/* Copyright (c) 2018, 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_INTERNAL #define OPENSSL_HEADER_CHACHA_INTERNAL #include <openssl/base.h> #if defined(__cplusplus) extern "C" { #endif // CRYPTO_hchacha20 computes the HChaCha20 function, which should only be used // as part of XChaCha20. void CRYPTO_hchacha20(uint8_t out[32], const uint8_t key[32], const uint8_t nonce[16]); #if !defined(OPENSSL_NO_ASM) && \ (defined(OPENSSL_X86) || defined(OPENSSL_X86_64) || \ defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)) #define CHACHA20_ASM // ChaCha20_ctr32 is defined in asm/chacha-*.pl. void ChaCha20_ctr32(uint8_t *out, const uint8_t *in, size_t in_len, const uint32_t key[8], const uint32_t counter[4]); #endif #if defined(__cplusplus) } // extern C #endif #endif // OPENSSL_HEADER_CHACHA_INTERNAL