WebApr 14, 2024 · * The hash_alg_common data structure now adds the hash-specific * information. */ struct hash_alg_common {unsigned int digestsize; unsigned int statesize; struct crypto_alg base;}; struct ahash_request {struct crypto_async_request base; unsigned int nbytes; struct scatterlist * src; u8 * result; /* This field may only be used by the ahash … WebFeb 5, 2024 · struct crypto_shash *alg; char *hash_alg_name = "sha256"; unsigned int datalen = sizeof (data) - 1; // remove the null byte alg = crypto_alloc_shash (hash_alg_name, 0, 0); if (IS_ERR (alg)) { pr_info ("can't alloc alg %s\n", hash_alg_name); return PTR_ERR (alg); } calc_hash (alg, data, datalen, out_digest);
Linux-Kernel Archive: [PATCH 8/8] crypto: api - make the algorithm ...
http://events17.linuxfoundation.org/sites/events/files/slides/brezillon-crypto-framework_0.pdf Webstruct crypto_alg *q, *alg = NULL; down_read (&crypto_alg_sem); list_for_each_entry (q, &crypto_alg_list, cra_list) { int match = 0; if ( crypto_is_larval (q)) continue; if ( (q-> cra_flags ^ p-> cru_type) & p-> cru_mask) continue; if ( strlen (p-> cru_driver_name )) match = ! strcmp (q-> cra_driver_name, p-> cru_driver_name ); else if (!exact) first american poet laureate
Re: crypto: use-after-free in alg_bind
WebJun 20, 2012 · struct shash_desc *desc; desc = kmalloc (sizeof (*desc), GFP_KERNEL); desc->tfm = crypto_alloc_shash ("md5", 0, CRYPTO_ALG_ASYNC); This is because md5 engine will use memory past struct shash_desc for storing md5 context. The correct way to allocate struct shash_desc can be found here. *shash = crypto_alloc_shash (name, 0, 0); WebThe kernel Crypto API? I Generic in-kernel transformation API I Can do Cipher, Hash, Compress, RNG,... I Used by: I Network stack: IPsec, ... I Device Mapper: dm-crypt, RAID, ... I AF ALG and thus possibly userland Therefore, you want your drivers to be well written. Marek Va sut Writing drivers for the Linux Crypto subsystem WebMake AF_ALG sendmsg() support MSG_SPLICE_PAGES. This causes pages to be spliced from the source iterator if possible (the iterator must be ITER_BVEC and the pages must be spliceable). european wax center bowie town center