diff options
Diffstat (limited to 'src/libstrongswan/crypto/crypters')
| -rw-r--r-- | src/libstrongswan/crypto/crypters/crypter.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/libstrongswan/crypto/crypters/crypter.h b/src/libstrongswan/crypto/crypters/crypter.h index 3bf039681..fe854f53d 100644 --- a/src/libstrongswan/crypto/crypters/crypter.h +++ b/src/libstrongswan/crypto/crypters/crypter.h @@ -90,9 +90,10 @@ struct crypter_t { * @param data data to encrypt * @param iv initializing vector * @param encrypted chunk to allocate encrypted data, or NULL + * @return TRUE if encryption successful */ - void (*encrypt) (crypter_t *this, chunk_t data, chunk_t iv, - chunk_t *encrypted); + bool (*encrypt)(crypter_t *this, chunk_t data, chunk_t iv, + chunk_t *encrypted) __attribute__((warn_unused_result)); /** * Decrypt a chunk of data and allocate space for the decrypted value. @@ -104,9 +105,10 @@ struct crypter_t { * @param data data to decrypt * @param iv initializing vector * @param encrypted chunk to allocate decrypted data, or NULL + * @return TRUE if decryption successful */ - void (*decrypt) (crypter_t *this, chunk_t data, chunk_t iv, - chunk_t *decrypted); + bool (*decrypt)(crypter_t *this, chunk_t data, chunk_t iv, + chunk_t *decrypted) __attribute__((warn_unused_result)); /** * Get the block size of the crypto algorithm. @@ -117,7 +119,7 @@ struct crypter_t { * * @return block size in bytes */ - size_t (*get_block_size) (crypter_t *this); + size_t (*get_block_size)(crypter_t *this); /** * Get the IV size of the crypto algorithm. @@ -135,7 +137,7 @@ struct crypter_t { * * @return key size in bytes */ - size_t (*get_key_size) (crypter_t *this); + size_t (*get_key_size)(crypter_t *this); /** * Set the key. @@ -143,13 +145,15 @@ struct crypter_t { * The length of the key must match get_key_size(). * * @param key key to set + * @return TRUE if key set successfully */ - void (*set_key) (crypter_t *this, chunk_t key); + bool (*set_key)(crypter_t *this, + chunk_t key) __attribute__((warn_unused_result)); /** * Destroys a crypter_t object. */ - void (*destroy) (crypter_t *this); + void (*destroy)(crypter_t *this); }; /** |