126 int cifs_md4_init(struct md4_ctx *mctx)  in cifs_md4_init()  argument
128 	memset(mctx, 0, sizeof(struct md4_ctx));  in cifs_md4_init()
129 	mctx->hash[0] = 0x67452301;  in cifs_md4_init()
130 	mctx->hash[1] = 0xefcdab89;  in cifs_md4_init()
131 	mctx->hash[2] = 0x98badcfe;  in cifs_md4_init()
132 	mctx->hash[3] = 0x10325476;  in cifs_md4_init()
133 	mctx->byte_count = 0;  in cifs_md4_init()
139 int cifs_md4_update(struct md4_ctx *mctx, const u8 *data, unsigned int len)  in cifs_md4_update()  argument
141 	const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f);  in cifs_md4_update()
143 	mctx->byte_count += len;  in cifs_md4_update()
146 		memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),  in cifs_md4_update()
151 	memcpy((char *)mctx->block + (sizeof(mctx->block) - avail),  in cifs_md4_update()
154 	md4_transform_helper(mctx);  in cifs_md4_update()
158 	while (len >= sizeof(mctx->block)) {  in cifs_md4_update()
159 		memcpy(mctx->block, data, sizeof(mctx->block));  in cifs_md4_update()
160 		md4_transform_helper(mctx);  in cifs_md4_update()
161 		data += sizeof(mctx->block);  in cifs_md4_update()
162 		len -= sizeof(mctx->block);  in cifs_md4_update()
165 	memcpy(mctx->block, data, len);  in cifs_md4_update()
171 int cifs_md4_final(struct md4_ctx *mctx, u8 *out)  in cifs_md4_final()  argument
173 	const unsigned int offset = mctx->byte_count & 0x3f;  in cifs_md4_final()
174 	char *p = (char *)mctx->block + offset;  in cifs_md4_final()
180 		md4_transform_helper(mctx);  in cifs_md4_final()
181 		p = (char *)mctx->block;  in cifs_md4_final()
186 	mctx->block[14] = mctx->byte_count << 3;  in cifs_md4_final()
187 	mctx->block[15] = mctx->byte_count >> 29;  in cifs_md4_final()
188 	le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -  in cifs_md4_final()
190 	md4_transform(mctx->hash, mctx->block);  in cifs_md4_final()
191 	cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash));  in cifs_md4_final()
192 	memcpy(out, mctx->hash, sizeof(mctx->hash));  in cifs_md4_final()
193 	memset(mctx, 0, sizeof(*mctx));  in cifs_md4_final()