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gpg: small fixes

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This commit is contained in:
Roman Zeyde
2016-04-30 15:39:32 +03:00
parent 87ca33c104
commit 31c3686fa4
2 changed files with 12 additions and 9 deletions
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20
trezor_agent/gpg/encode.py
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@@ -152,7 +152,8 @@ class AgentSigner(object):
def sign(self, digest):
"""Sign the digest and return an ECDSA signature."""
params = agent.sign(sock=self.sock, keygrip=self.keygrip, digest=digest)
params = agent.sign(sock=self.sock,
keygrip=self.keygrip, digest=digest)
return b''.join(mpi(p) for p in params)
def close(self):
@@ -274,13 +275,13 @@ class Signer(object):
subpacket_time(self.pubkey.created)] # signature creaion time
unhashed_subpackets = [
subpacket(16, self.pubkey.key_id())] # issuer key id
back_sign = _make_signature(signer_func=self.conn.sign,
data_to_sign=data_to_sign,
public_algo=self.pubkey.algo_id,
sig_type=0x19,
hashed_subpackets=hashed_subpackets,
unhashed_subpackets=unhashed_subpackets)
log.info('back_sign: %r', back_sign)
embedded_sig = _make_signature(signer_func=self.conn.sign,
data_to_sign=data_to_sign,
public_algo=self.pubkey.algo_id,
sig_type=0x19,
hashed_subpackets=hashed_subpackets,
unhashed_subpackets=unhashed_subpackets)
log.info('embedded signature: %r', embedded_sig)
# Subkey Binding Signature
hashed_subpackets = [
@@ -288,7 +289,7 @@ class Signer(object):
subpacket_byte(0x1B, 2)] # key flags (certify & sign)
unhashed_subpackets = [
subpacket(16, primary['key_id']), # issuer key id
subpacket(32, back_sign)]
subpacket(32, embedded_sig)]
gpg_agent = AgentSigner(self.user_id)
signature = _make_signature(signer_func=gpg_agent.sign,
data_to_sign=data_to_sign,
@@ -320,6 +321,7 @@ class Signer(object):
def _make_signature(signer_func, data_to_sign, public_algo,
hashed_subpackets, unhashed_subpackets, sig_type=0):
# pylint: disable=too-many-arguments
header = struct.pack('>BBBB',
4, # version
sig_type, # rfc4880 (section-5.2.1)