^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * sha512-glue.c - accelerated SHA-384/512 for ARM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <crypto/internal/hash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <crypto/sha.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <crypto/sha512_base.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/crypto.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/hwcap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/neon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "sha512.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) MODULE_DESCRIPTION("Accelerated SHA-384/SHA-512 secure hash for ARM");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) MODULE_ALIAS_CRYPTO("sha384");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) MODULE_ALIAS_CRYPTO("sha512");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) MODULE_ALIAS_CRYPTO("sha384-arm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) MODULE_ALIAS_CRYPTO("sha512-arm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) asmlinkage void sha512_block_data_order(u64 *state, u8 const *src, int blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int sha512_arm_update(struct shash_desc *desc, const u8 *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) return sha512_base_do_update(desc, data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) (sha512_block_fn *)sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static int sha512_arm_final(struct shash_desc *desc, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) sha512_base_do_finalize(desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) (sha512_block_fn *)sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return sha512_base_finish(desc, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int sha512_arm_finup(struct shash_desc *desc, const u8 *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned int len, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) sha512_base_do_update(desc, data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) (sha512_block_fn *)sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return sha512_arm_final(desc, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static struct shash_alg sha512_arm_algs[] = { {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .init = sha384_base_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .update = sha512_arm_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .final = sha512_arm_final,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .finup = sha512_arm_finup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .descsize = sizeof(struct sha512_state),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .digestsize = SHA384_DIGEST_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .base = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .cra_name = "sha384",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .cra_driver_name = "sha384-arm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .cra_priority = 250,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .cra_blocksize = SHA512_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .cra_module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .init = sha512_base_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .update = sha512_arm_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .final = sha512_arm_final,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .finup = sha512_arm_finup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .descsize = sizeof(struct sha512_state),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .digestsize = SHA512_DIGEST_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .base = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .cra_name = "sha512",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .cra_driver_name = "sha512-arm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .cra_priority = 250,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .cra_blocksize = SHA512_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .cra_module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) } };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static int __init sha512_arm_mod_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) err = crypto_register_shashes(sha512_arm_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ARRAY_SIZE(sha512_arm_algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && cpu_has_neon()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) err = crypto_register_shashes(sha512_neon_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) ARRAY_SIZE(sha512_neon_algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) goto err_unregister;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) err_unregister:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) crypto_unregister_shashes(sha512_arm_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ARRAY_SIZE(sha512_arm_algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static void __exit sha512_arm_mod_fini(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) crypto_unregister_shashes(sha512_arm_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ARRAY_SIZE(sha512_arm_algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && cpu_has_neon())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) crypto_unregister_shashes(sha512_neon_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ARRAY_SIZE(sha512_neon_algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) module_init(sha512_arm_mod_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) module_exit(sha512_arm_mod_fini);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags