xnu-4570.1.46.tar.gz

[apple/xnu.git] / bsd / netinet6 / esp_chachapoly.h

diff --git a/bsd/netinet6/esp_chachapoly.h b/bsd/netinet6/esp_chachapoly.h
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+++ b/bsd/netinet6/esp_chachapoly.h
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+/*
+ * Copyright (c) 2017 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#include <sys/appleapiopts.h>
+
+#ifdef BSD_KERNEL_PRIVATE
+
+#ifndef _ESP_CHACHA_POLY_H_
+#define _ESP_CHACHA_POLY_H_
+
+#define ESP_CHACHAPOLY_PAD_BOUND                       1
+#define ESP_CHACHAPOLY_IV_LEN                          8
+#define ESP_CHACHAPOLY_ICV_LEN                         16
+#define ESP_CHACHAPOLY_KEYBITS_WITH_SALT       288 /* 32 bytes key + 4 bytes salt */
+
+int esp_chachapoly_schedlen(const struct esp_algorithm *);
+int esp_chachapoly_schedule(const struct esp_algorithm *,
+                                                       struct secasvar *);
+int esp_chachapoly_encrypt(struct mbuf *, size_t, size_t, struct secasvar *,
+                                                  const struct esp_algorithm *, int);
+int esp_chachapoly_decrypt(struct mbuf *, size_t, struct secasvar *,
+                                                  const struct esp_algorithm *, int);
+int esp_chachapoly_encrypt_finalize(struct secasvar *, unsigned char *, unsigned int);
+int esp_chachapoly_decrypt_finalize(struct secasvar *, unsigned char *, unsigned int);
+int esp_chachapoly_mature(struct secasvar *);
+
+#endif /* _ESP_CHACHA_POLY_H_ */
+#endif /* BSD_KERNEL_PRIVATE */