Botan 2.19.3
Crypto and TLS for C&
sm3.cpp
Go to the documentation of this file.
1/*
2* SM3
3* (C) 2017 Ribose Inc.
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#include <botan/sm3.h>
9#include <botan/loadstor.h>
10#include <botan/rotate.h>
11
12namespace Botan {
13
14std::unique_ptr<HashFunction> SM3::copy_state() const
15 {
16 return std::unique_ptr<HashFunction>(new SM3(*this));
17 }
18
19namespace {
20
21const uint32_t SM3_IV[] = {
22 0x7380166fUL, 0x4914b2b9UL, 0x172442d7UL, 0xda8a0600UL,
23 0xa96f30bcUL, 0x163138aaUL, 0xe38dee4dUL, 0xb0fb0e4eUL
24};
25
26inline uint32_t P0(uint32_t X)
27 {
28 return X ^ rotl<9>(X) ^ rotl<17>(X);
29 }
30
31inline uint32_t FF1(uint32_t X, uint32_t Y, uint32_t Z)
32 {
33 return (X & Y) | ((X | Y) & Z);
34 //return (X & Y) | (X & Z) | (Y & Z);
35 }
36
37inline uint32_t GG1(uint32_t X, uint32_t Y, uint32_t Z)
38 {
39 //return (X & Y) | (~X & Z);
40 return ((Z ^ (X & (Y ^ Z))));
41 }
42
43inline void R1(uint32_t A, uint32_t& B, uint32_t C, uint32_t& D,
44 uint32_t E, uint32_t& F, uint32_t G, uint32_t& H,
45 uint32_t TJ, uint32_t Wi, uint32_t Wj)
46 {
47 const uint32_t A12 = rotl<12>(A);
48 const uint32_t SS1 = rotl<7>(A12 + E + TJ);
49 const uint32_t TT1 = (A ^ B ^ C) + D + (SS1 ^ A12) + Wj;
50 const uint32_t TT2 = (E ^ F ^ G) + H + SS1 + Wi;
51
52 B = rotl<9>(B);
53 D = TT1;
54 F = rotl<19>(F);
55 H = P0(TT2);
56 }
57
58inline void R2(uint32_t A, uint32_t& B, uint32_t C, uint32_t& D,
59 uint32_t E, uint32_t& F, uint32_t G, uint32_t& H,
60 uint32_t TJ, uint32_t Wi, uint32_t Wj)
61 {
62 const uint32_t A12 = rotl<12>(A);
63 const uint32_t SS1 = rotl<7>(A12 + E + TJ);
64 const uint32_t TT1 = FF1(A, B, C) + D + (SS1 ^ A12) + Wj;
65 const uint32_t TT2 = GG1(E, F, G) + H + SS1 + Wi;
66
67 B = rotl<9>(B);
68 D = TT1;
69 F = rotl<19>(F);
70 H = P0(TT2);
71 }
72
73inline uint32_t P1(uint32_t X)
74 {
75 return X ^ rotl<15>(X) ^ rotl<23>(X);
76 }
77
78inline uint32_t SM3_E(uint32_t W0, uint32_t W7, uint32_t W13, uint32_t W3, uint32_t W10)
79 {
80 return P1(W0 ^ W7 ^ rotl<15>(W13)) ^ rotl<7>(W3) ^ W10;
81 }
82
83}
84
85/*
86* SM3 Compression Function
87*/
88void SM3::compress_n(const uint8_t input[], size_t blocks)
89 {
90 uint32_t A = m_digest[0], B = m_digest[1], C = m_digest[2], D = m_digest[3],
91 E = m_digest[4], F = m_digest[5], G = m_digest[6], H = m_digest[7];
92
93 for(size_t i = 0; i != blocks; ++i)
94 {
95 uint32_t W00 = load_be<uint32_t>(input, 0);
96 uint32_t W01 = load_be<uint32_t>(input, 1);
97 uint32_t W02 = load_be<uint32_t>(input, 2);
98 uint32_t W03 = load_be<uint32_t>(input, 3);
