diff options
Diffstat (limited to 'src/libstrongswan/crypto/crypto_factory.h')
| -rw-r--r-- | src/libstrongswan/crypto/crypto_factory.h | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/src/libstrongswan/crypto/crypto_factory.h b/src/libstrongswan/crypto/crypto_factory.h index 9c6effd26..ff06eda7b 100644 --- a/src/libstrongswan/crypto/crypto_factory.h +++ b/src/libstrongswan/crypto/crypto_factory.h @@ -25,6 +25,7 @@ typedef struct crypto_factory_t crypto_factory_t; #include <library.h> #include <crypto/crypters/crypter.h> +#include <crypto/aead.h> #include <crypto/signers/signer.h> #include <crypto/hashers/hasher.h> #include <crypto/prfs/prf.h> @@ -38,6 +39,11 @@ typedef struct crypto_factory_t crypto_factory_t; typedef crypter_t* (*crypter_constructor_t)(encryption_algorithm_t algo, size_t key_size); /** + * Constructor function for aead transforms + */ +typedef aead_t* (*aead_constructor_t)(encryption_algorithm_t algo, + size_t key_size); +/** * Constructor function for signers */ typedef signer_t* (*signer_constructor_t)(integrity_algorithm_t algo); @@ -59,8 +65,11 @@ typedef rng_t* (*rng_constructor_t)(rng_quality_t quality); /** * Constructor function for diffie hellman + * + * The DH constructor accepts additional arguments for: + * - MODP_CUSTOM: chunk_t generator, chunk_t prime */ -typedef diffie_hellman_t* (*dh_constructor_t)(diffie_hellman_group_t group); +typedef diffie_hellman_t* (*dh_constructor_t)(diffie_hellman_group_t group, ...); /** * Handles crypto modules and creates instances. @@ -78,6 +87,16 @@ struct crypto_factory_t { encryption_algorithm_t algo, size_t key_size); /** + * Create a aead instance. + * + * @param algo encryption algorithm + * @param key_size length of the key in bytes + * @return aead_t instance, NULL if not supported + */ + aead_t* (*create_aead)(crypto_factory_t *this, + encryption_algorithm_t algo, size_t key_size); + + /** * Create a symmetric signer instance. * * @param algo MAC algorithm to use @@ -113,11 +132,13 @@ struct crypto_factory_t { /** * Create a diffie hellman instance. * + * Additional arguments are passed to the DH constructor. + * * @param group diffie hellman group * @return diffie_hellman_t instance, NULL if not supported */ diffie_hellman_t* (*create_dh)(crypto_factory_t *this, - diffie_hellman_group_t group); + diffie_hellman_group_t group, ...); /** * Register a crypter constructor. @@ -137,6 +158,23 @@ struct crypto_factory_t { void (*remove_crypter)(crypto_factory_t *this, crypter_constructor_t create); /** + * Unregister a aead constructor. + * + * @param create constructor function to unregister + */ + void (*remove_aead)(crypto_factory_t *this, aead_constructor_t create); + + /** + * Register a aead constructor. + * + * @param algo algorithm to constructor + * @param create constructor function for that algorithm + * @return + */ + void (*add_aead)(crypto_factory_t *this, encryption_algorithm_t algo, + aead_constructor_t create); + + /** * Register a signer constructor. * * @param algo algorithm to constructor @@ -230,6 +268,13 @@ struct crypto_factory_t { enumerator_t* (*create_crypter_enumerator)(crypto_factory_t *this); /** + * Create an enumerator over all registered aead algorithms. + * + * @return enumerator over encryption_algorithm_t + */ + enumerator_t* (*create_aead_enumerator)(crypto_factory_t *this); + + /** * Create an enumerator over all registered signer algorithms. * * @return enumerator over integrity_algorithm_t @@ -261,9 +306,10 @@ struct crypto_factory_t { * Add a test vector to the crypto factory. * * @param type type of the test vector - * @param ... pointer to a test vector, defined in crypto_tester.h + * @param vector pointer to a test vector, defined in crypto_tester.h */ - void (*add_test_vector)(crypto_factory_t *this, transform_type_t type, ...); + void (*add_test_vector)(crypto_factory_t *this, transform_type_t type, + void *vector); /** * Destroy a crypto_factory instance. |