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9a65a570fa
Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
/*
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* Carry-less multiply operations.
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Copyright (C) 2023 Linaro, Ltd.
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*/
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#ifndef CRYPTO_CLMUL_H
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#define CRYPTO_CLMUL_H
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/**
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* clmul_8x8_low:
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*
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* Perform eight 8x8->8 carry-less multiplies.
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*/
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uint64_t clmul_8x8_low(uint64_t, uint64_t);
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/**
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* clmul_8x4_even:
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*
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* Perform four 8x8->16 carry-less multiplies.
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* The odd bytes of the inputs are ignored.
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*/
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uint64_t clmul_8x4_even(uint64_t, uint64_t);
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/**
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* clmul_8x4_odd:
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*
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* Perform four 8x8->16 carry-less multiplies.
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* The even bytes of the inputs are ignored.
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*/
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uint64_t clmul_8x4_odd(uint64_t, uint64_t);
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/**
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* clmul_8x4_packed:
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*
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* Perform four 8x8->16 carry-less multiplies.
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*/
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uint64_t clmul_8x4_packed(uint32_t, uint32_t);
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/**
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* clmul_16x2_even:
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*
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* Perform two 16x16->32 carry-less multiplies.
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* The odd words of the inputs are ignored.
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*/
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uint64_t clmul_16x2_even(uint64_t, uint64_t);
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/**
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* clmul_16x2_odd:
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*
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* Perform two 16x16->32 carry-less multiplies.
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* The even words of the inputs are ignored.
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*/
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uint64_t clmul_16x2_odd(uint64_t, uint64_t);
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/**
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* clmul_32:
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*
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* Perform a 32x32->64 carry-less multiply.
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*/
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uint64_t clmul_32(uint32_t, uint32_t);
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#endif /* CRYPTO_CLMUL_H */
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