x10($out), $out
+
+ movdqa 0x10(%rsp), @XMM[7] # next iteration tweak
+
+.Lxts_enc_done:
+ and \$15, %ebx
+ jz .Lxts_enc_ret
+ mov $out, %rdx
+
+.Lxts_enc_steal:
+ movzb ($inp), %eax
+ movzb -16(%rdx), %ecx
+ lea 1($inp), $inp
+ mov %al, -16(%rdx)
+ mov %cl, 0(%rdx)
+ lea 1(%rdx), %rdx
+ sub \$1,%ebx
+ jnz .Lxts_enc_steal
+
+ movdqu -16($out), @XMM[0]
+ lea 0x20(%rbp), $arg1
+ pxor @XMM[7], @XMM[0]
+ lea 0x20(%rbp), $arg2
+ movdqa @XMM[0], 0x20(%rbp)
+ lea ($key), $arg3
+ call asm_AES_encrypt # doesn't touch %xmm
+ pxor 0x20(%rbp), @XMM[7]
+ movdqu @XMM[7], -16($out)
+
+.Lxts_enc_ret:
+ lea (%rsp), %rax
+ pxor %xmm0, %xmm0
+.Lxts_enc_bzero: # wipe key schedule [if any]
+ movdqa %xmm0, 0x00(%rax)
+ movdqa %xmm0, 0x10(%rax)
+ lea 0x20(%rax), %rax
+ cmp %rax, %rbp
+ ja .Lxts_enc_bzero
+
+ lea (%rbp),%rsp # restore %rsp
+___
+$code.=<<___ if ($win64);
+ movaps 0x40(%rbp), %xmm6
+ movaps 0x50(%rbp), %xmm7
+ movaps 0x60(%rbp), %xmm8
+ movaps 0x70(%rbp), %xmm9
+ movaps 0x80(%rbp), %xmm10
+ movaps 0x90(%rbp), %xmm11
+ movaps 0xa0(%rbp), %xmm12
+ movaps 0xb0(%rbp), %xmm13
+ movaps 0xc0(%rbp), %xmm14
+ movaps 0xd0(%rbp), %xmm15
+ lea 0xa0(%rbp), %rsp
+___
+$code.=<<___;
+ mov 0x48(%rsp), %r15
+ mov 0x50(%rsp), %r14
+ mov 0x58(%rsp), %r13
+ mov 0x60(%rsp), %r12
+ mov 0x68(%rsp), %rbx
+ mov 0x70(%rsp), %rax
+ lea 0x78(%rsp), %rsp
+ mov %rax, %rbp
+.Lxts_enc_epilogue:
+ ret
+.size bsaes_xts_encrypt,.-bsaes_xts_encrypt
+
+.globl bsaes_xts_decrypt
+.type bsaes_xts_decrypt,\@abi-omnipotent
+.align 16
+bsaes_xts_decrypt:
+ mov %rsp, %rax
+.Lxts_dec_prologue:
+ push %rbp
+ push %rbx
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ lea -0x48(%rsp), %rsp
+___
+$code.=<<___ if ($win64);
+ mov 0xa0(%rsp),$arg5 # pull key2
+ mov 0xa8(%rsp),$arg6 # pull ivp
+ lea -0xa0(%rsp), %rsp
+ movaps %xmm6, 0x40(%rsp)
+ movaps %xmm7, 0x50(%rsp)
+ movaps %xmm8, 0x60(%rsp)
+ movaps %xmm9, 0x70(%rsp)
+ movaps %xmm10, 0x80(%rsp)
+ movaps %xmm11, 0x90(%rsp)
+ movaps %xmm12, 0xa0(%rsp)
+ movaps %xmm13, 0xb0(%rsp)
+ movaps %xmm14, 0xc0(%rsp)
+ movaps %xmm15, 0xd0(%rsp)
+.Lxts_dec_body:
+___
+$code.=<<___;
+ mov %rsp, %rbp # backup %rsp
+ mov $arg1, $inp # backup arguments
+ mov $arg2, $out
+ mov $arg3, $len
+ mov $arg4, $key
+
+ lea ($arg6), $arg1
+ lea 0x20(%rbp), $arg2
+ lea ($arg5), $arg3
+ call asm_AES_encrypt # generate initial tweak
+
+ mov 240($key), %eax # rounds
+ mov $len, %rbx # backup $len
+
+ mov %eax, %edx # rounds
+ shl \$7, %rax # 128 bytes per inner round key
+ sub \$`128-32`, %rax # size of bit-sliced key schedule
+ sub %rax, %rsp
+
+ mov %rsp, %rax # pass key schedule
+ mov $key, %rcx # pass key
+ mov %edx, %r10d # pass rounds
+ call _bsaes_key_convert
+ pxor (%rsp), %xmm7 # fix up round 0 key
+ movdqa %xmm6, (%rax) # save last round key
+ movdqa %xmm7, (%rsp)
+
+ xor %eax, %eax # if ($len%16) len-=16;
+ and \$-16, $len
+ test \$15, %ebx
+ setnz %al
+ shl \$4, %rax
+ sub %rax, $len
+
