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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e151a8d28c
Convert the x86 implementations of MORUS-1280 to use the AEAD SIMD helpers, rather than hand-rolling the same functionality. This simplifies the code and also fixes the bug where the user-provided aead_request is modified. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
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* The MORUS-1280 Authenticated-Encryption Algorithm
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* Glue for AVX2 implementation
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*
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* Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
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* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <crypto/internal/aead.h>
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#include <crypto/internal/simd.h>
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#include <crypto/morus1280_glue.h>
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#include <linux/module.h>
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#include <asm/fpu/api.h>
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#include <asm/cpu_device_id.h>
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asmlinkage void crypto_morus1280_avx2_init(void *state, const void *key,
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const void *iv);
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asmlinkage void crypto_morus1280_avx2_ad(void *state, const void *data,
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unsigned int length);
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asmlinkage void crypto_morus1280_avx2_enc(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus1280_avx2_dec(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus1280_avx2_enc_tail(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus1280_avx2_dec_tail(void *state, const void *src,
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void *dst, unsigned int length);
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asmlinkage void crypto_morus1280_avx2_final(void *state, void *tag_xor,
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u64 assoclen, u64 cryptlen);
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MORUS1280_DECLARE_ALG(avx2, "morus1280-avx2", 400);
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static struct simd_aead_alg *simd_alg;
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static int __init crypto_morus1280_avx2_module_init(void)
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{
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if (!boot_cpu_has(X86_FEATURE_AVX2) ||
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!boot_cpu_has(X86_FEATURE_OSXSAVE) ||
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!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL))
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return -ENODEV;
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return simd_register_aeads_compat(&crypto_morus1280_avx2_alg, 1,
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&simd_alg);
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}
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static void __exit crypto_morus1280_avx2_module_exit(void)
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{
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simd_unregister_aeads(&crypto_morus1280_avx2_alg, 1, &simd_alg);
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}
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module_init(crypto_morus1280_avx2_module_init);
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module_exit(crypto_morus1280_avx2_module_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
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MODULE_DESCRIPTION("MORUS-1280 AEAD algorithm -- AVX2 implementation");
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MODULE_ALIAS_CRYPTO("morus1280");
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MODULE_ALIAS_CRYPTO("morus1280-avx2");
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