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"""
Benchmarks for crypto operations.
If you don't want to stress your local machine too much, you can pass the
SIZE_LIMT environment variable.
For instance, to keep the maximum payload at 1MB:
SIZE_LIMIT=1E6 py.test -s tests/perf/test_crypto.py
"""
import pytest
import os
import json
from uuid import uuid4
from leap.soledad.common.document import SoledadDocument
from leap.soledad.client import _crypto
LIMIT = int(float(os.environ.get('SIZE_LIMIT', 50 * 1000 * 1000)))
def create_doc_encryption(size):
@pytest.mark.benchmark(group="test_crypto_encrypt_doc")
@pytest.inlineCallbacks
def test_doc_encryption(soledad_client, txbenchmark, payload):
"""
Encrypt a document of a given size.
"""
crypto = soledad_client()._crypto
DOC_CONTENT = {'payload': payload(size)}
doc = SoledadDocument(
doc_id=uuid4().hex, rev='rev',
json=json.dumps(DOC_CONTENT))
yield txbenchmark(crypto.encrypt_doc, doc)
return test_doc_encryption
# TODO this test is really bullshit, because it's still including
# the json serialization.
def create_doc_decryption(size):
@pytest.inlineCallbacks
@pytest.mark.benchmark(group="test_crypto_decrypt_doc")
def test_doc_decryption(soledad_client, txbenchmark, payload):
"""
Decrypt a document of a given size.
"""
crypto = soledad_client()._crypto
DOC_CONTENT = {'payload': payload(size)}
doc = SoledadDocument(
doc_id=uuid4().hex, rev='rev',
json=json.dumps(DOC_CONTENT))
encrypted_doc = yield crypto.encrypt_doc(doc)
doc.set_json(encrypted_doc)
yield txbenchmark(crypto.decrypt_doc, doc)
return test_doc_decryption
def create_raw_encryption(size):
@pytest.mark.benchmark(group="test_crypto_raw_encrypt")
def test_raw_encrypt(monitored_benchmark, payload):
"""
Encrypt raw payload using default mode from crypto module.
"""
key = payload(32)
monitored_benchmark(_crypto.encrypt_sym, payload(size), key)
return test_raw_encrypt
def create_raw_decryption(size):
@pytest.mark.benchmark(group="test_crypto_raw_decrypt")
def test_raw_decrypt(monitored_benchmark, payload):
"""
Decrypt raw payload using default mode from crypto module.
"""
key = payload(32)
iv, ciphertext = _crypto.encrypt_sym(payload(size), key)
monitored_benchmark(_crypto.decrypt_sym, ciphertext, key, iv)
return test_raw_decrypt
# Create the TESTS in the global namespace, they'll be picked by the benchmark
# plugin.
encryption_tests = [
('10k', 1E4),
('100k', 1E5),
('500k', 5E5),
('1M', 1E6),
('10M', 1E7),
('50M', 5E7),
]
for name, size in encryption_tests:
if size < LIMIT:
sz = int(size)
globals()['test_encrypt_doc_' + name] = create_doc_encryption(sz)
globals()['test_decrypt_doc_' + name] = create_doc_decryption(sz)
for name, size in encryption_tests:
if size < LIMIT:
sz = int(size)
globals()['test_encrypt_raw_' + name] = create_raw_encryption(sz)
globals()['test_decrypt_raw_' + name] = create_raw_decryption(sz)
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