int ilen = data.length, olen = out.length;
        int msbit = ((ilen << 3) - 1 + ((ilen << 3) + 13) * (i / ilen) + (ilen - i % ilen << 3)) % (ilen << 3);
        int mshigh = msbit >>> 3, mslow = msbit & 7;
        int b = c + (out[i % olen] & 0xff)
                + (((data[(ilen - 1 - mshigh) % ilen] & 0xff) << 8 | data[(ilen - mshigh) % ilen] & 0xff) >>> mslow + 1 & 0xff);

      }

      // Copy the replacement string into the dest buffer as needed.
      if (rlen > 0) {
        System.arraycopy(r, 0, dest, destIndex, rlen);
        destIndex += rlen;
      }
      lastEscape = index + 1;
    }

    // Copy leftover characters if there are any.
    int charsLeft = slen - lastEscape;
    if (charsLeft > 0) {
      int sizeNeeded = destIndex + charsLeft;

    }

    @Override
    public final void writeChars(final String s) throws SmbException {
        final int clen = s.length();
        final int blen = 2 * clen;
        final byte[] b = new byte[blen];
        final char[] c = new char[clen];
        s.getChars(0, clen, c, 0);
        for (int i = 0, j = 0; i < clen; i++) {
            b[j] = (byte) (c[i] >>> 8);
            j++;
            b[j++] = (byte) (c[i] >>> 0);

			if err != nil {
				t.Errorf("Case %d: unexpected err: %v", i, err)
			}
			rLen := pkgSz + 32
			if test.decSz < pkgSz {
				rLen = test.decSz + 32
			}
			if skip != 0 || sn != 0 || ps != 0 || o != 0 || l != rLen {
				t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
			}
		}

		kb32 := int64(32) * humanize.KiByte

    }

    @Override
    public final void writeChars(final String s) throws SmbException {
        final int clen = s.length();
        final int blen = 2 * clen;
        final byte[] b = new byte[blen];
        final char[] c = new char[clen];
        s.getChars(0, clen, c, 0);
        for (int i = 0, j = 0; i < clen; i++) {
            b[j] = (byte) (c[i] >>> 8);
            j++;
            b[j++] = (byte) (c[i] >>> 0);

     * @param ki the starting offset in the key array
     * @param klen the length of the key to use
     */
    public void init(final byte[] key, final int ki, final int klen) {
        s = new byte[256];

        for (i = 0; i < 256; i++) {
            s[i] = (byte) i;
        }

        for (i = j = 0; i < 256; i++) {
            j = j + key[ki + i % klen] + s[i] & 0xff;
            final byte t = s[i];
            s[i] = s[j];

      }

      // Copy the replacement string into the dest buffer as needed.
      if (rlen > 0) {
        System.arraycopy(r, 0, dest, destIndex, rlen);
        destIndex += rlen;
      }
      lastEscape = index + 1;
    }

    // Copy leftover characters if there are any.
    int charsLeft = slen - lastEscape;
    if (charsLeft > 0) {
      int sizeNeeded = destIndex + charsLeft;

	// look for directoryEndSignature in the last 1k, then in the last 65k
	var buf []byte
	var directoryEndOffset int64
	for i, bLen := range []int64{1024, 65 * 1024} {
		if bLen > size {
			bLen = size
		}
		buf = make([]byte, int(bLen))
		if _, err := r.ReadAt(buf, size-bLen); err != nil && err != io.EOF {
			return nil, 0, err
		}

		length--
	}

	i := strings.LastIndex(name[:length], "/")
	nlen := len(name) - i - 1 // nlen is length of suffix
	plen := i                 // plen is length of prefix
	if i <= 0 || nlen > nameSize || nlen == 0 || plen > prefixSize {
		return "", "", false
	}
	return name[:i], name[i+1:], true
}

// Write writes to the current file in the tar archive.
// Write returns the error [ErrWriteTooLong] if more than

// func gcmAesFinish(productTable *[256]byte, tagMask, T *[16]byte, pLen, dLen uint64) TEXT ·gcmAesFinish(SB),NOSPLIT,$0 #define pTbl R0 #define tMsk R1 #define tPtr R2 #define plen R3 #define dlen R4 MOVD $0xC2, R1 LSL $56, R1 MOVD $1, R0 VMOV R1, POLY.D[0] VMOV R0, POLY.D[1] VEOR ZERO.B16, ZERO.B16, ZERO.B16 MOVD productTable+0(FP), pTbl MOVD tagMask+8(FP), tMsk MOVD T+16(FP), tPtr MOVD pLen+24(FP), plen MOVD dLen+32(FP), dlen VLD1 (tPtr), [ACC0.B16] VLD1 (tMsk), [B1.B16] LSL $3, plen LSL $3, dlen...