crypto_ahash_init – (re)initialize message digest handle Synopsis int crypto_ahash_init(struct ahash_request *req); Arguments req ahash_request handle that already is initialized with all necessary data using the ahash_request_* API functions Description The call (re-)initializes the message digest referenced by the ahash_request handle. Any potentially existing state created by previous operations is discarded. Return 0 if the message…
crypto_ahash_import – import message digest state Synopsis int crypto_ahash_import(struct ahash_request *req, const void *in); Arguments req reference to ahash_request handle the state is imported into in buffer holding the state Description This function imports the hash state into the ahash_request handle from the input buffer. That buffer should have been generated with the crypto_ahash_export function….
crypto_ahash_finup – update and finalize message digest Synopsis int crypto_ahash_finup(struct ahash_request *req); Arguments req reference to the ahash_request handle that holds all information needed to perform the cipher operation Description This function is a “short-hand” for the function calls of crypto_ahash_update and crypto_shash_final. The parameters have the same meaning as discussed for those separate functions….
crypto_ahash_final – calculate message digest Synopsis int crypto_ahash_final(struct ahash_request *req); Arguments req reference to the ahash_request handle that holds all information needed to perform the cipher operation Description Finalize the message digest operation and create the message digest based on all data added to the cipher handle. The message digest is placed into the output…
crypto_ahash_export – extract current message digest state Synopsis int crypto_ahash_export(struct ahash_request *req, void *out); Arguments req reference to the ahash_request 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 ahash_request handle into the caller-allocated output buffer out which…
crypto_ahash_digestsize – obtain message digest size Synopsis unsigned int crypto_ahash_digestsize(struct crypto_ahash *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 message digest size of cipher Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author….
crypto_ahash_digest – calculate message digest for a buffer Synopsis int crypto_ahash_digest(struct ahash_request *req); Arguments req reference to the ahash_request handle that holds all information needed to perform the cipher operation Description This function is a “short-hand” for the function calls of crypto_ahash_init, crypto_ahash_update and crypto_ahash_final. The parameters have the same meaning as discussed for those…
crypto_aead_setkey – set key for cipher Synopsis int crypto_aead_setkey(struct crypto_aead *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 AEAD referenced by the cipher handle. Note, the key length determines the cipher…
crypto_aead_setauthsize – set authentication data size Synopsis int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); Arguments tfm cipher handle authsize size of the authentication data / tag in bytes Description Set the authentication data size / tag size. AEAD requires an authentication tag (or MAC) in addition to the associated data. Return 0 if the setting…
crypto_aead_reqsize – obtain size of the request data structure Synopsis unsigned int crypto_aead_reqsize(struct crypto_aead *tfm); Arguments tfm cipher handle Return number of bytes Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright
crypto_aead_ivsize – obtain IV size Synopsis unsigned int crypto_aead_ivsize(struct crypto_aead *tfm); Arguments tfm cipher handle Description The size of the IV for the aead referenced by the cipher handle is returned. This IV size may be zero if the cipher does not need an IV. Return IV size in bytes Authors Stephan Mueller <smueller [at]…
crypto_aead_encrypt – encrypt plaintext Synopsis int crypto_aead_encrypt(struct aead_request *req); Arguments req reference to the aead_request handle that holds all information needed to perform the cipher operation Description Encrypt plaintext data using the aead_request handle. That data structure and how it is filled with data is discussed with the aead_request_* functions. IMPORTANT NOTE The encryption operation…
crypto_aead_decrypt – decrypt ciphertext Synopsis int crypto_aead_decrypt(struct aead_request *req); Arguments req reference to the ablkcipher_request handle that holds all information needed to perform the cipher operation Description Decrypt ciphertext data using the aead_request handle. That data structure and how it is filled with data is discussed with the aead_request_* functions. IMPORTANT NOTE The caller must…
crypto_aead_blocksize – obtain block size of cipher Synopsis unsigned int crypto_aead_blocksize(struct crypto_aead *tfm); Arguments tfm cipher handle Description The block size for the AEAD referenced with the cipher handle is returned. The caller may use that information to allocate appropriate memory for the data returned by the encryption or decryption operation Return block size of…
crypto_aead_authsize – obtain maximum authentication data size Synopsis unsigned int crypto_aead_authsize(struct crypto_aead *tfm); Arguments tfm cipher handle Description The maximum size of the authentication data for the AEAD cipher referenced by the AEAD cipher handle is returned. The authentication data size may be zero if the cipher implements a hard-coded maximum. The authentication data may…
crypto_ablkcipher_setkey – set key for cipher Synopsis int crypto_ablkcipher_setkey(struct crypto_ablkcipher *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 ablkcipher referenced by the cipher handle. Note, the key length determines the cipher…
crypto_ablkcipher_reqtfm – obtain cipher handle from request Synopsis struct crypto_ablkcipher *crypto_ablkcipher_reqtfm(struct ablkcipher_request *req); Arguments req ablkcipher_request out of which the cipher handle is to be obtained Description Return the crypto_ablkcipher handle when furnishing an ablkcipher_request data structure. Return crypto_ablkcipher handle Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright
crypto_ablkcipher_reqsize – obtain size of the request data structure Synopsis unsigned int crypto_ablkcipher_reqsize(struct crypto_ablkcipher *tfm); Arguments tfm cipher handle Return number of bytes Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright
crypto_ablkcipher_ivsize – obtain IV size Synopsis unsigned int crypto_ablkcipher_ivsize(struct crypto_ablkcipher *tfm); Arguments tfm cipher handle Description The size of the IV for the ablkcipher referenced by the cipher handle is returned. This IV size may be zero if the cipher does not need an IV. Return IV size in bytes Authors Stephan Mueller <smueller [at]…
crypto_ablkcipher_encrypt – encrypt plaintext Synopsis int crypto_ablkcipher_encrypt(struct ablkcipher_request *req); Arguments req reference to the ablkcipher_request handle that holds all information needed to perform the cipher operation Description Encrypt plaintext data using the ablkcipher_request handle. That data structure and how it is filled with data is discussed with the ablkcipher_request_* functions. Return 0 if the cipher…