diff options
Diffstat (limited to 'src/libstrongswan/plugins/xcbc/xcbc_signer.c')
-rw-r--r-- | src/libstrongswan/plugins/xcbc/xcbc_signer.c | 77 |
1 files changed, 33 insertions, 44 deletions
diff --git a/src/libstrongswan/plugins/xcbc/xcbc_signer.c b/src/libstrongswan/plugins/xcbc/xcbc_signer.c index 1c98d39d7..ece592323 100644 --- a/src/libstrongswan/plugins/xcbc/xcbc_signer.c +++ b/src/libstrongswan/plugins/xcbc/xcbc_signer.c @@ -41,11 +41,8 @@ struct private_xcbc_signer_t { size_t block_size; }; -/** - * Implementation of signer_t.get_signature. - */ -static void get_signature(private_xcbc_signer_t *this, - chunk_t data, u_int8_t *buffer) +METHOD(signer_t, get_signature, void, + private_xcbc_signer_t *this, chunk_t data, u_int8_t *buffer) { if (buffer == NULL) { /* append mode */ @@ -60,11 +57,8 @@ static void get_signature(private_xcbc_signer_t *this, } } -/** - * Implementation of signer_t.allocate_signature. - */ -static void allocate_signature (private_xcbc_signer_t *this, - chunk_t data, chunk_t *chunk) +METHOD(signer_t, allocate_signature, void, + private_xcbc_signer_t *this, chunk_t data, chunk_t *chunk) { if (chunk == NULL) { /* append mode */ @@ -83,11 +77,8 @@ static void allocate_signature (private_xcbc_signer_t *this, } } -/** - * Implementation of signer_t.verify_signature. - */ -static bool verify_signature(private_xcbc_signer_t *this, - chunk_t data, chunk_t signature) +METHOD(signer_t, verify_signature, bool, + private_xcbc_signer_t *this, chunk_t data, chunk_t signature) { u_int8_t mac[this->xcbc->get_block_size(this->xcbc)]; @@ -100,38 +91,29 @@ static bool verify_signature(private_xcbc_signer_t *this, return memeq(signature.ptr, mac, this->block_size); } -/** - * Implementation of signer_t.get_key_size. - */ -static size_t get_key_size(private_xcbc_signer_t *this) +METHOD(signer_t, get_key_size, size_t, + private_xcbc_signer_t *this) { return this->xcbc->get_block_size(this->xcbc); } -/** - * Implementation of signer_t.get_block_size. - */ -static size_t get_block_size(private_xcbc_signer_t *this) +METHOD(signer_t, get_block_size, size_t, + private_xcbc_signer_t *this) { return this->block_size; } -/** - * Implementation of signer_t.set_key. - */ -static void set_key(private_xcbc_signer_t *this, chunk_t key) +METHOD(signer_t, set_key, void, + private_xcbc_signer_t *this, chunk_t key) { this->xcbc->set_key(this->xcbc, key); } -/** - * Implementation of signer_t.destroy. - */ -static status_t destroy(private_xcbc_signer_t *this) +METHOD(signer_t, destroy, void, + private_xcbc_signer_t *this) { this->xcbc->destroy(this->xcbc); free(this); - return SUCCESS; } /* @@ -149,6 +131,10 @@ xcbc_signer_t *xcbc_signer_create(integrity_algorithm_t algo) xcbc = xcbc_create(ENCR_AES_CBC, 16); trunc = 12; break; + case AUTH_CAMELLIA_XCBC_96: + xcbc = xcbc_create(ENCR_CAMELLIA_CBC, 16); + trunc = 12; + break; default: return NULL; } @@ -157,18 +143,21 @@ xcbc_signer_t *xcbc_signer_create(integrity_algorithm_t algo) return NULL; } - this = malloc_thing(private_xcbc_signer_t); - this->xcbc = xcbc; - this->block_size = min(trunc, xcbc->get_block_size(xcbc)); - - /* interface functions */ - this->public.signer_interface.get_signature = (void (*) (signer_t*, chunk_t, u_int8_t*))get_signature; - this->public.signer_interface.allocate_signature = (void (*) (signer_t*, chunk_t, chunk_t*))allocate_signature; - this->public.signer_interface.verify_signature = (bool (*) (signer_t*, chunk_t, chunk_t))verify_signature; - this->public.signer_interface.get_key_size = (size_t (*) (signer_t*))get_key_size; - this->public.signer_interface.get_block_size = (size_t (*) (signer_t*))get_block_size; - this->public.signer_interface.set_key = (void (*) (signer_t*,chunk_t))set_key; - this->public.signer_interface.destroy = (void (*) (signer_t*))destroy; + INIT(this, + .public = { + .signer = { + .get_signature = _get_signature, + .allocate_signature = _allocate_signature, + .verify_signature = _verify_signature, + .get_key_size = _get_key_size, + .get_block_size = _get_block_size, + .set_key = _set_key, + .destroy = _destroy, + }, + }, + .xcbc = xcbc, + .block_size = min(trunc, xcbc->get_block_size(xcbc)), + ); return &this->public; } |