diff options
Diffstat (limited to 'arch/riscv/crypto')
| -rw-r--r-- | arch/riscv/crypto/Kconfig | 11 | ||||
| -rw-r--r-- | arch/riscv/crypto/Makefile | 3 | ||||
| -rw-r--r-- | arch/riscv/crypto/sha512-riscv64-glue.c | 124 | ||||
| -rw-r--r-- | arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S | 203 |
4 files changed, 0 insertions, 341 deletions
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig index cd9b776602f8..a75d6325607b 100644 --- a/arch/riscv/crypto/Kconfig +++ b/arch/riscv/crypto/Kconfig @@ -28,17 +28,6 @@ config CRYPTO_GHASH_RISCV64 Architecture: riscv64 using: - Zvkg vector crypto extension -config CRYPTO_SHA512_RISCV64 - tristate "Hash functions: SHA-384 and SHA-512" - depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO - select CRYPTO_SHA512 - help - SHA-384 and SHA-512 secure hash algorithm (FIPS 180) - - Architecture: riscv64 using: - - Zvknhb vector crypto extension - - Zvkb vector crypto extension - config CRYPTO_SM3_RISCV64 tristate "Hash functions: SM3 (ShangMi 3)" depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile index e10e8257734e..183495a95cc0 100644 --- a/arch/riscv/crypto/Makefile +++ b/arch/riscv/crypto/Makefile @@ -7,9 +7,6 @@ aes-riscv64-y := aes-riscv64-glue.o aes-riscv64-zvkned.o \ obj-$(CONFIG_CRYPTO_GHASH_RISCV64) += ghash-riscv64.o ghash-riscv64-y := ghash-riscv64-glue.o ghash-riscv64-zvkg.o -obj-$(CONFIG_CRYPTO_SHA512_RISCV64) += sha512-riscv64.o -sha512-riscv64-y := sha512-riscv64-glue.o sha512-riscv64-zvknhb-zvkb.o - obj-$(CONFIG_CRYPTO_SM3_RISCV64) += sm3-riscv64.o sm3-riscv64-y := sm3-riscv64-glue.o sm3-riscv64-zvksh-zvkb.o diff --git a/arch/riscv/crypto/sha512-riscv64-glue.c b/arch/riscv/crypto/sha512-riscv64-glue.c deleted file mode 100644 index 4634fca78ae2..000000000000 --- a/arch/riscv/crypto/sha512-riscv64-glue.c +++ /dev/null @@ -1,124 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * SHA-512 and SHA-384 using the RISC-V vector crypto extensions - * - * Copyright (C) 2023 VRULL GmbH - * Author: Heiko Stuebner <heiko.stuebner@vrull.eu> - * - * Copyright (C) 2023 SiFive, Inc. - * Author: Jerry Shih <jerry.shih@sifive.com> - */ - -#include <asm/simd.h> -#include <asm/vector.h> -#include <crypto/internal/hash.h> -#include <crypto/internal/simd.h> -#include <crypto/sha512_base.h> -#include <linux/kernel.h> -#include <linux/module.h> - -/* - * Note: the asm function only uses the 'state' field of struct sha512_state. - * It is assumed to be the first field. - */ -asmlinkage void sha512_transform_zvknhb_zvkb( - struct sha512_state *state, const u8 *data, int num_blocks); - -static void sha512_block(struct sha512_state *state, const u8 *data, - int num_blocks) -{ - /* - * Ensure struct sha512_state begins directly with the SHA-512 - * 512-bit internal state, as this is what the asm function expects. - */ - BUILD_BUG_ON(offsetof(struct sha512_state, state) != 0); - - if (crypto_simd_usable()) { - kernel_vector_begin(); - sha512_transform_zvknhb_zvkb(state, data, num_blocks); - kernel_vector_end(); - } else { - sha512_generic_block_fn(state, data, num_blocks); - } -} - -static int riscv64_sha512_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - return sha512_base_do_update_blocks(desc, data, len, sha512_block); -} - -static int riscv64_sha512_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - sha512_base_do_finup(desc, data, len, sha512_block); - return sha512_base_finish(desc, out); -} - -static int riscv64_sha512_digest(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - return sha512_base_init(desc) ?: - riscv64_sha512_finup(desc, data, len, out); -} - -static struct shash_alg riscv64_sha512_algs[] = { - { - .init = sha512_base_init, - .update = riscv64_sha512_update, - .finup = riscv64_sha512_finup, - .digest = riscv64_sha512_digest, - .descsize = SHA512_STATE_SIZE, - .digestsize = SHA512_DIGEST_SIZE, - .base = { - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_priority = 300, - .