99 uint32_t W04 = load_be<uint32_t>(input, 4);
100 uint32_t W05 = load_be<uint32_t>(input, 5);
101 uint32_t W06 = load_be<uint32_t>(input, 6);
102 uint32_t W07 = load_be<uint32_t>(input, 7);
103 uint32_t W08 = load_be<uint32_t>(input, 8);
104 uint32_t W09 = load_be<uint32_t>(input, 9);
105 uint32_t W10 = load_be<uint32_t>(input, 10);
106 uint32_t W11 = load_be<uint32_t>(input, 11);
107 uint32_t W12 = load_be<uint32_t>(input, 12);
108 uint32_t W13 = load_be<uint32_t>(input, 13);
109 uint32_t W14 = load_be<uint32_t>(input, 14);
110 uint32_t W15 = load_be<uint32_t>(input, 15);
111
112 R1(A, B, C, D, E, F, G, H, 0x79CC4519, W00, W00 ^ W04);
113 W00 = SM3_E(W00, W07, W13, W03, W10);
114 R1(D, A, B, C, H, E, F, G, 0xF3988A32, W01, W01 ^ W05);
115 W01 = SM3_E(W01, W08, W14, W04, W11);
116 R1(C, D, A, B, G, H, E, F, 0xE7311465, W02, W02 ^ W06);
117 W02 = SM3_E(W02, W09, W15, W05, W12);
118 R1(B, C, D, A, F, G, H, E, 0xCE6228CB, W03, W03 ^ W07);
119 W03 = SM3_E(W03, W10, W00, W06, W13);
120 R1(A, B, C, D, E, F, G, H, 0x9CC45197, W04, W04 ^ W08);
121 W04 = SM3_E(W04, W11, W01, W07, W14);
122 R1(D, A, B, C, H, E, F, G, 0x3988A32F, W05, W05 ^ W09);
123 W05 = SM3_E(W05, W12, W02, W08, W15);
124 R1(C, D, A, B, G, H, E, F, 0x7311465E, W06, W06 ^ W10);
125 W06 = SM3_E(W06, W13, W03, W09, W00);
126 R1(B, C, D, A, F, G, H, E, 0xE6228CBC, W07, W07 ^ W11);
127 W07 = SM3_E(W07, W14, W04, W10, W01);
128 R1(A, B, C, D, E, F, G, H, 0xCC451979, W08, W08 ^ W12);
129 W08 = SM3_E(W08, W15, W05, W11, W02);
130 R1(D, A, B, C, H, E, F, G, 0x988A32F3, W09, W09 ^ W13);
131 W09 = SM3_E(W09, W00, W06, W12, W03);
132 R1(C, D, A, B, G, H, E, F, 0x311465E7, W10, W10 ^ W14);
133 W10 = SM3_E(W10, W01, W07, W13, W04);
134 R1(B, C, D, A, F, G, H, E, 0x6228CBCE, W11, W11 ^ W15);
135 W11 = SM3_E(W11, W02, W08, W14, W05);
136 R1(A, B, C, D, E, F, G, H, 0xC451979C, W12, W12 ^ W00);
137 W12 = SM3_E(W12, W03, W09, W15, W06);
138 R1(D, A, B, C, H, E, F, G, 0x88A32F39, W13, W13 ^ W01);
139 W13 = SM3_E(W13, W04, W10, W00, W07);
140 R1(C, D, A, B, G, H, E, F, 0x11465E73, W14, W14 ^ W02);
141 W14 = SM3_E(W14, W05, W11, W01, W08);
142 R1(B, C, D, A, F, G, H, E, 0x228CBCE6, W15, W15 ^ W03);
143 W15 = SM3_E(W15, W06, W12, W02, W09);
144 R2(A, B, C, D, E, F, G, H, 0x9D8A7A87, W00, W00 ^ W04);
145 W00 = SM3_E(W00, W07, W13, W03, W10);
146 R2(D, A, B, C, H, E, F, G, 0x3B14F50F, W01, W01 ^ W05);
147 W01 = SM3_E(W01, W08, W14, W04, W11);
148 R2(C, D, A, B, G, H, E, F, 0x7629EA1E, W02, W02 ^ W06);
149 W02 = SM3_E(W02, W09, W15, W05, W12);
150 R2(B, C, D, A, F, G, H, E, 0xEC53D43C, W03, W03 ^ W07);
151 W03 = SM3_E(W03, W10, W00, W06, W13);
