๐–„๐•บ๐ŸŒŽ๐•ฟ๐•ฝ๐•บยฅ

๐–„๐•บ๐ŸŒŽ๐•ฟ๐•ฝ๐•บยฅ

๐•ด ๐–‰๐–” ๐–’๐–†๐–Œ๐–Ž๐–ˆ
github

่ฏพ็จ‹็Ÿฅ่ฏ†

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่ฎก็ฎ—ๆœบๅฎ‰ๅ…จไธŽๅ–่ฏไน‹ๅ“ˆๅธŒๅ‡ฝๆ•ฐๅ’Œๅ…ฌ้’ฅๅŠ ๅฏ†

! ๅ“ˆๅธŒๅ‡ฝๆ•ฐๆ˜ฏไธ€็งๅฐ†ไปปๆ„้•ฟๅบฆ่พ“ๅ…ฅๅญ—็ฌฆไธฒๆ˜ ๅฐ„ๅˆฐๅ›บๅฎš้•ฟๅบฆๅ“ˆๅธŒๅ€ผ๏ผˆๆœ‰ๆ—ถ็งฐไธบๆถˆๆฏๆ‘˜่ฆ๏ผ‰็š„้ซ˜ๆ•ˆๅฏ่ฎก็ฎ—ๅ‡ฝๆ•ฐใ€‚ไธ็ฎก่พ“ๅ…ฅๅ‡ ไฝ๏ผŒ่พ“ๅ‡บ้ƒฝๆ˜ฏ N bitsใ€‚ ๅ“ˆๅธŒๅ‡ฝๆ•ฐไธๆ˜ฏ keyed primitive ๅŸบไบŽๅฏ†้’ฅ็š„ๅŽŸ่ฏญใ€‚ ๅŒ…ๆ‹ฌ message fingerprinting ๆถˆๆฏๆŒ‡็บน็”Ÿๆˆโ€ฆ
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่ฎก็ฎ—ๆœบๅฎ‰ๅ…จไธŽๅ–่ฏไน‹ๆ“ไฝœๆจกๅผๅ’Œๅกซๅ…… Oracle ๆ”ปๅ‡ป

ๅฏน็งฐๅŠ ๅฏ†็ฎ—ๆณ•๏ผˆๅฆ‚ AES๏ผ‰ไนŸๅฐฑๆ˜ฏๅŠ ๅฏ†ๅ’Œ่งฃๅฏ†่ฟ‡็จ‹ไฝฟ็”จ็›ธๅŒ็š„ๅฏ†้’ฅ keyใ€‚ๆœฌ่บซๅช่ƒฝๅฎ‰ๅ…จๅŠ ๅฏ†ๅ›บๅฎšๅคงๅฐ็š„ๆ•ฐๆฎๅ—ใ€‚ไธบไบ†ๅŠ ๅฏ†ไปปๆ„้•ฟๅบฆ็š„ๆถˆๆฏ๏ผŒ้œ€่ฆๅฐ†่ฟ™ไบ›ๅŸบๆœฌ็ฎ—ๆณ•่ฟ็”จๅœจ็‰นๅฎš็š„ๆ“ไฝœๆจกๅผไธญใ€‚ ไธ€ไธชๅ—็Šถๅฏ†็ ๅฏๅŠ ๅฏ† N bit ็š„ไฟกๆฏใ€‚ๅฆ‚ๆžœไธๆ˜ฏ N ็š„ๆ•ดๆ•ฐๅ€๏ผŒไธๆ˜ฏๅ›บๅฎš้•ฟๅบฆ๏ผŒๆˆ–่€…็ฑปไผผ TCP ๆตๅ‘ข๏ผŸโ€ฆ
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่ฎก็ฎ—ๆœบๅฎ‰ๅ…จไธŽๅ–่ฏไน‹็บฟๆ€งๅฏ†็ ๅˆ†ๆž

XOR ๆ˜ฏ โ€œๅผ‚ๆˆ–โ€ ่ฟ็ฎ—็š„็ฎ€็งฐ๏ผŒๆ˜ฏไธ€็งๅŸบๆœฌ็š„ไฝ่ฟ็ฎ—ใ€‚ๅฎƒ็š„่ฟ็ฎ—่ง„ๅˆ™ๆ˜ฏๅฏนไธคไธชๆฏ”็‰นไฝ่ฟ›่กŒๆฏ”่พƒ๏ผŒๅฆ‚ๆžœไธคไธชๆฏ”็‰นไฝ็›ธๅŒ๏ผŒๅˆ™็ป“ๆžœๆ˜ฏ 0๏ผ›ๅฆ‚ๆžœไธคไธชๆฏ”็‰นไฝไธๅŒ๏ผŒๅˆ™็ป“ๆžœๆ˜ฏ 1ใ€‚ ๅ› ไธบโ‰  0.5๏ผŒๆ‰€ไปฅๆ˜ฏๆœ‰ไฟกๆฏ็š„ใ€‚้‚ฃไนˆๅณไฝฟๅชๆœ‰ไธ€ไธชๅญ้›†็š„ๅ€ผ๏ผŒไนŸ่ƒฝไปฅๅคง่‡ด็›ธๅŒ็š„ๆ–นๅผๅˆฉ็”จๅๅทฎใ€‚็”š่‡ณ 0.5000001ใ€‚โ€ฆ
ROS1 ๅŸบ็ก€ๅŠๅธธ็”จๆŒ‡ไปค ็ฌ”่ฎฐ
roslaunch# launch multiple ROS Nodes via launch files. Copy roslaunch {package name} {launch file} roslaunch turtlebot3_gazebo turtlebot3โ€ฆ
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Ruby&Linux&gitๅ…ฅ้—จๅญฆไน ๆ€็ปดๅฏผๅ›พๆ•ด็†

ๅบŸ่ฏ ๆ•ด็†ไบ†ไธ€ไปฝ้ž็ณป็ปŸๆ€ง็š„ Ruby&Linux&git ๅ…ฅ้—จ็š„ๆ€็ปดๅฏผๅ›พ๏ผŒๆ˜ฏๆ นๆฎIntroduction to Software Engineeringๅญฆ็ง‘่ฏพ็จ‹ๆ•ด็†็š„๏ผŒๅ› ไธบๅญฆ็ง‘ไธ€้ƒจๅˆ†ๆ˜ฏ็ผ–็จ‹่ฏญ่จ€ Ruby ็š„ๅญฆไน ๏ผŒไฝ†ๆ›ดๅคšๆ˜ฏ้กน็›ฎ็š„ๅฎž่ทต๏ผŒๆ‰€ไปฅๅญฆไน ๅ†…ๅฎน่พƒๆ‚ไนฑ๏ผŒๅŒ…ๆ‹ฌไบ†ๆœ€ๅธธ่ง็š„ linuxโ€ฆ
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