Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Cast6 Cipher 8-way parallel algorithm (AVX/x86_64) |
| 3 | * |
| 4 | * Copyright (C) 2012 Johannes Goetzfried |
| 5 | * <Johannes.Goetzfried@informatik.stud.uni-erlangen.de> |
| 6 | * |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 7 | * Copyright © 2012 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> |
| 8 | * |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 22 | * USA |
| 23 | * |
| 24 | */ |
| 25 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 26 | #include "glue_helper-asm-avx.S" |
| 27 | |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 28 | .file "cast6-avx-x86_64-asm_64.S" |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 29 | |
| 30 | .extern cast6_s1 |
| 31 | .extern cast6_s2 |
| 32 | .extern cast6_s3 |
| 33 | .extern cast6_s4 |
| 34 | |
| 35 | /* structure of crypto context */ |
| 36 | #define km 0 |
| 37 | #define kr (12*4*4) |
| 38 | |
| 39 | /* s-boxes */ |
| 40 | #define s1 cast6_s1 |
| 41 | #define s2 cast6_s2 |
| 42 | #define s3 cast6_s3 |
| 43 | #define s4 cast6_s4 |
| 44 | |
| 45 | /********************************************************************** |
| 46 | 8-way AVX cast6 |
| 47 | **********************************************************************/ |
| 48 | #define CTX %rdi |
| 49 | |
| 50 | #define RA1 %xmm0 |
| 51 | #define RB1 %xmm1 |
| 52 | #define RC1 %xmm2 |
| 53 | #define RD1 %xmm3 |
| 54 | |
| 55 | #define RA2 %xmm4 |
| 56 | #define RB2 %xmm5 |
| 57 | #define RC2 %xmm6 |
| 58 | #define RD2 %xmm7 |
| 59 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 60 | #define RX %xmm8 |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 61 | |
| 62 | #define RKM %xmm9 |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 63 | #define RKR %xmm10 |
| 64 | #define RKRF %xmm11 |
| 65 | #define RKRR %xmm12 |
| 66 | #define R32 %xmm13 |
| 67 | #define R1ST %xmm14 |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 68 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 69 | #define RTMP %xmm15 |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 70 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 71 | #define RID1 %rbp |
| 72 | #define RID1d %ebp |
| 73 | #define RID2 %rsi |
| 74 | #define RID2d %esi |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 75 | |
| 76 | #define RGI1 %rdx |
| 77 | #define RGI1bl %dl |
| 78 | #define RGI1bh %dh |
| 79 | #define RGI2 %rcx |
| 80 | #define RGI2bl %cl |
| 81 | #define RGI2bh %ch |
| 82 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 83 | #define RGI3 %rax |
| 84 | #define RGI3bl %al |
| 85 | #define RGI3bh %ah |
| 86 | #define RGI4 %rbx |
| 87 | #define RGI4bl %bl |
| 88 | #define RGI4bh %bh |
| 89 | |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 90 | #define RFS1 %r8 |
| 91 | #define RFS1d %r8d |
| 92 | #define RFS2 %r9 |
| 93 | #define RFS2d %r9d |
| 94 | #define RFS3 %r10 |
| 95 | #define RFS3d %r10d |
| 96 | |
| 97 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 98 | #define lookup_32bit(src, dst, op1, op2, op3, interleave_op, il_reg) \ |
| 99 | movzbl src ## bh, RID1d; \ |
| 100 | movzbl src ## bl, RID2d; \ |
| 101 | shrq $16, src; \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 102 | movl s1(, RID1, 4), dst ## d; \ |
| 103 | op1 s2(, RID2, 4), dst ## d; \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 104 | movzbl src ## bh, RID1d; \ |
| 105 | movzbl src ## bl, RID2d; \ |
| 106 | interleave_op(il_reg); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 107 | op2 s3(, RID1, 4), dst ## d; \ |
| 108 | op3 s4(, RID2, 4), dst ## d; |
| 109 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 110 | #define dummy(d) /* do nothing */ |
| 111 | |
| 112 | #define shr_next(reg) \ |
| 113 | shrq $16, reg; |
| 114 | |
| 115 | #define F_head(a, x, gi1, gi2, op0) \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 116 | op0 a, RKM, x; \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 117 | vpslld RKRF, x, RTMP; \ |
| 118 | vpsrld RKRR, x, x; \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 119 | vpor RTMP, x, x; \ |
| 120 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 121 | vmovq x, gi1; \ |
| 122 | vpextrq $1, x, gi2; |
| 123 | |
| 124 | #define F_tail(a, x, gi1, gi2, op1, op2, op3) \ |
| 125 | lookup_32bit(##gi1, RFS1, op1, op2, op3, shr_next, ##gi1); \ |
| 126 | lookup_32bit(##gi2, RFS3, op1, op2, op3, shr_next, ##gi2); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 127 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 128 | lookup_32bit(##gi1, RFS2, op1, op2, op3, dummy, none); \ |
| 129 | shlq $32, RFS2; \ |
| 130 | orq RFS1, RFS2; \ |
| 131 | lookup_32bit(##gi2, RFS1, op1, op2, op3, dummy, none); \ |
| 132 | shlq $32, RFS1; \ |
| 133 | orq RFS1, RFS3; \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 134 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 135 | vmovq RFS2, x; \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 136 | vpinsrq $1, RFS3, x, x; |
| 137 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 138 | #define F_2(a1, b1, a2, b2, op0, op1, op2, op3) \ |
| 139 | F_head(b1, RX, RGI1, RGI2, op0); \ |
| 140 | F_head(b2, RX, RGI3, RGI4, op0); \ |
| 141 | \ |
| 142 | F_tail(b1, RX, RGI1, RGI2, op1, op2, op3); \ |
| 143 | F_tail(b2, RTMP, RGI3, RGI4, op1, op2, op3); \ |
| 144 | \ |
| 145 | vpxor a1, RX, a1; \ |
| 146 | vpxor a2, RTMP, a2; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 147 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 148 | #define F1_2(a1, b1, a2, b2) \ |
| 149 | F_2(a1, b1, a2, b2, vpaddd, xorl, subl, addl) |
| 150 | #define F2_2(a1, b1, a2, b2) \ |
| 151 | F_2(a1, b1, a2, b2, vpxor, subl, addl, xorl) |
| 152 | #define F3_2(a1, b1, a2, b2) \ |
| 153 | F_2(a1, b1, a2, b2, vpsubd, addl, xorl, subl) |
| 154 | |
| 155 | #define qop(in, out, f) \ |
| 156 | F ## f ## _2(out ## 1, in ## 1, out ## 2, in ## 2); |
| 157 | |
| 158 | #define get_round_keys(nn) \ |
| 159 | vbroadcastss (km+(4*(nn)))(CTX), RKM; \ |
| 160 | vpand R1ST, RKR, RKRF; \ |
| 161 | vpsubq RKRF, R32, RKRR; \ |
| 162 | vpsrldq $1, RKR, RKR; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 163 | |
| 164 | #define Q(n) \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 165 | get_round_keys(4*n+0); \ |
| 166 | qop(RD, RC, 1); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 167 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 168 | get_round_keys(4*n+1); \ |
| 169 | qop(RC, RB, 2); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 170 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 171 | get_round_keys(4*n+2); \ |
| 172 | qop(RB, RA, 3); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 173 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 174 | get_round_keys(4*n+3); \ |
| 175 | qop(RA, RD, 1); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 176 | |
| 177 | #define QBAR(n) \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 178 | get_round_keys(4*n+3); \ |
| 179 | qop(RA, RD, 1); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 180 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 181 | get_round_keys(4*n+2); \ |
| 182 | qop(RB, RA, 3); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 183 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 184 | get_round_keys(4*n+1); \ |
| 185 | qop(RC, RB, 2); \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 186 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 187 | get_round_keys(4*n+0); \ |
| 188 | qop(RD, RC, 1); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 189 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 190 | #define shuffle(mask) \ |
| 191 | vpshufb mask, RKR, RKR; |
| 192 | |
| 193 | #define preload_rkr(n, do_mask, mask) \ |
| 194 | vbroadcastss .L16_mask, RKR; \ |
| 195 | /* add 16-bit rotation to key rotations (mod 32) */ \ |
| 196 | vpxor (kr+n*16)(CTX), RKR, RKR; \ |
| 197 | do_mask(mask); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 198 | |
| 199 | #define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \ |
| 200 | vpunpckldq x1, x0, t0; \ |
| 201 | vpunpckhdq x1, x0, t2; \ |
| 202 | vpunpckldq x3, x2, t1; \ |
| 203 | vpunpckhdq x3, x2, x3; \ |
| 204 | \ |
| 205 | vpunpcklqdq t1, t0, x0; \ |
| 206 | vpunpckhqdq t1, t0, x1; \ |
| 207 | vpunpcklqdq x3, t2, x2; \ |
| 208 | vpunpckhqdq x3, t2, x3; |
| 209 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 210 | #define inpack_blocks(x0, x1, x2, x3, t0, t1, t2, rmask) \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 211 | vpshufb rmask, x0, x0; \ |
| 212 | vpshufb rmask, x1, x1; \ |
| 213 | vpshufb rmask, x2, x2; \ |
| 214 | vpshufb rmask, x3, x3; \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 215 | \ |
| 216 | transpose_4x4(x0, x1, x2, x3, t0, t1, t2) |
