160 static void md4_init(struct md4_ctx *mctx)  in md4_init()  argument
162 	mctx->hash[0] = 0x67452301;  in md4_init()
163 	mctx->hash[1] = 0xefcdab89;  in md4_init()
164 	mctx->hash[2] = 0x98badcfe;  in md4_init()
165 	mctx->hash[3] = 0x10325476;  in md4_init()
166 	mctx->byte_count = 0;  in md4_init()
169 static void md4_update(struct md4_ctx *mctx,  in md4_update()  argument
172 	const uint32_t 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()
199 static void md4_final_ascii(struct md4_ctx *mctx, char *out, unsigned int len)  in md4_final_ascii()  argument
201 	const unsigned int offset = mctx->byte_count & 0x3f;  in md4_final_ascii()
202 	char *p = (char *)mctx->block + offset;  in md4_final_ascii()
208 		md4_transform_helper(mctx);  in md4_final_ascii()
209 		p = (char *)mctx->block;  in md4_final_ascii()
214 	mctx->block[14] = mctx->byte_count << 3;  in md4_final_ascii()
215 	mctx->block[15] = mctx->byte_count >> 29;  in md4_final_ascii()
216 	le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -  in md4_final_ascii()
218 	md4_transform(mctx->hash, mctx->block);  in md4_final_ascii()
219 	cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(uint32_t));  in md4_final_ascii()
222 		 mctx->hash[0], mctx->hash[1], mctx->hash[2], mctx->hash[3]);  in md4_final_ascii()