我有私钥,例如生成RSA密钥对:
ssh-keygen -t rsa -N 123456 -f /tmp/rsa我可以替换调用:
ssh-keygen -p -P 123456 -N "" -f /tmp/rsa使用python加密模块:
from cryptography.hazmat.backends import default_backend
import cryptography.hazmat.primitives.serialization as crypto_serialization
priv_key = crypto_serialization.load_pem_private_key(open(key_path, "rb").read(),
passphrase.encode('utf-8'),
default_backend()
)
with open(key_path, "wb") as dest_pem:
dest_pem.write(priv_key.private_bytes(crypto_serialization.Encoding.PEM,
crypto_serialization.PrivateFormat.TraditionalOpenSSL,
crypto_serialization.NoEncryption()
)
)但是当我用参数-t ed25519生成密钥时,我得到了错误:
File "/usr/local/lib64/python3.6/site-packages/cryptography/hazmat/primitives/serialization/base.py", line 16, in load_pem_private_key
return backend.load_pem_private_key(data, password)
File "/usr/local/lib64/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1089, in load_pem_private_key
password,
File "/usr/local/lib64/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1315, in _load_key
self._handle_key_loading_error()
File "/usr/local/lib64/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 1373, in _handle_key_loading_error
raise ValueError("Could not deserialize key data.")
ValueError: Could not deserialize key data.我使用python paramiko模块加载Ed25519私钥,但是我不能序列化私有字节:
import paramiko
key_priv = paramiko.Ed25519Key.from_private_key_file('ed25519', password=b'123456')发布于 2021-02-19 14:40:26
生成密钥对:
ssh-keygen -t ed25519 -N 123456 -f ed25519使用load_ssh_private_key方法,我尝试解密私钥:
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.backends import default_backend
priv_key = serialization.load_ssh_private_key(open('ed25519', 'rb').read(), b'123456', default_backend())
with open('ed25519_py', wb') as dest_key:
dest_key.write(priv_key.private_bytes(serialization.Encoding.PEM,
serialization.PrivateFormat.OpenSSH,
serialization.NoEncryption()
)
)没有发生错误,我得到了未加密的openssh格式的私钥文件。
另一方面,使用ssk-keygen工具,我将私钥文件的密码短语更改为空:
ssh-keygen -p -P 123456 -N "" -f ed25519因此,我有两个解密的密钥,与不匹配的。
如何使用python获取与ssh-keygen调用结果匹配的密钥?
https://stackoverflow.com/questions/66209372
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