final char[] c = new char[2 * size];
        for (int i = 0, j = 0; i < size; i++) {
            c[j] = HEX_DIGITS[src[srcIndex + i] >> 4 & 0x0F];
            j++;
            c[j++] = HEX_DIGITS[src[srcIndex + i] & 0x0F];
        }
        return new String(c);
    }

    /**
     * Converts a byte array to a hexadecimal string representation.
     *

        size = size % 2 == 0 ? size / 2 : size / 2 + 1;
        for (int i = 0, j = 0; i < size; i++) {
            c[j] = HEX_DIGITS[src[i] >> 4 & 0x0F];
            j++;
            if (j == c.length) {
                break;
            }
            c[j++] = HEX_DIGITS[src[i] & 0x0F];
        }
        return new String(c);
    }

    /**