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | - CRYPTO_AHASH_ALG_FINUP_MAX, - .cra_name = "sha512", - .cra_driver_name = "sha512-riscv64-zvknhb-zvkb", - .cra_module = THIS_MODULE, - }, - }, { - .init = sha384_base_init, - .update = riscv64_sha512_update, - .finup = riscv64_sha512_finup, - .descsize = SHA512_STATE_SIZE, - .digestsize = SHA384_DIGEST_SIZE, - .base = { - .cra_blocksize = SHA384_BLOCK_SIZE, - .cra_priority = 300, - .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY | - CRYPTO_AHASH_ALG_FINUP_MAX, - .cra_name = "sha384", - .cra_driver_name = "sha384-riscv64-zvknhb-zvkb", - .cra_module = THIS_MODULE, - }, - }, -}; - -static int __init riscv64_sha512_mod_init(void) -{ - if (riscv_isa_extension_available(NULL, ZVKNHB) && - riscv_isa_extension_available(NULL, ZVKB) && - riscv_vector_vlen() >= 128) - return crypto_register_shashes(riscv64_sha512_algs, - ARRAY_SIZE(riscv64_sha512_algs)); - - return -ENODEV; -} - -static void __exit riscv64_sha512_mod_exit(void) -{ - crypto_unregister_shashes(riscv64_sha512_algs, - ARRAY_SIZE(riscv64_sha512_algs)); -} - -module_init(riscv64_sha512_mod_init); -module_exit(riscv64_sha512_mod_exit); - -MODULE_DESCRIPTION("SHA-512 (RISC-V accelerated)"); -MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@vrull.eu>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_CRYPTO("sha512"); -MODULE_ALIAS_CRYPTO("sha384"); diff --git a/arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S b/arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S deleted file mode 100644 index 89f4a10d12dd..000000000000 --- a/arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S +++ /dev/null @@ -1,203 +0,0 @@ -/* 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 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 SHA-2 Secure Hash extension ('Zvknhb') -// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb') - -#include <linux/linkage.h> - -.text -.option arch, +zvknhb, +zvkb - -#define STATEP a0 -#define DATA a1 -#define NUM_BLOCKS a2 - -#define STATEP_C a3 -#define K a4 - -#define MASK v0 -#define INDICES v1 -#define W0 v10 // LMUL=2 -#define W1 v12 // LMUL=2 -#define W2 v14 // LMUL=2 -#define W3 v16 // LMUL=2 -#define VTMP v20 // LMUL=2 -#define FEBA v22 // LMUL=2 -#define HGDC v24 // LMUL=2 -#define PREV_FEBA v26 // LMUL=2 -#define PREV_HGDC v28 // LMUL=2 - -// Do 4 rounds of SHA-512. w0 contains the current 4 message schedule words. -// -// If not all the message schedule words have been computed yet, then this also -// computes 4 more message schedule words. w1-w3 contain the next 3 groups of 4 -// message schedule words; this macro computes the group after w3 and writes it -// to w0. This means that the next (w0, w1, w2, w3) is the current (w1, w2, w3, -// w0), so the caller must cycle through the registers accordingly. -.macro sha512_4rounds last, w0, w1, w2, w3 - vle64.v VTMP, (K) - addi K, K, 32 - vadd.vv VTMP, VTMP, \w0 - vsha2cl.vv HGDC, FEBA, VTMP - vsha2ch.vv FEBA, HGDC, VTMP -.if !