add buffer encryption to "boxes"

3 files changed, 55 insertions, 0 deletions

diff --git a/include/aesni/box.h b/include/aesni/box.h
index 3dfbc9e..12daa2e 100644
--- a/include/aesni/box.h
+++ b/include/aesni/box.h
@@ -11,6 +11,8 @@
 #include "box_data.h"
 #include "error.h"
 
+#include <stdlib.h>
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -36,6 +38,22 @@ AesNI_StatusCode aesni_box_decrypt_block(
     AesNI_BoxBlock* plaintext,
     AesNI_ErrorDetails* err_details);
 
+AesNI_StatusCode aesni_box_encrypt_buffer(
+    AesNI_Box* box,
+    const void* src,
+    size_t src_size,
+    void* dest,
+    size_t* dest_size,
+    AesNI_ErrorDetails* err_details);
+
+AesNI_StatusCode aesni_box_decrypt_buffer(
+    AesNI_Box* box,
+    const void* src,
+    size_t src_size,
+    void* dest,
+    size_t* dest_size,
+    AesNI_ErrorDetails* err_details);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/aesni/box_data.h b/include/aesni/box_data.h
index 327c9bc..9789f0f 100644
--- a/include/aesni/box_data.h
+++ b/include/aesni/box_data.h
@@ -97,6 +97,34 @@ typedef AesNI_StatusCode (*AesNI_BoxGetBlockSize)(
     size_t*,
     AesNI_ErrorDetails*);
 
+typedef AesNI_StatusCode (*AesNI_BoxStoreBlock)(
+    void*,
+    const AesNI_BoxBlock*,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxStorePartialBlock)(
+    void*,
+    const AesNI_BoxBlock*,
+    size_t,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxLoadBlock)(
+    AesNI_BoxBlock*,
+    const void*,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxLoadPartialBlock)(
+    AesNI_BoxBlock*,
+    const void*,
+    size_t,
+    AesNI_ErrorDetails*);
+
+typedef AesNI_StatusCode (*AesNI_BoxLoadBlockWithPadding)(
+    AesNI_BoxBlock*,
+    const void*,
+    size_t,
+    AesNI_ErrorDetails*);
+
 typedef struct
 {
     AesNI_BoxDeriveParams derive_params;
@@ -105,6 +133,11 @@ typedef struct
     AesNI_BoxXorBlock xor_block;
     AesNI_BoxNextCounter next_counter;
     AesNI_BoxGetBlockSize get_block_size;
+    AesNI_BoxStoreBlock store_block;
+    AesNI_BoxStorePartialBlock store_partial_block;
+    AesNI_BoxLoadBlock load_block;
+    AesNI_BoxLoadPartialBlock load_partial_block;
+    AesNI_BoxLoadBlockWithPadding load_block_with_padding;
 }
 AesNI_BoxAlgorithmInterface;
 
diff --git a/include/aesni/error.h b/include/aesni/error.h
index 015b16d..e78406a 100644
--- a/include/aesni/error.h
+++ b/include/aesni/error.h
@@ -47,6 +47,7 @@ typedef enum
     AESNI_PARSE_ERROR,                 ///< Couldn't parse
     AESNI_INVALID_PKCS7_PADDING_ERROR, ///< Invalid PKCS7 padding while decrypting
     AESNI_NOT_IMPLEMENTED_ERROR,       ///< Not implemented
+    AESNI_INVALID_PLAINTEXT_LENGTH_ERROR,
 }
 AesNI_StatusCode;
 
@@ -167,6 +168,9 @@ AesNI_StatusCode aesni_error_not_implemented(
     AesNI_ErrorDetails* err_details,
     const char* what);
 
+AesNI_StatusCode aesni_error_invalid_plaintext_length(
+    AesNI_ErrorDetails* err_details);
+
 #ifdef __cplusplus
 }
 #endif