85 lines
3.0 KiB
ArmAsm
85 lines
3.0 KiB
ArmAsm
/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
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//
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// This file is dual-licensed, meaning that you can use it under your
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// choice of either of the following two licenses:
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//
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// Copyright 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 can obtain
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// a copy 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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// or
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//
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// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
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// Copyright (c) 2023, Phoebe Chen <phoebe.chen@sifive.com>
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// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
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// Copyright 2024 Google LLC
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// The generated code of this file depends on the following RISC-V extensions:
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// - RV64I
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// - RISC-V Vector ('V') with VLEN >= 128
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// - RISC-V Vector AES block cipher extension ('Zvkned')
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#include <linux/linkage.h>
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.text
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.option arch, +zvkned
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#include "../../arch/riscv/crypto/aes-macros.S"
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#define RNDKEYS a0
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#define KEY_LEN a1
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#define OUTP a2
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#define INP a3
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.macro __aes_crypt_zvkned enc, keybits
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vle32.v v16, (INP)
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aes_crypt v16, \enc, \keybits
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vse32.v v16, (OUTP)
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ret
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.endm
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.macro aes_crypt_zvkned enc
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aes_begin RNDKEYS, 128f, 192f, KEY_LEN
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__aes_crypt_zvkned \enc, 256
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128:
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__aes_crypt_zvkned \enc, 128
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192:
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__aes_crypt_zvkned \enc, 192
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.endm
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// void aes_encrypt_zvkned(const u32 rndkeys[], int key_len,
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// u8 out[AES_BLOCK_SIZE], const u8 in[AES_BLOCK_SIZE]);
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SYM_FUNC_START(aes_encrypt_zvkned)
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aes_crypt_zvkned 1
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SYM_FUNC_END(aes_encrypt_zvkned)
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// void aes_decrypt_zvkned(const u32 rndkeys[], int key_len,
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// u8 out[AES_BLOCK_SIZE], const u8 in[AES_BLOCK_SIZE]);
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SYM_FUNC_START(aes_decrypt_zvkned)
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aes_crypt_zvkned 0
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SYM_FUNC_END(aes_decrypt_zvkned)
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