639 lines
20 KiB
ArmAsm
639 lines
20 KiB
ArmAsm
/* sha1-armv7-neon.S - ARM/NEON accelerated SHA-1 transform function
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*
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* Copyright © 2013-2014 Jussi Kivilinna <jussi.kivilinna@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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.syntax unified
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.fpu neon
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.text
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/* Context structure */
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#define state_h0 0
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#define state_h1 4
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#define state_h2 8
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#define state_h3 12
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#define state_h4 16
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/* Constants */
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#define K1 0x5A827999
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#define K2 0x6ED9EBA1
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#define K3 0x8F1BBCDC
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#define K4 0xCA62C1D6
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.align 4
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.LK_VEC:
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.LK1: .long K1, K1, K1, K1
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.LK2: .long K2, K2, K2, K2
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.LK3: .long K3, K3, K3, K3
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.LK4: .long K4, K4, K4, K4
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/* Register macros */
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#define RSTATE r0
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#define RDATA r1
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#define RNBLKS r2
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#define ROLDSTACK r3
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#define RWK lr
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#define _a r4
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#define _b r5
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#define _c r6
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#define _d r7
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#define _e r8
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#define RT0 r9
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#define RT1 r10
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#define RT2 r11
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#define RT3 r12
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#define W0 q0
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#define W1 q7
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#define W2 q2
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#define W3 q3
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#define W4 q4
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#define W5 q6
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#define W6 q5
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#define W7 q1
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#define tmp0 q8
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#define tmp1 q9
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#define tmp2 q10
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#define tmp3 q11
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#define qK1 q12
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#define qK2 q13
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#define qK3 q14
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#define qK4 q15
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#ifdef CONFIG_CPU_BIG_ENDIAN
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#define ARM_LE(code...)
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#else
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#define ARM_LE(code...) code
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#endif
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/* Round function macros. */
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#define WK_offs(i) (((i) & 15) * 4)
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#define _R_F1(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ldr RT3, [sp, WK_offs(i)]; \
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pre1(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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bic RT0, d, b; \
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add e, e, a, ror #(32 - 5); \
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and RT1, c, b; \
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pre2(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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add RT0, RT0, RT3; \
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add e, e, RT1; \
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ror b, #(32 - 30); \
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pre3(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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add e, e, RT0;
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#define _R_F2(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ldr RT3, [sp, WK_offs(i)]; \
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pre1(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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eor RT0, d, b; \
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add e, e, a, ror #(32 - 5); \
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eor RT0, RT0, c; \
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pre2(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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add e, e, RT3; \
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ror b, #(32 - 30); \
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pre3(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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add e, e, RT0; \
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#define _R_F3(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ldr RT3, [sp, WK_offs(i)]; \
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pre1(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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eor RT0, b, c; \
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and RT1, b, c; \
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add e, e, a, ror #(32 - 5); \
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pre2(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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and RT0, RT0, d; \
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add RT1, RT1, RT3; \
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add e, e, RT0; \
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ror b, #(32 - 30); \
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pre3(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
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add e, e, RT1;
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#define _R_F4(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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_R_F2(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28)
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#define _R(a,b,c,d,e,f,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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_R_##f(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28)
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#define R(a,b,c,d,e,f,i) \
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_R_##f(a,b,c,d,e,i,dummy,dummy,dummy,i16,\
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W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28)
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#define dummy(...)
