From 12b312a4af7e833979946208ec52bcadcb307215 Mon Sep 17 00:00:00 2001 From: Sun Yimin Date: Mon, 18 Sep 2023 15:24:49 +0800 Subject: [PATCH] =?UTF-8?q?Updated=20SM3=E6=80=A7=E8=83=BD=E4=BC=98?= =?UTF-8?q?=E5=8C=96=20(markdown)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- SM3性能优化.md | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/SM3性能优化.md b/SM3性能优化.md index d01670c..939f00c 100644 --- a/SM3性能优化.md +++ b/SM3性能优化.md @@ -184,7 +184,7 @@ SM3的第一版，比SHA256复杂，不知道有没有继续优化的空间。 VPSHUFD $0x4E, XTMP3, XDWORD0; \ // XDWORD0 = {W[3], W[2], W[1], W[0]} ``` -第三版（去除shuff_DC00<>(SB)，先扩展一个word）： +第三版（去除shuff_00BA<>(SB)，shuff_DC00<>(SB)，先扩展一个word）： ```asm // Wj ← P1(Wj−16 ⊕ Wj−9 ⊕ (Wj−3 ≪ 15)) ⊕ (Wj−13 ≪ 7) ⊕ Wj−6 // Transpose data into high/low parts @@ -204,20 +204,19 @@ SM3的第一版，比SHA256复杂，不知道有没有继续优化的空间。 VPALIGNR $12, XDWORD1, XDWORD2, XTMP1; \ // XTMP1 = W[-9] = {w10,w9,w8,w7} VPXOR XDWORD0, XTMP1, XTMP1; \ // XTMP1 = W[-9] XOR W[-16] VPSHUFD $0xA5, XDWORD3, XTMP2; \ // XTMP2 = W[-3] {BBAA} {w14,w14,w13,w13} - VPSLLQ $15, XTMP2, XTMP2; \ // XTMP2 = W[-3] rol 15 {BxAx} - VPSHUFB shuff_00BA<>(SB), XTMP2, XTMP2;\ // XTMP2 = W[-3] rol 15 {00BA} - VPXOR XTMP1, XTMP2, XTMP2; \ // XTMP2 = W[-9] XOR W[-16] XOR (W[-3] rol 15) {xxBA} + VPSRLQ $17, XTMP2, XTMP2; \ // XTMP2 = W[-3] ror 17 {xBxA} + VPXOR XTMP1, XTMP2, XTMP2; \ // XTMP2 = W[-9] XOR W[-16] XOR (W[-3] rol 15) {xxxA} // P1 VPSLLD $15, XTMP2, XTMP3; \ VPSRLD $(32-15), XTMP2, XTMP4; \ - VPOR XTMP3, XTMP4, XTMP4; \ // XTMP4 = XTMP2 rol 15 {xxBA} - VPSHUFB r08_mask<>(SB), XTMP4, XTMP3; \ // XTMP3 = XTMP2 rol 23 {xxBA} - VPXOR XTMP2, XTMP4, XTMP4; \ // XTMP4 = XTMP2 XOR (XTMP2 rol 15 {xxBA}) - VPXOR XTMP4, XTMP3, XTMP4; \ // XTMP4 = XTMP2 XOR (XTMP2 rol 15 {xxBA}) XOR (XTMP2 rol 23 {xxBA}) + VPOR XTMP3, XTMP4, XTMP4; \ // XTMP4 = XTMP2 rol 15 {xxxA} + VPSHUFB r08_mask<>(SB), XTMP4, XTMP3; \ // XTMP3 = XTMP2 rol 23 {xxxA} + VPXOR XTMP2, XTMP4, XTMP4; \ // XTMP4 = XTMP2 XOR (XTMP2 rol 15 {xxxA}) + VPXOR XTMP4, XTMP3, XTMP4; \ // XTMP4 = XTMP2 XOR (XTMP2 rol 15 {xxxA}) XOR (XTMP2 rol 23 {xxxA}) - // First 2 words message schedule result - VPXOR XTMP4, XTMP0, XTMP2; \ // XTMP2 = {..., ..., W[1], W[0]} + // First 1 words message schedule result + VPXOR XTMP4, XTMP0, XTMP2; \ // XTMP2 = {..., ..., ..., W[0]} // Prepare P1 parameters VPALIGNR $4, XDWORD3, XTMP2, XTMP3; \ // XTMP3 = {W[0], w15, w14, w13}