+ sub \$0x80, %rsp # place for tweak[8]
+ movdqa 0x20(%rbp), @XMM[7] # initial tweak
+
+ pxor $twtmp, $twtmp
+ movdqa .Lxts_magic(%rip), $twmask
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+
+ sub \$0x80, $len
+ jc .Lxts_dec_short
+ jmp .Lxts_dec_loop
+
+.align 16
+.Lxts_dec_loop:
+___
+ for ($i=0;$i<7;$i++) {
+ $code.=<<___;
+ pshufd \$0x13, $twtmp, $twres
+ pxor $twtmp, $twtmp
+ movdqa @XMM[7], @XMM[$i]
+ movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i]
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+ pxor $twres, @XMM[7]
+___
+ $code.=<<___ if ($i>=1);
+ movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1]
+___
+ $code.=<<___ if ($i>=2);
+ pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[]
+___
+ }
+$code.=<<___;
+ movdqu 0x60($inp), @XMM[8+6]
+ pxor @XMM[8+5], @XMM[5]
+ movdqu 0x70($inp), @XMM[8+7]
+ lea 0x80($inp), $inp
+ movdqa @XMM[7], 0x70(%rsp)
+ pxor @XMM[8+6], @XMM[6]
+ lea 0x80(%rsp), %rax # pass key schedule
+ pxor @XMM[8+7], @XMM[7]
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[6]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[4]
+ movdqu @XMM[6], 0x20($out)
+ pxor 0x40(%rsp), @XMM[2]
+ movdqu @XMM[4], 0x30($out)
+ pxor 0x50(%rsp), @XMM[7]
+ movdqu @XMM[2], 0x40($out)
+ pxor 0x60(%rsp), @XMM[3]
+ movdqu @XMM[7], 0x50($out)
+ pxor 0x70(%rsp), @XMM[5]
+ movdqu @XMM[3], 0x60($out)
+ movdqu @XMM[5], 0x70($out)
+ lea 0x80($out), $out
+
+ movdqa 0x70(%rsp), @XMM[7] # prepare next iteration tweak
+ pxor $twtmp, $twtmp
+ movdqa .Lxts_magic(%rip), $twmask
+ pcmpgtd @XMM[7], $twtmp
+ pshufd \$0x13, $twtmp, $twres
+ pxor $twtmp, $twtmp
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+ pxor $twres, @XMM[7]
+
+ sub \$0x80,$len
+ jnc .Lxts_dec_loop
+
+.Lxts_dec_short:
+ add \$0x80, $len
+ jz .Lxts_dec_done
+___
+ for ($i=0;$i<7;$i++) {
+ $code.=<<___;
+ pshufd \$0x13, $twtmp, $twres
+ pxor $twtmp, $twtmp
+ movdqa @XMM[7], @XMM[$i]
+ movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i]
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ pcmpgtd @XMM[7], $twtmp # broadcast upper bits
+ pxor $twres, @XMM[7]
+___
+ $code.=<<___ if ($i>=1);
+ movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1]
+ cmp \$`0x10*$i`,$len
+ je .Lxts_dec_$i
+___
+ $code.=<<___ if ($i>=2);
+ pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[]
+___
+ }
+$code.=<<___;
+ movdqu 0x60($inp), @XMM[8+6]
+ pxor @XMM[8+5], @XMM[5]
+ movdqa @XMM[7], 0x70(%rsp)
+ lea 0x70($inp), $inp
+ pxor @XMM[8+6], @XMM[6]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[6]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[4]
+ movdqu @XMM[6], 0x20($out)
+ pxor 0x40(%rsp), @XMM[2]
+ movdqu @XMM[4], 0x30($out)
+ pxor 0x50(%rsp), @XMM[7]
+ movdqu @XMM[2], 0x40($out)
+ pxor 0x60(%rsp), @XMM[3]
+ movdqu @XMM[7], 0x50($out)
+ movdqu @XMM[3], 0x60($out)
+ lea 0x70($out), $out
+
+ movdqa 0x70(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_dec_done
+.align 16
+.Lxts_dec_6:
+ pxor @XMM[8+4], @XMM[4]
+ lea 0x60($inp), $inp
+ pxor @XMM[8+5], @XMM[5]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[6]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[4]
+ movdqu @XMM[6], 0x20($out)
+ pxor 0x40(%rsp), @XMM[2]
+ movdqu @XMM[4], 0x30($out)
+ pxor 0x50(%rsp), @XMM[7]
+ movdqu @XMM[2], 0x40($out)
+ movdqu @XMM[7], 0x50($out)
+ lea 0x60($out), $out
+
+ movdqa 0x60(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_dec_done
+.align 16
+.Lxts_dec_5:
+ pxor @XMM[8+3], @XMM[3]
+ lea 0x50($inp), $inp
+ pxor @XMM[8+4], @XMM[4]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[6]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[4]
+ movdqu @XMM[6], 0x20($out)
+ pxor 0x40(%rsp), @XMM[2]
+ movdqu @XMM[4], 0x30($out)
+ movdqu @XMM[2], 0x40($out)
+ lea 0x50($out), $out
+
+ movdqa 0x50(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_dec_done
+.align 16
+.Lxts_dec_4:
+ pxor @XMM[8+2], @XMM[2]
+ lea 0x40($inp), $inp
+ pxor @XMM[8+3], @XMM[3]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[6]
+ movdqu @XMM[1], 0x10($out)
+ pxor 0x30(%rsp), @XMM[4]
+ movdqu @XMM[6], 0x20($out)
+ movdqu @XMM[4], 0x30($out)
+ lea 0x40($out), $out
+
+ movdqa 0x40(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_dec_done
+.align 16
+.Lxts_dec_3:
+ pxor @XMM[8+1], @XMM[1]
+ lea 0x30($inp), $inp
+ pxor @XMM[8+2], @XMM[2]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ pxor 0x20(%rsp), @XMM[6]
+ movdqu @XMM[1], 0x10($out)
+ movdqu @XMM[6], 0x20($out)
+ lea 0x30($out), $out
+
+ movdqa 0x30(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_dec_done
+.align 16
+.Lxts_dec_2:
+ pxor @XMM[8+0], @XMM[0]
+ lea 0x20($inp), $inp
+ pxor @XMM[8+1], @XMM[1]
+ lea 0x80(%rsp), %rax # pass key schedule
+ mov %edx, %r10d # pass rounds
+
+ call _bsaes_decrypt8
+
+ pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ pxor 0x10(%rsp), @XMM[1]
+ movdqu @XMM[0], 0x00($out) # write output
+ movdqu @XMM[1], 0x10($out)
+ lea 0x20($out), $out
+
+ movdqa 0x20(%rsp), @XMM[7] # next iteration tweak
+ jmp .Lxts_dec_done
+.align 16
+.Lxts_dec_1:
+ pxor @XMM[0], @XMM[8]
+ lea 0x10($inp), $inp
+ movdqa @XMM[8], 0x20(%rbp)
+ lea 0x20(%rbp), $arg1
+ lea 0x20(%rbp), $arg2
+ lea ($key), $arg3
+ call asm_AES_decrypt # doesn't touch %xmm
+ pxor 0x20(%rbp), @XMM[0] # ^= tweak[]
+ #pxor @XMM[8], @XMM[0]
+ #lea 0x80(%rsp), %rax # pass key schedule
+ #mov %edx, %r10d # pass rounds
+ #call _bsaes_decrypt8
+ #pxor 0x00(%rsp), @XMM[0] # ^= tweak[]
+ movdqu @XMM[0], 0x00($out) # write output
+ lea 0x10($out), $out
+
+ movdqa 0x10(%rsp), @XMM[7] # next iteration tweak
+
+.Lxts_dec_done:
+ and \$15, %ebx
+ jz .Lxts_dec_ret
+
+ pxor $twtmp, $twtmp
+ movdqa .Lxts_magic(%rip), $twmask
+ pcmpgtd @XMM[7], $twtmp
+ pshufd \$0x13, $twtmp, $twres
+ movdqa @XMM[7], @XMM[6]
+ paddq @XMM[7], @XMM[7] # psllq 1,$tweak
+ pand $twmask, $twres # isolate carry and residue
+ movdqu ($inp), @XMM[0]
+ pxor $twres, @XMM[7]
+
+ lea 0x20(%rbp), $arg1
+ pxor @XMM[7], @XMM[0]
+ lea 0x20(%rbp), $arg2
+ movdqa @XMM[0], 0x20(%rbp)
+ lea ($key), $arg3
+ call asm_AES_decrypt # doesn't touch %xmm
+ pxor 0x20(%rbp), @XMM[7]
+ mov $out, %rdx
+ movdqu @XMM[7], ($out)
+
+.Lxts_dec_steal:
+ movzb 16($inp), %eax
+ movzb (%rdx), %ecx
+ lea 1($inp), $inp
+ mov %al, (%rdx)
+ mov %cl, 16(%rdx)
+ lea 1(%rdx), %rdx
+ sub \$1,%ebx
+ jnz .Lxts_dec_steal
+
+ movdqu ($out), @XMM[0]
+ lea 0x20(%rbp), $arg1
+ pxor @XMM[6], @XMM[0]
+ lea 0x20(%rbp), $arg2
+ movdqa @XMM[0], 0x20(%rbp)
+ lea ($key), $arg3
+ call asm_AES_decrypt # doesn't touch %xmm
+ pxor 0x20(%rbp), @XMM[6]
+ movdqu @XMM[6], ($out)
+
+.Lxts_dec_ret:
+ lea (%rsp), %rax
+ pxor %xmm0, %xmm0
+.Lxts_dec_bzero: # wipe key schedule [if any]
+ movdqa %xmm0, 0x00(%rax)
+ movdqa %xmm0, 0x10(%rax)
+ lea 0x20(%rax), %rax
+ cmp %rax, %rbp
+ ja .Lxts_dec_bzero
+
+ lea (%rbp),%rsp # restore %rsp
+___
+$code.=<<___ if ($win64);
+ movaps 0x40(%rbp), %xmm6
+ movaps 0x50(%rbp), %xmm7
+ movaps 0x60(%rbp), %xmm8
+ movaps 0x70(%rbp), %xmm9
+ movaps 0x80(%rbp), %xmm10
+ movaps 0x90(%rbp), %xmm11
+ movaps 0xa0(%rbp), %xmm12
+ movaps 0xb0(%rbp), %xmm13
+ movaps 0xc0(%rbp), %xmm14
+ movaps 0xd0(%rbp), %xmm15
+ lea 0xa0(%rbp), %rsp
+___
+$code.=<<___;
+ mov 0x48(%rsp), %r15
+ mov 0x50(%rsp), %r14
+ mov 0x58(%rsp), %r13
+ mov 0x60(%rsp), %r12
+ mov 0x68(%rsp), %rbx
+ mov 0x70(%rsp), %rax
+ lea 0x78(%rsp), %rsp
+ mov %rax, %rbp
+.Lxts_dec_epilogue:
+ ret
+.size bsaes_xts_decrypt,.-bsaes_xts_decrypt
+___
+}
+$code.=<<___;
+.type _bsaes_const,\@object
+.align 64
+_bsaes_const:
+.LM0ISR: # InvShiftRows constants
+ .quad 0x0a0e0206070b0f03, 0x0004080c0d010509
+.LISRM0:
+ .quad 0x01040b0e0205080f, 0x0306090c00070a0d
+.LISR:
+ .quad 0x0504070602010003, 0x0f0e0d0c080b0a09
+.LBS0: # bit-slice constants
+ .quad 0x5555555555555555, 0x5555555555555555
+.LBS1:
+ .quad 0x3333333333333333, 0x3333333333333333
+.LBS2:
+ .quad 0x0f0f0f0f0f0f0f0f, 0x0f0f0f0f0f0f0f0f
.LSR: # shiftrows constants
.quad 0x0504070600030201, 0x0f0e0d0c0a09080b
.LSRM0:
.quad 0x0000000000000000, 0x0000000700000000
.LADD8:
.quad 0x0000000000000000, 0x0000000800000000
-.asciz "Bit-sliced AES for x86_64/SSSE3, Emilia Käsper and Peter Schwabe"
+.Lxts_magic:
+ .long 0x87,0,1,0
+.asciz "Bit-sliced AES for x86_64/SSSE3, Emilia Käsper, Peter Schwabe, Andy Polyakov"
.align 64
+.size _bsaes_const,.-_bsaes_const
+___
+
+# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
+# CONTEXT *context,DISPATCHER_CONTEXT *disp)
+if ($win64) {
+$rec="%rcx";
+$frame="%rdx";
+$context="%r8";
+$disp="%r9";
+
+$code.=<<___;
+.extern __imp_RtlVirtualUnwind
+.type se_handler,\@abi-omnipotent
+.align 16
+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 label
+ cmp %r10,%rbx # context->Rip<prologue label
+ jb .Lin_prologue
+
+ mov 152($context),%rax # pull context->Rsp
+
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # epilogue label
