From 2a23f12e387adc8447581b988d152488af3ff4f3 Mon Sep 17 00:00:00 2001 From: Sun Yimin Date: Mon, 18 Sep 2023 15:18:17 +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 | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/SM3性能优化.md b/SM3性能优化.md index 11b13cb..d01670c 100644 --- a/SM3性能优化.md +++ b/SM3性能优化.md @@ -268,23 +268,19 @@ VEOR XTMP4.B16, XTMP0.B16, XTMP2.B16; // XTMP2 = {..., ..., W[1], W[0]} // Prepare P1 parameters VEXT $4, XTMP2.B16, XWORD3.B16, XTMP3.B16; // XTMP3 = W[-3] {W[0],w15, w14, w13}, Vm = XTMP2, Vn = XWORD3 VSHL $15, XTMP3.S4, XTMP4.S4; -VSRI $17, XTMP3.S4, XTMP4.S4; // XTMP4 = W[-3] rol 15 {DCxx} -VEOR XTMP1.B16, XTMP4.B16, XTMP4.B16; // XTMP4 = W[-9] XOR W[-16] XOR (W[-3] rol 15) {DCxx} +VSRI $17, XTMP3.S4, XTMP4.S4; // XTMP4 = W[-3] rol 15 {DCBA} +VEOR XTMP1.B16, XTMP4.B16, XTMP4.B16; // XTMP4 = W[-9] XOR W[-16] XOR (W[-3] rol 15) {DCBA} // P1 VSHL $15, XTMP4.S4, XTMP3.S4; -VSRI $17, XTMP4.S4, XTMP3.S4; // XTMP3 = XTMP4 rol 15 {DCxx} +VSRI $17, XTMP4.S4, XTMP3.S4; // XTMP3 = XTMP4 rol 15 {DCBA} VSHL $8, XTMP3.S4, XTMP1.S4; -VSRI $24, XTMP3.S4, XTMP1.S4; // XTMP1 = XTMP4 rol 23 {DCxx} -VEOR XTMP3.B16, XTMP4.B16, XTMP3.B16; // XTMP3 = XTMP4 XOR (XTMP4 rol 15 {DCxx}) -VEOR XTMP3.B16, XTMP1.B16, XTMP1.B16; // XTMP1 = XTMP4 XOR (XTMP4 rol 15 {DCxx}) XOR (XTMP4 rol 23 {DCxx}) +VSRI $24, XTMP3.S4, XTMP1.S4; // XTMP1 = XTMP4 rol 23 {DCBA} +VEOR XTMP3.B16, XTMP4.B16, XTMP3.B16; // XTMP3 = XTMP4 XOR (XTMP4 rol 15 {DCBA}) +VEOR XTMP3.B16, XTMP1.B16, XTMP1.B16; // XTMP1 = XTMP4 XOR (XTMP4 rol 15 {DCBA}) XOR (XTMP4 rol 23 {DCBA}) -// Last 2 words message schedule result -VEOR XTMP1.B16, XTMP0.B16, XTMP1.B16; // XTMP1 = {W[3], W[2], ..., ...} - -// 拼接结果 -VEXT $8, XTMP2.B16, XTMP1.B16, XTMP3.B16; // XTMP3 = {W[1], W[0], W[3], W[2]}, Vm = XTMP2, Vn = XTMP1 -VEXT $8, XTMP3.B16, XTMP3.B16, XWORD0.B16; // XWORD0 = {W[3], W[2], W[1], W[0]} +// 4 words message schedule result +VEOR XTMP1.B16, XTMP0.B16, XTMP1.B16; // XTMP1 = {W[3], W[2], W[1], W[0]} ``` 由于要算**52**个DWORDs，所以