64 using namespace SHA1_F;
66#if defined(BOTAN_HAS_SHA1_X86_SHA_NI)
67 if(CPUID::has_intel_sha()) {
72#if defined(BOTAN_HAS_SHA1_ARMV8)
73 if(CPUID::has_arm_sha1()) {
78#if defined(BOTAN_HAS_SHA1_SSE2)
79 if(CPUID::has_sse2()) {
85 uint32_t A = digest[0], B = digest[1], C = digest[2], D = digest[3], E = digest[4];
86 std::array<uint32_t, 80> W;
90 for(
size_t i = 0; i != blocks; ++i) {
93 for(
size_t j = 16; j != 80; j += 8) {
94 W[j] = rotl<1>(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16]);
95 W[j + 1] = rotl<1>(W[j - 2] ^ W[j - 7] ^ W[j - 13] ^ W[j - 15]);
96 W[j + 2] = rotl<1>(W[j - 1] ^ W[j - 6] ^ W[j - 12] ^ W[j - 14]);
97 W[j + 3] = rotl<1>(W[j] ^ W[j - 5] ^ W[j - 11] ^ W[j - 13]);
98 W[j + 4] = rotl<1>(W[j + 1] ^ W[j - 4] ^ W[j - 10] ^ W[j - 12]);
99 W[j + 5] = rotl<1>(W[j + 2] ^ W[j - 3] ^ W[j - 9] ^ W[j - 11]);
100 W[j + 6] = rotl<1>(W[j + 3] ^ W[j - 2] ^ W[j - 8] ^ W[j - 10]);
101 W[j + 7] = rotl<1>(W[j + 4] ^ W[j - 1] ^ W[j - 7] ^ W[j - 9]);
104 F1(A, B, C, D, E, W[0]);
105 F1(E, A, B, C, D, W[1]);
106 F1(D, E, A, B, C, W[2]);
107 F1(C, D, E, A, B, W[3]);
108 F1(B, C, D, E, A, W[4]);
109 F1(A, B, C, D, E, W[5]);
110 F1(E, A, B, C, D, W[6]);
111 F1(D, E, A, B, C, W[7]);
112 F1(C, D, E, A, B, W[8]);
113 F1(B, C, D, E, A, W[9]);
114 F1(A, B, C, D, E, W[10]);
115 F1(E, A, B, C, D, W[11]);
116 F1(D, E, A, B, C, W[12]);
117 F1(C, D, E, A, B, W[13]);
118 F1(B, C, D, E, A, W[14]);
119 F1(A, B, C, D, E, W[15]);
120 F1(E, A, B, C, D, W[16]);
121 F1(D, E, A, B, C, W[17]);
122 F1(C, D, E, A, B, W[18]);
123 F1(B, C, D, E, A, W[19]);
125 F2(A, B, C, D, E, W[20]);
126 F2(E, A, B, C, D, W[21]);
127 F2(D, E, A, B, C, W[22]);
128 F2(C, D, E, A, B, W[23]);
129 F2(B, C, D, E, A, W[24]);
130 F2(A, B, C, D, E, W[25]);
131 F2(E, A, B, C, D, W[26]);
132 F2(D, E, A, B, C, W[27]);
133 F2(C, D, E, A, B, W[28]);
134 F2(B, C, D, E, A, W[29]);
135 F2(A, B, C, D, E, W[30]);
136 F2(E, A, B, C, D, W[31]);
137 F2(D, E, A, B, C, W[32]);
138 F2(C, D, E, A, B, W[33]);
139 F2(B, C, D, E, A, W[34]);
140 F2(A, B, C, D, E, W[35]);
141 F2(E, A, B, C, D, W[36]);
142 F2(D, E, A, B, C, W[37]);
143 F2(C, D, E, A, B, W[38]);
144 F2(B, C, D, E, A, W[39]);
146 F3(A, B, C, D, E, W[40]);
147 F3(E, A, B, C, D, W[41]);
148 F3(D, E, A, B, C, W[42]);
149 F3(C, D, E, A, B, W[43]);
150 F3(B, C, D, E, A, W[44]);
151 F3(A, B, C, D, E, W[45]);
152 F3(E, A, B, C, D, W[46]);
153 F3(D, E, A, B, C, W[47]);
154 F3(C, D, E, A, B, W[48]);
155 F3(B, C, D, E, A, W[49]);
156 F3(A, B, C, D, E, W[50]);
157 F3(E, A, B, C, D, W[51]);
158 F3(D, E, A, B, C, W[52]);
159 F3(C, D, E, A, B, W[53]);
160 F3(B, C, D, E, A, W[54]);
161 F3(A, B, C, D, E, W[55]);
162 F3(E, A, B, C, D, W[56]);
163 F3(D, E, A, B, C, W[57]);
164 F3(C, D, E, A, B, W[58]);
165 F3(B, C, D, E, A, W[59]);
167 F4(A, B, C, D, E, W[60]);
168 F4(E, A, B, C, D, W[61]);
169 F4(D, E, A, B, C, W[62]);
170 F4(C, D, E, A, B, W[63]);
171 F4(B, C, D, E, A, W[64]);
172 F4(A, B, C, D, E, W[65]);
173 F4(E, A, B, C, D, W[66]);
174 F4(D, E, A, B, C, W[67]);
175 F4(C, D, E, A, B, W[68]);
176 F4(B, C, D, E, A, W[69]);
177 F4(A, B, C, D, E, W[70]);
178 F4(E, A, B, C, D, W[71]);
179 F4(D, E, A, B, C, W[72]);
180 F4(C, D, E, A, B, W[73]);
181 F4(B, C, D, E, A, W[74]);
182 F4(A, B, C, D, E, W[75]);
183 F4(E, A, B, C, D, W[76]);
184 F4(D, E, A, B, C, W[77]);
185 F4(C, D, E, A, B, W[78]);
186 F4(B, C, D, E, A, W[79]);
188 A = (digest[0] += A);
189 B = (digest[1] += B);
190 C = (digest[2] += C);
191 D = (digest[3] += D);
192 E = (digest[4] += E);