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๐Ÿ”’์ •๋ณด๋ณด์•ˆ/์•”ํ˜ธ7

์•”ํ˜ธ - ์‚ฌ์ดํŠธ์—์„œ ๋‹ค์šด ๋ฐ›๋Š” ํ”„๋กœ๊ทธ๋žจ์ด ๋ณ€์กฐ ๋๋Š”์ง€ ํ™•์ธํ•˜๊ธฐ(PGP Verify) ์‚ฌ์ „ ์ค€๋น„. gpg4win ์„ค์น˜ https://www.gpg4win.org/ Gpg4win - Secure email and file encryption with GnuPG for Windows Gpg4win - a secure solution... ... for file and email encryption. Gpg4win (GNU Privacy Guard for Windows) is Free Software and can be installed with just a few mouse clicks. Discover Gpg4win Learn what Gpg4win is and read more about the features of our sol www.gpg4win.org ์˜ˆ์‹œ. ๋ฒ ๋ผํฌ๋ฆฝํŠธ ํŒŒ์ผ ๊ฒ€์ฆํ•˜.. 2022. 9. 3.
์•”ํ˜ธ - ๋ฉ”์‹œ์ง€, ํŒŒ์ผ์„ ์•”ํ˜ธํ™”ํ•˜๋Š” ๋ณด์•ˆ ํ†ต์‹  ๋„๊ตฌ(GPG/PGP) GPG์™€ PGP ์ฐจ์ด PGP(Pretty Good Privacy)๋Š” RSA ๊ธฐ๋ฐ˜ ์ด๋ฉ”์ผ ์•”ํ˜ธํ™” ํ”„๋กœ๊ทธ๋žจ์ธ๋ฐ ์ด๋ฅผ ์˜คํ”ˆ ์†Œ์Šค๋กœ ๊ตฌํ˜„ํ•œ๊ฒŒ GPG(Gnu Privacy Guard)์ด๋‹ค. ๋Œ€์ถฉ GPG๋กœ ๋‚ด๊ฐ€ ์ƒ์„ฑํ•œ ๊ณต๊ฐœ ํ‚ค๋ฅผ ์ƒ๋Œ€๋ฐฉ์—๊ฒŒ ์ค˜์„œ ์ƒ๋Œ€๋ฐฉ์€ ๊ณต๊ฐœ ํ‚ค๋กœ ์ž์‹ ์˜ ์—ฐ๋ฝ์ฒ˜๋‚˜ ์ค‘์š”ํ•œ ํŒŒ์ผ์„ ์•”ํ˜ธํ™”์‹œ์ผœ์„œ ์•”ํ˜ธํ™”ํ•œ ์•”ํ˜ธ๋ฌธ์„ ๋‚˜์—๊ฒŒ ๋‹ค์‹œ ์ „๋‹ฌํ•˜๋ฉด ๋‚˜๋งŒ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ๊ฐœ์ธ ํ‚ค๋กœ ์•”ํ˜ธ๋ฌธ์„ ๋ณตํ˜ธํ™”ํ•˜๋Š” ์›๋ฆฌ gpg4usb https://www.gpg4usb.org/ gpg4usb - project : home Welcome to the gpg4usb project gpg4usb is a very easy to use and small portable editor to encrypt and decrypt any text-mes.. 2022. 9. 3.
์•”ํ˜ธ - ํด๋” ์•”ํ˜ธํ™” ์†Œํ”„ํŠธ์›จ์–ด(๋ฒ ๋ผํฌ๋ฆฝํŠธ) ์„ค์น˜ https://www.veracrypt.fr/en/Downloads.html VeraCrypt - Free Open source disk encryption with strong security for the Paranoid www.veracrypt.fr ์‚ฌ์šฉ ๋ฐฉ๋ฒ• https://www.veracrypt.fr/en/Beginner%27s%20Tutorial.html VeraCrypt - Free Open source disk encryption with strong security for the Paranoid Beginner's Tutorial How to Create and Use a VeraCrypt Container This chapter contains step-by-step instruc.. 2022. 9. 3.