| 217 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 218 | #define outunpack_blocks(x0, x1, x2, x3, t0, t1, t2, rmask) \ |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 219 | transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \ |
| 220 | \ |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 221 | vpshufb rmask, x0, x0; \ |
| 222 | vpshufb rmask, x1, x1; \ |
| 223 | vpshufb rmask, x2, x2; \ |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 224 | vpshufb rmask, x3, x3; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 225 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 226 | .data |
| 227 | |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 228 | .align 16 |
| 229 | .Lbswap_mask: |
| 230 | .byte 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 231 | .Lbswap128_mask: |
| 232 | .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 233 | .Lrkr_enc_Q_Q_QBAR_QBAR: |
| 234 | .byte 0, 1, 2, 3, 4, 5, 6, 7, 11, 10, 9, 8, 15, 14, 13, 12 |
| 235 | .Lrkr_enc_QBAR_QBAR_QBAR_QBAR: |
| 236 | .byte 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 |
| 237 | .Lrkr_dec_Q_Q_Q_Q: |
| 238 | .byte 12, 13, 14, 15, 8, 9, 10, 11, 4, 5, 6, 7, 0, 1, 2, 3 |
| 239 | .Lrkr_dec_Q_Q_QBAR_QBAR: |
| 240 | .byte 12, 13, 14, 15, 8, 9, 10, 11, 7, 6, 5, 4, 3, 2, 1, 0 |
| 241 | .Lrkr_dec_QBAR_QBAR_QBAR_QBAR: |
| 242 | .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 |
| 243 | .L16_mask: |
| 244 | .byte 16, 16, 16, 16 |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 245 | .L32_mask: |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 246 | .byte 32, 0, 0, 0 |
| 247 | .Lfirst_mask: |
| 248 | .byte 0x1f, 0, 0, 0 |
| 249 | |
| 250 | .text |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 251 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 252 | .align 8 |
| 253 | .type __cast6_enc_blk8,@function; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 254 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 255 | __cast6_enc_blk8: |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 256 | /* input: |
| 257 | * %rdi: ctx, CTX |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 258 | * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: blocks |
| 259 | * output: |
| 260 | * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: encrypted blocks |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 261 | */ |
| 262 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 263 | pushq %rbp; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 264 | pushq %rbx; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 265 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 266 | vmovdqa .Lbswap_mask, RKM; |
| 267 | vmovd .Lfirst_mask, R1ST; |
| 268 | vmovd .L32_mask, R32; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 269 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 270 | inpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); |
| 271 | inpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 272 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 273 | preload_rkr(0, dummy, none); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 274 | Q(0); |
| 275 | Q(1); |
| 276 | Q(2); |
| 277 | Q(3); |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 278 | preload_rkr(1, shuffle, .Lrkr_enc_Q_Q_QBAR_QBAR); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 279 | Q(4); |
| 280 | Q(5); |
| 281 | QBAR(6); |
| 282 | QBAR(7); |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 283 | preload_rkr(2, shuffle, .Lrkr_enc_QBAR_QBAR_QBAR_QBAR); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 284 | QBAR(8); |
| 285 | QBAR(9); |
| 286 | QBAR(10); |
| 287 | QBAR(11); |
| 288 | |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 289 | popq %rbx; |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 290 | popq %rbp; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 291 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 292 | vmovdqa .Lbswap_mask, RKM; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 293 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 294 | outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); |
| 295 | outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 296 | |
| 297 | ret; |
| 298 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 299 | .align 8 |
| 300 | .type __cast6_dec_blk8,@function; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 301 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 302 | __cast6_dec_blk8: |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 303 | /* input: |
