crypto/sm3/sm3.c

   1 /*
   2  * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright 2017 Ribose Inc. All Rights Reserved.
   4  * Ported from Ribose contributions from Botan.
   5  *
   6  * Licensed under the Apache License 2.0 (the "License").  You may not use
   7  * this file except in compliance with the License.  You can obtain a copy
   8  * in the file LICENSE in the source distribution or at
   9  * https://www.openssl.org/source/license.html
  10  */
  11
  12 #include <openssl/e_os2.h>
  13 #include "sm3_local.h"
  14
  15 int ossl_sm3_init(SM3_CTX *c)
  16 {
  17     memset(c, 0, sizeof(*c));
  18     c->A = SM3_A;
  19     c->B = SM3_B;
  20     c->C = SM3_C;
  21     c->D = SM3_D;
  22     c->E = SM3_E;
  23     c->F = SM3_F;
  24     c->G = SM3_G;
  25     c->H = SM3_H;
  26     return 1;
  27 }
  28
  29 void ossl_sm3_block_data_order(SM3_CTX *ctx, const void *p, size_t num)
  30 {
  31     const unsigned char *data = p;
  32     register unsigned MD32_REG_T A, B, C, D, E, F, G, H;
  33
  34     unsigned MD32_REG_T W00, W01, W02, W03, W04, W05, W06, W07,
  35         W08, W09, W10, W11, W12, W13, W14, W15;
  36
  37     for (; num--;) {
  38
  39         A = ctx->A;
  40         B = ctx->B;
  41         C = ctx->C;
  42         D = ctx->D;
  43         E = ctx->E;
  44         F = ctx->F;
  45         G = ctx->G;
  46         H = ctx->H;
  47
  48         /*
  49         * We have to load all message bytes immediately since SM3 reads
  50         * them slightly out of order.
  51         */
  52         (void)HOST_c2l(data, W00);
  53         (void)HOST_c2l(data, W01);
  54         (void)HOST_c2l(data, W02);
  55         (void)HOST_c2l(data, W03);
  56         (void)HOST_c2l(data, W04);
  57         (void)HOST_c2l(data, W05);
  58         (void)HOST_c2l(data, W06);
  59         (void)HOST_c2l(data, W07);
  60         (void)HOST_c2l(data, W08);
  61         (void)HOST_c2l(data, W09);
  62         (void)HOST_c2l(data, W10);
  63         (void)HOST_c2l(data, W11);
  64         (void)HOST_c2l(data, W12);
  65         (void)HOST_c2l(data, W13);
  66         (void)HOST_c2l(data, W14);
  67         (void)HOST_c2l(data, W15);
  68
  69         R1(A, B, C, D, E, F, G, H, 0x79CC4519, W00, W00 ^ W04);
  70         W00 = EXPAND(W00, W07, W13, W03, W10);
  71         R1(D, A, B, C, H, E, F, G, 0xF3988A32, W01, W01 ^ W05);
  72         W01 = EXPAND(W01, W08, W14, W04, W11);
  73         R1(C, D, A, B, G, H, E, F, 0xE7311465, W02, W02 ^ W06);
  74         W02 = EXPAND(W02, W09, W15, W05, W12);
  75         R1(B, C, D, A, F, G, H, E, 0xCE6228CB, W03, W03 ^ W07);
  76         W03 = EXPAND(W03, W10, W00, W06, W13);
  77         R1(A, B, C, D, E, F, G, H, 0x9CC45197, W04, W04 ^ W08);
  78         W04 = EXPAND(W04, W11, W01, W07, W14);
  79         R1(D, A, B, C, H, E, F, G, 0x3988A32F, W05, W05 ^ W09);
  80         W05 = EXPAND(W05, W12, W02, W08, W15);
  81         R1(C, D, A, B, G, H, E, F, 0x7311465E, W06, W06 ^ W10);
  82         W06 = EXPAND(W06, W13, W03, W09, W00);
  83         R1(B, C, D, A, F, G, H, E, 0xE6228CBC, W07, W07 ^ W11);
  84         W07 = EXPAND(W07, W14, W04, W10, W01);
  85         R1(A, B, C, D, E, F, G, H, 0xCC451979, W08, W08 ^ W12);
  86         W08 = EXPAND(W08, W15, W05, W11, W02);
  87         R1(D, A, B, C, H, E, F, G, 0x988A32F3, W09, W09 ^ W13);
  88         W09 = EXPAND(W09, W00, W06, W12, W03);
  89         R1(C, D, A, B, G, H, E, F, 0x311465E7, W10, W10 ^ W14);
  90         W10 = EXPAND(W10, W01, W07, W13, W04);
  91         R1(B, C, D, A, F, G, H, E, 0x6228CBCE, W11, W11 ^ W15);
  92         W11 = EXPAND(W11, W02, W08, W14, W05);
  93         R1(A, B, C, D, E, F, G, H, 0xC451979C, W12, W12 ^ W00);
  94         W12 = EXPAND(W12, W03, W09, W15, W06);
  95         R1(D, A, B, C, H, E, F, G, 0x88A32F39, W13, W13 ^ W01);
  96         W13 = EXPAND(W13, W04, W10, W00, W07);
  97         R1(C, D, A, B, G, H, E, F, 0x11465E73, W14, W14 ^ W02);
  98         W14 = EXPAND(W14, W05, W11, W01, W08);
  99         R1(B, C, D, A, F, G, H, E, 0x228CBCE6, W15, W15 ^ W03);
 100         W15 = EXPAND(W15, W06, W12, W02, W09);
 101         R2(A, B, C, D, E, F, G, H, 0x9D8A7A87, W00, W00 ^ W04);
 102         W00 = EXPAND(W00, W07, W13, W03, W10);
 103         R2(D, A, B, C, H, E, F, G, 0x3B14F50F, W01, W01 ^ W05);
 104         W01 = EXPAND(W01, W08, W14, W04, W11);
 105         R2(C, D, A, B, G, H, E, F, 0x7629EA1E, W02, W02 ^ W06);
 106         W02 = EXPAND(W02, W09, W15, W05, W12);
 107         R2(B, C, D, A, F, G, H, E, 0xEC53D43C, W03, W03 ^ W07);
 108         W03 = EXPAND(W03, W10, W00, W06, W13);
 109         R2(A, B, C, D, E, F, G, H, 0xD8A7A879, W04, W04 ^ W08);
 110         W04 = EXPAND(W04, W11, W01, W07, W14);
 111         R2(D, A, B, C, H, E, F, G, 0xB14F50F3, W05, W05 ^ W09);
 112         W05 = EXPAND(W05, W12, W02, W08, W15);
 113         R2(C, D, A, B, G, H, E, F, 0x629EA1E7, W06, W06 ^ W10);
 114         W06 = EXPAND(W06, W13, W03, W09, W00);
 115         R2(B, C, D, A, F, G, H, E, 0xC53D43CE, W07, W07 ^ W11);
 116         W07 = EXPAND(W07, W14, W04, W10, W01);
 117         R2(A, B, C, D, E, F, G, H, 0x8A7A879D, W08, W08 ^ W12);
 118         W08 = EXPAND(W08, W15, W05, W11, W02);
 119         R2(D, A, B, C, H, E, F, G, 0x14F50F3B, W09, W09 ^ W13);
 120         W09 = EXPAND(W09, W00, W06, W12, W03);
 121         R2(C, D, A, B, G, H, E, F, 0x29EA1E76, W10, W10 ^ W14);
 122         W10 = EXPAND(W10, W01, W07, W13, W04);
 123         R2(B, C, D, A, F, G, H, E, 0x53D43CEC, W11, W11 ^ W15);
 124         W11 = EXPAND(W11, W02, W08, W14, W05);
 125         R2(A, B, C, D, E, F, G, H, 0xA7A879D8, W12, W12 ^ W00);
 126         W12 = EXPAND(W12, W03, W09, W15, W06);
 127         R2(D, A, B, C, H, E, F, G, 0x4F50F3B1, W13, W13 ^ W01);
 128         W13 = EXPAND(W13, W04, W10, W00, W07);
 129         R2(C, D, A, B, G, H, E, F, 0x9EA1E762, W14, W14 ^ W02);
 130         W14 = EXPAND(W14, W05, W11, W01, W08);
 131         R2(B, C, D, A, F, G, H, E, 0x3D43CEC5, W15, W15 ^ W03);
 132         W15 = EXPAND(W15, W06, W12, W02, W09);
 133         R2(A, B, C, D, E, F, G, H, 0x7A879D8A, W00, W00 ^ W04);
 134         W00 = EXPAND(W00, W07, W13, W03, W10);
 135         R2(D, A, B, C, H, E, F, G, 0xF50F3B14, W01, W01 ^ W05);
 136         W01 = EXPAND(W01, W08, W14, W04, W11);
 137         R2(C, D, A, B, G, H, E, F, 0xEA1E7629, W02, W02 ^ W06);
