Python SDK for the Settled tamper-evident audit log
Project description
settled-sdk
Python SDK for Settled, a tamper-evident audit log built on RFC 6962 Merkle trees.
Installation
pip install settled-sdk
Usage
Connecting to a Settled server
from settled import SettledClient
client = SettledClient("localhost:50051")
# Append an entry
result = client.append(b"my audit event")
# Get the current Signed Tree Head
sth = client.get_sth()
# Verify inclusion
proof = client.inclusion_proof(result.leaf_index, sth.tree_size)
Verifying proofs independently
from settled import verify_inclusion, verify_consistency, verify_tree_head
# Verify that an entry is included in a tree
verify_inclusion(leaf_hash, leaf_index, tree_size, proof_hashes, root_hash)
# Verify consistency between two tree heads
verify_consistency(old_size, new_size, proof_hashes, old_root, new_root)
# Verify the signature on a Signed Tree Head
verify_tree_head(sth, public_key_bytes)
License
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