207 lines
7.8 KiB
C
207 lines
7.8 KiB
C
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/* $OpenBSD: sm3.c,v 1.1 2018/11/11 06:53:31 tb Exp $ */
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/*
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* Copyright (c) 2018, Ribose Inc
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef OPENSSL_NO_SM3
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#include <openssl/sm3.h>
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#include "sm3_locl.h"
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int
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SM3_Init(SM3_CTX *c)
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{
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memset(c, 0, sizeof(*c));
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c->A = SM3_A;
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c->B = SM3_B;
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c->C = SM3_C;
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c->D = SM3_D;
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c->E = SM3_E;
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c->F = SM3_F;
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c->G = SM3_G;
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c->H = SM3_H;
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return 1;
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}
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void
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SM3_block_data_order(SM3_CTX *ctx, const void *p, size_t num)
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{
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const unsigned char *data = p;
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SM3_WORD A, B, C, D, E, F, G, H;
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SM3_WORD W00, W01, W02, W03, W04, W05, W06, W07;
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SM3_WORD W08, W09, W10, W11, W12, W13, W14, W15;
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while (num-- != 0) {
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A = ctx->A;
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B = ctx->B;
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C = ctx->C;
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D = ctx->D;
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E = ctx->E;
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F = ctx->F;
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G = ctx->G;
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H = ctx->H;
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/*
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* We have to load all message bytes immediately since SM3 reads
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* them slightly out of order.
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*/
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HOST_c2l(data, W00);
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HOST_c2l(data, W01);
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HOST_c2l(data, W02);
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HOST_c2l(data, W03);
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HOST_c2l(data, W04);
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HOST_c2l(data, W05);
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HOST_c2l(data, W06);
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HOST_c2l(data, W07);
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HOST_c2l(data, W08);
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HOST_c2l(data, W09);
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HOST_c2l(data, W10);
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HOST_c2l(data, W11);
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HOST_c2l(data, W12);
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HOST_c2l(data, W13);
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HOST_c2l(data, W14);
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HOST_c2l(data, W15);
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R1(A, B, C, D, E, F, G, H, 0x79cc4519, W00, W00 ^ W04);
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W00 = EXPAND(W00, W07, W13, W03, W10);
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R1(D, A, B, C, H, E, F, G, 0xf3988a32, W01, W01 ^ W05);
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W01 = EXPAND(W01, W08, W14, W04, W11);
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R1(C, D, A, B, G, H, E, F, 0xe7311465, W02, W02 ^ W06);
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W02 = EXPAND(W02, W09, W15, W05, W12);
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R1(B, C, D, A, F, G, H, E, 0xce6228cb, W03, W03 ^ W07);
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W03 = EXPAND(W03, W10, W00, W06, W13);
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R1(A, B, C, D, E, F, G, H, 0x9cc45197, W04, W04 ^ W08);
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W04 = EXPAND(W04, W11, W01, W07, W14);
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R1(D, A, B, C, H, E, F, G, 0x3988a32f, W05, W05 ^ W09);
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W05 = EXPAND(W05, W12, W02, W08, W15);
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R1(C, D, A, B, G, H, E, F, 0x7311465e, W06, W06 ^ W10);
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W06 = EXPAND(W06, W13, W03, W09, W00);
