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      1 /* Copyright (c) 2015, Google Inc.
      2  *
      3  * Permission to use, copy, modify, and/or distribute this software for any
      4  * purpose with or without fee is hereby granted, provided that the above
      5  * copyright notice and this permission notice appear in all copies.
      6  *
      7  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      8  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      9  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     10  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     11  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
     12  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     13  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
     14 
     15 #ifndef OPENSSL_HEADER_CURVE25519_INTERNAL_H
     16 #define OPENSSL_HEADER_CURVE25519_INTERNAL_H
     17 
     18 #if defined(__cplusplus)
     19 extern "C" {
     20 #endif
     21 
     22 
     23 #if defined(OPENSSL_X86_64) && !defined(OPENSSL_SMALL) && \
     24     !defined(OPENSSL_WINDOWS) && !defined(OPENSSL_NO_ASM)
     25 #define BORINGSSL_X25519_X86_64
     26 
     27 void x25519_x86_64(uint8_t out[32], const uint8_t scalar[32],
     28                    const uint8_t point[32]);
     29 #endif
     30 
     31 
     32 #if defined(OPENSSL_ARM) && !defined(OPENSSL_NO_ASM)
     33 #define BORINGSSL_X25519_NEON
     34 
     35 /* x25519_NEON is defined in asm/x25519-arm.S. */
     36 void x25519_NEON(uint8_t out[32], const uint8_t scalar[32],
     37                  const uint8_t point[32]);
     38 #endif
     39 
     40 
     41 #if defined(__cplusplus)
     42 }  /* extern C */
     43 #endif
     44 
     45 #endif  /* OPENSSL_HEADER_CURVE25519_INTERNAL_H */
     46