| /* |
| * Copyright 2009-2022 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <openssl/opensslconf.h> |
| #include "crypto/chacha.h" |
| #include "crypto/ppc_arch.h" |
| |
| void ChaCha20_ctr32_int(unsigned char *out, const unsigned char *inp, |
| size_t len, const unsigned int key[8], |
| const unsigned int counter[4]); |
| void ChaCha20_ctr32_vmx(unsigned char *out, const unsigned char *inp, |
| size_t len, const unsigned int key[8], |
| const unsigned int counter[4]); |
| void ChaCha20_ctr32_vsx(unsigned char *out, const unsigned char *inp, |
| size_t len, const unsigned int key[8], |
| const unsigned int counter[4]); |
| void ChaCha20_ctr32_vsx_p10(unsigned char *out, const unsigned char *inp, |
| size_t len, const unsigned int key[8], |
| const unsigned int counter[4]); |
| void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp, |
| size_t len, const unsigned int key[8], |
| const unsigned int counter[4]) |
| { |
| OPENSSL_ppccap_P & PPC_BRD31 |
| ? ChaCha20_ctr32_vsx_p10(out, inp, len, key, counter) |
| :OPENSSL_ppccap_P & PPC_CRYPTO207 |
| ? ChaCha20_ctr32_vsx(out, inp, len, key, counter) |
| : OPENSSL_ppccap_P & PPC_ALTIVEC |
| ? ChaCha20_ctr32_vmx(out, inp, len, key, counter) |
| : ChaCha20_ctr32_int(out, inp, len, key, counter); |
| } |