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Switch to fetching default PBKDF values from library.

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This commit is contained in:
Milan Broz
2019-01-23 14:15:23 +01:00
parent 388afa07f4
commit 715b0c9b6c
2 changed files with 25 additions and 41 deletions
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28
src/cryptsetup.c
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@@ -922,24 +922,20 @@ static int action_benchmark(void)
static int set_pbkdf_params(struct crypt_device *cd, const char *dev_type)
{
const struct crypt_pbkdf_type *pbkdf_default;
struct crypt_pbkdf_type pbkdf = {};
if (!strcmp(dev_type, CRYPT_LUKS1)) {
if (opt_pbkdf && strcmp(opt_pbkdf, CRYPT_KDF_PBKDF2))
return -EINVAL;
pbkdf.type = CRYPT_KDF_PBKDF2;
pbkdf.hash = opt_hash ?: DEFAULT_LUKS1_HASH;
pbkdf.time_ms = opt_iteration_time ?: DEFAULT_LUKS1_ITER_TIME;
} else if (!strcmp(dev_type, CRYPT_LUKS2)) {
pbkdf.type = opt_pbkdf ?: DEFAULT_LUKS2_PBKDF;
pbkdf.hash = opt_hash ?: DEFAULT_LUKS1_HASH;
pbkdf.time_ms = opt_iteration_time ?: DEFAULT_LUKS2_ITER_TIME;
if (strcmp(pbkdf.type, CRYPT_KDF_PBKDF2)) {
pbkdf.max_memory_kb = opt_pbkdf_memory;
pbkdf.parallel_threads = opt_pbkdf_parallel;
}
} else
return 0;
pbkdf_default = crypt_get_pbkdf_default(dev_type);
if (!pbkdf_default)
return -EINVAL;
pbkdf.type = opt_pbkdf ?: pbkdf_default->type;
pbkdf.hash = opt_hash ?: pbkdf_default->hash;
pbkdf.time_ms = opt_iteration_time ?: pbkdf_default->time_ms;
if (strcmp(pbkdf.type, CRYPT_KDF_PBKDF2)) {
pbkdf.max_memory_kb = opt_pbkdf_memory ?: pbkdf_default->max_memory_kb;
pbkdf.parallel_threads = opt_pbkdf_parallel ?: pbkdf_default->parallel_threads;
}
if (opt_pbkdf_iterations) {
pbkdf.iterations = opt_pbkdf_iterations;