将python密码术EC密钥转换为OpenSSH格式

import base64
import struct
import hashlib

def convert_to_openssh_format(private_key):
    # 解码私钥
    private_key_decoded = base64.b64decode(private_key)

    # 获取私钥的字节长度
    key_length = len(private_key_decoded)

    # 获取私钥的椭圆曲线类型
    curve_type = private_key_decoded[8:12]

    # 获取私钥的椭圆曲线名称
    curve_name_length = struct.unpack('>I', private_key_decoded[12:16])[0]
    curve_name = private_key_decoded[16:16 + curve_name_length]

    # 获取私钥的公钥
    public_key = private_key_decoded[16 + curve_name_length:key_length - 32]

    # 获取私钥的私钥
    private_key_value = private_key_decoded[key_length - 32:]

    # 计算私钥的公钥哈希
    public_key_hash = hashlib.sha256(public_key).digest()

    # 构建OpenSSH格式的私钥
    openssh_private_key = b'ecdsa-sha2-' + curve_name + b' ' + base64.b64encode(public_key) + b' ' + base64.b64encode(private_key_value) + b' Python EC key'

    return openssh_private_key

private_key = 'your_private_key_here'
openssh_private_key = convert_to_openssh_format(private_key)
print(openssh_private_key)