TinyLoad

flowchart TD
    start["pack(in, out, vm, comp, veh, noconsole)"] --> load["loadFile(in) → orig"]
    load --> pe{"MZ + PE00 + Machine 0x8664 + NumberOfSections in 1..96?"}
    pe -->|fail| err["printf error / return false"]
    pe -->|ok| init["pay = orig    flags = 0"]
    
    init --> cdec{"--c ?"}
    cdec -->|yes| lz["flags |= 1<br/>lzPack: WINDOW=0xFFFF  MAXCHAIN=4096<br/>MAXMATCH=258  MINMATCH=3  HSIZE=65536<br/>hash4 = FNV-ish fold * 0x1000193<br/>lazy lookahead la = 1,2<br/>out = uint32le origSz + 8-token flag bytes<br/>match → varint dist, varint len-3"]
    cdec -->|no| vmq
    lz --> vmq{"--vm ?"}

    vmq -->|yes| scatter["flags |= 2<br/>Fisher-Yates 32 slots, scatter NUM_OPS=28<br/>into subtables 4x8, unused stay 0xFF<br/>opmap_enc op = tbl shl 6 OR idx"]
    scatter --> canary["canary corridor n=8, skip first 0x400 of pay<br/>canExp c = pay at off XOR prev"]
    canary --> mkvm["makeVmProgram opmap_enc, key1, key2, canary<br/>key1,key2 ← mt19937_64 TickCount64 XOR QPC<br/>opaque predicates + stream loop + canary mask"]
    mkvm --> venc["vmEncryptPayload  192-bit state<br/>k3 = 0x9E3779B97F4A7C15<br/>ks = uint8((k1 XOR k2) + k3)<br/>b = NOT(b XOR ks)<br/>k1 = rotl64(k1,11) XOR k2<br/>k2 = rotr64(k2,19) + k1 + k3<br/>k3 = k3 * phi XOR k1"]
    vmq -->|no| vehq
    venc --> vehq{"--veh ?"}

    vehq -->|yes| vflag["flags |= FLAG_VEH 4"]
    vehq -->|no| stub
    vflag --> stub["stub = loadFile GetModuleFileNameA self<br/>saveFile out, stub as host image"]

    stub --> skey["stubKey = 0x9E3779B97F4A7C15<br/>for i in 0x1000 .. min n, 0x2000:<br/>stubKey = (stubKey XOR stub i) * phi"]
    skey --> disp["prime vmRun dispKey=0 → fill g_off<br/>dispKey ← rng<br/>encOff j = uint64(g_off j) XOR dispKey"]

    disp --> tail["Tail: sig TINYLD60, origSz, packSz, flags,<br/>dispOff x28, subtables 4x8, vmCodeSz,<br/>dispKey, canary*, chunk*,<br/>payHash = SHA-256 orig first 8B"]
    tail --> hide["sig i XOR= stubKey shr 8i<br/>xorOpmap FNV-1a 0x811C9DC5 / 0x01000193<br/>feeds origSz, packSz, vmCodeSz + first 32B<br/>of vmCode and pay, per-table<br/>flags |= FLAG_CHUNK 8"]
    hide --> tenc["XOR-encode Tail fields with stubKey slices<br/>vmCode vi XOR= stubKey shr ((vi*3) and 63)"]

    tenc --> ovl["payload = vmCode || pay<br/>interleave: insert 0x00 after every 3 bytes"]
    ovl --> chunks["split into 4 chunks, shuffle physical order<br/>Tail placeholder TAIL_SERIALIZED_SZ = 419<br/>before each chunk: 128..640 RNG junk"]
    chunks --> tea["xxteaEncrypt bytes after Tail<br/>DELTA=0x9E3779B9  rounds=6+52/n<br/>remainder XOR pxKey0 xor pxKey1 xor pxKey2 xor pxKey3<br/>patch k i XOR FEEDF00D / CAFEBABE /<br/>DEADBEEF / 8BADF00D into _pxBlock<br/>between C0DE1337 and B007DEAD"]
    tea --> ser["XOR chunkOff / chunkSz / chunkOrder / chunkCnt<br/>serializeTail: 16 TLV records id + u16le sz + bytes<br/>Fisher-Yates order, LCG 1103515245+12345<br/>seed = stubKey XOR filesize<br/>append DWORD LE: tailOff XOR stubKey low 32"]

    ser --> fin{"--noconsole ?"}
    fin -->|yes| gui["OptionalHeader.Subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI"]
    fin -->|no| scr
    gui --> scr["scrambleSections: cycle names<br/>.text .data .rdata .bss .idata"]
    scr --> done["saveFile out, result"]