include/linux/crypto.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
53  * Set if the algorithm has passed automated run-time testing.  Note that
54  * if there is no run-time testing for a given algorithm it is considered
77  * Set if the algorithm has a ->setkey() method but can be used without
99  *	- The IV buffer and all scatterlist elements must be aligned to the
101  *	- If the data were to be divided into chunks of size
105  *	- The IV buffer and all scatterlist elements must be aligned to the
107  *	- The first scatterlist element must contain all the associated data,
109  *	- If the plaintext/ciphertext were to be divided into chunks of size
113  *	- crypto_ahash_finup() must not be used unless the algorithm implements
114  *	  ->finup() natively.
122  * not FIPS-approved but may instead be used to implement parts of
123  * a FIPS-approved algorithm (e.g., dh vs. ffdhe2048(dh)).
146  * faults for C data types.  On architectures that support non-cache coherent
150  * maintenance for non-coherent DMA (cache invalidation in particular) does not
187  * struct cipher_alg - single-block symmetric ciphers definition
190  *		     algorithm. This must be set to one of the pre-defined
196  *		    algorithm. This must be set to one of the pre-defined values
216  *		 API will re-align the buffers. The re-alignment means that a
224  *		 transformation context, the key might need to be re-programmed
231  * All fields are mandatory and must be filled.
243  * struct compress_alg - compression/decompression algorithm
264  * struct crypto_alg - definition of a cryptograpic cipher algorithm
267  *	       used for fine-tuning the description of the transformation
316  *	   filled with callbacks. This field might be empty. This is the case
329  * @cra_u.cipher: Union member which contains a single-block symmetric cipher
395 	case -EINPROGRESS:  in crypto_wait_req()
396 	case -EBUSY:  in crypto_wait_req()
397 		wait_for_completion(&wait->completion);  in crypto_wait_req()
398 		reinit_completion(&wait->completion);  in crypto_wait_req()
399 		err = wait->err;  in crypto_wait_req()
408 	init_completion(&wait->completion);  in crypto_init_wait()
417  * Transforms: user-instantiated objects which encapsulate algorithms
457 	return tfm->__crt_alg->cra_name;  in crypto_tfm_alg_name()
462 	return tfm->__crt_alg->cra_driver_name;  in crypto_tfm_alg_driver_name()
467 	return tfm->__crt_alg->cra_blocksize;  in crypto_tfm_alg_blocksize()
472 	return tfm->__crt_alg->cra_alignmask;  in crypto_tfm_alg_alignmask()
477 	return tfm->crt_flags;  in crypto_tfm_get_flags()
482 	tfm->crt_flags |= flags;  in crypto_tfm_set_flags()
487 	tfm->crt_flags &= ~flags;  in crypto_tfm_clear_flags()
493 	return __alignof__(tfm->__crt_ctx);  in crypto_tfm_ctx_alignment()
513 	return &tfm->base;  in crypto_comp_tfm()