Merge branch 'ofw-dev' into dev

lib/toolbox/SConscript

@@ -10,6 +10,7 @@ env.Append(
     SDK_HEADERS=[
         File("api_lock.h"),
         File("value_index.h"),
+        File("compress.h"),
         File("manchester_decoder.h"),
         File("manchester_encoder.h"),
         File("path.h"),

lib/toolbox/md5_calc.c

@@ -0,0 +1,44 @@
+#include "md5.h"
+#include "md5_calc.h"
+
+bool md5_calc_file(File* file, const char* path, unsigned char output[16], FS_Error* file_error) {
+    bool result = storage_file_open(file, path, FSAM_READ, FSOM_OPEN_EXISTING);
+
+    if(result) {
+        const uint16_t size_to_read = 512;
+        uint8_t* data = malloc(size_to_read);
+        md5_context* md5_ctx = malloc(sizeof(md5_context));
+
+        md5_starts(md5_ctx);
+        while(true) {
+            uint16_t read_size = storage_file_read(file, data, size_to_read);
+            if(read_size == 0) break;
+            md5_update(md5_ctx, data, read_size);
+        }
+        md5_finish(md5_ctx, output);
+        free(md5_ctx);
+        free(data);
+    }
+
+    if(file_error != NULL) {
+        *file_error = storage_file_get_error(file);
+    }
+
+    storage_file_close(file);
+    return result;
+}
+
+bool md5_string_calc_file(File* file, const char* path, FuriString* output, FS_Error* file_error) {
+    const size_t hash_size = 16;
+    unsigned char hash[hash_size];
+    bool result = md5_calc_file(file, path, hash, file_error);
+
+    if(result) {
+        furi_string_set(output, "");
+        for(size_t i = 0; i < hash_size; i++) {
+            furi_string_cat_printf(output, "%02x", hash[i]);
+        }
+    }
+
+    return result;
+}

lib/toolbox/md5_calc.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stdint.h>
+#include <storage/storage.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool md5_calc_file(File* file, const char* path, unsigned char output[16], FS_Error* file_error);
+
+bool md5_string_calc_file(File* file, const char* path, FuriString* output, FS_Error* file_error);
+
+#ifdef __cplusplus
+}
+#endif