 138         W02 = EXPAND(W02, W09, W15, W05, W12);
 139         R2(B, C, D, A, F, G, H, E, 0xD43CEC53, W03, W03 ^ W07);
 140         W03 = EXPAND(W03, W10, W00, W06, W13);
 141         R2(A, B, C, D, E, F, G, H, 0xA879D8A7, W04, W04 ^ W08);
 142         W04 = EXPAND(W04, W11, W01, W07, W14);
 143         R2(D, A, B, C, H, E, F, G, 0x50F3B14F, W05, W05 ^ W09);
 144         W05 = EXPAND(W05, W12, W02, W08, W15);
 145         R2(C, D, A, B, G, H, E, F, 0xA1E7629E, W06, W06 ^ W10);
 146         W06 = EXPAND(W06, W13, W03, W09, W00);
 147         R2(B, C, D, A, F, G, H, E, 0x43CEC53D, W07, W07 ^ W11);
 148         W07 = EXPAND(W07, W14, W04, W10, W01);
 149         R2(A, B, C, D, E, F, G, H, 0x879D8A7A, W08, W08 ^ W12);
 150         W08 = EXPAND(W08, W15, W05, W11, W02);
 151         R2(D, A, B, C, H, E, F, G, 0x0F3B14F5, W09, W09 ^ W13);
 152         W09 = EXPAND(W09, W00, W06, W12, W03);
 153         R2(C, D, A, B, G, H, E, F, 0x1E7629EA, W10, W10 ^ W14);
 154         W10 = EXPAND(W10, W01, W07, W13, W04);
 155         R2(B, C, D, A, F, G, H, E, 0x3CEC53D4, W11, W11 ^ W15);
 156         W11 = EXPAND(W11, W02, W08, W14, W05);
 157         R2(A, B, C, D, E, F, G, H, 0x79D8A7A8, W12, W12 ^ W00);
 158         W12 = EXPAND(W12, W03, W09, W15, W06);
 159         R2(D, A, B, C, H, E, F, G, 0xF3B14F50, W13, W13 ^ W01);
 160         W13 = EXPAND(W13, W04, W10, W00, W07);
 161         R2(C, D, A, B, G, H, E, F, 0xE7629EA1, W14, W14 ^ W02);
 162         W14 = EXPAND(W14, W05, W11, W01, W08);
 163         R2(B, C, D, A, F, G, H, E, 0xCEC53D43, W15, W15 ^ W03);
 164         W15 = EXPAND(W15, W06, W12, W02, W09);
 165         R2(A, B, C, D, E, F, G, H, 0x9D8A7A87, W00, W00 ^ W04);
 166         W00 = EXPAND(W00, W07, W13, W03, W10);
 167         R2(D, A, B, C, H, E, F, G, 0x3B14F50F, W01, W01 ^ W05);
 168         W01 = EXPAND(W01, W08, W14, W04, W11);
 169         R2(C, D, A, B, G, H, E, F, 0x7629EA1E, W02, W02 ^ W06);
 170         W02 = EXPAND(W02, W09, W15, W05, W12);
 171         R2(B, C, D, A, F, G, H, E, 0xEC53D43C, W03, W03 ^ W07);
 172         W03 = EXPAND(W03, W10, W00, W06, W13);
 173         R2(A, B, C, D, E, F, G, H, 0xD8A7A879, W04, W04 ^ W08);
 174         R2(D, A, B, C, H, E, F, G, 0xB14F50F3, W05, W05 ^ W09);
 175         R2(C, D, A, B, G, H, E, F, 0x629EA1E7, W06, W06 ^ W10);
 176         R2(B, C, D, A, F, G, H, E, 0xC53D43CE, W07, W07 ^ W11);
 177         R2(A, B, C, D, E, F, G, H, 0x8A7A879D, W08, W08 ^ W12);
 178         R2(D, A, B, C, H, E, F, G, 0x14F50F3B, W09, W09 ^ W13);
 179         R2(C, D, A, B, G, H, E, F, 0x29EA1E76, W10, W10 ^ W14);
 180         R2(B, C, D, A, F, G, H, E, 0x53D43CEC, W11, W11 ^ W15);
 181         R2(A, B, C, D, E, F, G, H, 0xA7A879D8, W12, W12 ^ W00);
 182         R2(D, A, B, C, H, E, F, G, 0x4F50F3B1, W13, W13 ^ W01);
 183         R2(C, D, A, B, G, H, E, F, 0x9EA1E762, W14, W14 ^ W02);
 184         R2(B, C, D, A, F, G, H, E, 0x3D43CEC5, W15, W15 ^ W03);
 185
 186         ctx->A ^= A;
 187         ctx->B ^= B;
 188         ctx->C ^= C;
 189         ctx->D ^= D;
 190         ctx->E ^= E;
 191         ctx->F ^= F;
 192         ctx->G ^= G;
 193         ctx->H ^= H;
 194     }
 195 }