1# List of Third-Party Libaries 2 3This folder contains all third-party libraries used by BTstack. The following table lists their source, license type, and what it is used for. 4 5Library | Version | License | Used | Notes 6----------------------------------------------------------------------------------------------------------------|----------|---------------|------------------|---------- 7[Android SBC Codec](https://android.googlesource.com/platform/external/bluetooth/bluedroid/+/master/embdrv/sbc) | e8c3d75b | Apache 2.0 | HFP WBS, A2DP | optimized audio codec 8[hxcmod-player](https://github.com/jfdelnero/HxCModPlayer) | 03d495c8 | Public Domain | A2DP Source Demo | mod music player 9[kiss-fft](https://github.com/mborgerding/kissfft) | 131.1.0 | BSD 2-Clause | LE Audio | FFT library 10[EHIMA LC3 Codec](https://github.com/zephyrproject-rtos/liblc3codec) | 6e8ad0bd | Apache 2.0 | LE Audio | audio codec 11[lwIP](http://savannah.nongnu.org/projects/lwip/) | b3a93941 | BSD 3-Clause | PAN Demo | complete network stack 12[md5](http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5) | 1.0 | Public Domain | PBAP | cryptographic hash function 13[micro-ecc](https://github.com/kmackay/micro-ecc) | e4d264b5 | BSD 2-Clause | LE SC, Mesh | elliptic curve library 14[Rijndael Encryption Algorithm](http://www.efgh.com/software/rijndael.htm) | 20020903 | Public Domain | BTstack Crypto | optional AES128 software implementation 15[segger-rtt](https://www.segger.com/products/debug-probes/j-link/technology/about-real-time-transfer/) | v6.20d | BSD 3-Clause | HCI PacketLog | high-speed logging with SEGGER J-Link debug probes (development) 16[tinydir](https://github.com/cxong/tinydir) | 677733da | BSD 2-Clause | GAP Bonding | get a directory listing on POSIX + Windwows systems 17[Yxml](https://dev.yorhel.nl/yxml) | 10f968b0 | MIT | PBAP | minimal stream XML parser 18