/* * crypto.h * * API for libcrypto *  * David A. McGrew * Cisco Systems, Inc. */#ifndef CRYPTO_H#define CRYPTO_H/**  *  @brief A cipher_type_id_t is an identifier for a particular cipher *  type. * *  A cipher_type_id_t is an integer that represents a particular *  cipher type, e.g. the Advanced Encryption Standard (AES).  A *  NULL_CIPHER is avaliable; this cipher leaves the data unchanged, *  and can be selected to indicate that no encryption is to take *  place. *  *  @ingroup Ciphers */typedef uint32_t cipher_type_id_t; /** *  @brief An auth_type_id_t is an identifier for a particular authentication *   function. * *  An auth_type_id_t is an integer that represents a particular *  authentication function type, e.g. HMAC-SHA1.  A NULL_AUTH is *  avaliable; this authentication function performs no computation, *  and can be selected to indicate that no authentication is to take *  place. *   *  @ingroup Authentication */typedef uint32_t auth_type_id_t;#endif /* CRYPTO_H */