crypto_shash_setkey – set key for message digest Synopsis int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key, unsigned int keylen); Arguments tfm cipher handle key buffer holding the key keylen length of the key in bytes Description The caller provided key is set for the keyed message digest cipher. The cipher handle must point to a keyed…
crypto_shash_init – (re)initialize message digest Synopsis int crypto_shash_init(struct shash_desc *desc); Arguments desc operational state handle that is already filled Description The call (re-)initializes the message digest referenced by the operational state handle. Any potentially existing state created by previous operations is discarded. Return 0 if the message digest initialization was successful; < 0 if an…
crypto_shash_import – import operational state Synopsis int crypto_shash_import(struct shash_desc *desc, const void *in); Arguments desc reference to the operational state handle the state imported into in buffer holding the state Description This function imports the hash state into the operational state handle from the input buffer. That buffer should have been generated with the crypto_ahash_export…
crypto_shash_finup – calculate message digest of buffer Synopsis int crypto_shash_finup(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out); Arguments desc see crypto_shash_final data see crypto_shash_update len see crypto_shash_update out see crypto_shash_final Description This function is a “short-hand” for the function calls of crypto_shash_update and crypto_shash_final. The parameters have the same meaning as discussed…
crypto_shash_final – calculate message digest Synopsis int crypto_shash_final(struct shash_desc *desc, u8 *out); Arguments desc operational state handle that is already filled with data out output buffer filled with the message digest Description Finalize the message digest operation and create the message digest based on all data added to the cipher handle. The message digest is…
crypto_shash_export – extract operational state for message digest Synopsis int crypto_shash_export(struct shash_desc *desc, void *out); Arguments desc reference to the operational state handle whose state is exported out output buffer of sufficient size that can hold the hash state Description This function exports the hash state of the operational state handle into the caller-allocated output…
crypto_shash_digestsize – obtain message digest size Synopsis unsigned int crypto_shash_digestsize(struct crypto_shash *tfm); Arguments tfm cipher handle Description The size for the message digest created by the message digest cipher referenced with the cipher handle is returned. Return digest size of cipher Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright
crypto_shash_digest – calculate message digest for buffer Synopsis int crypto_shash_digest(struct shash_desc *desc, const u8 *data, unsigned int len, u8 *out); Arguments desc see crypto_shash_final data see crypto_shash_update len see crypto_shash_update out see crypto_shash_final Description This function is a “short-hand” for the function calls of crypto_shash_init, crypto_shash_update and crypto_shash_final. The parameters have the same meaning as…
crypto_shash_descsize – obtain the operational state size Synopsis unsigned int crypto_shash_descsize(struct crypto_shash *tfm); Arguments tfm cipher handle Description The size of the operational state the cipher needs during operation is returned for the hash referenced with the cipher handle. This size is required to calculate the memory requirements to allow the caller allocating sufficient memory…
crypto_shash_blocksize – obtain block size for cipher Synopsis unsigned int crypto_shash_blocksize(struct crypto_shash *tfm); Arguments tfm cipher handle Description The block size for the message digest cipher referenced with the cipher handle is returned. Return block size of cipher Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright
crypto_rng_seedsize – obtain seed size of RNG Synopsis int crypto_rng_seedsize(struct crypto_rng *tfm); Arguments tfm cipher handle Description The function returns the seed size for the random number generator referenced by the cipher handle. This value may be zero if the random number generator does not implement or require a reseeding. For example, the SP800-90A DRBGs…
crypto_rng_reset – re-initialize the RNG Synopsis int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen); Arguments tfm cipher handle seed seed input data slen length of the seed input data Description The reset function completely re-initializes the random number generator referenced by the cipher handle by clearing the current state. The new state is…
crypto_rng_get_bytes – get random number Synopsis int crypto_rng_get_bytes(struct crypto_rng *tfm, u8 *rdata, unsigned int dlen); Arguments tfm cipher handle rdata output buffer holding the random numbers dlen length of the output buffer Description This function fills the caller-allocated buffer with random numbers using the random number generator referenced by the cipher handle. Return 0 function…
crypto_rng_generate – get random number Synopsis int crypto_rng_generate(struct crypto_rng *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int dlen); Arguments tfm cipher handle src Input buffer holding additional data, may be NULL slen Length of additional data dst output buffer holding the random numbers dlen length of the output buffer Description This function…
crypto_rng_alg – obtain name of RNG Synopsis struct rng_alg *crypto_rng_alg(struct crypto_rng *tfm); Arguments tfm cipher handle Description Return the generic name (cra_name) of the initialized random number generator Return generic name string Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright
crypto_has_skcipher – Search for the availability of an skcipher. Synopsis int crypto_has_skcipher(const char *alg_name, u32 type, u32 mask); Arguments alg_name is the cra_name / name or cra_driver_name / driver name of the skcipher type specifies the type of the cipher mask specifies the mask for the cipher Return true when the skcipher is known to…
crypto_has_cipher – Search for the availability of a single block cipher Synopsis int crypto_has_cipher(const char *alg_name, u32 type, u32 mask); Arguments alg_name is the cra_name / name or cra_driver_name / driver name of the single block cipher type specifies the type of the cipher mask specifies the mask for the cipher Return true when the…
crypto_has_blkcipher – Search for the availability of a block cipher Synopsis int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask); Arguments alg_name is the cra_name / name or cra_driver_name / driver name of the block cipher type specifies the type of the cipher mask specifies the mask for the cipher Return true when the block cipher…
crypto_has_ablkcipher – Search for the availability of an ablkcipher. Synopsis int crypto_has_ablkcipher(const char *alg_name, u32 type, u32 mask); Arguments alg_name is the cra_name / name or cra_driver_name / driver name of the ablkcipher type specifies the type of the cipher mask specifies the mask for the cipher Return true when the ablkcipher is known to…
crypto_free_skcipher – zeroize and free cipher handle Synopsis void crypto_free_skcipher(struct crypto_skcipher *tfm); Arguments tfm cipher handle to be freed Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright