# Noble 2017: Cicadas & Security, Part 2: When a Verified PGP Key Takes You on a Trip to the Desert

> Toni Noble, 2017. 4 records on Mysteries Department cite it. Source for Cicada's commitment to sign every message and for the verification procedure.

Source: https://mysteriesdept.com/sources/SRC0D7R6SYP5W3P/cicadas-security-part-2-when-a-verified-pgp-key-takes-you-on  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Cicada 3301](https://mysteriesdept.com/mysteries/cicada-3301)Noble 2017

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# Cicadas & Security, Part 2: When a Verified PGP Key Takes You on a Trip to the Desert

Toni Noble, 2017. _Threat Stack blog, 19 April 2017_.

A security engineer's walk-through of verifying Cicada's signatures. Quotes the first signed message of January 2012, "From here on out, we will cryptographically sign all messages with this key", gives the key's full fingerprint and explains why the short key ID alone can be faked.

**Cicada 3301** Web pageChecked against the original0

## What it's used for here

Source for Cicada's commitment to sign every message and for the verification procedure.

## Cited by on this site 4 records

[Only material signed with key 7A35090F (fingerprint ending 181F 01E5 7A35 090F) is Cicada's.](https://mysteriesdept.com/mysteries/cicada-3301/answers/ANS0D7R74Y85G9M/only-material-signed-with-key-7a35090f-fingerprint-ending)

Answer

ANS

[The first signed message stated that all future messages would be signed with this key.](https://mysteriesdept.com/mysteries/cicada-3301/evidence/EVD0D7R75627H12/the-first-signed-message-stated-that-all-future-messages)

Evidence

EVD

[Cicada 3301](https://mysteriesdept.com/mysteries/cicada-3301)

The mystery article

MYS

[Which messages and puzzles are genuinely Cicada's?](https://mysteriesdept.com/mysteries/cicada-3301/questions/QST0D7R6ZJC3WGR/which-messages-and-puzzles-are-genuinely-cicadas)

Question

QST

## Cite it

```
Noble, T. (2017). Cicadas & Security, Part 2: When a Verified PGP Key Takes You on a Trip to the Desert. Threat Stack blog, 19 April 2017. https://blog.threatstack.com/cicadas-security-part-2-when-a-verified-pgp-key-takes-you-on-a-trip-to-the-desert
```

[Read it free at blog.threatstack.com](https://blog.threatstack.com/cicadas-security-part-2-when-a-verified-pgp-key-takes-you-on-a-trip-to-the-desert)

Key

**SRC** 0D7R6SYP5W3P

Kind

Web page

Rights

The publisher's

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS.

[CSL-JSON](https://mysteriesdept.com/sources/SRC0D7R6SYP5W3P/cicadas-security-part-2-when-a-verified-pgp-key-takes-you-on/csl.json)