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-rw-r--r--src/crypto/cipher/null/memcpy/null_memcpy.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/crypto/cipher/null/memcpy/null_memcpy.c b/src/crypto/cipher/null/memcpy/null_memcpy.c
index a2c0df9..089817f 100644
--- a/src/crypto/cipher/null/memcpy/null_memcpy.c
+++ b/src/crypto/cipher/null/memcpy/null_memcpy.c
@@ -23,22 +23,32 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/**
+ \file
+
+ The memcpy null implementation
+*/
+
#include "../../../../crypto.h"
+/** Doesn't do anything as the null cipher doesn't use any state */
static fastd_cipher_state_t* null_init(const uint8_t *key UNUSED) {
return NULL;
}
+/** Just copies the input data to the output */
static bool null_memcpy(const fastd_cipher_state_t *state UNUSED, fastd_block128_t *out, const fastd_block128_t *in, size_t len, const uint8_t *iv UNUSED) {
memcpy(out, in, len);
return true;
}
+/** Doesn't do anything as the null cipher doesn't use any state */
static void null_free(fastd_cipher_state_t *state UNUSED) {
}
+/** The memcpy null implementation */
const fastd_cipher_t fastd_cipher_null_memcpy = {
.init = null_init,
.crypt = null_memcpy,