| 1 | #! /usr/bin/env perl
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| 2 | # Copyright 2013-2020 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | #
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| 4 | # Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | # this file except in compliance with the License. You can obtain a copy
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| 6 | # in the file LICENSE in the source distribution or at
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| 7 | # https://www.openssl.org/source/license.html
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| 8 |
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| 9 |
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| 10 | # ====================================================================
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| 11 | # Written by David S. Miller and Andy Polyakov.
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| 12 | # The module is licensed under 2-clause BSD
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| 13 | # license. March 2013. All rights reserved.
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| 14 | # ====================================================================
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| 15 |
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| 16 | ######################################################################
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| 17 | # DES for SPARC T4.
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| 18 | #
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| 19 | # As with other hardware-assisted ciphers CBC encrypt results [for
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| 20 | # aligned data] are virtually identical to critical path lengths:
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| 21 | #
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| 22 | # DES Triple-DES
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| 23 | # CBC encrypt 4.14/4.15(*) 11.7/11.7
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| 24 | # CBC decrypt 1.77/4.11(**) 6.42/7.47
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| 25 | #
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| 26 | # (*) numbers after slash are for
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| 27 | # misaligned data;
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| 28 | # (**) this is result for largest
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| 29 | # block size, unlike all other
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| 30 | # cases smaller blocks results
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| 31 | # are better[?];
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| 32 |
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| 33 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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| 34 | push(@INC,"${dir}","${dir}../../perlasm");
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| 35 | require "sparcv9_modes.pl";
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| 36 |
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| 37 | $output=pop;
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| 38 | open STDOUT,">$output";
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| 39 |
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| 40 | $code.=<<___;
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| 41 | #include "sparc_arch.h"
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| 42 |
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| 43 | #ifdef __arch64__
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| 44 | .register %g2,#scratch
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| 45 | .register %g3,#scratch
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| 46 | #endif
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| 47 |
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| 48 | .text
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| 49 | ___
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| 50 |
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| 51 | { my ($inp,$out)=("%o0","%o1");
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| 52 |
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| 53 | $code.=<<___;
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| 54 | .align 32
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| 55 | .globl des_t4_key_expand
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| 56 | .type des_t4_key_expand,#function
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| 57 | des_t4_key_expand:
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| 58 | andcc $inp, 0x7, %g0
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| 59 | alignaddr $inp, %g0, $inp
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| 60 | bz,pt %icc, 1f
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| 61 | ldd [$inp + 0x00], %f0
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| 62 | ldd [$inp + 0x08], %f2
