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Diffstat (limited to 'src/libstrongswan/plugins/blowfish/blowfish_crypter.c')
-rw-r--r--src/libstrongswan/plugins/blowfish/blowfish_crypter.c78
1 files changed, 38 insertions, 40 deletions
diff --git a/src/libstrongswan/plugins/blowfish/blowfish_crypter.c b/src/libstrongswan/plugins/blowfish/blowfish_crypter.c
index fb856ed37..784c07eaf 100644
--- a/src/libstrongswan/plugins/blowfish/blowfish_crypter.c
+++ b/src/libstrongswan/plugins/blowfish/blowfish_crypter.c
@@ -68,8 +68,6 @@ typedef struct private_blowfish_crypter_t private_blowfish_crypter_t;
/**
* Class implementing the Blowfish symmetric encryption algorithm.
- *
- * @ingroup crypters
*/
struct private_blowfish_crypter_t {
@@ -89,11 +87,9 @@ struct private_blowfish_crypter_t {
u_int32_t key_size;
};
-/**
- * Implementation of crypter_t.decrypt.
- */
-static void decrypt(private_blowfish_crypter_t *this, chunk_t data, chunk_t iv,
- chunk_t *decrypted)
+METHOD(crypter_t, decrypt, void,
+ private_blowfish_crypter_t *this, chunk_t data, chunk_t iv,
+ chunk_t *decrypted)
{
u_int8_t *in, *out;
@@ -114,11 +110,9 @@ static void decrypt(private_blowfish_crypter_t *this, chunk_t data, chunk_t iv,
free(iv.ptr);
}
-/**
- * Implementation of crypter_t.decrypt.
- */
-static void encrypt (private_blowfish_crypter_t *this, chunk_t data, chunk_t iv,
- chunk_t *encrypted)
+METHOD(crypter_t, encrypt, void,
+ private_blowfish_crypter_t *this, chunk_t data, chunk_t iv,
+ chunk_t *encrypted)
{
u_int8_t *in, *out;
@@ -139,34 +133,32 @@ static void encrypt (private_blowfish_crypter_t *this, chunk_t data, chunk_t iv,
free(iv.ptr);
}
-/**
- * Implementation of crypter_t.get_block_size.
- */
-static size_t get_block_size (private_blowfish_crypter_t *this)
+METHOD(crypter_t, get_block_size, size_t,
+ private_blowfish_crypter_t *this)
{
return BLOWFISH_BLOCK_SIZE;
}
-/**
- * Implementation of crypter_t.get_key_size.
- */
-static size_t get_key_size (private_blowfish_crypter_t *this)
+METHOD(crypter_t, get_iv_size, size_t,
+ private_blowfish_crypter_t *this)
+{
+ return BLOWFISH_BLOCK_SIZE;
+}
+
+METHOD(crypter_t, get_key_size, size_t,
+ private_blowfish_crypter_t *this)
{
return this->key_size;
}
-/**
- * Implementation of crypter_t.set_key.
- */
-static void set_key (private_blowfish_crypter_t *this, chunk_t key)
+METHOD(crypter_t, set_key, void,
+ private_blowfish_crypter_t *this, chunk_t key)
{
BF_set_key(&this->schedule, key.len , key.ptr);
}
-/**
- * Implementation of crypter_t.destroy and blowfish_crypter_t.destroy.
- */
-static void destroy (private_blowfish_crypter_t *this)
+METHOD(crypter_t, destroy, void,
+ private_blowfish_crypter_t *this)
{
free(this);
}
@@ -174,7 +166,8 @@ static void destroy (private_blowfish_crypter_t *this)
/*
* Described in header
*/
-blowfish_crypter_t *blowfish_crypter_create(encryption_algorithm_t algo, size_t key_size)
+blowfish_crypter_t *blowfish_crypter_create(encryption_algorithm_t algo,
+ size_t key_size)
{
private_blowfish_crypter_t *this;
@@ -183,15 +176,20 @@ blowfish_crypter_t *blowfish_crypter_create(encryption_algorithm_t algo, size_t
return NULL;
}
- this = malloc_thing(private_blowfish_crypter_t);
-
- this->key_size = key_size;
- this->public.crypter_interface.encrypt = (void (*) (crypter_t *, chunk_t,chunk_t, chunk_t *)) encrypt;
- this->public.crypter_interface.decrypt = (void (*) (crypter_t *, chunk_t , chunk_t, chunk_t *)) decrypt;
- this->public.crypter_interface.get_block_size = (size_t (*) (crypter_t *)) get_block_size;
- this->public.crypter_interface.get_key_size = (size_t (*) (crypter_t *)) get_key_size;
- this->public.crypter_interface.set_key = (void (*) (crypter_t *,chunk_t)) set_key;
- this->public.crypter_interface.destroy = (void (*) (crypter_t *)) destroy;
-
- return &(this->public);
+ INIT(this,
+ .public = {
+ .crypter = {
+ .encrypt = _encrypt,
+ .decrypt = _decrypt,
+ .get_block_size = _get_block_size,
+ .get_iv_size = _get_iv_size,
+ .get_key_size = _get_key_size,
+ .set_key = _set_key,
+ .destroy = _destroy,
+ },
+ },
+ .key_size = key_size ?: 16,
+ );
+
+ return &this->public;
}