\last - vmerge.vvm VTMP, \w2, \w1, MASK - vsha2ms.vv \w0, VTMP, \w3 -.endif -.endm - -.macro sha512_16rounds last - sha512_4rounds \last, W0, W1, W2, W3 - sha512_4rounds \last, W1, W2, W3, W0 - sha512_4rounds \last, W2, W3, W0, W1 - sha512_4rounds \last, W3, W0, W1, W2 -.endm - -// void sha512_transform_zvknhb_zvkb(u64 state[8], const u8 *data, -// int num_blocks); -SYM_FUNC_START(sha512_transform_zvknhb_zvkb) - - // Setup mask for the vmerge to replace the first word (idx==0) in - // message scheduling. There are 4 words, so an 8-bit mask suffices. - vsetivli zero, 1, e8, m1, ta, ma - vmv.v.i MASK, 0x01 - - // Load the state. The state is stored as {a,b,c,d,e,f,g,h}, but we - // need {f,e,b,a},{h,g,d,c}. The dst vtype is e64m2 and the index vtype - // is e8mf4. We use index-load with the i8 indices {40, 32, 8, 0}, - // loaded using the 32-bit little endian value 0x00082028. - li t0, 0x00082028 - vsetivli zero, 1, e32, m1, ta, ma - vmv.v.x INDICES, t0 - addi STATEP_C, STATEP, 16 - vsetivli zero, 4, e64, m2, ta, ma - vluxei8.v FEBA, (STATEP), INDICES - vluxei8.v HGDC, (STATEP_C), INDICES - -.Lnext_block: - la K, K512 - addi NUM_BLOCKS, NUM_BLOCKS, -1 - - // Save the previous state, as it's needed later. - vmv.v.v PREV_FEBA, FEBA - vmv.v.v PREV_HGDC, HGDC - - // Load the next 1024-bit message block and endian-swap each 64-bit word - vle64.v W0, (DATA) - vrev8.v W0, W0 - addi DATA, DATA, 32 - vle64.v W1, (DATA) - vrev8.v W1, W1 - addi DATA, DATA, 32 - vle64.v W2, (DATA) - vrev8.v W2, W2 - addi DATA, DATA, 32 - vle64.v W3, (DATA) - vrev8.v W3, W3 - addi DATA, DATA, 32 - - // Do the 80 rounds of SHA-512. - sha512_16rounds 0 - sha512_16rounds 0 - sha512_16rounds 0 - sha512_16rounds 0 - sha512_16rounds 1 - - // Add the previous state. - vadd.vv FEBA, FEBA, PREV_FEBA - vadd.vv HGDC, HGDC, PREV_HGDC - - // Repeat if more blocks remain. - bnez NUM_BLOCKS, .Lnext_block - - // Store the new state and return. - vsuxei8.v FEBA, (STATEP), INDICES - vsuxei8.v HGDC, (STATEP_C), INDICES - ret -SYM_FUNC_END(sha512_transform_zvknhb_zvkb) - -.section ".rodata" -.p2align 3 -.type K512, @object -K512: - .dword 0x428a2f98d728ae22, 0x7137449123ef65cd - .dword 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc - .dword 0x3956c25bf348b538, 0x59f111f1b605d019 - .dword 0x923f82a4af194f9b, 0xab1c5ed5da6d8118 - .dword 0xd807aa98a3030242, 0x12835b0145706fbe - .dword 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2 - .dword 0x72be5d74f27b896f, 0x80deb1fe3b1696b1 - .dword 0x9bdc06a725c71235, 0xc19bf174cf692694 - .dword 0xe49b69c19ef14ad2, 0xefbe4786384f25e3 - .dword 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65 - .dword 0x2de92c6f592b0275, 0x4a7484aa6ea6e483 - .dword 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5 - .dword 0x983e5152ee66dfab, 0xa831c66d2db43210 - .dword 0xb00327c898fb213f, 0xbf597fc7beef0ee4 - .dword 0xc6e00bf33da88fc2, 0xd5a79147930aa725 - .dword 0x06ca6351e003826f, 0x142929670a0e6e70 - .dword 0x27b70a8546d22ffc, 0x2e1b21385c26c926 - .dword 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df - .dword 0x650a73548baf63de, 0x766a0abb3c77b2a8 - .dword 0x81c2c92e47edaee6, 0x92722c851482353b - .dword 0xa2bfe8a14cf10364, 0xa81a664bbc423001 - .dword 0xc24b8b70d0f89791, 0xc76c51a30654be30 - .dword 0xd192e819d6ef5218, 0xd69906245565a910 - .dword 0xf40e35855771202a, 0x106aa07032bbd1b8 - .dword 0x19a4c116b8d2d0c8, 0x1e376c085141ab53 - .dword 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8 - .dword 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb - .dword 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3 - .dword 0x748f82ee5defb2fc, 0x78a5636f43172f60 - .dword 0x84c87814a1f0ab72, 0x8cc702081a6439ec - .dword 0x90befffa23631e28, 0xa4506cebde82bde9 - .dword 0xbef9a3f7b2c67915, 0xc67178f2e372532b - .dword 0xca273eceea26619c, 0xd186b8c721c0c207 - .dword 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178 - .dword 0x06f067aa72176fba, 0x0a637dc5a2c898a6 - .dword 0x113f9804bef90dae, 0x1b710b35131c471b - .dword 0x28db77f523047d84, 0x32caab7b40c72493 - .dword 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c - .dword 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a - .dword 0x5fcb6fab3ad6faec, 0x6c44198c4a475817 -.size K512, . - K512 |