diff options
Diffstat (limited to 'Source/charon/transforms/crypters/crypter.h')
| -rw-r--r-- | Source/charon/transforms/crypters/crypter.h | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/Source/charon/transforms/crypters/crypter.h b/Source/charon/transforms/crypters/crypter.h index 3d5a6869b..f9de213c4 100644 --- a/Source/charon/transforms/crypters/crypter.h +++ b/Source/charon/transforms/crypters/crypter.h @@ -1,7 +1,7 @@ /** * @file crypter.h * - * @brief Generic interface for encryption algorithms + * @brief Interface of crypter_t * */ @@ -23,13 +23,41 @@ #ifndef CRYPTER_H_ #define CRYPTER_H_ -#include <encoding/payloads/transform_substructure.h> +#include <types.h> +typedef enum encryption_algorithm_t encryption_algorithm_t; + +/** + * @brief Encryption algorithm, as in IKEv2 draft 3.3.2 + */ +enum encryption_algorithm_t { + ENCR_UNDEFINED = 1024, + ENCR_DES_IV64 = 1, + ENCR_DES = 2, + ENCR_3DES = 3, + ENCR_RC5 = 4, + ENCR_IDEA = 5, + ENCR_CAST = 6, + ENCR_BLOWFISH = 7, + ENCR_3IDEA = 8, + ENCR_DES_IV32 = 9, + RESERVED = 10, + ENCR_NULL = 11, + ENCR_AES_CBC = 12, + ENCR_AES_CTR = 13 +}; + +/** + * string mappings for encryption_algorithm_t + */ +extern mapping_t encryption_algorithm_m[]; typedef struct crypter_t crypter_t; /** - * Object representing a crypter object + * @brief Generic interface for symmetric encryption algorithms. + * + * @ingroup crypters */ struct crypter_t { /** @@ -59,36 +87,38 @@ struct crypter_t { /** * @brief get the block size of this crypter * - * @param this calling crypter - * @return block size in bytes + * @param this calling crypter + * @return block size in bytes */ size_t (*get_block_size) (crypter_t *this); /** * @brief Set the key for this crypter * - * @param this calling crypter - * @return block size in bytes + * @param this calling crypter + * @param key key to set + * @return + * - SUCCESS in any case */ status_t (*set_key) (crypter_t *this, chunk_t key); /** - * @brief Destroys a crypter object. + * @brief Destroys a crypter_t object. * - * @param this crypter_t object to destroy + * @param this crypter_t object to destroy * @return - * SUCCESS in any case + * - SUCCESS in any case */ status_t (*destroy) (crypter_t *this); }; /** - * Creates a new crypter_t object + * @brief Generic constructor for crypter_t objects. * - * @param pseudo_random_function Algorithm to use + * @param encryption_algorithm Algorithm to use for crypter * @return - * - crypter_t if successfully - * - NULL if out of ressources or crypter not supported + * - crypter_t if successfully + * - NULL if out of ressources or crypter not supported */ crypter_t *crypter_create(encryption_algorithm_t encryption_algorithm); |