macOS
Homebrewverified · 100%
brew install cryptollocal Homebrew formula metadata
brew / rank 7337
Install cryptol with Homebrew, pacman, apt
Domain-specific language for specifying cryptographic algorithms. Version 3.5.0 via Homebrew; verified 2026-07-22. Also installable with ubuntu: sudo apt install cryptol.
install
Additional install commands
Linux
Arch Linux pacmanverified · 92%
sudo pacman -S cryptolArch Linux sync databases · cryptol · source: geo.mirror.pkgbuild.com
Ubuntu aptverified · 92%
sudo apt install cryptolUbuntu 24.04 LTS package indexes · cryptol · source: archive.ubuntu.com
overview
Package summary
Domain-specific language for specifying cryptographic algorithms
Project links
Commands and aliases
- check-exercises
- cryptol
- cryptol-html
history
Project history and usage
Cryptol is a domain-specific language and toolchain for specifying and checking cryptographic algorithms. It is packaged as a developer tool because its main value is an executable specification language, REPL-like interpreter, and solver-backed verification workflow rather than a conventional application.
Project history
The official README says Cryptol was designed by Galois for the NSA Laboratory for Advanced Cybersecurity Research as a public standard for specifying cryptographic algorithms. The current repository represents Cryptol version 3 and carries Galois copyright notices beginning in 2013, with the public GitHub repository created in 2014.
Adoption history
Cryptol is distributed through official GitHub release binaries for macOS, Linux, and Windows, and the README explicitly documents Homebrew installation for macOS. The supplied package metadata also lists Arch and Ubuntu packages, reflecting a tool that is niche but important enough for language, formal-methods, and cryptography users to want through normal package channels.
How it is used
Users write executable specifications of cryptographic algorithms in Cryptol, then use the interpreter's :check command for randomized testing and :prove or :sat commands through SMT solvers such as Z3. The README also points users toward examples, the standard library, and the related SAW tooling for checking implementations against specifications.
Why package nerds care
Cryptol is interesting to packagers because it bundles a language runtime, documentation, examples, and solver expectations into a CLI package. Its README notes that Homebrew installs the appropriate Z3 version automatically, which is the kind of dependency detail that determines whether a formal-methods package works out of the box.
Timeline
- 2013: The version 3 codebase carries Galois copyright notices beginning in this year.
- 2014: The official GitHub repository was created.
- 2026: The hosted reference manual shows active 3.x documentation and master-branch docs.
Related projects
- Cryptol is closely related to Galois's SAW tools and to the cryptol-specs repository of example specifications. Its everyday operation also depends on SMT solvers such as Z3.
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew bottle metadata was recorded.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
check-exercises | executable | indexed executable | Discovered from the local executable index. |
cryptol | executable | indexed executable | Discovered from the local executable index. |
cryptol-html | executable | indexed executable | Discovered from the local executable index. |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-08-03
manager version3.5.0
manager updated2026-07-22
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:cryptol |
|---|---|
| Version | 3.5.0 |
| Package manager | Homebrew |
| Homepage | https://galoisinc.github.io/cryptol/master/RefMan.html |
| Repository | https://github.com/GaloisInc/cryptol |
| Last updated | 2026-07-22T14:10:44Z |
| Pulse | updated |
| Bottle | not recorded |
| Service | none declared |
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Ubuntu apt95%
cryptol 3.0.0-1build1
domain-specific language of cryptography
sudo apt install cryptol- Section: universe/utils
- Architecture: amd64
- Source Package: haskell-cryptol
- 6 dependencies
- normalized package name match
- Matched by: Cryptol
pacman95%
cryptol 3.3.0-129
The Language of Cryptography
https://tools.galois.com/cryptol
sudo pacman -S cryptol- License: BSD-3-Clause
- Architecture: x86_64
- 32 dependencies
- normalized package name match
- Matched by: Cryptol
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- pkg.so package database
- pkgdb category and tag curation