https://en.wikipedia.org/wiki/XTEA
XTEA - Wikipedia
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https://www.activarcpg.com/product-tag/xtea-2430/
xtea-2430 Archives - Activar Construction Products Group
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https://ffmpeg.org/doxygen/trunk/group__lavu__xtea.html
FFmpeg: XTEA
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https://go.googlesource.com/crypto/+/4f9f0ca9fcfb05873f4a88940e285c7fbf343da5/xtea/
xtea - crypto - Git at Google
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