์•”ํ˜ธ - ํŒŒ์ผ ์••์ถ•์„ ํ•  ๋•Œ์—๋Š” 7z, rar์„ ์‚ฌ์šฉํ•ด์•ผ ํ•˜๋Š” ์ด์œ  ์ž„์˜๋กœ ํ…์ŠคํŠธ ํŒŒ์ผ์„ ๋งŒ๋“ค์–ด์„œ .zip์œผ๋กœ ์•”ํ˜ธํ™”๋ฅผ ํ•œ๋‹ค. ์••์ถ• ํ•ด์ œ ํ”„๋กœ๊ทธ๋žจ์œผ๋กœ ๋ณด๊ฒŒ ๋˜๋ฉด ์•ˆ์— ์–ด๋–ค ํŒŒ์ผ๋“ค์ด ์••์ถ• ์•”ํ˜ธํ™”๊ฐ€ ๋˜์–ด์žˆ๋Š”์ง€ ์ž์„ธํžˆ ์•Œ ์ˆ˜ ์žˆ๋‹ค. (๋‹จ ๋‚ด์šฉ๋ฌผ์€ ํ™•์ธ ๋ถˆ๊ฐ€) ์ด๋ฒˆ์—๋Š” .7z๋กœ ํŒŒ์ผ์„ ์•”ํ˜ธํ™”ํ•˜์˜€๋‹ค. ๋ฐ˜๋””์ง‘์—์„œ "๊ณ ๊ธ‰ ์••์ถ• ์„ค์ •"์— ๋“ค์–ด๊ฐ€๋ฉด "ํŒŒ์ผ๋ช… ์•”ํ˜ธํ™”"๋ฅผ ์„ค์ • ๊ฐ€๋Šฅํ•˜๋‹ค. .7z ์•”ํ˜ธํ™”๋Š” .zip๊ณผ ๋‹ค๋ฅด๊ฒŒ ํŒŒ์ผ์˜ ์ •๋ณด๊ฐ€ ๋ณด์ด์ง€ ์•Š๋Š”๋‹ค. ๋ถ„์„ํ•˜๋Š” ์‚ฌ๋žŒ์˜ ์ž…์žฅ์œผ๋กœ๋Š” ํŒŒ์ผ๋ช…๊ณผ ํฌ๊ธฐ, ๋‚ ์งœ ๋“ฑ์„ ์•Œ ์ˆ˜๊ฐ€ ์—†์œผ๋‹ˆ ๋น„๋ฐ€๋ฒˆํ˜ธ๊ฐ€ ์—†๋Š”ํ•œ ์•”ํ˜ธํ™”๋œ ํŒŒ์ผ์˜ ์ •๋ณด๋Š” ์•Œ์•„๋‚ด๊ธฐ ํž˜๋“ค์–ด์ง„๋‹ค. .7z ์™ธ์—๋„ .rar์ด๋ผ๋Š” ์••์ถ• ๋ฐฉ์‹๋„ ๋˜‘๊ฐ™์ด ํŒŒ์ผ๋ช… ์•”ํ˜ธํ™”๋ฅผ ์ง€์›ํ•œ๋‹ค. ์ฐธ์กฐ: https://kr.bandisoft.com/bandizip/howto/encrypt-file-names/ ๋ฐ˜๋””์ง‘ - ํŒŒ์ผ๋ช…์„ ์•”ํ˜ธ.. 2022. 9. 1.
์•”ํ˜ธ - ํŒจ์Šคํ”„๋ ˆ์ด์ฆˆ ํŒจ์Šคํ”„๋ ˆ์ด์ฆˆ(passphrase) ์ผ๋ฐ˜์ ์ธ ๋น„๋ฐ€๋ฒˆํ˜ธ๋ณด๋‹ค ๊ธธ์ด๊ฐ€ ๊ธธ๊ณ  ๊ธฐ์–ตํ•˜๊ธฐ ์‰ฌ์šด ๋ฌธ์žฅ์„ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด ‘135!@p’๋ผ๋Š” ๋น„๋ฐ€๋ฒˆํ˜ธ ๋Œ€์‹  ‘iloveher’์™€ ๊ฐ™์€ ๋ฌธ์žฅ์œผ๋กœ ์“ฐ๋Š” ๋ฐฉ๋ฒ•์ด๋‹ค. ์ผ๋ถ€ ์•”ํ˜ธ ํ”„๋กœ๊ทธ๋žจ์—์„œ ์š”๊ตฌํ•˜๋Š” ํŒจ์Šคํ”„๋ ˆ์ด์ฆˆ๋Š” ์ตœ๊ณ  100 ๋ฌธ์ž๊นŒ์ง€ ๊ตฌ์„ฑ๋œ ๋ถ€๋ถ„๋„ ์žˆ๋‹ค. ์ถœ์ฒ˜: https://www.scienceall.com/%ED%8C%A8%EC%8A%A4%ED%94%84%EB%A0%88%EC%9D%B4%EC%A6%88passphrase/ ํŒจ์Šคํ”„๋ ˆ์ด์ฆˆ(passphrase) | ๊ณผํ•™๋ฌธํ™”ํฌํ„ธ ์‚ฌ์ด์–ธ์Šค์˜ฌ ๊ณผํ•™์˜ ๋ชจ๋“  ๊ฒƒ, ์‚ฌ์ด์–ธ์Šค์˜ฌ! ๊ณผํ•™ํ•™์Šต, ๊ณผํ•™์ฒดํ—˜, ๊ณผํ•™๋ฌธํ™” ์ฝ˜ํ…์ธ  ์ œ๊ณต www.scienceall.com http://wiki.hash.kr/index.php/%EC%9D%B8%EC.. 2022. 8. 24.
