^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Linux/arm64 port of the OpenSSL SHA512 implementation for AArch64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2016 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 <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <crypto/sha.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <crypto/sha512_base.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/neon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash for arm64");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) MODULE_AUTHOR("Andy Polyakov <appro@openssl.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) MODULE_ALIAS_CRYPTO("sha384");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) MODULE_ALIAS_CRYPTO("sha512");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) asmlinkage void sha512_block_data_order(u64 *digest, const void *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned int num_blks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) EXPORT_SYMBOL(sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static void __sha512_block_data_order(struct sha512_state *sst, u8 const *src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) int blocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) sha512_block_data_order(sst->state, src, blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static int sha512_update(struct shash_desc *desc, const u8 *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) return sha512_base_do_update(desc, data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) __sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int sha512_finup(struct shash_desc *desc, const u8 *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned int len, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) sha512_base_do_update(desc, data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) __sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) sha512_base_do_finalize(desc, __sha512_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return sha512_base_finish(desc, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static int sha512_final(struct shash_desc *desc, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return sha512_finup(desc, NULL, 0, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static struct shash_alg algs[] = { {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .digestsize = SHA512_DIGEST_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .init = sha512_base_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .update = sha512_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .final = sha512_final,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .finup = sha512_finup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .descsize = sizeof(struct sha512_state),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .base.cra_name = "sha512",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .base.cra_driver_name = "sha512-arm64",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .base.cra_priority = 150,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .base.cra_blocksize = SHA512_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .base.cra_module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .digestsize = SHA384_DIGEST_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .init = sha384_base_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .update = sha512_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .final = sha512_final,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .finup = sha512_finup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .descsize = sizeof(struct sha512_state),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .base.cra_name = "sha384",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .base.cra_driver_name = "sha384-arm64",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .base.cra_priority = 150,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .base.cra_blocksize = SHA384_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .base.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) static int __init sha512_mod_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return crypto_register_shashes(algs, ARRAY_SIZE(algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static void __exit sha512_mod_fini(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) module_init(sha512_mod_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) module_exit(sha512_mod_fini);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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