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| 63 | faligndata %f0, %f2, %f0
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| 64 | 1: des_kexpand %f0, 0, %f0
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| 65 | des_kexpand %f0, 1, %f2
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| 66 | std %f0, [$out + 0x00]
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| 67 | des_kexpand %f2, 3, %f6
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| 68 | std %f2, [$out + 0x08]
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| 69 | des_kexpand %f2, 2, %f4
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| 70 | des_kexpand %f6, 3, %f10
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| 71 | std %f6, [$out + 0x18]
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| 72 | des_kexpand %f6, 2, %f8
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| 73 | std %f4, [$out + 0x10]
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| 74 | des_kexpand %f10, 3, %f14
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| 75 | std %f10, [$out + 0x28]
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| 76 | des_kexpand %f10, 2, %f12
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| 77 | std %f8, [$out + 0x20]
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| 78 | des_kexpand %f14, 1, %f16
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| 79 | std %f14, [$out + 0x38]
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| 80 | des_kexpand %f16, 3, %f20
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| 81 | std %f12, [$out + 0x30]
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| 82 | des_kexpand %f16, 2, %f18
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| 83 | std %f16, [$out + 0x40]
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| 84 | des_kexpand %f20, 3, %f24
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| 85 | std %f20, [$out + 0x50]
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| 86 | des_kexpand %f20, 2, %f22
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| 87 | std %f18, [$out + 0x48]
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| 88 | des_kexpand %f24, 3, %f28
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| 89 | std %f24, [$out + 0x60]
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| 90 | des_kexpand %f24, 2, %f26
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| 91 | std %f22, [$out + 0x58]
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| 92 | des_kexpand %f28, 1, %f30
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| 93 | std %f28, [$out + 0x70]
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| 94 | std %f26, [$out + 0x68]
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| 95 | retl
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| 96 | std %f30, [$out + 0x78]
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| 97 | .size des_t4_key_expand,.-des_t4_key_expand
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| 98 | ___
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| 99 | }
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| 100 | { my ($inp,$out,$len,$key,$ivec) = map("%o$_",(0..4));
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| 101 | my ($ileft,$iright,$omask) = map("%g$_",(1..3));
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| 102 |
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| 103 | $code.=<<___;
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| 104 | .globl des_t4_cbc_encrypt
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| 105 | .align 32
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| 106 | des_t4_cbc_encrypt:
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| 107 | cmp $len, 0
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| 108 | be,pn $::size_t_cc, .Lcbc_abort
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| 109 | srln $len, 0, $len ! needed on v8+, "nop" on v9
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| 110 | ld [$ivec + 0], %f0 ! load ivec
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| 111 | ld [$ivec + 4], %f1
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| 112 |
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| 113 | and $inp, 7, $ileft
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| 114 | andn $inp, 7, $inp
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| 115 | sll $ileft, 3, $ileft
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| 116 | mov 0xff, $omask
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| 117 | prefetch [$inp], 20
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| 118 | prefetch [$inp + 63], 20
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| 119 | sub %g0, $ileft, $iright
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| 120 | and $out, 7, %g4
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| 121 | alignaddrl $out, %g0, $out
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| 122 | srl $omask, %g4, $omask
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| 123 | srlx $len, 3, $len
