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itsdangerous

Safely pass trusted data to untrusted environments and back.

requests-http-signature

A Requests auth module for the IETF HTTP Message Signatures draft standard

privy

An easy, fast lib to correctly password-protect your data

gostcrypto

GOST cryptographic functions

elastik

curl is all you need. Bytes over HTTP, packets over CoAP, one path between intelligences.

encypher-ai

Embed invisible metadata in AI-generated text using zero-width characters.

poly1305-aes

Python wrapper around poly1305aes by Daniel J. Bernstein

air-gate

Human-in-the-loop tool gating for AI agents — HMAC-SHA256 audit trail (Article 14)

pywebhook-lite

Simple webhook sender and receiver with HMAC signatures and retry logic

jucrypt

JuCrypt is an experimental symmetric cipher where the encryption key is a piece of text you write which can be a story, a sentence, a memory or maybe something else?

hierarchical-id64

Hierarchical identifier formats with cryptographic local validation. HUUID is UUIDv8-compatible (RFC 9562); HID64 is a compact 64-bit variant.

hierarchical-uuid

Hierarchical identifier formats with cryptographic local validation. HUUID is UUIDv8-compatible (RFC 9562); HID64 is a compact 64-bit variant.

django-rest-framework-hmac

HMAC Authentication for the django-rest-framework

craft-auth

Transport-layer command authentication for AI agents. Zero dependencies, pure Python stdlib.

messaging-py-sdk

A Python SDK for messaging and webhook integration with comprehensive documentation.

spectral-aead

An algorithm for authenticated encryption with associated data using Speck and HMAC-SHA256.

ink

An easy, fast lib to correctly password-protect your data

eccryptography

Elliptic Curve Cryptography for public key encryption and ECDSA. Elliptic Cryptography Diffie Hellman Key Exchange with AES algorithms are implmented as well as Sha512

apiverve-hmacgenerator

HMAC Generator creates Hash-based Message Authentication Codes for data integrity and authentication. Supports SHA-256, SHA-384, SHA-512, SHA-1, and MD5 algorithms.

webhook-cannon

Lightweight async webhook delivery with HMAC signing, SSRF protection, and auto-disable for failing endpoints.

poly1305-donna

Python wrapper around poly1305_donna by floodberry