152 R2(A, B, C, D, E, F, G, H, 0xD8A7A879, W04, W04 ^ W08);
153 W04 = SM3_E(W04, W11, W01, W07, W14);
154 R2(D, A, B, C, H, E, F, G, 0xB14F50F3, W05, W05 ^ W09);
155 W05 = SM3_E(W05, W12, W02, W08, W15);
156 R2(C, D, A, B, G, H, E, F, 0x629EA1E7, W06, W06 ^ W10);
157 W06 = SM3_E(W06, W13, W03, W09, W00);
158 R2(B, C, D, A, F, G, H, E, 0xC53D43CE, W07, W07 ^ W11);
159 W07 = SM3_E(W07, W14, W04, W10, W01);
160 R2(A, B, C, D, E, F, G, H, 0x8A7A879D, W08, W08 ^ W12);
161 W08 = SM3_E(W08, W15, W05, W11, W02);
162 R2(D, A, B, C, H, E, F, G, 0x14F50F3B, W09, W09 ^ W13);
163 W09 = SM3_E(W09, W00, W06, W12, W03);
164 R2(C, D, A, B, G, H, E, F, 0x29EA1E76, W10, W10 ^ W14);
165 W10 = SM3_E(W10, W01, W07, W13, W04);
166 R2(B, C, D, A, F, G, H, E, 0x53D43CEC, W11, W11 ^ W15);
167 W11 = SM3_E(W11, W02, W08, W14, W05);
168 R2(A, B, C, D, E, F, G, H, 0xA7A879D8, W12, W12 ^ W00);
169 W12 = SM3_E(W12, W03, W09, W15, W06);
170 R2(D, A, B, C, H, E, F, G, 0x4F50F3B1, W13, W13 ^ W01);
171 W13 = SM3_E(W13, W04, W10, W00, W07);
172 R2(C, D, A, B, G, H, E, F, 0x9EA1E762, W14, W14 ^ W02);
173 W14 = SM3_E(W14, W05, W11, W01, W08);
174 R2(B, C, D, A, F, G, H, E, 0x3D43CEC5, W15, W15 ^ W03);
175 W15 = SM3_E(W15, W06, W12, W02, W09);
176 R2(A, B, C, D, E, F, G, H, 0x7A879D8A, W00, W00 ^ W04);
177 W00 = SM3_E(W00, W07, W13, W03, W10);
178 R2(D, A, B, C, H, E, F, G, 0xF50F3B14, W01, W01 ^ W05);
179 W01 = SM3_E(W01, W08, W14, W04, W11);
180 R2(C, D, A, B, G, H, E, F, 0xEA1E7629, W02, W02 ^ W06);
181 W02 = SM3_E(W02, W09, W15, W05, W12);
182 R2(B, C, D, A, F, G, H, E, 0xD43CEC53, W03, W03 ^ W07);
183 W03 = SM3_E(W03, W10, W00, W06, W13);
184 R2(A, B, C, D, E, F, G, H, 0xA879D8A7, W04, W04 ^ W08);
185 W04 = SM3_E(W04, W11, W01, W07, W14);
186 R2(D, A, B, C, H, E, F, G, 0x50F3B14F, W05, W05 ^ W09);
187 W05 = SM3_E(W05, W12, W02, W08, W15);
188 R2(C, D, A, B, G, H, E, F, 0xA1E7629E, W06, W06 ^ W10);
189 W06 = SM3_E(W06, W13, W03, W09, W00);
190 R2(B, C, D, A, F, G, H, E, 0x43CEC53D, W07, W07 ^ W11);
191 W07 = SM3_E(W07, W14, W04, W10, W01);
192 R2(A, B, C, D, E, F, G, H, 0x879D8A7A, W08, W08 ^ W12);
193 W08 = SM3_E(W08, W15, W05, W11, W02);
194 R2(D, A, B, C, H, E, F, G, 0x0F3B14F5, W09, W09 ^ W13);
195 W09 = SM3_E(W09, W00, W06, W12, W03);
196 R2(C, D, A, B, G, H, E, F, 0x1E7629EA, W10, W10 ^ W14);
197 W10 = SM3_E(W10, W01, W07, W13, W04);
198 R2(B, C, D, A, F, G, H, E, 0x3CEC53D4, W11, W11 ^ W15);
199 W11 = SM3_E(W11, W02, W08, W14, W05);
200 R2(A, B, C, D, E, F, G, H, 0x79D8A7A8, W12, W12 ^ W00);
201 W12 = SM3_E(W12, W03, W09, W15, W06);