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| 124 | movrz %g4, 0, $omask
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| 125 | prefetch [$out], 22
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| 126 |
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| 127 | ldd [$key + 0x00], %f4 ! load key schedule
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| 128 | ldd [$key + 0x08], %f6
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| 129 | ldd [$key + 0x10], %f8
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| 130 | ldd [$key + 0x18], %f10
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| 131 | ldd [$key + 0x20], %f12
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| 132 | ldd [$key + 0x28], %f14
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| 133 | ldd [$key + 0x30], %f16
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| 134 | ldd [$key + 0x38], %f18
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| 135 | ldd [$key + 0x40], %f20
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| 136 | ldd [$key + 0x48], %f22
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| 137 | ldd [$key + 0x50], %f24
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| 138 | ldd [$key + 0x58], %f26
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| 139 | ldd [$key + 0x60], %f28
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| 140 | ldd [$key + 0x68], %f30
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| 141 | ldd [$key + 0x70], %f32
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| 142 | ldd [$key + 0x78], %f34
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| 143 |
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| 144 | .Ldes_cbc_enc_loop:
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| 145 | ldx [$inp + 0], %g4
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| 146 | brz,pt $ileft, 4f
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| 147 | nop
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| 148 |
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| 149 | ldx [$inp + 8], %g5
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| 150 | sllx %g4, $ileft, %g4
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| 151 | srlx %g5, $iright, %g5
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| 152 | or %g5, %g4, %g4
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| 153 | 4:
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| 154 | movxtod %g4, %f2
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| 155 | prefetch [$inp + 8+63], 20
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| 156 | add $inp, 8, $inp
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| 157 | fxor %f2, %f0, %f0 ! ^= ivec
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| 158 | prefetch [$out + 63], 22
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| 159 |
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| 160 | des_ip %f0, %f0
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| 161 | des_round %f4, %f6, %f0, %f0
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| 162 | des_round %f8, %f10, %f0, %f0
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| 163 | des_round %f12, %f14, %f0, %f0
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| 164 | des_round %f16, %f18, %f0, %f0
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| 165 | des_round %f20, %f22, %f0, %f0
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| 166 | des_round %f24, %f26, %f0, %f0
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| 167 | des_round %f28, %f30, %f0, %f0
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| 168 | des_round %f32, %f34, %f0, %f0
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| 169 | des_iip %f0, %f0
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| 170 |
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| 171 | brnz,pn $omask, 2f
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| 172 | sub $len, 1, $len
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| 173 |
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| 174 | std %f0, [$out + 0]
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| 175 | brnz,pt $len, .Ldes_cbc_enc_loop
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| 176 | add $out, 8, $out
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| 177 |
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| 178 | st %f0, [$ivec + 0] ! write out ivec
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| 179 | retl
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| 180 | st %f1, [$ivec + 4]
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| 181 | .Lcbc_abort:
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| 182 | retl
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| 183 | nop
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| 184 |
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| 185 | .align 16
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| 186 | 2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
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| 187 | ! and ~4x deterioration
