// SPDX-License-Identifier: GPL-2.0 OR MIT /* * shash interface to the generic implementation of BLAKE2s * * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */ #include <crypto/internal/blake2s.h> #include <crypto/internal/hash.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/module.h> static int crypto_blake2s_update_generic(struct shash_desc *desc, const u8 *in, unsigned int inlen) { return crypto_blake2s_update(desc, in, inlen, true); } static int crypto_blake2s_final_generic(struct shash_desc *desc, u8 *out) { return crypto_blake2s_final(desc, out, true); } #define BLAKE2S_ALG(name, driver_name, digest_size) \ { \ .base.cra_name = name, \ .base.cra_driver_name = driver_name, \ .base.cra_priority = 100, \ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \ .base.cra_module = THIS_MODULE, \ .digestsize = digest_size, \ .setkey = crypto_blake2s_setkey, \ .init = crypto_blake2s_init, \ .update = crypto_blake2s_update_generic, \ .final = crypto_blake2s_final_generic, \ .descsize = sizeof(struct blake2s_state), \ } static struct shash_alg blake2s_algs[] = { BLAKE2S_ALG("blake2s-128", "blake2s-128-generic", BLAKE2S_128_HASH_SIZE), BLAKE2S_ALG("blake2s-160", "blake2s-160-generic", BLAKE2S_160_HASH_SIZE), BLAKE2S_ALG("blake2s-224", "blake2s-224-generic", BLAKE2S_224_HASH_SIZE), BLAKE2S_ALG("blake2s-256", "blake2s-256-generic", BLAKE2S_256_HASH_SIZE), }; static int __init blake2s_mod_init(void) { return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); } static void __exit blake2s_mod_exit(void) { crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs)); } subsys_initcall(blake2s_mod_init); module_exit(blake2s_mod_exit); MODULE_ALIAS_CRYPTO("blake2s-128"); MODULE_ALIAS_CRYPTO("blake2s-128-generic"); MODULE_ALIAS_CRYPTO("blake2s-160"); MODULE_ALIAS_CRYPTO("blake2s-160-generic"); MODULE_ALIAS_CRYPTO("blake2s-224"); MODULE_ALIAS_CRYPTO("blake2s-224-generic"); MODULE_ALIAS_CRYPTO("blake2s-256"); MODULE_ALIAS_CRYPTO("blake2s-256-generic"); MODULE_LICENSE("GPL v2");