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GeezerVison is showing github.com — ssh-python/ssh/keytypes.pyx at master · iCodeIN/ssh-python

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# This file is part of ssh-python.
# Copyright (C) 2018-2020 Panos Kittenis
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation, version 2.1.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-130
from libc.string cimport const_char
from utils cimport to_str, to_bytes
from c_ssh cimport ssh_keytypes_e, ssh_key_type_to_char, ssh_key_type_from_name
cdef class KeyType:
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_UNKNOWN
@property
def value(self):
return self._type
def __str__(self):
cdef const_char *c_type
c_type = ssh_key_type_to_char(self._type)
if c_type is not NULL:
return to_str(c_type)
return "unknown"
def __repr__(self):
return self.__str__()
cdef class UnknownKey(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_UNKNOWN
cdef class DSSKey(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_DSS
cdef class RSAKey(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_RSA
cdef class RSA1Key(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_RSA1
cdef class ECDSAKey(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA
cdef class DSSCert01Key(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_DSS_CERT01
cdef class RSACert01Key(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_RSA_CERT01
cdef class ECDSA_P256(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P256
cdef class ECDSA_P384(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P384
cdef class ECDSA_P521(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P521
cdef class ECDSA_P256_CERT01(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P256_CERT01
cdef class ECDSA_P384_CERT01(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P384_CERT01
cdef class ECDSA_P521_CERT01(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P521_CERT01
cdef class ED25519Key(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ED25519
cdef class ED25519_CERT01(KeyType):
def __cinit__(self):
self._type = ssh_keytypes_e.SSH_KEYTYPE_ED25519_CERT01
cdef KeyType from_keytype(ssh_keytypes_e _type):
if _type == ssh_keytypes_e.SSH_KEYTYPE_UNKNOWN:
return UnknownKey()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_DSS:
return DSSKey()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_RSA:
return RSAKey()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_RSA1:
return RSA1Key()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA:
return ECDSAKey()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_DSS_CERT01:
return DSSCert01Key()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_RSA_CERT01:
return RSACert01Key()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P256:
return ECDSA_P256()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P384:
return ECDSA_P384()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P521:
return ECDSA_P521()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P256_CERT01:
return ECDSA_P256_CERT01()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P384_CERT01:
return ECDSA_P384_CERT01()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ECDSA_P521_CERT01:
return ECDSA_P521_CERT01()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ED25519:
return ED25519Key()
elif _type == ssh_keytypes_e.SSH_KEYTYPE_ED25519_CERT01:
return ED25519_CERT01()
else:
raise ValueError("Unknown keytype %s", _type)
def key_type_from_name(key_name):
cdef ssh_keytypes_e _type
cdef bytes b_key_name = to_bytes(key_name)
cdef const char *_key_name = b_key_name
with nogil:
_type = ssh_key_type_from_name(_key_name)
return from_keytype(_type)
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