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77 lines
2.4 KiB
77 lines
2.4 KiB
// SPDX-License-Identifier: GPL-2.0 OR MIT |
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/* |
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* Copyright (C) 2015-2019 Jason A. Donenfeld <[email protected]>. All Rights Reserved. |
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*/ |
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#include <crypto/internal/blake2s.h> |
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#include <crypto/internal/simd.h> |
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#include <crypto/internal/hash.h> |
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#include <linux/types.h> |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/sizes.h> |
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#include <asm/cpufeature.h> |
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#include <asm/processor.h> |
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static int crypto_blake2s_update_x86(struct shash_desc *desc, |
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const u8 *in, unsigned int inlen) |
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{ |
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return crypto_blake2s_update(desc, in, inlen, false); |
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} |
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static int crypto_blake2s_final_x86(struct shash_desc *desc, u8 *out) |
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{ |
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return crypto_blake2s_final(desc, out, false); |
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} |
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#define BLAKE2S_ALG(name, driver_name, digest_size) \ |
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{ \ |
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.base.cra_name = name, \ |
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.base.cra_driver_name = driver_name, \ |
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.base.cra_priority = 200, \ |
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.base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ |
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.base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \ |
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.base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \ |
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.base.cra_module = THIS_MODULE, \ |
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.digestsize = digest_size, \ |
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.setkey = crypto_blake2s_setkey, \ |
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.init = crypto_blake2s_init, \ |
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.update = crypto_blake2s_update_x86, \ |
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.final = crypto_blake2s_final_x86, \ |
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.descsize = sizeof(struct blake2s_state), \ |
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} |
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static struct shash_alg blake2s_algs[] = { |
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BLAKE2S_ALG("blake2s-128", "blake2s-128-x86", BLAKE2S_128_HASH_SIZE), |
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BLAKE2S_ALG("blake2s-160", "blake2s-160-x86", BLAKE2S_160_HASH_SIZE), |
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BLAKE2S_ALG("blake2s-224", "blake2s-224-x86", BLAKE2S_224_HASH_SIZE), |
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BLAKE2S_ALG("blake2s-256", "blake2s-256-x86", BLAKE2S_256_HASH_SIZE), |
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}; |
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static int __init blake2s_mod_init(void) |
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{ |
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if (IS_REACHABLE(CONFIG_CRYPTO_HASH) && boot_cpu_has(X86_FEATURE_SSSE3)) |
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return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); |
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return 0; |
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} |
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static void __exit blake2s_mod_exit(void) |
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{ |
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if (IS_REACHABLE(CONFIG_CRYPTO_HASH) && boot_cpu_has(X86_FEATURE_SSSE3)) |
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crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); |
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} |
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module_init(blake2s_mod_init); |
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module_exit(blake2s_mod_exit); |
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MODULE_ALIAS_CRYPTO("blake2s-128"); |
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MODULE_ALIAS_CRYPTO("blake2s-128-x86"); |
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MODULE_ALIAS_CRYPTO("blake2s-160"); |
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MODULE_ALIAS_CRYPTO("blake2s-160-x86"); |
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MODULE_ALIAS_CRYPTO("blake2s-224"); |
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MODULE_ALIAS_CRYPTO("blake2s-224-x86"); |
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MODULE_ALIAS_CRYPTO("blake2s-256"); |
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MODULE_ALIAS_CRYPTO("blake2s-256-x86"); |
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MODULE_LICENSE("GPL v2");
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