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R1(B, C, D, A, F, G, H, E, 0xe6228cbc, W07, W07 ^ W11);
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W07 = EXPAND(W07, W14, W04, W10, W01);
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R1(A, B, C, D, E, F, G, H, 0xcc451979, W08, W08 ^ W12);
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W08 = EXPAND(W08, W15, W05, W11, W02);
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R1(D, A, B, C, H, E, F, G, 0x988a32f3, W09, W09 ^ W13);
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W09 = EXPAND(W09, W00, W06, W12, W03);
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R1(C, D, A, B, G, H, E, F, 0x311465e7, W10, W10 ^ W14);
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W10 = EXPAND(W10, W01, W07, W13, W04);
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R1(B, C, D, A, F, G, H, E, 0x6228cbce, W11, W11 ^ W15);
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W11 = EXPAND(W11, W02, W08, W14, W05);
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R1(A, B, C, D, E, F, G, H, 0xc451979c, W12, W12 ^ W00);
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W12 = EXPAND(W12, W03, W09, W15, W06);
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R1(D, A, B, C, H, E, F, G, 0x88a32f39, W13, W13 ^ W01);
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W13 = EXPAND(W13, W04, W10, W00, W07);
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R1(C, D, A, B, G, H, E, F, 0x11465e73, W14, W14 ^ W02);
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W14 = EXPAND(W14, W05, W11, W01, W08);
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R1(B, C, D, A, F, G, H, E, 0x228cbce6, W15, W15 ^ W03);
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W15 = EXPAND(W15, W06, W12, W02, W09);
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R2(A, B, C, D, E, F, G, H, 0x9d8a7a87, W00, W00 ^ W04);
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W00 = EXPAND(W00, W07, W13, W03, W10);
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R2(D, A, B, C, H, E, F, G, 0x3b14f50f, W01, W01 ^ W05);
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W01 = EXPAND(W01, W08, W14, W04, W11);
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R2(C, D, A, B, G, H, E, F, 0x7629ea1e, W02, W02 ^ W06);
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W02 = EXPAND(W02, W09, W15, W05, W12);
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R2(B, C, D, A, F, G, H, E, 0xec53d43c, W03, W03 ^ W07);
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W03 = EXPAND(W03, W10, W00, W06, W13);
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R2(A, B, C, D, E, F, G, H, 0xd8a7a879, W04, W04 ^ W08);
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W04 = EXPAND(W04, W11, W01, W07, W14);
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R2(D, A, B, C, H, E, F, G, 0xb14f50f3, W05, W05 ^ W09);
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W05 = EXPAND(W05, W12, W02, W08, W15);
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R2(C, D, A, B, G, H, E, F, 0x629ea1e7, W06, W06 ^ W10);
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W06 = EXPAND(W06, W13, W03, W09, W00);
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R2(B, C, D, A, F, G, H, E, 0xc53d43ce, W07, W07 ^ W11);
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W07 = EXPAND(W07, W14, W04, W10, W01);
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R2(A, B, C, D, E, F, G, H, 0x8a7a879d, W08, W08 ^ W12);
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W08 = EXPAND(W08, W15, W05, W11, W02);
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R2(D, A, B, C, H, E, F, G, 0x14f50f3b, W09, W09 ^ W13);
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W09 = EXPAND(W09, W00, W06, W12, W03);
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R2(C, D, A, B, G, H, E, F, 0x29ea1e76, W10, W10 ^ W14);
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W10 = EXPAND(W10, W01, W07, W13, W04);
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R2(B, C, D, A, F, G, H, E, 0x53d43cec, W11, W11 ^ W15);
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W11 = EXPAND(W11, W02, W08, W14, W05);
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R2(A, B, C, D, E, F, G, H, 0xa7a879d8, W12, W12 ^ W00);
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W12 = EXPAND(W12, W03, W09, W15, W06);
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R2(D, A, B, C, H, E, F, G, 0x4f50f3b1, W13, W13 ^ W01);
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W13 = EXPAND(W13, W04, W10, W00, W07);
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R2(C, D, A, B, G, H, E, F, 0x9ea1e762, W14, W14 ^ W02);
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W14 = EXPAND(W14, W05, W11, W01, W08);
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R2(B, C, D, A, F, G, H, E, 0x3d43cec5, W15, W15 ^ W03);
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W15 = EXPAND(W15, W06, W12, W02, W09);
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R2(A, B, C, D, E, F, G, H, 0x7a879d8a, W00, W00 ^ W04);
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W00 = EXPAND(W00, W07, W13, W03, W10);
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R2(D, A, B, C, H, E, F, G, 0xf50f3b14, W01, W01 ^ W05);
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W01 = EXPAND(W01, W08, W14, W04, W11);
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R2(C, D, A, B, G, H, E, F, 0xea1e7629, W02, W02 ^ W06);
