swarmauri_crypto_pgp 0.2.0.dev3

OpenPGP (GnuPG) + AES-GCM crypto provider for Swarmauri

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Swarmauri Crypto PGP

OpenPGP (GnuPG-backed) crypto provider implementing the ICrypto contract.

• Symmetric AEAD: AES-256-GCM
• Key wrapping: OpenPGP public-key encryption (RSA keys recommended)
• Hybrid encrypt-for-many supported

Key material expectations

• encrypt/decrypt: KeyRef.material must be 16/24/32 bytes for AES-GCM
• wrap/encrypt_for_many: KeyRef.public must be ASCII-armored OpenPGP public key bytes
• unwrap: KeyRef.material must be ASCII-armored OpenPGP private key bytes

Installation

pip install swarmauri_crypto_pgp

Usage

from swarmauri_crypto_pgp import PGPCrypto
from swarmauri_core.crypto.types import KeyRef, KeyType, KeyUse, ExportPolicy

crypto = PGPCrypto()

# Symmetric key for AEAD
sym = KeyRef(
    kid="sym1",
    version=1,
    type=KeyType.SYMMETRIC,
    uses=(KeyUse.ENCRYPT, KeyUse.DECRYPT),
    export_policy=ExportPolicy.SECRET_WHEN_ALLOWED,
    material=b"\x00" * 32,
)

ct = await crypto.encrypt(sym, b"hello")
pt = await crypto.decrypt(sym, ct)

Entry point

The provider is registered under the swarmauri.cryptos entry-point as PGPCrypto.