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/* Input expansion macros. */
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/********* Precalc macros for rounds 0-15 *************************************/
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#define W_PRECALC_00_15() \
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add RWK, sp, #(WK_offs(0)); \
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\
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vld1.32 {W0, W7}, [RDATA]!; \
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ARM_LE(vrev32.8 W0, W0; ) /* big => little */ \
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vld1.32 {W6, W5}, [RDATA]!; \
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vadd.u32 tmp0, W0, curK; \
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ARM_LE(vrev32.8 W7, W7; ) /* big => little */ \
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ARM_LE(vrev32.8 W6, W6; ) /* big => little */ \
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vadd.u32 tmp1, W7, curK; \
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ARM_LE(vrev32.8 W5, W5; ) /* big => little */ \
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vadd.u32 tmp2, W6, curK; \
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vst1.32 {tmp0, tmp1}, [RWK]!; \
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vadd.u32 tmp3, W5, curK; \
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vst1.32 {tmp2, tmp3}, [RWK]; \
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#define WPRECALC_00_15_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vld1.32 {W0, W7}, [RDATA]!; \
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#define WPRECALC_00_15_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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add RWK, sp, #(WK_offs(0)); \
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#define WPRECALC_00_15_2(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ARM_LE(vrev32.8 W0, W0; ) /* big => little */ \
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#define WPRECALC_00_15_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vld1.32 {W6, W5}, [RDATA]!; \
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#define WPRECALC_00_15_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vadd.u32 tmp0, W0, curK; \
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#define WPRECALC_00_15_5(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ARM_LE(vrev32.8 W7, W7; ) /* big => little */ \
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#define WPRECALC_00_15_6(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ARM_LE(vrev32.8 W6, W6; ) /* big => little */ \
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#define WPRECALC_00_15_7(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vadd.u32 tmp1, W7, curK; \
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#define WPRECALC_00_15_8(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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ARM_LE(vrev32.8 W5, W5; ) /* big => little */ \
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#define WPRECALC_00_15_9(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vadd.u32 tmp2, W6, curK; \
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#define WPRECALC_00_15_10(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vst1.32 {tmp0, tmp1}, [RWK]!; \
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#define WPRECALC_00_15_11(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vadd.u32 tmp3, W5, curK; \
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#define WPRECALC_00_15_12(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vst1.32 {tmp2, tmp3}, [RWK]; \
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/********* Precalc macros for rounds 16-31 ************************************/
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#define WPRECALC_16_31_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor tmp0, tmp0; \
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vext.8 W, W_m16, W_m12, #8; \
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#define WPRECALC_16_31_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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add RWK, sp, #(WK_offs(i)); \
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vext.8 tmp0, W_m04, tmp0, #4; \
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#define WPRECALC_16_31_2(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor tmp0, tmp0, W_m16; \
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veor.32 W, W, W_m08; \
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#define WPRECALC_16_31_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor tmp1, tmp1; \
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veor W, W, tmp0; \
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#define WPRECALC_16_31_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vshl.u32 tmp0, W, #1; \
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#define WPRECALC_16_31_5(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vext.8 tmp1, tmp1, W, #(16-12); \
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vshr.u32 W, W, #31; \
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#define WPRECALC_16_31_6(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vorr tmp0, tmp0, W; \
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vshr.u32 W, tmp1, #30; \
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#define WPRECALC_16_31_7(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vshl.u32 tmp1, tmp1, #2; \
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#define WPRECALC_16_31_8(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor tmp0, tmp0, W; \
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#define WPRECALC_16_31_9(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor W, tmp0, tmp1; \
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#define WPRECALC_16_31_10(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vadd.u32 tmp0, W, curK; \
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#define WPRECALC_16_31_11(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vst1.32 {tmp0}, [RWK];
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/********* Precalc macros for rounds 32-79 ************************************/
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#define WPRECALC_32_79_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor W, W_m28; \
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#define WPRECALC_32_79_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vext.8 tmp0, W_m08, W_m04, #8; \
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#define WPRECALC_32_79_2(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor W, W_m16; \
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#define WPRECALC_32_79_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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veor W, tmp0; \
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#define WPRECALC_32_79_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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add RWK, sp, #(WK_offs(i&~3)); \
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#define WPRECALC_32_79_5(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vshl.u32 tmp1, W, #2; \
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#define WPRECALC_32_79_6(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vshr.u32 tmp0, W, #30; \
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#define WPRECALC_32_79_7(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vorr W, tmp0, tmp1; \
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#define WPRECALC_32_79_8(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vadd.u32 tmp0, W, curK; \
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#define WPRECALC_32_79_9(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
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vst1.32 {tmp0}, [RWK];
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/*
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* Transform nblks*64 bytes (nblks*16 32-bit words) at DATA.
