xnu-4570.1.46.tar.gz

[apple/xnu.git] / libkern / crypto / corecrypto_chacha20poly1305.c

diff --git a/libkern/crypto/corecrypto_chacha20poly1305.c b/libkern/crypto/corecrypto_chacha20poly1305.c
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+++ b/libkern/crypto/corecrypto_chacha20poly1305.c
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+/*
+ * Copyright (c) 2017 Apple Computer, 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 <corecrypto/ccchacha20poly1305.h>
+#include <libkern/crypto/crypto_internal.h>
+#include <libkern/crypto/chacha20poly1305.h>
+
+static ccchacha20poly1305_fns_t fns(void)
+{
+    return g_crypto_funcs->ccchacha20poly1305_fns;
+}
+
+static const struct ccchacha20poly1305_info *info(void)
+{
+    return fns()->info();
+}
+
+int    chacha20poly1305_init(chacha20poly1305_ctx *ctx, const uint8_t *key)
+{
+    return fns()->init(info(), ctx, key);
+}
+
+int chacha20poly1305_reset(chacha20poly1305_ctx *ctx)
+{
+    return fns()->reset(info(), ctx);
+}
+
+int chacha20poly1305_setnonce(chacha20poly1305_ctx *ctx, const uint8_t *nonce)
+{
+    return fns()->setnonce(info(), ctx, nonce);
+}
+
+int chacha20poly1305_incnonce(chacha20poly1305_ctx *ctx, uint8_t *nonce)
+{
+    return fns()->incnonce(info(), ctx, nonce);
+}
+
+int    chacha20poly1305_aad(chacha20poly1305_ctx *ctx, size_t nbytes, const void *aad)
+{
+    return fns()->aad(info(), ctx, nbytes, aad);
+}
+
+int    chacha20poly1305_encrypt(chacha20poly1305_ctx *ctx, size_t nbytes, const void *ptext, void *ctext)
+{
+    return fns()->encrypt(info(), ctx, nbytes, ptext, ctext);
+}
+
+int    chacha20poly1305_finalize(chacha20poly1305_ctx *ctx, uint8_t *tag)
+{
+    return fns()->finalize(info(), ctx, tag);
+}
+
+int    chacha20poly1305_decrypt(chacha20poly1305_ctx *ctx, size_t nbytes, const void *ctext, void *ptext)
+{
+    return fns()->decrypt(info(), ctx, nbytes, ctext, ptext);
+}
+
+int    chacha20poly1305_verify(chacha20poly1305_ctx *ctx, const uint8_t *tag)
+{
+    return fns()->verify(info(), ctx, tag);
+}