158 	struct md4_ctx *mctx = shash_desc_ctx(desc);  in md4_init()  local
160 	mctx->hash[0] = 0x67452301;  in md4_init()
161 	mctx->hash[1] = 0xefcdab89;  in md4_init()
162 	mctx->hash[2] = 0x98badcfe;  in md4_init()
163 	mctx->hash[3] = 0x10325476;  in md4_init()
164 	mctx->byte_count = 0;  in md4_init()
171 	struct md4_ctx *mctx = shash_desc_ctx(desc);  in md4_update()  local
172 	const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);  in md4_update()
174 	mctx->byte_count += len;  in md4_update()
177 		memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),  in md4_update()
182 	memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),  in md4_update()
185 	md4_transform_helper(mctx);  in md4_update()
189 	while (len >= sizeof(mctx->block)) {  in md4_update()
190 		memcpy(mctx->block, data, sizeof(mctx->block));  in md4_update()
191 		md4_transform_helper(mctx);  in md4_update()
192 		data += sizeof(mctx->block);  in md4_update()
193 		len -= sizeof(mctx->block);  in md4_update()
196 	memcpy(mctx->block, data, len);  in md4_update()
203 	struct md4_ctx *mctx = shash_desc_ctx(desc);  in md4_final()  local
204 	const unsigned int offset = mctx->byte_count & 0x3f;  in md4_final()
205 	char *p = (char *)mctx->block + offset;  in md4_final()
211 		md4_transform_helper(mctx);  in md4_final()
212 		p = (char *)mctx->block;  in md4_final()
217 	mctx->block[14] = mctx->byte_count << 3;  in md4_final()
218 	mctx->block[15] = mctx->byte_count >> 29;  in md4_final()
219 	le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -  in md4_final()
221 	md4_transform(mctx->hash, mctx->block);  in md4_final()
222 	cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash));  in md4_final()
223 	memcpy(out, mctx->hash, sizeof(mctx->hash));  in md4_final()
224 	memset(mctx, 0, sizeof(*mctx));  in md4_final()