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*
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* unsigned int
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* sha1_transform_neon (void *ctx, const unsigned char *data,
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* unsigned int nblks)
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*/
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.align 3
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ENTRY(sha1_transform_neon)
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/* input:
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* r0: ctx, CTX
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* r1: data (64*nblks bytes)
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* r2: nblks
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*/
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cmp RNBLKS, #0;
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beq .Ldo_nothing;
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push {r4-r12, lr};
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/*vpush {q4-q7};*/
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adr RT3, .LK_VEC;
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mov ROLDSTACK, sp;
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/* Align stack. */
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sub RT0, sp, #(16*4);
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and RT0, #(~(16-1));
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mov sp, RT0;
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vld1.32 {qK1-qK2}, [RT3]!; /* Load K1,K2 */
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/* Get the values of the chaining variables. */
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ldm RSTATE, {_a-_e};
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vld1.32 {qK3-qK4}, [RT3]; /* Load K3,K4 */
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#undef curK
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#define curK qK1
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/* Precalc 0-15. */
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W_PRECALC_00_15();
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.Loop:
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/* Transform 0-15 + Precalc 16-31. */
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_R( _a, _b, _c, _d, _e, F1, 0,
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WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 16,
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W4, W5, W6, W7, W0, _, _, _ );
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_R( _e, _a, _b, _c, _d, F1, 1,
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WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 16,
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W4, W5, W6, W7, W0, _, _, _ );
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_R( _d, _e, _a, _b, _c, F1, 2,
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WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 16,
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W4, W5, W6, W7, W0, _, _, _ );
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_R( _c, _d, _e, _a, _b, F1, 3,
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WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,16,
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W4, W5, W6, W7, W0, _, _, _ );
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#undef curK
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#define curK qK2
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_R( _b, _c, _d, _e, _a, F1, 4,
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WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 20,
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W3, W4, W5, W6, W7, _, _, _ );
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_R( _a, _b, _c, _d, _e, F1, 5,
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WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 20,
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W3, W4, W5, W6, W7, _, _, _ );
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_R( _e, _a, _b, _c, _d, F1, 6,
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WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 20,
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W3, W4, W5, W6, W7, _, _, _ );
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_R( _d, _e, _a, _b, _c, F1, 7,
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WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,20,
|
|
W3, W4, W5, W6, W7, _, _, _ );
|
|
|
|
_R( _c, _d, _e, _a, _b, F1, 8,
|
|
WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 24,
|
|
W2, W3, W4, W5, W6, _, _, _ );
|
|
_R( _b, _c, _d, _e, _a, F1, 9,
|
|
WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 24,
|
|
W2, W3, W4, W5, W6, _, _, _ );
|
|
_R( _a, _b, _c, _d, _e, F1, 10,
|
|
WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 24,
|
|
W2, W3, W4, W5, W6, _, _, _ );
|
|
_R( _e, _a, _b, _c, _d, F1, 11,
|
|
WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,24,
