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48 lines
2.0 KiB
C
48 lines
2.0 KiB
C
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/*
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* Copyright 2009-2021 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 <openssl/opensslconf.h>
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#include <openssl/types.h>
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#include "crypto/poly1305.h"
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#include "crypto/ppc_arch.h"
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void poly1305_init_int(void *ctx, const unsigned char key[16]);
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void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
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unsigned int padbit);
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void poly1305_emit(void *ctx, unsigned char mac[16],
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const unsigned int nonce[4]);
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void poly1305_init_fpu(void *ctx, const unsigned char key[16]);
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void poly1305_blocks_fpu(void *ctx, const unsigned char *inp, size_t len,
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unsigned int padbit);
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void poly1305_emit_fpu(void *ctx, unsigned char mac[16],
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const unsigned int nonce[4]);
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void poly1305_init_vsx(void *ctx, const unsigned char key[16]);
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void poly1305_blocks_vsx(void *ctx, const unsigned char *inp, size_t len,
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unsigned int padbit);
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void poly1305_emit_vsx(void *ctx, unsigned char mac[16],
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const unsigned int nonce[4]);
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int poly1305_init(void *ctx, const unsigned char key[16], void *func[2]);
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int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
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{
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if (OPENSSL_ppccap_P & PPC_CRYPTO207) {
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poly1305_init_int(ctx, key);
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func[0] = (void*)(uintptr_t)poly1305_blocks_vsx;
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func[1] = (void*)(uintptr_t)poly1305_emit;
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} else if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
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poly1305_init_fpu(ctx, key);
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func[0] = (void*)(uintptr_t)poly1305_blocks_fpu;
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func[1] = (void*)(uintptr_t)poly1305_emit_fpu;
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} else {
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poly1305_init_int(ctx, key);
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func[0] = (void*)(uintptr_t)poly1305_blocks;
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func[1] = (void*)(uintptr_t)poly1305_emit;
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}
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return 1;
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}
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