Exiv2

    // This is a simple substitution cipher, so use a hardcoded translation table for speed.

    // The formula is: c = (b*b*b) % 249, where c is the enciphered data byte

    // (note that bytes with values 249-255 are not translated, and 0-1, 82-84,

    // 165-167 and 248 have the same enciphered value)

    uint8_t decipher(uint8_t v) {

        const uint8_t table[256] = {

            0x0,  0x1,  0x32, 0xb1, 0xa,  0xe,  0x87, 0x28, 0x2,  0xcc, 0xca, 0xad, 0x1b, 0xdc, 0x8,  0xed,

            0x64, 0x86, 0xf0, 0x4f, 0x8c, 0x6c, 0xb8, 0xcb, 0x69, 0xc4, 0x2c, 0x3,  0x97, 0xb6, 0x93, 0x7c,

            0x14, 0xf3, 0xe2, 0x3e, 0x30, 0x8e, 0xd7, 0x60, 0x1c, 0xa1, 0xab, 0x37, 0xec, 0x75, 0xbe, 0x23,

            0x15, 0x6a, 0x59, 0x3f, 0xd0, 0xb9, 0x96, 0xb5, 0x50, 0x27, 0x88, 0xe3, 0x81, 0x94, 0xe0, 0xc0,

            0x4,  0x5c, 0xc6, 0xe8, 0x5f, 0x4b, 0x70, 0x38, 0x9f, 0x82, 0x80, 0x51, 0x2b, 0xc5, 0x45, 0x49,

            0x9b, 0x21, 0x52, 0x53, 0x54, 0x85, 0xb,  0x5d, 0x61, 0xda, 0x7b, 0x55, 0x26, 0x24, 0x7,  0x6e,

            0x36, 0x5b, 0x47, 0xb7, 0xd9, 0x4a, 0xa2, 0xdf, 0xbf, 0x12, 0x25, 0xbc, 0x1e, 0x7f, 0x56, 0xea,

            0x10, 0xe6, 0xcf, 0x67, 0x4d, 0x3c, 0x91, 0x83, 0xe1, 0x31, 0xb3, 0x6f, 0xf4, 0x5,  0x8a, 0x46,

            0xc8, 0x18, 0x76, 0x68, 0xbd, 0xac, 0x92, 0x2a, 0x13, 0xe9, 0xf,  0xa3, 0x7a, 0xdb, 0x3d, 0xd4,

            0xe7, 0x3a, 0x1a, 0x57, 0xaf, 0x20, 0x42, 0xb2, 0x9e, 0xc3, 0x8b, 0xf2, 0xd5, 0xd3, 0xa4, 0x7e,

            0x1f, 0x98, 0x9c, 0xee, 0x74, 0xa5, 0xa6, 0xa7, 0xd8, 0x5e, 0xb0, 0xb4, 0x34, 0xce, 0xa8, 0x79,

            0x77, 0x5a, 0xc1, 0x89, 0xae, 0x9a, 0x11, 0x33, 0x9d, 0xf5, 0x39, 0x19, 0x65, 0x78, 0x16, 0x71,

            0xd2, 0xa9, 0x44, 0x63, 0x40, 0x29, 0xba, 0xa0, 0x8f, 0xe4, 0xd6, 0x3b, 0x84, 0xd,  0xc2, 0x4e,

            0x58, 0xdd, 0x99, 0x22, 0x6b, 0xc9, 0xbb, 0x17, 0x6,  0xe5, 0x7d, 0x66, 0x43, 0x62, 0xf6, 0xcd,

            0x35, 0x90, 0x2e, 0x41, 0x8d, 0x6d, 0xaa, 0x9,  0x73, 0x95, 0xc,  0xf1, 0x1d, 0xde, 0x4c, 0x2f,

            0x2d, 0xf7, 0xd1, 0x72, 0xeb, 0xef, 0x48, 0xc7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff

        };

        return table[v];

    }

    std::ostream& SonyMakerNote::print0x940e(std::ostream& os, const Value& value, const ExifData*)

    {

        if (value.count() != 12288)

        {

            os << "(" << value << ")";

        }

        else

        {

            const char* focusMode[] = {

                N_("Manual"),

                "AF-S",

                "AF-C",

                "AF-A"

            };

//            os << value.toString(0xb);

//            os << (long)decipher(value.toLong(0xb));

            os << focusMode[decipher(value.toLong(0xb))];

            int16_t statusActiveSensor = decipher(value.toLong(0x4)) + (decipher(value.toLong(0x5)) << 8);

            os << "\nStatus Active Sensor: ";

            os << (statusActiveSensor > 0 ? "BF" : "FF");

            os << " (" << statusActiveSensor << ")";

        }

        return os;

    }

        TagInfo(0x940E, "AFInfo", N_("AF Info"),

                N_("AF Information"),

                sony1Id, makerTags, unsignedByte, -1, print0x940e),

++ exiv2-0.25/src/sonymn_int.hpp

        //! Print Sony AF Info

        static std::ostream& print0x940e(std::ostream&, const Value&, const ExifData*);