粗一看都不知道这个要干什么，这 B 装得不错。
IyEvdXNyL2Jpbi9lbnYgcHl0aG9uMwoKJycnCktlZXAgdXMgb3V0IG9mIGdvb2dsZSBzZWFyY2ggcmVzdWx0cy4uCgokIG9kIC1kIC9kZXYvdXJhbmRvbSB8IGhlYWQKMDAwMDAwMCAgICAgNjAyMTUgICAyODc3OCAgIDI5MjI3ICAgMjg1NDggICA2MjY4NiAgIDQ1MTcxICAgIDc4MjYgICA0ODc2NgowMDAwMDIwICAgICAxNzExOCAgIDE1MjI1ICAgMTI4NTIgICAzNDc4MSAgIDMxOTU1ICAgMTkwODcgICAzOTU2MyAgIDQzNjE0CjAwMDAwNDAgICAgICA2NzEwICAgMzg1MTUgICAxNDU3MyAgIDY0MDg3ICAgMTcwMjYgICAyNTU5OCAgIDQyOTEzICAgMTQyMDkKMDAwMDA2MCAgICAgMTA3MjMgICAzMTMwNyAgIDE5MDcxICAgMTQ3OTggICAgMjQ2MiAgIDQ2MjUzICAgMzU2MjYgICAzMjQzNgowMDAwMTAwICAgICAgMTczOSAgIDI3NzEyICAgIDU2NjcgICAxMjIxMiAgIDQ3MDc3ICAgNDE3MjIgICA1NDQ1MiAgIDM4NDYxCjAwMDAxMjAgICAgICA0ODE2ICAgMTUwMTQgICAyODYyMyAgIDEwOTI4ICAgNTQwMjggICA2NDUyMyAgIDU0NjMyICAgNTQxODcKMDAwMDE0MCAgICAgNjE2MzEgICA1NDQ5OSAgIDE4MzA3ICAgIDU1MTQgICA1MDc0MyAgIDUwNTkxICAgMjUxNzIgICA1NDAxOAowMDAwMTYwICAgICAzMTk5MCAgIDI2MjQ4ICAgIDQzODMgICA0NjQ1MiAgIDQyMTU2ICAgNjIzMjAgICA1MTA1MiAgIDI4NjIxCjAwMDAyMDAgICAgIDI3MjI2ICAgNjUyOTYgICA1NjMwNSAgIDMzMzc1ICAgIDQ4MTMgICA0MjI4MyAgIDE5OTgwICAgIDE5MjIKMDAwMDIyMCAgICAgNTcwNjEgICAyOTMyMiAgIDI3MDczICAgNjQ5ODYgICAxNTIxOSAgIDI2MjM0ICAgMjQxMDAgICAyMTIwNAonJycKCicnJwpDb3B5IHRoaXMgZmlsZSBhbmQgcnVuIGBwYnBhc3RlIHwgYmFzZTY0YCB0byBnZW5lcmF0ZSBjaGFsbGVuZ2UgdGV4dC4gQ29waW91cwp3aGl0ZSBzcGFjZSBpcyBhdCB0aGUgYm90dG9tIG9mIHRoZSBmaWxlIHRvIGVuc3VyZSB0cmFpbGluZyBgPT1gIGFuZCBoaW50IGF0CmJhc2U2NC4KJycnCgppbXBvcnQgY29kZWNzCmltcG9ydCBzdHJpbmcKaW1wb3J0IHN5cwppbXBvcnQgdGltZQoKZnJvbSBjcnlwdG9ncmFwaHkuaGF6bWF0LmJhY2tlbmRzIGltcG9ydCBkZWZhdWx0X2JhY2tlbmQKZnJvbSBjcnlwdG9ncmFwaHkuaGF6bWF0LnByaW1pdGl2ZXMuaGFzaGVzIGltcG9ydCBTSEExCmZyb20gY3J5cHRvZ3JhcGh5Lmhhem1hdC5wcmltaXRpdmVzLnR3b2ZhY3Rvci50b3RwIGltcG9ydCBUT1RQCgoKT05FX1dFRUtfSU5fU0VDT05EUyA9IDYwNF84MDAKCgpkZWYgZ2VuZXJhdGVfc2VjcmV0KCk6CiAgICB0b3RwID0gVE9UUCgKICAgICAgICBrZXk9Y29kZWNzLmVuY29kZShzdHJpbmcuYXNjaWlfbGV0dGVycywgZW5jb2Rpbmc9InV0Zi04IiksCiAgICAgICAgbGVuZ3RoPTgsCiAgICAgICAgYWxnb3JpdGhtPVNIQTEoKSwKICAgICAgICB0aW1lX3N0ZXA9T05FX1dFRUtfSU5fU0VDT05EUywKICAgICAgICBiYWNrZW5kPWRlZmF1bHRfYmFja2VuZCgpLAogICAgKQogICAgc2VlZCA9IGludCh0aW1lLnRpbWUoKSkKICAgIHRva2VuID0gY29kZWNzLmRlY29kZSh0b3RwLmdlbmVyYXRlKHNlZWQpLCBlbmNvZGluZz0idXRmLTgiKQogICAgcmV0dXJuIGYie3Rva2VufS17c2VlZH0iCgoKaWYgX19uYW1lX18gPT0gIl9fbWFpbl9fIjoKICAgIHN5cy5zdGRvdXQud3JpdGUoCiAgICAgICAgZiJQbGVhc2UgaGVhZCB0byBodHRwczovL3JhbXAuY29tL2NhcmVlcnMgYW5kIHVzZSB0aGlzIHNlY3JldCB3aGVuICIKICAgICAgICBmInlvdSBhcHBseToge2dlbmVyYXRlX3NlY3JldCgpfVxuIgogICAgKQoKCg==
其实看一下就知道这个应该是 Base 64 加密的，随便拉个工具用 Base64 解密下的结果是：
#!/usr/bin/env python3
'''
Keep us out of google search results..
$ od -d /dev/urandom | head
0000000 60215 28778 29227 28548 62686 45171 7826 48766
0000020 17118 15225 12852 34781 31955 19087 39563 43614
0000040 6710 38515 14573 64087 17026 25598 42913 14209
0000060 10723 31307 19071 14798 2462 46253 35626 32436
0000100 1739 27712 5667 12212 47077 41722 54452 38461
0000120 4816 15014 28623 10928 54028 64523 54632 54187
0000140 61631 54499 18307 5514 50743 50591 25172 54018
0000160 31990 26248 4383 46452 42156 62320 51052 28621
0000200 27226 65296 56305 33375 4813 42283 19980 1922
0000220 57061 29322 27073 64986 15219 26234 24100 21204
'''
'''
Copy this file and run `pbpaste | base64` to generate challenge text. Copious
white space is at the bottom of the file to ensure trailing `==` and hint at
base64.
'''
import codecs
import string
import sys
import time
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.hashes import SHA1
from cryptography.hazmat.primitives.twofactor.totp import TOTP
ONE_WEEK_IN_SECONDS = 604_800
def generate_secret():
totp = TOTP(
key=codecs.encode(string.ascii_letters, encoding="utf-8"),
length=8,
algorithm=SHA1(),
time_step=ONE_WEEK_IN_SECONDS,
backend=default_backend(),
)
seed = int(time.time())
token = codecs.decode(totp.generate(seed), encoding="utf-8")
return f"{token}-{seed}"
if __name__ == "__main__":
sys.stdout.write(
f"Please head to https://ramp.com/careers and use this secret when "
f"you apply: {generate_secret()}\n"
)
上面的代码是 Python 的，然后你把上面的代码拷贝到你的计算机跑一下，应该可以看到下面的结果：
下面的字符串就是你在申请的时候需要填入的字符串了。
另外，你需要在你的 python 环境中安装 pip install cryptography 。
简单来说，就是上面的代码需要访问服务器，生成一个字符串，类似数据校验的意思。
这个还是在申请的时候第一次遇到，有点意思。
Ramp 有点意思的题目 - 求职路上 - OSSEZ