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| 188 | ! in inp==out case
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| 189 | faligndata %f0, %f0, %f2 ! handle unaligned output
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| 190 |
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| 191 | stda %f2, [$out + $omask]0xc0 ! partial store
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| 192 | add $out, 8, $out
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| 193 | orn %g0, $omask, $omask
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| 194 | stda %f2, [$out + $omask]0xc0 ! partial store
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| 195 |
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| 196 | brnz,pt $len, .Ldes_cbc_enc_loop+4
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| 197 | orn %g0, $omask, $omask
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| 198 |
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| 199 | st %f0, [$ivec + 0] ! write out ivec
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| 200 | retl
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| 201 | st %f1, [$ivec + 4]
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| 202 | .type des_t4_cbc_encrypt,#function
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| 203 | .size des_t4_cbc_encrypt,.-des_t4_cbc_encrypt
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| 204 |
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| 205 | .globl des_t4_cbc_decrypt
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| 206 | .align 32
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| 207 | des_t4_cbc_decrypt:
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| 208 | cmp $len, 0
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| 209 | be,pn $::size_t_cc, .Lcbc_abort
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| 210 | srln $len, 0, $len ! needed on v8+, "nop" on v9
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| 211 | ld [$ivec + 0], %f2 ! load ivec
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| 212 | ld [$ivec + 4], %f3
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| 213 |
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| 214 | and $inp, 7, $ileft
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| 215 | andn $inp, 7, $inp
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| 216 | sll $ileft, 3, $ileft
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| 217 | mov 0xff, $omask
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| 218 | prefetch [$inp], 20
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| 219 | prefetch [$inp + 63], 20
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| 220 | sub %g0, $ileft, $iright
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| 221 | and $out, 7, %g4
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| 222 | alignaddrl $out, %g0, $out
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| 223 | srl $omask, %g4, $omask
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| 224 | srlx $len, 3, $len
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| 225 | movrz %g4, 0, $omask
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| 226 | prefetch [$out], 22
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| 227 |
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| 228 | ldd [$key + 0x78], %f4 ! load key schedule
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| 229 | ldd [$key + 0x70], %f6
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| 230 | ldd [$key + 0x68], %f8
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| 231 | ldd [$key + 0x60], %f10
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| 232 | ldd [$key + 0x58], %f12
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| 233 | ldd [$key + 0x50], %f14
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| 234 | ldd [$key + 0x48], %f16
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| 235 | ldd [$key + 0x40], %f18
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| 236 | ldd [$key + 0x38], %f20
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| 237 | ldd [$key + 0x30], %f22
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| 238 | ldd [$key + 0x28], %f24
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| 239 | ldd [$key + 0x20], %f26
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| 240 | ldd [$key + 0x18], %f28
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| 241 | ldd [$key + 0x10], %f30
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| 242 | ldd [$key + 0x08], %f32
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| 243 | ldd [$key + 0x00], %f34
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| 244 |
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| 245 | .Ldes_cbc_dec_loop:
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| 246 | ldx [$inp + 0], %g4
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| 247 | brz,pt $ileft, 4f
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| 248 | nop
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| 249 |
