kernel/include/crypto/internal/hash.h, branch linux-5.11.y

crypto: ahash - Add ahash_alg_instance

2020-08-28T06:58:28Z

This patch adds the helper ahash_alg_instance which is used to convert a crypto_ahash object into its corresponding ahash_instance. Signed-off-by: Herbert Xu

crypto: hash - Remove unused async iterators

2020-08-21T04:47:50Z

Revert "crypto: hash - Add real ahash walk interface" This reverts commit 75ecb231ff45b54afa9f4ec9137965c3c00868f4. The callers of the functions in this commit were removed in ab8085c130ed Remove these unused calls. Fixes: ab8085c130ed ("crypto: x86 - remove SHA multibuffer routines and mcryptd") Cc: Ard Biesheuvel Signed-off-by: Ira Weiny Signed-off-by: Herbert Xu

crypto: shash - convert shash_free_instance() to new style

2020-01-09T03:30:57Z

Convert shash_free_instance() and its users to the new way of freeing instances, where a ->free() method is installed to the instance struct itself. This replaces the weakly-typed method crypto_template::free(). This will allow removing support for the old way of freeing instances. Also give shash_free_instance() a more descriptive name to reflect that it's only for instances with a single spawn, not for any instance. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: hash - add support for new way of freeing instances

2020-01-09T03:30:57Z

Add support to shash and ahash for the new way of freeing instances (already used for skcipher, aead, and akcipher) where a ->free() method is installed to the instance struct itself. These methods are more strongly-typed than crypto_template::free(), which they replace. This will allow removing support for the old way of freeing instances. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: ahash - unexport crypto_ahash_type

2020-01-09T03:30:57Z

Now that all the templates that need ahash spawns have been converted to use crypto_grab_ahash() rather than look up the algorithm directly, crypto_ahash_type is no longer used outside of ahash.c. Make it static. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: algapi - remove obsoleted instance creation helpers

2020-01-09T03:30:57Z

Remove lots of helper functions that were previously used for instantiating crypto templates, but are now unused: - crypto_get_attr_alg() and similar functions looked up an inner algorithm directly from a template parameter. These were replaced with getting the algorithm's name, then calling crypto_grab_*(). - crypto_init_spawn2() and similar functions initialized a spawn, given an algorithm. Similarly, these were replaced with crypto_grab_*(). - crypto_alloc_instance() and similar functions allocated an instance with a single spawn, given the inner algorithm. These aren't useful anymore since crypto_grab_*() need the instance allocated first. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: ahash - introduce crypto_grab_ahash()

2020-01-09T03:30:55Z

Currently, ahash spawns are initialized by using ahash_attr_alg() or crypto_find_alg() to look up the ahash algorithm, then calling crypto_init_ahash_spawn(). This is different from how skcipher, aead, and akcipher spawns are initialized (they use crypto_grab_*()), and for no good reason. This difference introduces unnecessary complexity. The crypto_grab_*() functions used to have some problems, like not holding a reference to the algorithm and requiring the caller to initialize spawn->base.inst. But those problems are fixed now. So, let's introduce crypto_grab_ahash() so that we can convert all templates to the same way of initializing their spawns. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: shash - introduce crypto_grab_shash()

2020-01-09T03:30:54Z

Currently, shash spawns are initialized by using shash_attr_alg() or crypto_alg_mod_lookup() to look up the shash algorithm, then calling crypto_init_shash_spawn(). This is different from how skcipher, aead, and akcipher spawns are initialized (they use crypto_grab_*()), and for no good reason. This difference introduces unnecessary complexity. The crypto_grab_*() functions used to have some problems, like not holding a reference to the algorithm and requiring the caller to initialize spawn->base.inst. But those problems are fixed now. So, let's introduce crypto_grab_shash() so that we can convert all templates to the same way of initializing their spawns. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: ahash - make struct ahash_instance be the full size

2020-01-09T03:30:54Z

Define struct ahash_instance in a way analogous to struct skcipher_instance, struct aead_instance, and struct akcipher_instance, where the struct is defined to include both the algorithm structure at the beginning and the additional crypto_instance fields at the end. This is needed to allow allocating ahash instances directly using kzalloc(sizeof(*inst) + sizeof(*ictx), ...) in the same way as skcipher, aead, and akcipher instances. In turn, that's needed to make spawns be initialized in a consistent way everywhere. Also take advantage of the addition of the base instance to struct ahash_instance by simplifying the ahash_crypto_instance() and ahash_instance() functions. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu

crypto: shash - make struct shash_instance be the full size

2020-01-09T03:30:54Z

Define struct shash_instance in a way analogous to struct skcipher_instance, struct aead_instance, and struct akcipher_instance, where the struct is defined to include both the algorithm structure at the beginning and the additional crypto_instance fields at the end. This is needed to allow allocating shash instances directly using kzalloc(sizeof(*inst) + sizeof(*ictx), ...) in the same way as skcipher, aead, and akcipher instances. In turn, that's needed to make spawns be initialized in a consistent way everywhere. Also take advantage of the addition of the base instance to struct shash_instance by simplifying the shash_crypto_instance() and shash_instance() functions. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu