Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / third_party / boringssl / include / openssl / chacha.h

diff --git a/legacy-libs/grpc/deps/grpc/third_party/boringssl/include/openssl/chacha.h b/legacy-libs/grpc/deps/grpc/third_party/boringssl/include/openssl/chacha.h
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+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or 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 OPENSSL_HEADER_CHACHA_H
+#define OPENSSL_HEADER_CHACHA_H
+
+#include <openssl/base.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+// ChaCha20.
+//
+// ChaCha20 is a stream cipher. See https://tools.ietf.org/html/rfc7539.
+
+
+// CRYPTO_chacha_20 encrypts |in_len| bytes from |in| with the given key and
+// nonce and writes the result to |out|. If |in| and |out| alias, they must be
+// equal. The initial block counter is specified by |counter|.
+OPENSSL_EXPORT void CRYPTO_chacha_20(uint8_t *out, const uint8_t *in,
+                                     size_t in_len, const uint8_t key[32],
+                                     const uint8_t nonce[12], uint32_t counter);
+
+
+#if defined(__cplusplus)
+}  // extern C
+#endif
+
+#endif  // OPENSSL_HEADER_CHACHA_H