diff options
Diffstat (limited to 'src/libstrongswan/crypto/crypto_factory.c')
| -rw-r--r-- | src/libstrongswan/crypto/crypto_factory.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/libstrongswan/crypto/crypto_factory.c b/src/libstrongswan/crypto/crypto_factory.c index 27a2b83a3..60cd14865 100644 --- a/src/libstrongswan/crypto/crypto_factory.c +++ b/src/libstrongswan/crypto/crypto_factory.c @@ -29,6 +29,7 @@ struct entry_t { /* constructor */ union { crypter_constructor_t create_crypter; + aead_constructor_t create_aead; signer_constructor_t create_signer; hasher_constructor_t create_hasher; prf_constructor_t create_prf; @@ -56,6 +57,11 @@ struct private_crypto_factory_t { linked_list_t *crypters; /** + * registered aead transforms, as entry_t + */ + linked_list_t *aeads; + + /** * registered signers, as entry_t */ linked_list_t *signers; @@ -138,6 +144,38 @@ METHOD(crypto_factory_t, create_crypter, crypter_t*, return crypter; } +METHOD(crypto_factory_t, create_aead, aead_t*, + private_crypto_factory_t *this, encryption_algorithm_t algo, + size_t key_size) +{ + enumerator_t *enumerator; + entry_t *entry; + aead_t *aead = NULL; + + this->lock->read_lock(this->lock); + enumerator = this->aeads->create_enumerator(this->aeads); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->algo == algo) + { + if (this->test_on_create && + !this->tester->test_aead(this->tester, algo, key_size, + entry->create_aead, NULL)) + { + continue; + } + aead = entry->create_aead(algo, key_size); + if (aead) + { + break; + } + } + } + enumerator->destroy(enumerator); + this->lock->unlock(this->lock); + return aead; +} + METHOD(crypto_factory_t, create_signer, signer_t*, private_crypto_factory_t *this, integrity_algorithm_t algo) { @@ -372,6 +410,40 @@ METHOD(crypto_factory_t, remove_crypter, void, this->lock->unlock(this->lock); } +METHOD(crypto_factory_t, add_aead, void, + private_crypto_factory_t *this, encryption_algorithm_t algo, + aead_constructor_t create) +{ + u_int speed = 0; + + if (!this->test_on_add || + this->tester->test_aead(this->tester, algo, 0, create, + this->bench ? &speed : NULL)) + { + add_entry(this, this->aeads, algo, speed, create); + } +} + +METHOD(crypto_factory_t, remove_aead, void, + private_crypto_factory_t *this, aead_constructor_t create) +{ + entry_t *entry; + enumerator_t *enumerator; + + this->lock->write_lock(this->lock); + enumerator = this->aeads->create_enumerator(this->aeads); + while (enumerator->enumerate(enumerator, &entry)) + { + if (entry->create_aead == create) + { + this->aeads->remove_at(this->aeads, enumerator); + free(entry); + } + } + enumerator->destroy(enumerator); + this->lock->unlock(this->lock); +} + METHOD(crypto_factory_t, add_signer, void, private_crypto_factory_t *this, integrity_algorithm_t algo, signer_constructor_t create) @@ -586,6 +658,12 @@ METHOD(crypto_factory_t, create_crypter_enumerator, enumerator_t*, return create_enumerator(this, this->crypters, crypter_filter); } +METHOD(crypto_factory_t, create_aead_enumerator, enumerator_t*, + private_crypto_factory_t *this) +{ + return create_enumerator(this, this->aeads, crypter_filter); +} + /** * Filter function to enumerate algorithm, not entry */ @@ -653,6 +731,8 @@ METHOD(crypto_factory_t, add_test_vector, void, { case ENCRYPTION_ALGORITHM: return this->tester->add_crypter_vector(this->tester, vector); + case AEAD_ALGORITHM: + return this->tester->add_aead_vector(this->tester, vector); case INTEGRITY_ALGORITHM: return this->tester->add_signer_vector(this->tester, vector); case HASH_ALGORITHM: @@ -671,6 +751,7 @@ METHOD(crypto_factory_t, destroy, void, private_crypto_factory_t *this) { this->crypters->destroy(this->crypters); + this->aeads->destroy(this->aeads); this->signers->destroy(this->signers); this->hashers->destroy(this->hashers); this->prfs->destroy(this->prfs); @@ -691,6 +772,7 @@ crypto_factory_t *crypto_factory_create() INIT(this, .public = { .create_crypter = _create_crypter, + .create_aead = _create_aead, .create_signer = _create_signer, .create_hasher = _create_hasher, .create_prf = _create_prf, @@ -698,6 +780,8 @@ crypto_factory_t *crypto_factory_create() .create_dh = _create_dh, .add_crypter = _add_crypter, .remove_crypter = _remove_crypter, + .add_aead = _add_aead, + .remove_aead = _remove_aead, .add_signer = _add_signer, .remove_signer = _remove_signer, .add_hasher = _add_hasher, @@ -709,6 +793,7 @@ crypto_factory_t *crypto_factory_create() .add_dh = _add_dh, .remove_dh = _remove_dh, .create_crypter_enumerator = _create_crypter_enumerator, + .create_aead_enumerator = _create_aead_enumerator, .create_signer_enumerator = _create_signer_enumerator, .create_hasher_enumerator = _create_hasher_enumerator, .create_prf_enumerator = _create_prf_enumerator, @@ -717,6 +802,7 @@ crypto_factory_t *crypto_factory_create() .destroy = _destroy, }, .crypters = linked_list_create(), + .aeads = linked_list_create(), .signers = linked_list_create(), .hashers = linked_list_create(), .prfs = linked_list_create(), |