|
|
W2, W3, W4, W5, W6, _, _, _ );
|
|
|
|
_R( _d, _e, _a, _b, _c, F1, 12,
|
|
WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 28,
|
|
W1, W2, W3, W4, W5, _, _, _ );
|
|
_R( _c, _d, _e, _a, _b, F1, 13,
|
|
WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 28,
|
|
W1, W2, W3, W4, W5, _, _, _ );
|
|
_R( _b, _c, _d, _e, _a, F1, 14,
|
|
WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 28,
|
|
W1, W2, W3, W4, W5, _, _, _ );
|
|
_R( _a, _b, _c, _d, _e, F1, 15,
|
|
WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,28,
|
|
W1, W2, W3, W4, W5, _, _, _ );
|
|
|
|
/* Transform 16-63 + Precalc 32-79. */
|
|
_R( _e, _a, _b, _c, _d, F1, 16,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 32,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
_R( _d, _e, _a, _b, _c, F1, 17,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 32,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
_R( _c, _d, _e, _a, _b, F1, 18,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 32,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
_R( _b, _c, _d, _e, _a, F1, 19,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 32,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
|
|
_R( _a, _b, _c, _d, _e, F2, 20,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 36,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
_R( _e, _a, _b, _c, _d, F2, 21,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 36,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
_R( _d, _e, _a, _b, _c, F2, 22,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 36,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
_R( _c, _d, _e, _a, _b, F2, 23,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 36,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
|
|
#undef curK
|
|
#define curK qK3
|
|
_R( _b, _c, _d, _e, _a, F2, 24,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 40,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
_R( _a, _b, _c, _d, _e, F2, 25,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 40,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
_R( _e, _a, _b, _c, _d, F2, 26,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 40,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
_R( _d, _e, _a, _b, _c, F2, 27,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 40,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
|
|
_R( _c, _d, _e, _a, _b, F2, 28,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 44,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
_R( _b, _c, _d, _e, _a, F2, 29,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 44,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
_R( _a, _b, _c, _d, _e, F2, 30,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 44,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
_R( _e, _a, _b, _c, _d, F2, 31,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 44,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
|
|
_R( _d, _e, _a, _b, _c, F2, 32,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 48,
|
|
W4, W5, W6, W7, W0, W1, W2, W3);
|
|
_R( _c, _d, _e, _a, _b, F2, 33,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 48,
|
|
W4, W5, W6, W7, W0, W1, W2, W3);
|
|
_R( _b, _c, _d, _e, _a, F2, 34,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 48,
|
|
W4, W5, W6, W7, W0, W1, W2, W3);
|
|
_R( _a, _b, _c, _d, _e, F2, 35,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 48,
|
|
W4, W5, W6, W7, W0, W1, W2, W3);
|
|
|
|
_R( _e, _a, _b, _c, _d, F2, 36,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 52,
|
|
W3, W4, W5, W6, W7, W0, W1, W2);
|
|
_R( _d, _e, _a, _b, _c, F2, 37,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 52,
|
|
W3, W4, W5, W6, W7, W0, W1, W2);
|
|
_R( _c, _d, _e, _a, _b, F2, 38,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 52,
|
|
W3, W4, W5, W6, W7, W0, W1, W2);
|
|
_R( _b, _c, _d, _e, _a, F2, 39,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 52,
|
|
W3, W4, W5, W6, W7, W0, W1, W2);
|
|
|
|
_R( _a, _b, _c, _d, _e, F3, 40,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 56,
|
|
W2, W3, W4, W5, W6, W7, W0, W1);
|
|
_R( _e, _a, _b, _c, _d, F3, 41,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 56,
|
|
W2, W3, W4, W5, W6, W7, W0, W1);
|
|
_R( _d, _e, _a, _b, _c, F3, 42,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 56,
|
|
W2, W3, W4, W5, W6, W7, W0, W1);
|
|
_R( _c, _d, _e, _a, _b, F3, 43,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 56,
|
|
W2, W3, W4, W5, W6, W7, W0, W1);
|
|
|
|
#undef curK
|
|
#define curK qK4
|
|
_R( _b, _c, _d, _e, _a, F3, 44,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 60,
|
|
W1, W2, W3, W4, W5, W6, W7, W0);
|
|
_R( _a, _b, _c, _d, _e, F3, 45,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 60,
|
|
W1, W2, W3, W4, W5, W6, W7, W0);
|
|
_R( _e, _a, _b, _c, _d, F3, 46,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 60,
|
|
W1, W2, W3, W4, W5, W6, W7, W0);
|
|
_R( _d, _e, _a, _b, _c, F3, 47,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 60,
|
|
W1, W2, W3, W4, W5, W6, W7, W0);
|
|
|
|