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W02 = EXPAND(W02, W09, W15, W05, W12);
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R2(B, C, D, A, F, G, H, E, 0xd43cec53, W03, W03 ^ W07);
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W03 = EXPAND(W03, W10, W00, W06, W13);
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R2(A, B, C, D, E, F, G, H, 0xa879d8a7, W04, W04 ^ W08);
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W04 = EXPAND(W04, W11, W01, W07, W14);
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R2(D, A, B, C, H, E, F, G, 0x50f3b14f, W05, W05 ^ W09);
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W05 = EXPAND(W05, W12, W02, W08, W15);
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R2(C, D, A, B, G, H, E, F, 0xa1e7629e, W06, W06 ^ W10);
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W06 = EXPAND(W06, W13, W03, W09, W00);
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R2(B, C, D, A, F, G, H, E, 0x43cec53d, W07, W07 ^ W11);
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W07 = EXPAND(W07, W14, W04, W10, W01);
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R2(A, B, C, D, E, F, G, H, 0x879d8a7a, W08, W08 ^ W12);
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W08 = EXPAND(W08, W15, W05, W11, W02);
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R2(D, A, B, C, H, E, F, G, 0x0f3b14f5, W09, W09 ^ W13);
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W09 = EXPAND(W09, W00, W06, W12, W03);
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R2(C, D, A, B, G, H, E, F, 0x1e7629ea, W10, W10 ^ W14);
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W10 = EXPAND(W10, W01, W07, W13, W04);
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R2(B, C, D, A, F, G, H, E, 0x3cec53d4, W11, W11 ^ W15);
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W11 = EXPAND(W11, W02, W08, W14, W05);
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R2(A, B, C, D, E, F, G, H, 0x79d8a7a8, W12, W12 ^ W00);
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W12 = EXPAND(W12, W03, W09, W15, W06);
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R2(D, A, B, C, H, E, F, G, 0xf3b14f50, W13, W13 ^ W01);
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W13 = EXPAND(W13, W04, W10, W00, W07);
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R2(C, D, A, B, G, H, E, F, 0xe7629ea1, W14, W14 ^ W02);
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W14 = EXPAND(W14, W05, W11, W01, W08);
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R2(B, C, D, A, F, G, H, E, 0xcec53d43, W15, W15 ^ W03);
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W15 = EXPAND(W15, W06, W12, W02, W09);
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R2(A, B, C, D, E, F, G, H, 0x9d8a7a87, W00, W00 ^ W04);
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W00 = EXPAND(W00, W07, W13, W03, W10);
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R2(D, A, B, C, H, E, F, G, 0x3b14f50f, W01, W01 ^ W05);
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W01 = EXPAND(W01, W08, W14, W04, W11);
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R2(C, D, A, B, G, H, E, F, 0x7629ea1e, W02, W02 ^ W06);
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W02 = EXPAND(W02, W09, W15, W05, W12);
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R2(B, C, D, A, F, G, H, E, 0xec53d43c, W03, W03 ^ W07);
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W03 = EXPAND(W03, W10, W00, W06, W13);
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R2(A, B, C, D, E, F, G, H, 0xd8a7a879, W04, W04 ^ W08);
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R2(D, A, B, C, H, E, F, G, 0xb14f50f3, W05, W05 ^ W09);
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R2(C, D, A, B, G, H, E, F, 0x629ea1e7, W06, W06 ^ W10);
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R2(B, C, D, A, F, G, H, E, 0xc53d43ce, W07, W07 ^ W11);
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R2(A, B, C, D, E, F, G, H, 0x8a7a879d, W08, W08 ^ W12);
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R2(D, A, B, C, H, E, F, G, 0x14f50f3b, W09, W09 ^ W13);
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R2(C, D, A, B, G, H, E, F, 0x29ea1e76, W10, W10 ^ W14);
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R2(B, C, D, A, F, G, H, E, 0x53d43cec, W11, W11 ^ W15);
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R2(A, B, C, D, E, F, G, H, 0xa7a879d8, W12, W12 ^ W00);
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R2(D, A, B, C, H, E, F, G, 0x4f50f3b1, W13, W13 ^ W01);
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R2(C, D, A, B, G, H, E, F, 0x9ea1e762, W14, W14 ^ W02);
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R2(B, C, D, A, F, G, H, E, 0x3d43cec5, W15, W15 ^ W03);
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ctx->A ^= A;
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ctx->B ^= B;
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ctx->C ^= C;
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ctx->D ^= D;
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ctx->E ^= E;
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ctx->F ^= F;
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ctx->G ^= G;
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ctx->H ^= H;
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}
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}
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#endif /* !OPENSSL_NO_SM3 */
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