Crypto 300 has been added partly.

Author: patrick-me

ASR/create/README.md

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+1. Generate N E D using tool rsa-wiener-attack (https://github.com/pablocelayes/rsa-wiener-attack) and save selected in "Selected_n_e_d.txt" file.
+
+```bash
+   python RSAvulnerableKeyGenerator.py
+```
+
+2. Generate private.key PEM file using rsatool (https://github.com/ius/rsatool).
+
+```bash
+   python rsatool.py `cat Selected_n_e_d.txt` -o private.key
+```
+
+3. Generate public.key.
+
+```bash
+    openssl rsa -in private.key -out public.key -outform PEM -pubout
+```
+
+4. Encode message.
+
+```bash
+    openssl rsautl -encrypt -inkey public.key -pubin -in message -out secret
+```
+5. Test on decoding.
+
+```bash
+    openssl rsautl -decrypt -inkey private.key -in secret -out test && md5sum test message
+```
+
+6. Deploy "secret" and public.key files.

ASR/create/Selected_n_e_d.txt

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+-n 505425768438331379583477586793149859779016357536173445727601368429083506892946939712080149243185374889149712883669777241472138976122128303833013626951967984174860289009798083861065343256637740820678289846106861235730545954153000328476846659202260440502052387534350213826713370874369664454639519512880131587979 -e 406337194415078969135388012199768851534892405717049052243569601877767720306971351962115455780742226903789914852797732475115620696182173145519244169134462893981827754911556903443954791096825007180380141420831124481112731502488517569927478504486615667200169344800534739661939136312208398465567840505121573367837 -d 5505607512671258899404366558275649879039721916551771524402852924475941011773
+

ASR/create/message

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+STCTF#Dang3r0u51R5AMay83Vu1n3ra813#

ASR/create/private.key

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+-----BEGIN RSA PRIVATE KEY-----
+MIICOQIBAAKBgQLPwAwnXFZ/EvKE1IZLFSokmZYuJVBtfhhPor4aDVDdyQXd6XncJ3U8kGC7Aez7
+tUBtHXjOjcjKKWsZwyBKoYzmlIWovJpXoXFQhRCaUBgbN+SM0mJ7jaOAoVLpcfJG5auJ4MtedvVR
+/ZklEF+IetObLYZ3Mxq2aAK15Kx0Zte/iwKBgQJCpLQKCrtWDlDkfOYZJvwq8hbHatbcUubpp46b
+QmCdV18w3W2sOsMjPoYlFNie7jicukMPYB+BpX8bfpFY3G86AHDe43kfnL2zS53hsSy7faRusOnm
+Bal1oJc7GCVSOaJ5iCWTEvFEaIY4i+Mg0ol+HPmEGJjZMXdsODEwYGLwHQIgDCwQPH4iUFihfz18
+b8epCYLzO2r9l8thz3zOdX47QT0CQQFeBr2+s8lKeGiG0FsWa55NDi0h6ShCTLBfUM8BkBNmMbqz
+5VybaKajeDTGwHpZYBTgVf8hmloh/geJcuBfwJu/AkECDmf/q3wc9yzgKUNtaWuGf+krVnmSCXeS
+7Lhrf2SbygyjjT7emWpgpzw/EoJ2wCg4JBZBmmZ82d8F8imYYTy/NQIgDCwQPH4iUFihfz18b8ep
+CYLzO2r9l8thz3zOdX47QT0CIAwsEDx+IlBYoX89fG/HqQmC8ztq/ZfLYc98znV+O0E9AkAoVQGA
+5pcRKjARucSUlUIq/+XiZZ7qh9Ip7nSm+XCz90UyHEHBTsQ15YgfEfELeZATXLC2BXma+XZU4IIk
+TMRw
+-----END RSA PRIVATE KEY-----

ASR/create/public.key

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+-----BEGIN PUBLIC KEY-----
+MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0AMIIBCAKBgQLPwAwnXFZ/EvKE1IZLFSok
+mZYuJVBtfhhPor4aDVDdyQXd6XncJ3U8kGC7Aez7tUBtHXjOjcjKKWsZwyBKoYzm
+lIWovJpXoXFQhRCaUBgbN+SM0mJ7jaOAoVLpcfJG5auJ4MtedvVR/ZklEF+IetOb
+LYZ3Mxq2aAK15Kx0Zte/iwKBgQJCpLQKCrtWDlDkfOYZJvwq8hbHatbcUubpp46b
+QmCdV18w3W2sOsMjPoYlFNie7jicukMPYB+BpX8bfpFY3G86AHDe43kfnL2zS53h
+sSy7faRusOnmBal1oJc7GCVSOaJ5iCWTEvFEaIY4i+Mg0ol+HPmEGJjZMXdsODEw
+YGLwHQ==
+-----END PUBLIC KEY-----

ASR/create/secret

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+
+Answer: STCTF#Dang3r0u51R5AMay83Vu1n3ra813#
+
+TODO: Some steps to gain answer.

ASR/solution/solution.html

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+---
+answer_regex: STCTF#Dang3r0u51R5AMay83Vu1n3ra813#
+author: patrick
+category: crypto
+description: |
+  Папа, будучи в коммандировке, оставил Кириллу послание с ключом от сейфа.
+  В сейфе лежат золотые монеты, которые Кирилл может потратить, если сумеет отгадать, как расшифровать приложенное сообщение.
+name: ASR
+price: 300