linux-master/crypto/md4.c

141 	struct md4_ctx *mctx = shash_desc_ctx(desc);
143 	mctx->hash[0] = 0x67452301;
144 	mctx->hash[1] = 0xefcdab89;
145 	mctx->hash[2] = 0x98badcfe;
146 	mctx->hash[3] = 0x10325476;
147 	mctx->byte_count = 0;
154 	struct md4_ctx *mctx = shash_desc_ctx(desc);
155 	const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);
157 	mctx->byte_count += len;
160 		memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
165 	memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),
168 	md4_transform_helper(mctx);
172 	while (len >= sizeof(mctx->block)) {
173 		memcpy(mctx->block, data, sizeof(mctx->block));
174 		md4_transform_helper(mctx);
175 		data += sizeof(mctx->block);
176 		len -= sizeof(mctx->block);
179 	memcpy(mctx->block, data, len);
186 	struct md4_ctx *mctx = shash_desc_ctx(desc);
187 	const unsigned int offset = mctx->byte_count & 0x3f;
188 	char *p = (char *)mctx->block + offset;
194 		md4_transform_helper(mctx);
195 		p = (char *)mctx->block;
200 	mctx->block[14] = mctx->byte_count << 3;
201 	mctx->block[15] = mctx->byte_count >> 29;
202 	le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -
204 	md4_transform(mctx->hash, mctx->block);
205 	cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash));
206 	memcpy(out, mctx->hash, sizeof(mctx->hash));
207 	memset(mctx, 0, sizeof(*mctx));