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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Linux/arm64 port of the OpenSSL SHA512 implementation for AArch64
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*
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* Copyright (c) 2016 Linaro Ltd. <ard.biesheuvel@linaro.org>
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*/
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#include <crypto/internal/hash.h>
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#include <linux/cryptohash.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#include <crypto/sha.h>
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#include <crypto/sha512_base.h>
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#include <asm/neon.h>
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MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash for arm64");
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MODULE_AUTHOR("Andy Polyakov <appro@openssl.org>");
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MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS_CRYPTO("sha384");
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MODULE_ALIAS_CRYPTO("sha512");
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asmlinkage void sha512_block_data_order(u32 *digest, const void *data,
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unsigned int num_blks);
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EXPORT_SYMBOL(sha512_block_data_order);
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static int sha512_update(struct shash_desc *desc, const u8 *data,
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unsigned int len)
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{
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return sha512_base_do_update(desc, data, len,
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(sha512_block_fn *)sha512_block_data_order);
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}
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static int sha512_finup(struct shash_desc *desc, const u8 *data,
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unsigned int len, u8 *out)
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{
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if (len)
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sha512_base_do_update(desc, data, len,
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(sha512_block_fn *)sha512_block_data_order);
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sha512_base_do_finalize(desc,
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(sha512_block_fn *)sha512_block_data_order);
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return sha512_base_finish(desc, out);
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}
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static int sha512_final(struct shash_desc *desc, u8 *out)
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{
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return sha512_finup(desc, NULL, 0, out);
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}
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static struct shash_alg algs[] = { {
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.digestsize = SHA512_DIGEST_SIZE,
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.init = sha512_base_init,
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.update = sha512_update,
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.final = sha512_final,
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.finup = sha512_finup,
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.descsize = sizeof(struct sha512_state),
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.base.cra_name = "sha512",
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.base.cra_driver_name = "sha512-arm64",
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.base.cra_priority = 150,
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.base.cra_blocksize = SHA512_BLOCK_SIZE,
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.base.cra_module = THIS_MODULE,
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}, {
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.digestsize = SHA384_DIGEST_SIZE,
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.init = sha384_base_init,
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.update = sha512_update,
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.final = sha512_final,
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.finup = sha512_finup,
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.descsize = sizeof(struct sha512_state),
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.base.cra_name = "sha384",
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.base.cra_driver_name = "sha384-arm64",
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.base.cra_priority = 150,
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.base.cra_blocksize = SHA384_BLOCK_SIZE,
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.base.cra_module = THIS_MODULE,
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} };
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static int __init sha512_mod_init(void)
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{
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return crypto_register_shashes(algs, ARRAY_SIZE(algs));
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}
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static void __exit sha512_mod_fini(void)
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{
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crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
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}
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module_init(sha512_mod_init);
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module_exit(sha512_mod_fini);
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