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| 250 | ldx [$inp + 8], %g5
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| 251 | sllx %g4, $ileft, %g4
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| 252 | srlx %g5, $iright, %g5
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| 253 | or %g5, %g4, %g4
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| 254 | 4:
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| 255 | movxtod %g4, %f0
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| 256 | prefetch [$inp + 8+63], 20
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| 257 | add $inp, 8, $inp
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| 258 | prefetch [$out + 63], 22
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| 259 |
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| 260 | des_ip %f0, %f0
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| 261 | des_round %f4, %f6, %f0, %f0
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| 262 | des_round %f8, %f10, %f0, %f0
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| 263 | des_round %f12, %f14, %f0, %f0
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| 264 | des_round %f16, %f18, %f0, %f0
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| 265 | des_round %f20, %f22, %f0, %f0
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| 266 | des_round %f24, %f26, %f0, %f0
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| 267 | des_round %f28, %f30, %f0, %f0
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| 268 | des_round %f32, %f34, %f0, %f0
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| 269 | des_iip %f0, %f0
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| 270 |
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| 271 | fxor %f2, %f0, %f0 ! ^= ivec
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| 272 | movxtod %g4, %f2
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| 273 |
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| 274 | brnz,pn $omask, 2f
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| 275 | sub $len, 1, $len
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| 276 |
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| 277 | std %f0, [$out + 0]
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| 278 | brnz,pt $len, .Ldes_cbc_dec_loop
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| 279 | add $out, 8, $out
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| 280 |
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| 281 | st %f2, [$ivec + 0] ! write out ivec
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| 282 | retl
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| 283 | st %f3, [$ivec + 4]
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| 284 |
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| 285 | .align 16
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| 286 | 2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
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| 287 | ! and ~4x deterioration
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| 288 | ! in inp==out case
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| 289 | faligndata %f0, %f0, %f0 ! handle unaligned output
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| 290 |
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| 291 | stda %f0, [$out + $omask]0xc0 ! partial store
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| 292 | add $out, 8, $out
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| 293 | orn %g0, $omask, $omask
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| 294 | stda %f0, [$out + $omask]0xc0 ! partial store
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| 295 |
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| 296 | brnz,pt $len, .Ldes_cbc_dec_loop+4
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| 297 | orn %g0, $omask, $omask
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| 298 |
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| 299 | st %f2, [$ivec + 0] ! write out ivec
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| 300 | retl
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| 301 | st %f3, [$ivec + 4]
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| 302 | .type des_t4_cbc_decrypt,#function
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| 303 | .size des_t4_cbc_decrypt,.-des_t4_cbc_decrypt
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| 304 | ___
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| 305 |
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| 306 | # One might wonder why does one have back-to-back des_iip/des_ip
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| 307 | # pairs between EDE passes. Indeed, aren't they inverse of each other?
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| 308 | # They almost are. Outcome of the pair is 32-bit words being swapped
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| 309 | # in target register. Consider pair of des_iip/des_ip as a way to
