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2026-07-20 19:01:03 +08:00
parent ea01b9cf99
commit ef1bf61f9f
4484 changed files with 937163 additions and 1 deletions
@@ -0,0 +1,46 @@
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <stdio.h>
+#include "id_io.h"
+
+int readKeyPairFromFile(const char *fileName, char *keyPair) {
+    FILE *file;
+
+    file = fopen(fileName, "r");
+    if(file == NULL) {
+        printf("Could not open file '%s' for reading keypair\n", fileName);
+        return -1;
+    }
+
+    fgets(keyPair, BUFSIZ, file);
+    if(ferror(file) != 0) {
+        fclose (file);
+        printf("Error reading keypair from file '%s'.\n", fileName);
+        return -1;
+    }
+    fclose (file);
+
+    printf("Read keypair '%s' from file '%s'.\n", keyPair, fileName);
+    return 0;
+}
+
+int writeKeyPairToFile(const char *fileName, const char* keyPair) {
+    FILE *file;
+
+    file = fopen(fileName, "w");
+    if(file == NULL) {
+        printf("Could not open file '%s' for writing keypair\n", fileName);
+        return -1;
+    }
+    
+    fputs(keyPair, file);
+    if(ferror(file) != 0) {
+        fclose (file);
+        printf("Error writing keypair to file '%s'.\n", fileName);
+        return -1;
+    }
+    fclose (file);
+
+    printf("Wrote keypair '%s' to file '%s'.\n", keyPair, fileName);
+    return 0;
+}