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Diffstat (limited to 'ANDROID_3.4.5/arch/x86/crypto/twofish-x86_64-asm_64-3way.S')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/crypto/twofish-x86_64-asm_64-3way.S | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/ANDROID_3.4.5/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/ANDROID_3.4.5/arch/x86/crypto/twofish-x86_64-asm_64-3way.S deleted file mode 100644 index 5b012a2c..00000000 --- a/ANDROID_3.4.5/arch/x86/crypto/twofish-x86_64-asm_64-3way.S +++ /dev/null @@ -1,316 +0,0 @@ -/* - * Twofish Cipher 3-way parallel algorithm (x86_64) - * - * Copyright (C) 2011 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - * - */ - -.file "twofish-x86_64-asm-3way.S" -.text - -/* structure of crypto context */ -#define s0 0 -#define s1 1024 -#define s2 2048 -#define s3 3072 -#define w 4096 -#define k 4128 - -/********************************************************************** - 3-way twofish - **********************************************************************/ -#define CTX %rdi -#define RIO %rdx - -#define RAB0 %rax -#define RAB1 %rbx -#define RAB2 %rcx - -#define RAB0d %eax -#define RAB1d %ebx -#define RAB2d %ecx - -#define RAB0bh %ah -#define RAB1bh %bh -#define RAB2bh %ch - -#define RAB0bl %al -#define RAB1bl %bl -#define RAB2bl %cl - -#define RCD0 %r8 -#define RCD1 %r9 -#define RCD2 %r10 - -#define RCD0d %r8d -#define RCD1d %r9d -#define RCD2d %r10d - -#define RX0 %rbp -#define RX1 %r11 -#define RX2 %r12 - -#define RX0d %ebp -#define RX1d %r11d -#define RX2d %r12d - -#define RY0 %r13 -#define RY1 %r14 -#define RY2 %r15 - -#define RY0d %r13d -#define RY1d %r14d -#define RY2d %r15d - -#define RT0 %rdx -#define RT1 %rsi - -#define RT0d %edx -#define RT1d %esi - -#define do16bit_ror(rot, op1, op2, T0, T1, tmp1, tmp2, ab, dst) \ - movzbl ab ## bl, tmp2 ## d; \ - movzbl ab ## bh, tmp1 ## d; \ - rorq $(rot), ab; \ - op1##l T0(CTX, tmp2, 4), dst ## d; \ - op2##l T1(CTX, tmp1, 4), dst ## d; - -/* - * Combined G1 & G2 function. Reordered with help of rotates to have moves - * at begining. - */ -#define g1g2_3(ab, cd, Tx0, Tx1, Tx2, Tx3, Ty0, Ty1, Ty2, Ty3, x, y) \ - /* G1,1 && G2,1 */ \ - do16bit_ror(32, mov, xor, Tx0, Tx1, RT0, x ## 0, ab ## 0, x ## 0); \ - do16bit_ror(48, mov, xor, Ty1, Ty2, RT0, y ## 0, ab ## 0, y ## 0); \ - \ - do16bit_ror(32, mov, xor, Tx0, Tx1, RT0, x ## 1, ab ## 1, x ## 1); \ - do16bit_ror(48, mov, xor, Ty1, Ty2, RT0, y ## 1, ab ## 1, y ## 1); \ - \ - do16bit_ror(32, mov, xor, Tx0, Tx1, RT0, x ## 2, ab ## 2, x ## 2); \ - do16bit_ror(48, mov, xor, Ty1, Ty2, RT0, y ## 2, ab ## 2, y ## 2); \ - \ - /* G1,2 && G2,2 */ \ - do16bit_ror(32, xor, xor, Tx2, Tx3, RT0, RT1, ab ## 0, x ## 0); \ - do16bit_ror(16, xor, xor, Ty3, Ty0, RT0, RT1, ab ## 0, y ## 0); \ - xchgq cd ## 0, ab ## 0; \ - \ - do16bit_ror(32, xor, xor, Tx2, Tx3, RT0, RT1, ab ## 1, x ## 1); \ - do16bit_ror(16, xor, xor, Ty3, Ty0, RT0, RT1, ab ## 1, y ## 1); \ - xchgq cd ## 1, ab ## 1; \ - \ - do16bit_ror(32, xor, xor, Tx2, Tx3, RT0, RT1, ab ## 2, x ## 2); \ - do16bit_ror(16, xor, xor, Ty3, Ty0, RT0, RT1, ab ## 2, y ## 2); \ - xchgq cd ## 2, ab ## 2; - -#define enc_round_end(ab, x, y, n) \ - addl y ## d, x ## d; \ - addl x ## d, y ## d; \ - addl k+4*(2*(n))(CTX), x ## d; \ - xorl ab ## d, x ## d; \ - addl k+4*(2*(n)+1)(CTX), y ## d; \ - shrq $32, ab; \ - roll $1, ab ## d; \ - xorl y ## d, ab ## d; \ - shlq $32, ab; \ - rorl $1, x ## d; \ - orq x, ab; - -#define dec_round_end(ba, x, y, n) \ - addl y ## d, x ## d; \ - addl x ## d, y ## d; \ - addl k+4*(2*(n))(CTX), x ## d; \ - addl k+4*(2*(n)+1)(CTX), y ## d; \ - xorl ba ## d, y ## d; \ - shrq $32, ba; \ - roll $1, ba ## d; \ - xorl x ## d, ba ## d; \ - shlq $32, ba; \ - rorl $1, y ## d; \ - orq y, ba; - -#define encrypt_round3(ab, cd, n) \ - g1g2_3(ab, cd, s0, s1, s2, s3, s0, s1, s2, s3, RX, RY); \ - \ - enc_round_end(ab ## 0, RX0, RY0, n); \ - enc_round_end(ab ## 1, RX1, RY1, n); \ - enc_round_end(ab ## 2, RX2, RY2, n); - -#define decrypt_round3(ba, dc, n) \ - g1g2_3(ba, dc, s1, s2, s3, s0, s3, s0, s1, s2, RY, RX); \ - \ - dec_round_end(ba ## 0, RX0, RY0, n); \ - dec_round_end(ba ## 1, RX1, RY1, n); \ - dec_round_end(ba ## 2, RX2, RY2, n); - -#define encrypt_cycle3(ab, cd, n) \ - encrypt_round3(ab, cd, n*2); \ - encrypt_round3(ab, cd, (n*2)+1); - -#define decrypt_cycle3(ba, dc, n) \ - decrypt_round3(ba, dc, (n*2)+1); \ - decrypt_round3(ba, dc, (n*2)); - -#define inpack3(in, n, xy, m) \ - movq 4*(n)(in), xy ## 0; \ - xorq w+4*m(CTX), xy ## 0; \ - \ - movq 4*(4+(n))(in), xy ## 1; \ - xorq w+4*m(CTX), xy ## 1; \ - \ - movq 4*(8+(n))(in), xy ## 2; \ - xorq w+4*m(CTX), xy ## 2; - -#define outunpack3(op, out, n, xy, m) \ - xorq w+4*m(CTX), xy ## 0; \ - op ## q xy ## 0, 4*(n)(out); \ - \ - xorq w+4*m(CTX), xy ## 1; \ - op ## q xy ## 1, 4*(4+(n))(out); \ - \ - xorq w+4*m(CTX), xy ## 2; \ - op ## q xy ## 2, 4*(8+(n))(out); - -#define inpack_enc3() \ - inpack3(RIO, 0, RAB, 0); \ - inpack3(RIO, 2, RCD, 2); - -#define outunpack_enc3(op) \ - outunpack3(op, RIO, 2, RAB, 6); \ - outunpack3(op, RIO, 0, RCD, 4); - -#define inpack_dec3() \ - inpack3(RIO, 0, RAB, 4); \ - rorq $32, RAB0; \ - rorq $32, RAB1; \ - rorq $32, RAB2; \ - inpack3(RIO, 2, RCD, 6); \ - rorq $32, RCD0; \ - rorq $32, RCD1; \ - rorq $32, RCD2; - -#define outunpack_dec3() \ - rorq $32, RCD0; \ - rorq $32, RCD1; \ - rorq $32, RCD2; \ - outunpack3(mov, RIO, 0, RCD, 0); \ - rorq $32, RAB0; \ - rorq $32, RAB1; \ - rorq $32, RAB2; \ - outunpack3(mov, RIO, 2, RAB, 2); - -.align 8 -.global __twofish_enc_blk_3way -.type __twofish_enc_blk_3way,@function; - -__twofish_enc_blk_3way: - /* input: - * %rdi: ctx, CTX - * %rsi: dst - * %rdx: src, RIO - * %rcx: bool, if true: xor output - */ - pushq %r15; - pushq %r14; - pushq %r13; - pushq %r12; - pushq %rbp; - pushq %rbx; - - pushq %rcx; /* bool xor */ - pushq %rsi; /* dst */ - - inpack_enc3(); - - encrypt_cycle3(RAB, RCD, 0); - encrypt_cycle3(RAB, RCD, 1); - encrypt_cycle3(RAB, RCD, 2); - encrypt_cycle3(RAB, RCD, 3); - encrypt_cycle3(RAB, RCD, 4); - encrypt_cycle3(RAB, RCD, 5); - encrypt_cycle3(RAB, RCD, 6); - encrypt_cycle3(RAB, RCD, 7); - - popq RIO; /* dst */ - popq %rbp; /* bool xor */ - - testb %bpl, %bpl; - jnz __enc_xor3; - - outunpack_enc3(mov); - - popq %rbx; - popq %rbp; - popq %r12; - popq %r13; - popq %r14; - popq %r15; - ret; - -__enc_xor3: - outunpack_enc3(xor); - - popq %rbx; - popq %rbp; - popq %r12; - popq %r13; - popq %r14; - popq %r15; - ret; - -.global twofish_dec_blk_3way -.type twofish_dec_blk_3way,@function; - -twofish_dec_blk_3way: - /* input: - * %rdi: ctx, CTX - * %rsi: dst - * %rdx: src, RIO - */ - pushq %r15; - pushq %r14; - pushq %r13; - pushq %r12; - pushq %rbp; - pushq %rbx; - - pushq %rsi; /* dst */ - - inpack_dec3(); - - decrypt_cycle3(RAB, RCD, 7); - decrypt_cycle3(RAB, RCD, 6); - decrypt_cycle3(RAB, RCD, 5); - decrypt_cycle3(RAB, RCD, 4); - decrypt_cycle3(RAB, RCD, 3); - decrypt_cycle3(RAB, RCD, 2); - decrypt_cycle3(RAB, RCD, 1); - decrypt_cycle3(RAB, RCD, 0); - - popq RIO; /* dst */ - - outunpack_dec3(); - - popq %rbx; - popq %rbp; - popq %r12; - popq %r13; - popq %r14; - popq %r15; - ret; - |