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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167// SPDX-License-Identifier: GPL-2.0-or-later/* * Crypto API support for SHA-3 * (https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf) */#include <crypto/internal/hash.h>#include <crypto/sha3.h>#include <linux/kernel.h>#include <linux/module.h>
#define SHA3_CTX(desc) ((struct sha3_ctx *)shash_desc_ctx(desc))
static int crypto_sha3_224_init(struct shash_desc *desc){ sha3_224_init(SHA3_CTX(desc)); return 0;}
static int crypto_sha3_256_init(struct shash_desc *desc){ sha3_256_init(SHA3_CTX(desc)); return 0;}
static int crypto_sha3_384_init(struct shash_desc *desc){ sha3_384_init(SHA3_CTX(desc)); return 0;}
static int crypto_sha3_512_init(struct shash_desc *desc){ sha3_512_init(SHA3_CTX(desc)); return 0;}
static int crypto_sha3_update(struct shash_desc *desc, const u8 *data, unsigned int len){ sha3_update(SHA3_CTX(desc), data, len); return 0;}
static int crypto_sha3_final(struct shash_desc *desc, u8 *out){ sha3_final(SHA3_CTX(desc), out); return 0;}
static int crypto_sha3_224_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out){ sha3_224(data, len, out); return 0;}
static int crypto_sha3_256_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out){ sha3_256(data, len, out); return 0;}
static int crypto_sha3_384_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out){ sha3_384(data, len, out); return 0;}
static int crypto_sha3_512_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out){ sha3_512(data, len, out); return 0;}
static int crypto_sha3_export_core(struct shash_desc *desc, void *out){ memcpy(out, SHA3_CTX(desc), sizeof(struct sha3_ctx)); return 0;}
static int crypto_sha3_import_core(struct shash_desc *desc, const void *in){ memcpy(SHA3_CTX(desc), in, sizeof(struct sha3_ctx)); return 0;}
static struct shash_alg algs[] = { { .digestsize = SHA3_224_DIGEST_SIZE, .init = crypto_sha3_224_init, .update = crypto_sha3_update, .final = crypto_sha3_final, .digest = crypto_sha3_224_digest, .export_core = crypto_sha3_export_core, .import_core = crypto_sha3_import_core, .descsize = sizeof(struct sha3_ctx), .base.cra_name = "sha3-224", .base.cra_driver_name = "sha3-224-lib", .base.cra_blocksize = SHA3_224_BLOCK_SIZE, .base.cra_module = THIS_MODULE,}, { .digestsize = SHA3_256_DIGEST_SIZE, .init = crypto_sha3_256_init, .update = crypto_sha3_update, .final = crypto_sha3_final, .digest = crypto_sha3_256_digest, .export_core = crypto_sha3_export_core, .import_core = crypto_sha3_import_core, .descsize = sizeof(struct sha3_ctx), .base.cra_name = "sha3-256", .base.cra_driver_name = "sha3-256-lib", .base.cra_blocksize = SHA3_256_BLOCK_SIZE, .base.cra_module = THIS_MODULE,}, { .digestsize = SHA3_384_DIGEST_SIZE, .init = crypto_sha3_384_init, .update = crypto_sha3_update, .final = crypto_sha3_final, .digest = crypto_sha3_384_digest, .export_core = crypto_sha3_export_core, .import_core = crypto_sha3_import_core, .descsize = sizeof(struct sha3_ctx), .base.cra_name = "sha3-384", .base.cra_driver_name = "sha3-384-lib", .base.cra_blocksize = SHA3_384_BLOCK_SIZE, .base.cra_module = THIS_MODULE,}, { .digestsize = SHA3_512_DIGEST_SIZE, .init = crypto_sha3_512_init, .update = crypto_sha3_update, .final = crypto_sha3_final, .digest = crypto_sha3_512_digest, .export_core = crypto_sha3_export_core, .import_core = crypto_sha3_import_core, .descsize = sizeof(struct sha3_ctx), .base.cra_name = "sha3-512", .base.cra_driver_name = "sha3-512-lib", .base.cra_blocksize = SHA3_512_BLOCK_SIZE, .base.cra_module = THIS_MODULE,} };
static int __init crypto_sha3_mod_init(void){ return crypto_register_shashes(algs, ARRAY_SIZE(algs));}module_init(crypto_sha3_mod_init);
static void __exit crypto_sha3_mod_exit(void){ crypto_unregister_shashes(algs, ARRAY_SIZE(algs));}module_exit(crypto_sha3_mod_exit);
MODULE_LICENSE("GPL");MODULE_DESCRIPTION("Crypto API support for SHA-3");
MODULE_ALIAS_CRYPTO("sha3-224");MODULE_ALIAS_CRYPTO("sha3-224-lib");MODULE_ALIAS_CRYPTO("sha3-256");MODULE_ALIAS_CRYPTO("sha3-256-lib");MODULE_ALIAS_CRYPTO("sha3-384");MODULE_ALIAS_CRYPTO("sha3-384-lib");MODULE_ALIAS_CRYPTO("sha3-512");MODULE_ALIAS_CRYPTO("sha3-512-lib");