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gpg: support ed25519 public keys and signatures

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Roman Zeyde
2016-04-22 23:37:04 +03:00
parent 74f7ebf228
commit 276dec5728
2 changed files with 53 additions and 27 deletions
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7
gpg/decode.py
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@@ -94,6 +94,7 @@ SUPPORTED_CURVES = {
b'\x2B\x06\x01\x04\x01\xDA\x47\x0F\x01': 'ed25519',
}
class Parser(object):
def __init__(self, stream, to_hash=None):
self.stream = stream
@@ -191,11 +192,11 @@ class Parser(object):
def _nist256p1_verify(signature, digest):
vk.verify_digest(signature=signature,
digest=digest,
sigdecode=lambda rs, order: rs)
digest=digest,
sigdecode=lambda rs, order: rs)
p['verifier'] = _nist256p1_verify
elif curve_name == 'ed25519':
prefix, value = split_bits(mpi, 8, 256)
prefix, value = split_bits(mpi, 8, 256)
assert prefix == 0x40
vk = ed25519.VerifyingKey(num2bytes(value, size=32))