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Bugfix to allow seeding via KMS #56

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Merged
skiptomyliu merged 1 commit into from
Nov 17, 2022
Merged

Bugfix to allow seeding via KMS #56

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4 changes: 3 additions & 1 deletion bless/aws_lambda/bless_lambda_common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
import logging
import os

import base64
import boto3
from bless.cache.bless_lambda_cache import BlessLambdaCache
from bless.config.bless_config import BLESS_OPTIONS_SECTION, LOGGING_LEVEL_OPTION, ENTROPY_MINIMUM_BITS_OPTION, \
Expand Down Expand Up @@ -58,8 +59,9 @@ def check_entropy(config, logger):
response = kms_client.generate_random(
NumberOfBytes=random_seed_bytes)
random_seed = response['Plaintext']
random_seed_b64 = base64.b64encode(random_seed).decode('utf-8')
with open('/dev/urandom', 'w') as urandom:
urandom.write(random_seed)
urandom.write(random_seed_b64)


def setup_lambda_cache(ca_private_key_password, config_file):
Expand Down