1 files changed, 47 insertions, 0 deletions

diff --git a/src/lib/libcrypto/acss/acss.h b/src/lib/libcrypto/acss/acss.h
new file mode 100644
index 0000000000..c2d3550796
--- /dev/null
+++ b/src/lib/libcrypto/acss/acss.h
@@ -0,0 +1,47 @@
+/*      $OpenBSD: acss.h,v 1.4 2005/04/25 13:20:52 miod Exp $   */
+/*
+ * Copyright (c) 2004 The OpenBSD project
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _ACSS_H_
+#define _ACSS_H_
+
+#ifdef OPENSSL_NO_ACSS
+#error acss is disabled.
+#endif
+
+/* 40bit key */
+#define ACSS_KEYSIZE            5
+
+/* modes of acss */
+#define ACSS_MODE0              0
+#define ACSS_MODE1              1
+#define ACSS_MODE2              2
+#define ACSS_MODE3              3
+
+typedef struct acss_key_st {
+        unsigned int    lfsr17;         /* current state of lfsrs */
+        unsigned int    lfsr25;
+        unsigned int    lfsrsum;
+        unsigned char   seed[ACSS_KEYSIZE];
+        unsigned char   data[ACSS_KEYSIZE];
+        int             encrypt;
+        int             mode;
+} ACSS_KEY;
+
+void acss_setkey(ACSS_KEY *, const unsigned char *, int, int);
+void acss(ACSS_KEY *, unsigned long, const unsigned char *, unsigned char *);
+
+#endif /* ifndef _ACSS_H_ */