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43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
/*
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* Copyright 2009-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/opensslconf.h>
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#include "crypto/chacha.h"
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#include "crypto/ppc_arch.h"
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void ChaCha20_ctr32_int(unsigned char *out, const unsigned char *inp,
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size_t len, const unsigned int key[8],
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const unsigned int counter[4]);
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void ChaCha20_ctr32_vmx(unsigned char *out, const unsigned char *inp,
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size_t len, const unsigned int key[8],
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const unsigned int counter[4]);
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void ChaCha20_ctr32_vsx(unsigned char *out, const unsigned char *inp,
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size_t len, const unsigned int key[8],
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const unsigned int counter[4]);
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void ChaCha20_ctr32_vsx_p10(unsigned char *out, const unsigned char *inp,
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size_t len, const unsigned int key[8],
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const unsigned int counter[4]);
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void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp,
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size_t len, const unsigned int key[8],
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const unsigned int counter[4])
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{
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#if !defined(OPENSSL_SYS_AIX) && !defined(OPENSSL_SYS_MACOSX)
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OPENSSL_ppccap_P & PPC_BRD31
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? ChaCha20_ctr32_vsx_p10(out, inp, len, key, counter) :
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#endif
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OPENSSL_ppccap_P & PPC_CRYPTO207
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? ChaCha20_ctr32_vsx(out, inp, len, key, counter)
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: OPENSSL_ppccap_P & PPC_ALTIVEC
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? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
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: ChaCha20_ctr32_int(out, inp, len, key, counter);
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}
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