106     uint32_t working_state[16];  in chacha20_block()  local
109     memcpy(working_state,  in chacha20_block()
114         chacha20_inner_block(working_state);  in chacha20_block()
117     working_state[0] += initial_state[0];  in chacha20_block()
118     working_state[1] += initial_state[1];  in chacha20_block()
119     working_state[2] += initial_state[2];  in chacha20_block()
120     working_state[3] += initial_state[3];  in chacha20_block()
121     working_state[4] += initial_state[4];  in chacha20_block()
122     working_state[5] += initial_state[5];  in chacha20_block()
123     working_state[6] += initial_state[6];  in chacha20_block()
124     working_state[7] += initial_state[7];  in chacha20_block()
125     working_state[8] += initial_state[8];  in chacha20_block()
126     working_state[9] += initial_state[9];  in chacha20_block()
127     working_state[10] += initial_state[10];  in chacha20_block()
128     working_state[11] += initial_state[11];  in chacha20_block()
129     working_state[12] += initial_state[12];  in chacha20_block()
130     working_state[13] += initial_state[13];  in chacha20_block()
131     working_state[14] += initial_state[14];  in chacha20_block()
132     working_state[15] += initial_state[15];  in chacha20_block()
137         MBEDTLS_PUT_UINT32_LE(working_state[i], keystream, offset);  in chacha20_block()
140     mbedtls_platform_zeroize(working_state, sizeof(working_state));  in chacha20_block()