| 304 | * %rdi: ctx, CTX |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 305 | * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: encrypted blocks |
| 306 | * output: |
| 307 | * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: decrypted blocks |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 308 | */ |
| 309 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 310 | pushq %rbp; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 311 | pushq %rbx; |
| 312 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 313 | vmovdqa .Lbswap_mask, RKM; |
| 314 | vmovd .Lfirst_mask, R1ST; |
| 315 | vmovd .L32_mask, R32; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 316 | |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 317 | inpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); |
| 318 | inpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 319 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 320 | preload_rkr(2, shuffle, .Lrkr_dec_Q_Q_Q_Q); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 321 | Q(11); |
| 322 | Q(10); |
| 323 | Q(9); |
| 324 | Q(8); |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 325 | preload_rkr(1, shuffle, .Lrkr_dec_Q_Q_QBAR_QBAR); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 326 | Q(7); |
| 327 | Q(6); |
| 328 | QBAR(5); |
| 329 | QBAR(4); |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 330 | preload_rkr(0, shuffle, .Lrkr_dec_QBAR_QBAR_QBAR_QBAR); |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 331 | QBAR(3); |
| 332 | QBAR(2); |
| 333 | QBAR(1); |
| 334 | QBAR(0); |
| 335 | |
| 336 | popq %rbx; |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 337 | popq %rbp; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 338 | |
Jussi Kivilinna | c09220e | 2012-08-28 14:24:54 +0300 | [diff] [blame] | 339 | vmovdqa .Lbswap_mask, RKM; |
Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame] | 340 | outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); |
| 341 | outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); |
| 342 | |
| 343 | ret; |
| 344 | |
| 345 | .align 8 |
| 346 | .global cast6_ecb_enc_8way |
| 347 | .type cast6_ecb_enc_8way,@function; |
| 348 | |
| 349 | cast6_ecb_enc_8way: |
| 350 | /* input: |
| 351 | * %rdi: ctx, CTX |
| 352 | * %rsi: dst |
| 353 | * %rdx: src |
| 354 | */ |
| 355 | |
| 356 | movq %rsi, %r11; |
| 357 | |
| 358 | load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 359 | |
| 360 | call __cast6_enc_blk8; |
| 361 | |
| 362 | store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 363 | |
| 364 | ret; |
| 365 | |
| 366 | .align 8 |
| 367 | .global cast6_ecb_dec_8way |
| 368 | .type cast6_ecb_dec_8way,@function; |
| 369 | |
| 370 | cast6_ecb_dec_8way: |
| 371 | /* input: |
| 372 | * %rdi: ctx, CTX |
| 373 | * %rsi: dst |
| 374 | * %rdx: src |
| 375 | */ |
| 376 | |
| 377 | movq %rsi, %r11; |
| 378 | |
| 379 | load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 380 | |
| 381 | call __cast6_dec_blk8; |
| 382 | |
| 383 | store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 384 | |
| 385 | ret; |
| 386 | |
| 387 | .align 8 |
| 388 | .global cast6_cbc_dec_8way |
| 389 | .type cast6_cbc_dec_8way,@function; |
| 390 | |
| 391 | cast6_cbc_dec_8way: |
| 392 | /* input: |
| 393 | * %rdi: ctx, CTX |
| 394 | * %rsi: dst |
| 395 | * %rdx: src |
| 396 | */ |
| 397 | |
| 398 | pushq %r12; |
| 399 | |
| 400 | movq %rsi, %r11; |
| 401 | movq %rdx, %r12; |
| 402 | |
| 403 | load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 404 | |
| 405 | call __cast6_dec_blk8; |
| 406 | |
| 407 | store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 408 | |
| 409 | popq %r12; |
| 410 | |
| 411 | ret; |
| 412 | |
| 413 | .align 8 |
| 414 | .global cast6_ctr_8way |
| 415 | .type cast6_ctr_8way,@function; |
| 416 | |
| 417 | cast6_ctr_8way: |
| 418 | /* input: |
| 419 | * %rdi: ctx, CTX |
| 420 | * %rsi: dst |
| 421 | * %rdx: src |
| 422 | * %rcx: iv (little endian, 128bit) |
| 423 | */ |
| 424 | |
| 425 | pushq %r12; |
| 426 | |
| 427 | movq %rsi, %r11; |
| 428 | movq %rdx, %r12; |
| 429 | |
| 430 | load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, |
| 431 | RD2, RX, RKR, RKM); |
| 432 | |
| 433 | call __cast6_enc_blk8; |
| 434 | |
| 435 | store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); |
| 436 | |
| 437 | popq %r12; |
Johannes Goetzfried | 4ea1277 | 2012-07-11 19:38:57 +0200 | [diff] [blame] | 438 | |
| 439 | ret; |