Orange Pi5 kernel

^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)  * BLAKE2s digest algorithm, ARM scalar implementation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2020 Google LLC
^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/blake2s.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <crypto/internal/hash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /* defined in blake2s-core.S */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) EXPORT_SYMBOL(blake2s_compress_arch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static int crypto_blake2s_update_arm(struct shash_desc *desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 				     const u8 *in, unsigned int inlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	return crypto_blake2s_final(desc, out, blake2s_compress_arch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define BLAKE2S_ALG(name, driver_name, digest_size)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	{								\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		.base.cra_name		= name,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		.base.cra_driver_name	= driver_name,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		.base.cra_priority	= 200,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		.base.cra_blocksize	= BLAKE2S_BLOCK_SIZE,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		.base.cra_ctxsize	= sizeof(struct blake2s_tfm_ctx), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		.base.cra_module	= THIS_MODULE,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		.digestsize		= digest_size,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		.setkey			= crypto_blake2s_setkey,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		.init			= crypto_blake2s_init,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		.update			= crypto_blake2s_update_arm,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		.final			= crypto_blake2s_final_arm,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		.descsize		= sizeof(struct blake2s_state),	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static struct shash_alg blake2s_arm_algs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static int __init blake2s_arm_mod_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		crypto_register_shashes(blake2s_arm_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 					ARRAY_SIZE(blake2s_arm_algs)) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static void __exit blake2s_arm_mod_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	if (IS_REACHABLE(CONFIG_CRYPTO_HASH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 		crypto_unregister_shashes(blake2s_arm_algs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 					  ARRAY_SIZE(blake2s_arm_algs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) module_init(blake2s_arm_mod_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) module_exit(blake2s_arm_mod_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) MODULE_ALIAS_CRYPTO("blake2s-128");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) MODULE_ALIAS_CRYPTO("blake2s-128-arm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) MODULE_ALIAS_CRYPTO("blake2s-160");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) MODULE_ALIAS_CRYPTO("blake2s-160-arm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MODULE_ALIAS_CRYPTO("blake2s-224");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MODULE_ALIAS_CRYPTO("blake2s-224-arm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) MODULE_ALIAS_CRYPTO("blake2s-256");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) MODULE_ALIAS_CRYPTO("blake2s-256-arm");