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plugin-feature: Add plugin feature for KDFs

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This commit is contained in:
Tobias Brunner
2022-04-14 18:54:24 +02:00
parent 961cb781b9
commit 71ba969884
2 changed files with 28 additions and 1 deletions
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src/libstrongswan/plugins/plugin_feature.c
+21
View File
@@ -32,6 +32,7 @@ ENUM(plugin_feature_names, FEATURE_NONE, FEATURE_CUSTOM,
"HASHER",
"PRF",
"XOF",
"KDF",
"DRBG",
"DH",
"RNG",
@@ -93,6 +94,9 @@ uint32_t plugin_feature_hash(plugin_feature_t *feature)
case FEATURE_XOF:
data = chunk_from_thing(feature->arg.xof);
break;
case FEATURE_KDF:
data = chunk_from_thing(feature->arg.kdf);
break;
case FEATURE_DRBG:
data = chunk_from_thing(feature->arg.drbg);
break;
@@ -171,6 +175,8 @@ bool plugin_feature_matches(plugin_feature_t *a, plugin_feature_t *b)
return a->arg.prf == b->arg.prf;
case FEATURE_XOF:
return a->arg.xof == b->arg.xof;
case FEATURE_KDF:
return a->arg.kdf == b->arg.kdf;
case FEATURE_DRBG:
return a->arg.drbg == b->arg.drbg;
case FEATURE_DH:
@@ -232,6 +238,7 @@ bool plugin_feature_equals(plugin_feature_t *a, plugin_feature_t *b)
case FEATURE_HASHER:
case FEATURE_PRF:
case FEATURE_XOF:
case FEATURE_KDF:
case FEATURE_DRBG:
case FEATURE_DH:
case FEATURE_NONCE_GEN:
@@ -327,6 +334,13 @@ char* plugin_feature_get_string(plugin_feature_t *feature)
return str;
}
break;
case FEATURE_KDF:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
key_derivation_function_names, feature->arg.kdf) > 0)
{
return str;
}
break;
case FEATURE_DRBG:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
drbg_type_names, feature->arg.drbg) > 0)
@@ -509,6 +523,10 @@ bool plugin_feature_load(plugin_t *plugin, plugin_feature_t *feature,
lib->crypto->add_xof(lib->crypto, feature->arg.xof,
name, reg->arg.reg.f);
break;
case FEATURE_KDF:
lib->crypto->add_kdf(lib->crypto, feature->arg.kdf,
name, reg->arg.reg.f);
break;
case FEATURE_DRBG:
lib->crypto->add_drbg(lib->crypto, feature->arg.drbg,
name, reg->arg.reg.f);
@@ -612,6 +630,9 @@ bool plugin_feature_unload(plugin_t *plugin, plugin_feature_t *feature,
case FEATURE_XOF:
lib->crypto->remove_xof(lib->crypto, reg->arg.reg.f);
break;
case FEATURE_KDF:
lib->crypto->remove_kdf(lib->crypto, reg->arg.reg.f);
break;
case FEATURE_DRBG:
lib->crypto->remove_drbg(lib->crypto, reg->arg.reg.f);
break;
src/libstrongswan/plugins/plugin_feature.h
+7 -1
View File
@@ -113,6 +113,8 @@ struct plugin_feature_t {
FEATURE_PRF,
/** xof_t */
FEATURE_XOF,
/** kdf_t */
FEATURE_KDF,
/** drbg_t */
FEATURE_DRBG,
/** diffie_hellman_t */
@@ -176,8 +178,10 @@ struct plugin_feature_t {
integrity_algorithm_t signer;
/** FEATURE_PRF */
pseudo_random_function_t prf;
/** FEATURE_XOFF */
/** FEATURE_XOF */
ext_out_function_t xof;
/** FEATURE_KDF */
key_derivation_function_t kdf;
/** FEATURE_DRBG */
drbg_type_t drbg;
/** FEATURE_HASHER */
@@ -288,6 +292,7 @@ struct plugin_feature_t {
#define _PLUGIN_FEATURE_HASHER(kind, alg) __PLUGIN_FEATURE(kind, HASHER, .hasher = alg)
#define _PLUGIN_FEATURE_PRF(kind, alg) __PLUGIN_FEATURE(kind, PRF, .prf = alg)
#define _PLUGIN_FEATURE_XOF(kind, alg) __PLUGIN_FEATURE(kind, XOF, .xof = alg)
#define _PLUGIN_FEATURE_KDF(kind, alg) __PLUGIN_FEATURE(kind, KDF, .kdf = alg)
#define _PLUGIN_FEATURE_DRBG(kind, type) __PLUGIN_FEATURE(kind, DRBG, .drbg = type)
#define _PLUGIN_FEATURE_DH(kind, group) __PLUGIN_FEATURE(kind, DH, .dh_group = group)
#define _PLUGIN_FEATURE_RNG(kind, quality) __PLUGIN_FEATURE(kind, RNG, .rng_quality = quality)
@@ -322,6 +327,7 @@ struct plugin_feature_t {
#define _PLUGIN_FEATURE_REGISTER_HASHER(type, f) __PLUGIN_FEATURE_REGISTER(type, f)
#define _PLUGIN_FEATURE_REGISTER_PRF(type, f) __PLUGIN_FEATURE_REGISTER(type, f)
#define _PLUGIN_FEATURE_REGISTER_XOF(type, f) __PLUGIN_FEATURE_REGISTER(type, f)
#define _PLUGIN_FEATURE_REGISTER_KDF(type, f) __PLUGIN_FEATURE_REGISTER(type, f)
#define _PLUGIN_FEATURE_REGISTER_DRBG(type, f) __PLUGIN_FEATURE_REGISTER(type, f)
#define _PLUGIN_FEATURE_REGISTER_DH(type, f) __PLUGIN_FEATURE_REGISTER(type, f)
#define _PLUGIN_FEATURE_REGISTER_RNG(type, f) __PLUGIN_FEATURE_REGISTER(type, f)