_R( _c, _d, _e, _a, _b, F3, 48,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 64,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
_R( _b, _c, _d, _e, _a, F3, 49,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 64,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
_R( _a, _b, _c, _d, _e, F3, 50,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 64,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
_R( _e, _a, _b, _c, _d, F3, 51,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 64,
|
|
W0, W1, W2, W3, W4, W5, W6, W7);
|
|
|
|
_R( _d, _e, _a, _b, _c, F3, 52,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 68,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
_R( _c, _d, _e, _a, _b, F3, 53,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 68,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
_R( _b, _c, _d, _e, _a, F3, 54,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 68,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
_R( _a, _b, _c, _d, _e, F3, 55,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 68,
|
|
W7, W0, W1, W2, W3, W4, W5, W6);
|
|
|
|
_R( _e, _a, _b, _c, _d, F3, 56,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 72,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
_R( _d, _e, _a, _b, _c, F3, 57,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 72,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
_R( _c, _d, _e, _a, _b, F3, 58,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 72,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
_R( _b, _c, _d, _e, _a, F3, 59,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 72,
|
|
W6, W7, W0, W1, W2, W3, W4, W5);
|
|
|
|
subs RNBLKS, #1;
|
|
|
|
_R( _a, _b, _c, _d, _e, F4, 60,
|
|
WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 76,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
_R( _e, _a, _b, _c, _d, F4, 61,
|
|
WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 76,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
_R( _d, _e, _a, _b, _c, F4, 62,
|
|
WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 76,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
_R( _c, _d, _e, _a, _b, F4, 63,
|
|
WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 76,
|
|
W5, W6, W7, W0, W1, W2, W3, W4);
|
|
|
|
beq .Lend;
|
|
|
|
/* Transform 64-79 + Precalc 0-15 of next block. */
|
|
#undef curK
|
|
#define curK qK1
|
|
_R( _b, _c, _d, _e, _a, F4, 64,
|
|
WPRECALC_00_15_0, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _a, _b, _c, _d, _e, F4, 65,
|
|
WPRECALC_00_15_1, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _e, _a, _b, _c, _d, F4, 66,
|
|
WPRECALC_00_15_2, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _d, _e, _a, _b, _c, F4, 67,
|
|
WPRECALC_00_15_3, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
|
|
_R( _c, _d, _e, _a, _b, F4, 68,
|
|
dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _b, _c, _d, _e, _a, F4, 69,
|
|
dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _a, _b, _c, _d, _e, F4, 70,
|
|
WPRECALC_00_15_4, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _e, _a, _b, _c, _d, F4, 71,
|
|
WPRECALC_00_15_5, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
|
|
_R( _d, _e, _a, _b, _c, F4, 72,
|
|
dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _c, _d, _e, _a, _b, F4, 73,
|
|
dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _b, _c, _d, _e, _a, F4, 74,
|
|
WPRECALC_00_15_6, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _a, _b, _c, _d, _e, F4, 75,
|
|
WPRECALC_00_15_7, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
|
|
_R( _e, _a, _b, _c, _d, F4, 76,
|
|
WPRECALC_00_15_8, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _d, _e, _a, _b, _c, F4, 77,
|
|
WPRECALC_00_15_9, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _c, _d, _e, _a, _b, F4, 78,
|
|
WPRECALC_00_15_10, dummy, dummy, _, _, _, _, _, _, _, _, _ );
|
|
_R( _b, _c, _d, _e, _a, F4, 79,
|
|
WPRECALC_00_15_11, dummy, WPRECALC_00_15_12, _, _, _, _, _, _, _, _, _ );
|
|
|
|
/* Update the chaining variables. */
|
|
ldm RSTATE, {RT0-RT3};
|
|
add _a, RT0;
|
|
ldr RT0, [RSTATE, #state_h4];
|
|
add _b, RT1;
|
|
add _c, RT2;
|
|
add _d, RT3;
|
|
add _e, RT0;
|
|
stm RSTATE, {_a-_e};
|
|
|
|
b .Loop;
|
|
|
|
.Lend:
|
|
/* Transform 64-79 */
|
|
R( _b, _c, _d, _e, _a, F4, 64 );
|
|
R( _a, _b, _c, _d, _e, F4, 65 );
|
|
R( _e, _a, _b, _c, _d, F4, 66 );
|
|
R( _d, _e, _a, _b, _c, F4, 67 );
|
|
R( _c, _d, _e, _a, _b, F4, 68 );
|
|
R( _b, _c, _d, _e, _a, F4, 69 );
|
|
R( _a, _b, _c, _d, _e, F4, 70 );
|
|
R( _e, _a, _b, _c, _d, F4, 71 );
|
|
R( _d, _e, _a, _b, _c, F4, 72 );
|
|
R( _c, _d, _e, _a, _b, F4, 73 );
|
|
R( _b, _c, _d, _e, _a, F4, 74 );
|
|
R( _a, _b, _c, _d, _e, F4, 75 );
|
|
R( _e, _a, _b, _c, _d, F4, 76 );
|
|
R( _d, _e, _a, _b, _c, F4, 77 );
|
|
R( _c, _d, _e, _a, _b, F4, 78 );
|
|
R( _b, _c, _d, _e, _a, F4, 79 );
|
|
|
|
mov sp, ROLDSTACK;
|
|
|
|
/* Update the chaining variables. */
|
|
ldm RSTATE, {RT0-RT3};
|
|
add _a, RT0;
|
|
ldr RT0, [RSTATE, #state_h4];
|
|
add _b, RT1;
|
|
add _c, RT2;
|
|
add _d, RT3;
|
|
/*vpop {q4-q7};*/
|
|
add _e, RT0;
|
|
stm RSTATE, {_a-_e};
|
|
|
|
pop {r4-r12, pc};
|
|
|
|
.Ldo_nothing:
|
|
bx lr
|
|
ENDPROC(sha1_transform_neon)
|