1 files changed, 32 insertions, 0 deletions
diff --git a/freebsd/sys/crypto/chacha20/chacha.h b/freebsd/sys/crypto/chacha20/chacha.h
new file mode 100644
index 00000000..02106eaa
--- /dev/null
+++ b/freebsd/sys/crypto/chacha20/chacha.h
@@ -0,0 +1,32 @@
+/* $OpenBSD: chacha.h,v 1.4 2016/08/27 04:04:56 guenther Exp $ */
+
+/*
+chacha-merged.c version 20080118
+D. J. Bernstein
+Public domain.
+
+ $FreeBSD$
+*/
+
+#ifndef CHACHA_H
+#define CHACHA_H
+
+#include <sys/types.h>
+
+struct chacha_ctx {
+	u_int input[16];
+};
+
+#define CHACHA_MINKEYLEN 	16
+#define CHACHA_NONCELEN		8
+#define CHACHA_CTRLEN		8
+#define CHACHA_STATELEN		(CHACHA_NONCELEN+CHACHA_CTRLEN)
+#define CHACHA_BLOCKLEN		64
+
+void chacha_keysetup(struct chacha_ctx *x, const u_char *k, u_int kbits);
+void chacha_ivsetup(struct chacha_ctx *x, const u_char *iv, const u_char *ctr);
+void chacha_encrypt_bytes(struct chacha_ctx *x, const u_char *m,
+    u_char *c, u_int bytes);
+
+#endif	/* CHACHA_H */
+