Function report |
Source Code:fs\verity\hash_algs.c |
Create Date:2022-07-28 20:24:38 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:sverity_get_hash_alg() - validate and prepare a hash algorithm*@inode: optional inode for logging purposes*@num: the hash algorithm number* Get the struct fsverity_hash_alg for the given hash algorithm number, and
Proto:const struct fsverity_hash_alg *fsverity_get_hash_alg(const struct inode *inode, unsigned int num)
Type:struct fsverity_hash_alg
Parameter:
Type | Parameter | Name |
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const struct inode * | inode | |
unsigned int | num |
48 | fsverity_warn(inode, "Unknown hash algorithm number: %u", num) |
55 | If Value is more likely to compile time(tfm != NULL) Then Return alg |
61 | tfm = crypto_alloc_ahash(crypto API name, e.g. sha256 , 0, 0) |
64 | fsverity_warn(inode, "Missing crypto API support for hash algorithm \"%s\"", crypto API name, e.g. sha256 ) |
69 | fsverity_err(inode, "Error allocating hash algorithm \"%s\": %ld", crypto API name, e.g. sha256 , PTR_ERR(tfm)) |
81 | pr_info("%s using implementation \"%s\"\n", crypto API name, e.g. sha256 , crypto_ahash_driver_name(tfm)) |
85 | If (cmpxchg( & hash tfm, allocated on demand , NULL, tfm) != NULL) Then rypto_free_ahash() - zeroize and free the ahash handle*@tfm: cipher handle to be freed |
88 | Return alg |
90 | err_free_tfm : |
Name | Describe |
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fsverity_init_merkle_tree_params | sverity_init_merkle_tree_params() - initialize Merkle tree parameters*@params: the parameters struct to initialize*@inode: the inode for which the Merkle tree is being built*@hash_algorithm: number of hash algorithm to use*@log_blocksize: log base 2 of |
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