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| 310 | # perform the due swap, it's actually fastest way in this case.
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| 311 |
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| 312 | $code.=<<___;
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| 313 | .globl des_t4_ede3_cbc_encrypt
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| 314 | .align 32
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| 315 | des_t4_ede3_cbc_encrypt:
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| 316 | cmp $len, 0
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| 317 | be,pn $::size_t_cc, .Lcbc_abort
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| 318 | srln $len, 0, $len ! needed on v8+, "nop" on v9
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| 319 | ld [$ivec + 0], %f0 ! load ivec
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| 320 | ld [$ivec + 4], %f1
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| 321 |
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| 322 | and $inp, 7, $ileft
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| 323 | andn $inp, 7, $inp
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| 324 | sll $ileft, 3, $ileft
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| 325 | mov 0xff, $omask
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| 326 | prefetch [$inp], 20
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| 327 | prefetch [$inp + 63], 20
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| 328 | sub %g0, $ileft, $iright
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| 329 | and $out, 7, %g4
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| 330 | alignaddrl $out, %g0, $out
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| 331 | srl $omask, %g4, $omask
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| 332 | srlx $len, 3, $len
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| 333 | movrz %g4, 0, $omask
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| 334 | prefetch [$out], 22
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| 335 |
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| 336 | ldd [$key + 0x00], %f4 ! load key schedule
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| 337 | ldd [$key + 0x08], %f6
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| 338 | ldd [$key + 0x10], %f8
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| 339 | ldd [$key + 0x18], %f10
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| 340 | ldd [$key + 0x20], %f12
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| 341 | ldd [$key + 0x28], %f14
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| 342 | ldd [$key + 0x30], %f16
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| 343 | ldd [$key + 0x38], %f18
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| 344 | ldd [$key + 0x40], %f20
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| 345 | ldd [$key + 0x48], %f22
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| 346 | ldd [$key + 0x50], %f24
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| 347 | ldd [$key + 0x58], %f26
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| 348 | ldd [$key + 0x60], %f28
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| 349 | ldd [$key + 0x68], %f30
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| 350 | ldd [$key + 0x70], %f32
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| 351 | ldd [$key + 0x78], %f34
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| 352 |
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| 353 | .Ldes_ede3_cbc_enc_loop:
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| 354 | ldx [$inp + 0], %g4
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| 355 | brz,pt $ileft, 4f
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| 356 | nop
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| 357 |
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| 358 | ldx [$inp + 8], %g5
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| 359 | sllx %g4, $ileft, %g4
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| 360 | srlx %g5, $iright, %g5
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| 361 | or %g5, %g4, %g4
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| 362 | 4:
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| 363 | movxtod %g4, %f2
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| 364 | prefetch [$inp + 8+63], 20
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| 365 | add $inp, 8, $inp
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| 366 | fxor %f2, %f0, %f0 ! ^= ivec
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| 367 | prefetch [$out + 63], 22
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| 368 |
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| 369 | des_ip %f0, %f0
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| 370 | des_round %f4, %f6, %f0, %f0
|
|---|
| 371 | des_round %f8, %f10, %f0, %f0
|
|---|
| 372 | des_round %f12, %f14, %f0, %f0
|
|---|
| 373 | des_round %f16, %f18, %f0, %f0
|
|---|
| 374 | ldd [$key + 0x100-0x08], %f36
|
|---|
| 375 | ldd [$key + 0x100-0x10], %f38
|
|---|
| 376 | des_round %f20, %f22, %f0, %f0
|
|---|
| 377 | ldd [$key + 0x100-0x18], %f40
|
|---|
| 378 | ldd [$key + 0x100-0x20], %f42
|
|---|
| 379 | des_round %f24, %f26, %f0, %f0
|
|---|
| 380 | ldd [$key + 0x100-0x28], %f44
|
|---|
| 381 | ldd [$key + 0x100-0x30], %f46
|
|---|
| 382 | des_round %f28, %f30, %f0, %f0
|
|---|
| 383 | ldd [$key + 0x100-0x38], %f48
|
|---|
| 384 | ldd [$key + 0x100-0x40], %f50
|
|---|
| 385 | des_round %f32, %f34, %f0, %f0
|
|---|
| 386 | ldd [$key + 0x100-0x48], %f52
|
|---|
| 387 | ldd [$key + 0x100-0x50], %f54
|
|---|
| 388 | des_iip %f0, %f0
|
|---|
| 389 |
|
|---|
| 390 | ldd [$key + 0x100-0x58], %f56
|
|---|
| 391 | ldd [$key + 0x100-0x60], %f58
|
|---|
| 392 | des_ip %f0, %f0
|
|---|
| 393 | ldd [$key + 0x100-0x68], %f60
|
|---|
| 394 | ldd [$key + 0x100-0x70], %f62
|
|---|
| 395 | des_round %f36, %f38, %f0, %f0
|
|---|
| 396 | ldd [$key + 0x100-0x78], %f36
|
|---|
| 397 | ldd [$key + 0x100-0x80], %f38
|
|---|
| 398 | des_round %f40, %f42, %f0, %f0
|
|---|
| 399 | des_round %f44, %f46, %f0, %f0
|
|---|
| 400 | des_round %f48, %f50, %f0, %f0
|
|---|
| 401 | ldd [$key + 0x100+0x00], %f40
|
|---|
| 402 | ldd [$key + 0x100+0x08], %f42
|
|---|
| 403 | des_round %f52, %f54, %f0, %f0
|
|---|
| 404 | ldd [$key + 0x100+0x10], %f44
|
|---|
| 405 | ldd [$key + 0x100+0x18], %f46
|
|---|
| 406 | des_round %f56, %f58, %f0, %f0
|
|---|
| 407 | ldd [$key + 0x100+0x20], %f48
|
|---|
| 408 | ldd [$key + 0x100+0x28], %f50
|
|---|
| 409 | des_round %f60, %f62, %f0, %f0
|
|---|
| 410 | ldd [$key + 0x100+0x30], %f52
|
|---|
| 411 | ldd [$key + 0x100+0x38], %f54
|
|---|
| 412 | des_round %f36, %f38, %f0, %f0
|
|---|
| 413 | ldd [$key + 0x100+0x40], %f56
|
|---|
| 414 | ldd [$key + 0x100+0x48], %f58
|
|---|
| 415 | des_iip %f0, %f0
|
|---|
| 416 |
|
|---|
| 417 | ldd [$key + 0x100+0x50], %f60
|
|---|
| 418 | ldd [$key + 0x100+0x58], %f62
|
|---|
| 419 | des_ip %f0, %f0
|
|---|
| 420 | ldd [$key + 0x100+0x60], %f36
|
|---|
| 421 | ldd [$key + 0x100+0x68], %f38
|
|---|
| 422 | des_round %f40, %f42, %f0, %f0
|
|---|
| 423 | ldd [$key + 0x100+0x70], %f40
|
|---|
| 424 | ldd [$key + 0x100+0x78], %f42
|
|---|
| 425 | des_round %f44, %f46, %f0, %f0
|
|---|
| 426 | des_round %f48, %f50, %f0, %f0
|
|---|
| 427 | des_round %f52, %f54, %f0, %f0
|
|---|
| 428 | des_round %f56, %f58, %f0, %f0
|
|---|
| 429 | des_round %f60, %f62, %f0, %f0
|
|---|
| 430 | des_round %f36, %f38, %f0, %f0
|
|---|
| 431 | des_round %f40, %f42, %f0, %f0
|
|---|
| 432 | des_iip %f0, %f0
|
|---|
| 433 |
|
|---|
| 434 | brnz,pn $omask, 2f
|
|---|
| 435 | sub $len, 1, $len
|
|---|
| 436 |
|
|---|
| 437 | std %f0, [$out + 0]
|
|---|
| 438 | brnz,pt $len, .Ldes_ede3_cbc_enc_loop
|
|---|
| 439 | add $out, 8, $out
|
|---|
| 440 |
|
|---|
| 441 | st %f0, [$ivec + 0] ! write out ivec
|
|---|
| 442 | retl
|
|---|
| 443 | st %f1, [$ivec + 4]
|
|---|
| 444 |
|
|---|
| 445 | .align 16
|
|---|
| 446 | 2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
|
|---|
| 447 | ! and ~2x deterioration
|
|---|
| 448 | ! in inp==out case
|
|---|
| 449 | faligndata %f0, %f0, %f2 ! handle unaligned output
|
|---|
| 450 |
|
|---|
| 451 | stda %f2, [$out + $omask]0xc0 ! partial store
|
|---|
| 452 | add $out, 8, $out
|
|---|
| 453 | orn %g0, $omask, $omask
|
|---|
| 454 | stda %f2, [$out + $omask]0xc0 ! partial store
|
|---|
| 455 |
|
|---|
| 456 | brnz,pt $len, .Ldes_ede3_cbc_enc_loop+4
|
|---|
| 457 | orn %g0, $omask, $omask
|
|---|
| 458 |
|
|---|
| 459 | st %f0, [$ivec + 0] ! write out ivec
|
|---|
| 460 | retl
|
|---|
| 461 | st %f1, [$ivec + 4]
|
|---|
| 462 | .type des_t4_ede3_cbc_encrypt,#function
|
|---|
| 463 | .size des_t4_ede3_cbc_encrypt,.-des_t4_ede3_cbc_encrypt
|
|---|
| 464 |
|
|---|
| 465 | .globl des_t4_ede3_cbc_decrypt
|
|---|
| 466 | .align 32
|
|---|
| 467 | des_t4_ede3_cbc_decrypt:
|
|---|
| 468 | cmp $len, 0
|
|---|
| 469 | be,pn $::size_t_cc, .Lcbc_abort
|
|---|
| 470 | srln $len, 0, $len ! needed on v8+, "nop" on v9
|
|---|
| 471 | ld [$ivec + 0], %f2 ! load ivec
|
|---|
| 472 | ld [$ivec + 4], %f3
|
|---|
| 473 |
|
|---|
| 474 | and $inp, 7, $ileft
|
|---|
| 475 | andn $inp, 7, $inp
|
|---|
| 476 | sll $ileft, 3, $ileft
|
|---|
| 477 | mov 0xff, $omask
|
|---|
| 478 | prefetch [$inp], 20
|
|---|
| 479 | prefetch [$inp + 63], 20
|
|---|
| 480 | sub %g0, $ileft, $iright
|
|---|
| 481 | and $out, 7, %g4
|
|---|
| 482 | alignaddrl $out, %g0, $out
|
|---|
| 483 | srl $omask, %g4, $omask
|
|---|
| 484 | srlx $len, 3, $len
|
|---|
| 485 | movrz %g4, 0, $omask
|
|---|
| 486 | prefetch [$out], 22
|
|---|
| 487 |
|
|---|
| 488 | ldd [$key + 0x100+0x78], %f4 ! load key schedule
|
|---|
| 489 | ldd [$key + 0x100+0x70], %f6
|
|---|
| 490 | ldd [$key + 0x100+0x68], %f8
|
|---|
| 491 | ldd [$key + 0x100+0x60], %f10
|
|---|
| 492 | ldd [$key + 0x100+0x58], %f12
|
|---|
| 493 | ldd [$key + 0x100+0x50], %f14
|
|---|
| 494 | ldd [$key + 0x100+0x48], %f16
|
|---|
| 495 | ldd [$key + 0x100+0x40], %f18
|
|---|
| 496 | ldd [$key + 0x100+0x38], %f20
|
|---|
| 497 | ldd [$key + 0x100+0x30], %f22
|
|---|
| 498 | ldd [$key + 0x100+0x28], %f24
