Initial commit of BoringSSL for Android.
diff --git a/src/include/openssl/ecdh.h b/src/include/openssl/ecdh.h
new file mode 100644
index 0000000..46cf839
--- /dev/null
+++ b/src/include/openssl/ecdh.h
@@ -0,0 +1,103 @@
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com). */
+
+#ifndef OPENSSL_HEADER_ECDH_H
+#define OPENSSL_HEADER_ECDH_H
+
+#include <openssl/base.h>
+
+#include <openssl/ec_key.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/* Elliptic curve Diffie-Hellman. */
+
+
+/* ECDH_compute_key calculates the shared key between |pub_key| and |priv_key|.
+ * If |KDF| is not NULL, then it is called with the bytes of the shared key and
+ * the parameter |out|. When |KDF| returns, the value of |*outlen| becomes the
+ * return value. Otherwise, as many bytes of the shared key as will fit are
+ * copied directly to, at most, |outlen| bytes at |out|. It returns the number
+ * of bytes written to |out|, or -1 on error. */
+OPENSSL_EXPORT int ECDH_compute_key(void *out, size_t outlen,
+ const EC_POINT *pub_key, EC_KEY *priv_key,
+ void *(*KDF)(const void *in, size_t inlen,
+ void *out, size_t *outlen));
+
+
+#if defined(__cplusplus)
+} /* extern C */
+#endif
+
+#define ECDH_F_ECDH_compute_key 100
+#define ECDH_R_POINT_ARITHMETIC_FAILURE 100
+#define ECDH_R_KDF_FAILED 101
+#define ECDH_R_NO_PRIVATE_VALUE 102
+
+#endif /* OPENSSL_HEADER_ECDH_H */