77 const uint8_t input[],
size_t blocks)
79#if defined(BOTAN_HAS_SHA2_32_X86)
80 if(CPUID::has_intel_sha())
82 return SHA_256::compress_digest_x86(digest, input, blocks);
86#if defined(BOTAN_HAS_SHA2_32_X86_BMI2)
89 return SHA_256::compress_digest_x86_bmi2(digest, input, blocks);
93#if defined(BOTAN_HAS_SHA2_32_ARMV8)
94 if(CPUID::has_arm_sha2())
96 return SHA_256::compress_digest_armv8(digest, input, blocks);
100 uint32_t A = digest[0], B = digest[1], C = digest[2],
101 D = digest[3], E = digest[4], F = digest[5],
102 G = digest[6], H = digest[7];
104 for(
size_t i = 0; i != blocks; ++i)
123 SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x428A2F98);
124 SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x71374491);
125 SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0xB5C0FBCF);
126 SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0xE9B5DBA5);
127 SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x3956C25B);
128 SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x59F111F1);
129 SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x923F82A4);
130 SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0xAB1C5ED5);
131 SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xD807AA98);
132 SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x12835B01);
133 SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x243185BE);
134 SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x550C7DC3);
135 SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x72BE5D74);
136 SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0x80DEB1FE);
137 SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x9BDC06A7);
138 SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC19BF174);
140 SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0xE49B69C1);
141 SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0xEFBE4786);
142 SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x0FC19DC6);
143 SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x240CA1CC);
144 SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x2DE92C6F);
145 SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4A7484AA);
146 SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5CB0A9DC);
147 SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x76F988DA);
148 SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x983E5152);
149 SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA831C66D);
150 SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xB00327C8);
151 SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xBF597FC7);
152 SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xC6E00BF3);
153 SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD5A79147);
154 SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x06CA6351);
155 SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x14292967);
157 SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x27B70A85);
158 SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x2E1B2138);
159 SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x4D2C6DFC);
160 SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x53380D13);
161 SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x650A7354);
162 SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x766A0ABB);
163 SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x81C2C92E);
164 SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x92722C85);
165 SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xA2BFE8A1);
166 SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA81A664B);
167 SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xC24B8B70);
168 SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xC76C51A3);
169 SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xD192E819);
170 SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD6990624);
171 SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xF40E3585);
172 SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x106AA070);
174 SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x19A4C116);
175 SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x1E376C08);
176 SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x2748774C);
177 SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x34B0BCB5);
178 SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x391C0CB3);
179 SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4ED8AA4A);
180 SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5B9CCA4F);
181 SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x682E6FF3);
182 SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x748F82EE);
183 SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x78A5636F);
184 SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x84C87814);
185 SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x8CC70208);
186 SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x90BEFFFA);
187 SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xA4506CEB);
188 SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xBEF9A3F7);
189 SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC67178F2);
191 A = (digest[0] += A);
192 B = (digest[1] += B);
193 C = (digest[2] += C);
194 D = (digest[3] += D);
195 E = (digest[4] += E);
196 F = (digest[5] += F);
197 G = (digest[6] += G);
198 H = (digest[7] += H);