์•”ํ˜ธ - ๋‹ˆ๋ชจ๋‹‰(Mnemonic) ๋‹ˆ๋ชจ๋‹‰(Mnemonic)์ด๋ž€ ์ง€๊ฐ‘์„ ๋ณต๊ตฌํ•˜๊ธฐ ์œ„ํ•œ 12๊ฐœ์˜ ๋‹จ์–ด์ด๋‹ค. ๊ฐœ์ธ ํ‚ค๊ฐ€ ๋„ˆ๋ฌด ๋ณต์žกํ•œ ๋‹จ์–ด๋“ค๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์—, ์ด๋ฅผ ์‰ฝ๊ฒŒ ์ž…๋ ฅํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ฐ–์ถฐ์ง„ ํ˜•์‹์ด๋‹ค. ๋‹ˆ๋ชจ๋‹‰์˜ ์–ด์›์€ ๊ทธ๋ฆฌ์Šค ์‹ ํ™”์˜ ๊ธฐ์–ต์˜ ์—ฌ์‹  ๋ฏ€๋„ค๋ชจ์‹œ๋„ค(Mnemosyne)์—์„œ ์œ ๋ž˜๋˜์—ˆ๋‹ค. ์ถœ์ฒ˜: http://wiki.hash.kr/index.php/%EB%8B%88%EB%AA%A8%EB%8B%89 ๋‹ˆ๋ชจ๋‹‰ - ํ•ด์‹œ๋„ท ๋‹ˆ๋ชจ๋‹‰(Mnemonic)์ด๋ž€ ์ง€๊ฐ‘์„ ๋ณต๊ตฌํ•˜๊ธฐ ์œ„ํ•œ 12๊ฐœ์˜ ๋‹จ์–ด์ด๋‹ค. ๊ฐœ์ธ ํ‚ค๊ฐ€ ๋„ˆ๋ฌด ๋ณต์žกํ•œ ๋‹จ์–ด๋“ค๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์—, ์ด๋ฅผ ์‰ฝ๊ฒŒ ์ž…๋ ฅํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ฐ–์ถฐ์ง„ ํ˜•์‹์ด๋‹ค. ๋‹ˆ๋ชจ๋‹‰์˜ ์–ด์›์€ ๊ทธ๋ฆฌ์Šค ์‹ ํ™” wiki.hash.kr 2022. 8. 11.
์•”ํ˜ธ - ์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผ ๋งŒ๋“ค๊ธฐ ์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผ Stegano(๊ฐ์ถฐ์ง„) + Graphy(๊ธ€) = Steganography ์ฆ‰, ๋‚ด์šฉ์„ ์ˆจ๊ฒจ๋ฒ„๋ฆฌ๋Š” ๊ธฐ์ˆ  ์ด๋ฅผ ์ด์šฉํ•ด์„œ png, mp3, zip ๋“ฑ ๋‹ค์–‘ํ•œ ํŒŒ์ผ์„ ์ˆจ๊ธธ ์ˆ˜ ์žˆ๋‹ค. ์•”ํ˜ธํ™” ๋ฐฉ๋ฒ•(Windows): copy /b image.jpg+secret.zip result.jpg ์•”ํ˜ธํ™” ๋ฐฉ๋ฒ•(Linux) cat file1 file2 > output ๋ณตํ˜ธํ™” ๋ฐฉ๋ฒ•: ์•”ํ˜ธํ™”๋œ ํŒŒ์ผ์˜ ํ™•์žฅ์ž๋ฅผ ๊ธฐ์กด์˜ ์ˆจ๊ฒจ๋‘” ํŒŒ์ผ์˜ ํ™•์žฅ์ž๋กœ ๋ณ€๊ฒฝ ex) result.jpg -> result.zip ์ถœ์ฒ˜: https://arca.live/b/encryption/32069015?p=2 ์Šคํ…Œ๊ฐ€๋…ธ๊ทธ๋ž˜ํ”ผ ๋งŒ๋“œ๋Š” ๋ฐฉ๋ฒ• - ์•”ํ˜ธํ™” ์—ฐ๊ตฌ ์ฑ„๋„ ์›๋ฆฌ๋ฅผ ์„ค๋ช…ํ•˜๋Š” ๊ธ€์ด ์•„๋‹ˆ๊ธฐ ๋•Œ๋ฌธ์— ์‹ฌํ™”์ ์ธ ๋‚ด์šฉ์€ ๋‹ค๋ฃจ์ง€ ์•Š๊ณ  ๊ฐ„๋‹จํ•˜๊ฒŒ ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ์•„.. 2022. 7. 21.
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