Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ard Biesheuvel | 459 | 99.57% | 1 | 50.00% |
Thomas Gleixner | 2 | 0.43% | 1 | 50.00% |
Total | 461 | 2 |
// SPDX-License-Identifier: GPL-2.0-only /* * sha512-glue.c - accelerated SHA-384/512 for ARM * * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org> */ #include <crypto/internal/hash.h> #include <crypto/sha.h> #include <crypto/sha512_base.h> #include <linux/crypto.h> #include <linux/module.h> #include <asm/hwcap.h> #include <asm/neon.h> #include "sha512.h" MODULE_DESCRIPTION("Accelerated SHA-384/SHA-512 secure hash for ARM"); MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS_CRYPTO("sha384"); MODULE_ALIAS_CRYPTO("sha512"); MODULE_ALIAS_CRYPTO("sha384-arm"); MODULE_ALIAS_CRYPTO("sha512-arm"); asmlinkage void sha512_block_data_order(u64 *state, u8 const *src, int blocks); int sha512_arm_update(struct shash_desc *desc, const u8 *data, unsigned int len) { return sha512_base_do_update(desc, data, len, (sha512_block_fn *)sha512_block_data_order); } int sha512_arm_final(struct shash_desc *desc, u8 *out) { sha512_base_do_finalize(desc, (sha512_block_fn *)sha512_block_data_order); return sha512_base_finish(desc, out); } int sha512_arm_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out) { sha512_base_do_update(desc, data, len, (sha512_block_fn *)sha512_block_data_order); return sha512_arm_final(desc, out); } static struct shash_alg sha512_arm_algs[] = { { .init = sha384_base_init, .update = sha512_arm_update, .final = sha512_arm_final, .finup = sha512_arm_finup, .descsize = sizeof(struct sha512_state), .digestsize = SHA384_DIGEST_SIZE, .base = { .cra_name = "sha384", .cra_driver_name = "sha384-arm", .cra_priority = 250, .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, } }, { .init = sha512_base_init, .update = sha512_arm_update, .final = sha512_arm_final, .finup = sha512_arm_finup, .descsize = sizeof(struct sha512_state), .digestsize = SHA512_DIGEST_SIZE, .base = { .cra_name = "sha512", .cra_driver_name = "sha512-arm", .cra_priority = 250, .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, } } }; static int __init sha512_arm_mod_init(void) { int err; err = crypto_register_shashes(sha512_arm_algs, ARRAY_SIZE(sha512_arm_algs)); if (err) return err; if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && cpu_has_neon()) { err = crypto_register_shashes(sha512_neon_algs, ARRAY_SIZE(sha512_neon_algs)); if (err) goto err_unregister; } return 0; err_unregister: crypto_unregister_shashes(sha512_arm_algs, ARRAY_SIZE(sha512_arm_algs)); return err; } static void __exit sha512_arm_mod_fini(void) { crypto_unregister_shashes(sha512_arm_algs, ARRAY_SIZE(sha512_arm_algs)); if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && cpu_has_neon()) crypto_unregister_shashes(sha512_neon_algs, ARRAY_SIZE(sha512_neon_algs)); } module_init(sha512_arm_mod_init); module_exit(sha512_arm_mod_fini);
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