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