|
|---|
| 499 | ldd [$key + 0x100+0x20], %f26
|
|---|
| 500 | ldd [$key + 0x100+0x18], %f28
|
|---|
| 501 | ldd [$key + 0x100+0x10], %f30
|
|---|
| 502 | ldd [$key + 0x100+0x08], %f32
|
|---|
| 503 | ldd [$key + 0x100+0x00], %f34
|
|---|
| 504 |
|
|---|
| 505 | .Ldes_ede3_cbc_dec_loop:
|
|---|
| 506 | ldx [$inp + 0], %g4
|
|---|
| 507 | brz,pt $ileft, 4f
|
|---|
| 508 | nop
|
|---|
| 509 |
|
|---|
| 510 | ldx [$inp + 8], %g5
|
|---|
| 511 | sllx %g4, $ileft, %g4
|
|---|
| 512 | srlx %g5, $iright, %g5
|
|---|
| 513 | or %g5, %g4, %g4
|
|---|
| 514 | 4:
|
|---|
| 515 | movxtod %g4, %f0
|
|---|
| 516 | prefetch [$inp + 8+63], 20
|
|---|
| 517 | add $inp, 8, $inp
|
|---|
| 518 | prefetch [$out + 63], 22
|
|---|
| 519 |
|
|---|
| 520 | des_ip %f0, %f0
|
|---|
| 521 | des_round %f4, %f6, %f0, %f0
|
|---|
| 522 | des_round %f8, %f10, %f0, %f0
|
|---|
| 523 | des_round %f12, %f14, %f0, %f0
|
|---|
| 524 | des_round %f16, %f18, %f0, %f0
|
|---|
| 525 | ldd [$key + 0x80+0x00], %f36
|
|---|
| 526 | ldd [$key + 0x80+0x08], %f38
|
|---|
| 527 | des_round %f20, %f22, %f0, %f0
|
|---|
| 528 | ldd [$key + 0x80+0x10], %f40
|
|---|
| 529 | ldd [$key + 0x80+0x18], %f42
|
|---|
| 530 | des_round %f24, %f26, %f0, %f0
|
|---|
| 531 | ldd [$key + 0x80+0x20], %f44
|
|---|
| 532 | ldd [$key + 0x80+0x28], %f46
|
|---|
| 533 | des_round %f28, %f30, %f0, %f0
|
|---|
| 534 | ldd [$key + 0x80+0x30], %f48
|
|---|
| 535 | ldd [$key + 0x80+0x38], %f50
|
|---|
| 536 | des_round %f32, %f34, %f0, %f0
|
|---|
| 537 | ldd [$key + 0x80+0x40], %f52
|
|---|
| 538 | ldd [$key + 0x80+0x48], %f54
|
|---|
| 539 | des_iip %f0, %f0
|
|---|
| 540 |
|
|---|
| 541 | ldd [$key + 0x80+0x50], %f56
|
|---|
| 542 | ldd [$key + 0x80+0x58], %f58
|
|---|
| 543 | des_ip %f0, %f0
|
|---|
| 544 | ldd [$key + 0x80+0x60], %f60
|
|---|
| 545 | ldd [$key + 0x80+0x68], %f62
|
|---|
| 546 | des_round %f36, %f38, %f0, %f0
|
|---|
| 547 | ldd [$key + 0x80+0x70], %f36
|
|---|
| 548 | ldd [$key + 0x80+0x78], %f38
|
|---|
| 549 | des_round %f40, %f42, %f0, %f0
|
|---|
| 550 | des_round %f44, %f46, %f0, %f0
|
|---|
| 551 | des_round %f48, %f50, %f0, %f0
|
|---|
| 552 | ldd [$key + 0x80-0x08], %f40
|
|---|
| 553 | ldd [$key + 0x80-0x10], %f42
|
|---|
| 554 | des_round %f52, %f54, %f0, %f0
|
|---|
| 555 | ldd [$key + 0x80-0x18], %f44
|
|---|
| 556 | ldd [$key + 0x80-0x20], %f46
|
|---|
| 557 | des_round %f56, %f58, %f0, %f0
|
|---|
| 558 | ldd [$key + 0x80-0x28], %f48
|
|---|
| 559 | ldd [$key + 0x80-0x30], %f50
|
|---|
| 560 | des_round %f60, %f62, %f0, %f0
|
|---|
| 561 | ldd [$key + 0x80-0x38], %f52
|
|---|
| 562 | ldd [$key + 0x80-0x40], %f54
|
|---|
| 563 | des_round %f36, %f38, %f0, %f0
|
|---|
| 564 | ldd [$key + 0x80-0x48], %f56
|
|---|
| 565 | ldd [$key + 0x80-0x50], %f58
|
|---|
| 566 | des_iip %f0, %f0
|
|---|
| 567 |
|
|---|
| 568 | ldd [$key + 0x80-0x58], %f60
|
|---|
| 569 | ldd [$key + 0x80-0x60], %f62
|
|---|
| 570 | des_ip %f0, %f0
|
|---|
| 571 | ldd [$key + 0x80-0x68], %f36
|
|---|
| 572 | ldd [$key + 0x80-0x70], %f38
|
|---|
| 573 | des_round %f40, %f42, %f0, %f0
|
|---|
| 574 | ldd [$key + 0x80-0x78], %f40
|
|---|
| 575 | ldd [$key + 0x80-0x80], %f42
|
|---|
| 576 | des_round %f44, %f46, %f0, %f0
|
|---|
| 577 | des_round %f48, %f50, %f0, %f0
|
|---|
| 578 | des_round %f52, %f54, %f0, %f0
|
|---|
| 579 | des_round %f56, %f58, %f0, %f0
|
|---|
| 580 | des_round %f60, %f62, %f0, %f0
|
|---|
| 581 | des_round %f36, %f38, %f0, %f0
|
|---|
| 582 | des_round %f40, %f42, %f0, %f0
|
|---|
| 583 | des_iip %f0, %f0
|
|---|
| 584 |
|
|---|
| 585 | fxor %f2, %f0, %f0 ! ^= ivec
|
|---|
| 586 | movxtod %g4, %f2
|
|---|
| 587 |
|
|---|
| 588 | brnz,pn $omask, 2f
|
|---|
| 589 | sub $len, 1, $len
|
|---|
| 590 |
|
|---|
| 591 | std %f0, [$out + 0]
|
|---|
| 592 | brnz,pt $len, .Ldes_ede3_cbc_dec_loop
|
|---|
| 593 | add $out, 8, $out
|
|---|
| 594 |
|
|---|
| 595 | st %f2, [$ivec + 0] ! write out ivec
|
|---|
| 596 | retl
|
|---|
| 597 | st %f3, [$ivec + 4]
|
|---|
| 598 |
|
|---|
| 599 | .align 16
|
|---|
| 600 | 2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
|
|---|
| 601 | ! and ~3x deterioration
|
|---|
| 602 | ! in inp==out case
|
|---|
| 603 | faligndata %f0, %f0, %f0 ! handle unaligned output
|
|---|
| 604 |
|
|---|
| 605 | stda %f0, [$out + $omask]0xc0 ! partial store
|
|---|
| 606 | add $out, 8, $out
|
|---|
| 607 | orn %g0, $omask, $omask
|
|---|
| 608 | stda %f0, [$out + $omask]0xc0 ! partial store
|
|---|
| 609 |
|
|---|
| 610 | brnz,pt $len, .Ldes_ede3_cbc_dec_loop+4
|
|---|
| 611 | orn %g0, $omask, $omask
|
|---|
| 612 |
|
|---|
| 613 | st %f2, [$ivec + 0] ! write out ivec
|
|---|
| 614 | retl
|
|---|
| 615 | st %f3, [$ivec + 4]
|
|---|
| 616 | .type des_t4_ede3_cbc_decrypt,#function
|
|---|
| 617 | .size des_t4_ede3_cbc_decrypt,.-des_t4_ede3_cbc_decrypt
|
|---|
| 618 | ___
|
|---|
| 619 | }
|
|---|
| 620 | $code.=<<___;
|
|---|
| 621 | .asciz "DES for SPARC T4, David S. Miller, Andy Polyakov"
|
|---|
| 622 | .align 4
|
|---|
| 623 | ___
|
|---|
| 624 |
|
|---|
| 625 | &emit_assembler();
|
|---|
| 626 |
|
|---|
| 627 | close STDOUT or die "error closing STDOUT: $!";
|
|---|
