30 lines
690 B
Python
30 lines
690 B
Python
import os
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import yaml
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from base64 import b64decode, b64encode
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from nacl.signing import SigningKey
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class ConfigException(Exception):
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pass
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def tag(key):
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"""Create tag from publick key."""
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return b'@' + b64encode(bytes(key)) + b'.ed25519'
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def load_ssb_secret():
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"""Load SSB keys from ~/.ssb"""
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with open(os.path.expanduser('~/.ssb/secret')) as f:
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config = yaml.load(f, Loader=yaml.SafeLoader)
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if config['curve'] != 'ed25519':
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raise ConfigException('Algorithm not known: ' + config['curve'])
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server_prv_key = b64decode(config['private'][:-8])
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return {
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'keypair': SigningKey(server_prv_key[:32]),
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'id': config['id']
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}
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