1 files changed, 48 insertions, 0 deletions
diff --git a/sys/dev/if_wg/include/zinc/chacha20poly1305.h b/sys/dev/if_wg/include/zinc/chacha20poly1305.h
new file mode 100644
index 0000000000000..2d18b0fc3e828
--- /dev/null
+++ b/sys/dev/if_wg/include/zinc/chacha20poly1305.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef _ZINC_CHACHA20POLY1305_H
+#define _ZINC_CHACHA20POLY1305_H
+
+#include <sys/types.h>
+
+struct scatterlist;
+
+enum chacha20poly1305_lengths {
+	XCHACHA20POLY1305_NONCE_SIZE = 24,
+	CHACHA20POLY1305_KEY_SIZE = 32,
+	CHACHA20POLY1305_AUTHTAG_SIZE = 16
+};
+
+void chacha20poly1305_encrypt(uint8_t *dst, const uint8_t *src, const size_t src_len,
+			      const uint8_t *ad, const size_t ad_len,
+			      const uint64_t nonce,
+			      const uint8_t key[CHACHA20POLY1305_KEY_SIZE]);
+
+bool chacha20poly1305_encrypt_sg_inplace(
+	struct scatterlist *src, const size_t src_len, const uint8_t *ad,
+	const size_t ad_len, const uint64_t nonce,
+	const uint8_t key[CHACHA20POLY1305_KEY_SIZE], simd_context_t *simd_context);
+
+bool chacha20poly1305_decrypt(uint8_t *dst, const uint8_t *src, const size_t src_len,
+			 const uint8_t *ad, const size_t ad_len, const uint64_t nonce,
+			 const uint8_t key[CHACHA20POLY1305_KEY_SIZE]);
+
+bool chacha20poly1305_decrypt_sg_inplace(
+	struct scatterlist *src, size_t src_len, const uint8_t *ad,
+	const size_t ad_len, const uint64_t nonce,
+	const uint8_t key[CHACHA20POLY1305_KEY_SIZE], simd_context_t *simd_context);
+
+void xchacha20poly1305_encrypt(uint8_t *dst, const uint8_t *src, const size_t src_len,
+			       const uint8_t *ad, const size_t ad_len,
+			       const uint8_t nonce[XCHACHA20POLY1305_NONCE_SIZE],
+			       const uint8_t key[CHACHA20POLY1305_KEY_SIZE]);
+
+bool xchacha20poly1305_decrypt(
+	uint8_t *dst, const uint8_t *src, const size_t src_len, const uint8_t *ad,
+	const size_t ad_len, const uint8_t nonce[XCHACHA20POLY1305_NONCE_SIZE],
+	const uint8_t key[CHACHA20POLY1305_KEY_SIZE]);
+
+#endif /* _ZINC_CHACHA20POLY1305_H */