+ cmp %r10,%rbx # context->Rip>=epilogue label
+ jae .Lin_prologue
+
+ mov 160($context),%rax # pull context->Rbp
+
+ lea 0x40(%rax),%rsi # %xmm save area
+ lea 512($context),%rdi # &context.Xmm6
+ mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax)
+ .long 0xa548f3fc # cld; rep movsq
+ lea 0xa0(%rax),%rax # adjust stack pointer
+
+ mov 0x70(%rax),%rbp
+ mov 0x68(%rax),%rbx
+ mov 0x60(%rax),%r12
+ mov 0x58(%rax),%r13
+ mov 0x50(%rax),%r14
+ mov 0x48(%rax),%r15
+ lea 0x78(%rax),%rax # adjust stack pointer
+ mov %rbx,144($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
+ mov %r15,240($context) # restore context->R15
+
+.Lin_prologue:
+ mov %rax,152($context) # restore context->Rsp
+
+ mov 40($disp),%rdi # disp->ContextRecord
+ mov $context,%rsi # context
+ mov \$`1232/8`,%ecx # sizeof(CONTEXT)
+ .long 0xa548f3fc # cld; rep movsq
+
+ mov $disp,%rsi
+ xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
+ mov 8(%rsi),%rdx # arg2, disp->ImageBase
+ mov 0(%rsi),%r8 # arg3, disp->ControlPc
+ mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
+ mov 40(%rsi),%r10 # disp->ContextRecord
+ lea 56(%rsi),%r11 # &disp->HandlerData
+ lea 24(%rsi),%r12 # &disp->EstablisherFrame
+ mov %r10,32(%rsp) # arg5
+ mov %r11,40(%rsp) # arg6
+ mov %r12,48(%rsp) # arg7
+ mov %rcx,56(%rsp) # arg8, (NULL)
+ call *__imp_RtlVirtualUnwind(%rip)
+
+ mov \$1,%eax # ExceptionContinueSearch
+ add \$64,%rsp
+ popfq
+ pop %r15
+ pop %r14
+ pop %r13
+ pop %r12
+ pop %rbp
+ pop %rbx
+ pop %rdi
+ pop %rsi
+ ret
+.size se_handler,.-se_handler
+
+.section .pdata
+.align 4
+___
+$code.=<<___ if ($ecb);
+ .rva .Lecb_enc_prologue
+ .rva .Lecb_enc_epilogue
+ .rva .Lecb_enc_info
+
+ .rva .Lecb_dec_prologue
+ .rva .Lecb_dec_epilogue
+ .rva .Lecb_dec_info
+___
+$code.=<<___;
+ .rva .Lcbc_dec_prologue
+ .rva .Lcbc_dec_epilogue
+ .rva .Lcbc_dec_info
+
+ .rva .Lctr_enc_prologue
+ .rva .Lctr_enc_epilogue
+ .rva .Lctr_enc_info
+
+ .rva .Lxts_enc_prologue
+ .rva .Lxts_enc_epilogue
+ .rva .Lxts_enc_info
+
+ .rva .Lxts_dec_prologue
+ .rva .Lxts_dec_epilogue
+ .rva .Lxts_dec_info
+
+.section .xdata
+.align 8
___
+$code.=<<___ if ($ecb);
+.Lecb_enc_info:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lecb_enc_body,.Lecb_enc_epilogue # HandlerData[]
+.Lecb_dec_info:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lecb_dec_body,.Lecb_dec_epilogue # HandlerData[]
+___
+$code.=<<___;
+.Lcbc_dec_info:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lcbc_dec_body,.Lcbc_dec_epilogue # HandlerData[]
+.Lctr_enc_info:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lctr_enc_body,.Lctr_enc_epilogue # HandlerData[]
+.Lxts_enc_info:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lxts_enc_body,.Lxts_enc_epilogue # HandlerData[]
+.Lxts_dec_info:
+ .byte 9,0,0,0
+ .rva se_handler
+ .rva .Lxts_dec_body,.Lxts_dec_epilogue # HandlerData[]
+___
+}
$code =~ s/\`([^\`]*)\`/eval($1)/gem;
projects / openssl.git / blobdiff