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Version v0.2.7 - Automatic version increment

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Laan Tungir
2025-08-10 09:06:53 -04:00
parent 487432c399
commit bb17b0a7be
1 changed files with 12 additions and 3 deletions
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15
otp.c
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@@ -764,11 +764,11 @@ int generate_pad_with_entropy(uint64_t size_bytes, int display_progress, int use
printf("Warning: Cannot set pad file to read-only\n"); printf("Warning: Cannot set pad file to read-only\n");
} }
// Initialize state file with offset 0 // Initialize state file with offset 32 (first 32 bytes used for checksum encryption)
FILE* state_file = fopen(state_path, "wb"); FILE* state_file = fopen(state_path, "wb");
if (state_file) { if (state_file) {
uint64_t zero = 0; uint64_t reserved_bytes = 32;
fwrite(&zero, sizeof(uint64_t), 1, state_file); fwrite(&reserved_bytes, sizeof(uint64_t), 1, state_file);
fclose(state_file); fclose(state_file);
} else { } else {
printf("Error: Failed to create state file\n"); printf("Error: Failed to create state file\n");
@@ -816,6 +816,15 @@ int encrypt_text(const char* pad_identifier) {
return 1; return 1;
} }
// Ensure we never encrypt before offset 32 (reserved for checksum encryption)
if (current_offset < 32) {
printf("Warning: State offset below reserved area, adjusting to 32\n");
current_offset = 32;
if (write_state_offset(pad_hash, current_offset) != 0) {
printf("Warning: Failed to update state file\n");
}
}
// Calculate XOR checksum of pad file // Calculate XOR checksum of pad file
if (calculate_checksum(pad_path, hash_hex) != 0) { if (calculate_checksum(pad_path, hash_hex) != 0) {
printf("Error: Cannot calculate pad checksum\n"); printf("Error: Cannot calculate pad checksum\n");