hsms · PyPI

HSMS: hardware security module software/simulator

This project is intended to run on an air-gapped computer to sign chia spends using bls12_381 keys.

Install

$ pip install -e .

If on windows, you need one extra package:

$ pip install pyreadline

Tools

Command-line tools installed include:

hsms - HSM sim that accepts UnsignedSpend objects and produces signatures, full or partial
hsmgen - generate secret keys
hsmpk - show public keys for secret keys
hsmmerge - merge signatures for a multisig spend
qrint - convert binary to/from qrint ascii

For testing & debugging:

hsm_test_spend - create a simple test UnsignedSpend multisig spend
hsm_dump_sb - debug utility to dump information about a SpendBundle
hsm_dump_us - debug utility to dump information about an UnsignedSpend

Metadata

Release files for hsms 0.3.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for hsms 0.3.2
File	Size	Uploaded
hsms-0.3.2.tar.gz	49.0 kB	Nov 20, 2025	Details

Built distribution (wheel)

Table of built distributions (wheels) for hsms 0.3.2
File	Interpreter	ABI	Platform	Reset
hsms-0.3.2-py3-none-any.whl 40.1 kB Nov 20, 2025	Python 3	none	any	Details

Total release size: 89.1 kB

Release files / hsms-0.3.2.tar.gz

Download URL	hsms-0.3.2.tar.gz
Size	49.0 kB
Tags	Source
SHA-256 checksum How to use checksums	`7b6ce24d8825680a18e7546b4573e594029f265dcccfb16e3c3fe373faee4b71`
BLAKE2b-256 checksum How to use checksums	`2472a74431d86945594323fa21c54f4c322a6f21aa89517679cae9bba903abea`
Upload date	Nov 20, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/Chia-Network/hsms
Publishing commit: github.com/Chia-Network/hsms/tree/20e4d0abf6f29c02c8abc362e83137134c52013c

Workflow

Publishing configuration: github.com/Chia-Network/hsms/blob/20e4d0abf6f29c02c8abc362e83137134c52013c/.github/workflows/build-wheels.yaml
Publishing logs: github.com/Chia-Network/hsms/actions/runs/19551074002/attempts/1

Artifact

Subject: hsms-0.3.2.tar.gz
SHA-256 checksum: 7b6ce24d8825680a18e7546b4573e594029f265dcccfb16e3c3fe373faee4b71 Verifying attestations

Release files / hsms-0.3.2-py3-none-any.whl

Download URL	hsms-0.3.2-py3-none-any.whl
Size	40.1 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`b6facaf7f3673b6a479ba18c7078892bee8b9b9c4b4a1efb9c785b43a6d6886c`
BLAKE2b-256 checksum How to use checksums	`7fb3da4a3517495751a89188e2138cb2beb0c04a8b40642b50a6d3c3634e630e`
Upload date	Nov 20, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/Chia-Network/hsms
Publishing commit: github.com/Chia-Network/hsms/tree/20e4d0abf6f29c02c8abc362e83137134c52013c

Workflow

Publishing configuration: github.com/Chia-Network/hsms/blob/20e4d0abf6f29c02c8abc362e83137134c52013c/.github/workflows/build-wheels.yaml
Publishing logs: github.com/Chia-Network/hsms/actions/runs/19551074002/attempts/1

Artifact

Subject: hsms-0.3.2-py3-none-any.whl
SHA-256 checksum: b6facaf7f3673b6a479ba18c7078892bee8b9b9c4b4a1efb9c785b43a6d6886c Verifying attestations