202 R2(D, A, B, C, H, E, F, G, 0xF3B14F50, W13, W13 ^ W01);
203 W13 = SM3_E(W13, W04, W10, W00, W07);
204 R2(C, D, A, B, G, H, E, F, 0xE7629EA1, W14, W14 ^ W02);
205 W14 = SM3_E(W14, W05, W11, W01, W08);
206 R2(B, C, D, A, F, G, H, E, 0xCEC53D43, W15, W15 ^ W03);
207 W15 = SM3_E(W15, W06, W12, W02, W09);
208 R2(A, B, C, D, E, F, G, H, 0x9D8A7A87, W00, W00 ^ W04);
209 W00 = SM3_E(W00, W07, W13, W03, W10);
210 R2(D, A, B, C, H, E, F, G, 0x3B14F50F, W01, W01 ^ W05);
211 W01 = SM3_E(W01, W08, W14, W04, W11);
212 R2(C, D, A, B, G, H, E, F, 0x7629EA1E, W02, W02 ^ W06);
213 W02 = SM3_E(W02, W09, W15, W05, W12);
214 R2(B, C, D, A, F, G, H, E, 0xEC53D43C, W03, W03 ^ W07);
215 W03 = SM3_E(W03, W10, W00, W06, W13);
216 R2(A, B, C, D, E, F, G, H, 0xD8A7A879, W04, W04 ^ W08);
217 R2(D, A, B, C, H, E, F, G, 0xB14F50F3, W05, W05 ^ W09);
218 R2(C, D, A, B, G, H, E, F, 0x629EA1E7, W06, W06 ^ W10);
219 R2(B, C, D, A, F, G, H, E, 0xC53D43CE, W07, W07 ^ W11);
220 R2(A, B, C, D, E, F, G, H, 0x8A7A879D, W08, W08 ^ W12);
221 R2(D, A, B, C, H, E, F, G, 0x14F50F3B, W09, W09 ^ W13);
222 R2(C, D, A, B, G, H, E, F, 0x29EA1E76, W10, W10 ^ W14);
223 R2(B, C, D, A, F, G, H, E, 0x53D43CEC, W11, W11 ^ W15);
224 R2(A, B, C, D, E, F, G, H, 0xA7A879D8, W12, W12 ^ W00);
225 R2(D, A, B, C, H, E, F, G, 0x4F50F3B1, W13, W13 ^ W01);
226 R2(C, D, A, B, G, H, E, F, 0x9EA1E762, W14, W14 ^ W02);
227 R2(B, C, D, A, F, G, H, E, 0x3D43CEC5, W15, W15 ^ W03);
228
229 A = (m_digest[0] ^= A);
230 B = (m_digest[1] ^= B);
231 C = (m_digest[2] ^= C);
232 D = (m_digest[3] ^= D);
233 E = (m_digest[4] ^= E);
234 F = (m_digest[5] ^= F);
235 G = (m_digest[6] ^= G);
236 H = (m_digest[7] ^= H);
237
238 input += hash_block_size();
239 }
240 }
241
242/*
243* Copy out the digest
244*/
245void SM3::copy_out(uint8_t output[])
246 {
247 copy_out_vec_be(output, output_length(), m_digest);
248 }
249
250/*
251* Clear memory of sensitive data
252*/
254 {
256 std::copy(std::begin(SM3_IV), std::end(SM3_IV), m_digest.begin());
257 }
258
259}
size_t hash_block_size() const override final
Definition mdx_hash.h:35
void clear() override
Definition mdx_hash.cpp:41
std::unique_ptr< HashFunction > copy_state() const override
Definition sm3.cpp:14
void clear() override
Definition sm3.cpp:253
size_t output_length() const override
Definition sm3.h:29
SM3()
Definition sm3.h:35
fe Y
Definition ge.cpp:28
fe Z
Definition ge.cpp:29
fe X
Definition ge.cpp:27
uint32_t load_be< uint32_t >(const uint8_t in[], size_t off)
Definition loadstor.h:179
void copy_out_vec_be(uint8_t out[], size_t out_bytes, const std::vector< T, Alloc > &in)
Definition loadstor.h:673