engines/ccgost/gost89.c

142 	register word32 n1, n2; /* As named in the GOST */
143 	n1 = in[0]|(in[1]<<8)|(in[2]<<16)|(in[3]<<24);
147 	n2 ^= f(c,n1+c->k[0]); n1 ^= f(c,n2+c->k[1]);
148 	n2 ^= f(c,n1+c->k[2]); n1 ^= f(c,n2+c->k[3]);
149 	n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
150 	n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
152 	n2 ^= f(c,n1+c->k[0]); n1 ^= f(c,n2+c->k[1]);
153 	n2 ^= f(c,n1+c->k[2]); n1 ^= f(c,n2+c->k[3]);
154 	n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
155 	n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
157 	n2 ^= f(c,n1+c->k[0]); n1 ^= f(c,n2+c->k[1]);
158 	n2 ^= f(c,n1+c->k[2]); n1 ^= f(c,n2+c->k[3]);
159 	n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
160 	n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
162 	n2 ^= f(c,n1+c->k[7]); n1 ^= f(c,n2+c->k[6]);
163 	n2 ^= f(c,n1+c->k[5]); n1 ^= f(c,n2+c->k[4]);
164 	n2 ^= f(c,n1+c->k[3]); n1 ^= f(c,n2+c->k[2]);
165 	n2 ^= f(c,n1+c->k[1]); n1 ^= f(c,n2+c->k[0]);
169 	out[4] = (byte)(n1&0xff);  out[5] = (byte)((n1>>8)&0xff);
170 	out[6] = (byte)((n1>>16)&0xff); out[7] = (byte)(n1>>24);
175 	register word32 n1, n2; /* As named in the GOST */
176 	n1 = in[0]|(in[1]<<8)|(in[2]<<16)|(in[3]<<24);
179 	n2 ^= f(c,n1+c->k[0]); n1 ^= f(c,n2+c->k[1]);
180 	n2 ^= f(c,n1+c->k[2]); n1 ^= f(c,n2+c->k[3]);
181 	n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
182 	n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
184 	n2 ^= f(c,n1+c->k[7]); n1 ^= f(c,n2+c->k[6]);
185 	n2 ^= f(c,n1+c->k[5]); n1 ^= f(c,n2+c->k[4]);
186 	n2 ^= f(c,n1+c->k[3]); n1 ^= f(c,n2+c->k[2]);
187 	n2 ^= f(c,n1+c->k[1]); n1 ^= f(c,n2+c->k[0]);
189 	n2 ^= f(c,n1+c->k[7]); n1 ^= f(c,n2+c->k[6]);
190 	n2 ^= f(c,n1+c->k[5]); n1 ^= f(c,n2+c->k[4]);
191 	n2 ^= f(c,n1+c->k[3]); n1 ^= f(c,n2+c->k[2]);
192 	n2 ^= f(c,n1+c->k[1]); n1 ^= f(c,n2+c->k[0]);
194 	n2 ^= f(c,n1+c->k[7]); n1 ^= f(c,n2+c->k[6]);
195 	n2 ^= f(c,n1+c->k[5]); n1 ^= f(c,n2+c->k[4]);
196 	n2 ^= f(c,n1+c->k[3]); n1 ^= f(c,n2+c->k[2]);
197 	n2 ^= f(c,n1+c->k[1]); n1 ^= f(c,n2+c->k[0]);
201 	out[4] = (byte)(n1&0xff);  out[5] = (byte)((n1>>8)&0xff);
202 	out[6] = (byte)((n1>>16)&0xff); out[7] = (byte)(n1>>24);
320 	register word32 n1, n2; /* As named in the GOST */
326 	n1 = buffer[0]|(buffer[1]<<8)|(buffer[2]<<16)|(buffer[3]<<24);
330 	n2 ^= f(c,n1+c->k[0]); n1 ^= f(c,n2+c->k[1]);
331 	n2 ^= f(c,n1+c->k[2]); n1 ^= f(c,n2+c->k[3]);
332 	n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
333 	n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
335 	n2 ^= f(c,n1+c->k[0]); n1 ^= f(c,n2+c->k[1]);
336 	n2 ^= f(c,n1+c->k[2]); n1 ^= f(c,n2+c->k[3]);
337 	n2 ^= f(c,n1+c->k[4]); n1 ^= f(c,n2+c->k[5]);
338 	n2 ^= f(c,n1+c->k[6]); n1 ^= f(c,n2+c->k[7]);
340 	buffer[0] = (byte)(n1&0xff);  buffer[1] = (byte)((n1>>8)&0xff);
341 	buffer[2] = (byte)((n1>>16)&0xff); buffer[3] = (byte)(n1>>24);