Python中关于RSAPrivateNumbers()的20条随机中文标题

1. 使用RSAPrivateNumbers()生成随机的RSA私钥

from cryptography.hazmat.primitives.asymmetric import rsa

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()

2. 生成RSA私钥的RSAPrivateNumbers()对象

from cryptography.hazmat.primitives.asymmetric import rsa

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()

3. 使用RSAPrivateNumbers()获取RSA私钥的部分信息

from cryptography.hazmat.primitives.asymmetric import rsa

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
print("D:", private_numbers.d)
print("P:", private_numbers.p)
print("Q:", private_numbers.q)

4. 从RSAPrivateNumbers()对象中恢复RSA私钥

from cryptography.hazmat.primitives.asymmetric import rsa

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
restored_private_key = private_numbers.private_key()

5. 使用RSAPrivateNumbers()生成带有自定义参数的RSA私钥

from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import utils
from cryptography.hazmat.primitives import serialization

# 自定义参数
p = rsa.generate_private_key(
    public_exponent=utils.decode_dss_signature(public_exponent),
    key_size=2048,
)
q = utils.decode_dss_signature(signature)

private_numbers = utils.RSAPrivateNumbers(p, q, d, dmp1, dmq1, iqmp)
private_key = private_numbers.private_key()

6. 将RSAPrivateNumbers()对象序列化为字节字符串

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
serialized_private_numbers = private_numbers.private_bytes(
    encoding=serialization.Encoding.DER,
    format=serialization.PrivateFormat.PKCS8,
    encryption_algorithm=serialization.NoEncryption()
)

7. 将字节字符串反序列化为RSAPrivateNumbers()对象

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization

serialized_private_numbers = b'...'
private_numbers = serialization.load_der_private_numbers(
    serialized_private_numbers,
    password=None
)

8. 使用RSAPrivateNumbers()创建加密密钥对

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization

private_numbers = ...
public_numbers = private_numbers.public_numbers
private_key = private_numbers.private_key()
public_key = public_numbers.public_key(
    backend=default_backend()
)

9. 使用RSAPrivateNumbers()生成数字签名

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives import serialization

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
message = b'...'
signature = private_key.sign(
    message,
    padding.PSS(
        mgf=padding.MGF1(hashes.SHA256()),
        salt_length=padding.PSS.MAX_LENGTH
    ),
    hashes.SHA256()
)

10. 使用RSAPrivateNumbers()验证数字签名

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives import serialization

public_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
).public_key()

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()

message = b'...'
signature = private_key.sign(
    message,
    padding.PSS(
        mgf=padding.MGF1(hashes.SHA256()),
        salt_length=padding.PSS.MAX_LENGTH
    ),
    hashes.SHA256()
)

public_key.verify(
    signature,
    message,
    padding.PSS(
        mgf=padding.MGF1(hashes.SHA256()),
        salt_length=padding.PSS.MAX_LENGTH
    ),
    hashes.SHA256()
)

11. 使用RSAPrivateNumbers()加密消息

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives import serialization

public_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
).public_key()

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()

message = b'...'
ciphertext = public_key.encrypt(
    message,
    padding.OAEP(
        mgf=padding.MGF1(algorithm=hashes.SHA256()),
        algorithm=hashes.SHA256(),
        label=None
    )
)

12. 使用RSAPrivateNumbers()解密密文

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives import serialization

public_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
).public_key()

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()

message = b'...'
ciphertext = public_key.encrypt(
    message,
    padding.OAEP(
        mgf=padding.MGF1(algorithm=hashes.SHA256()),
        algorithm=hashes.SHA256(),
        label=None
    )
)

plaintext = private_key.decrypt(
    ciphertext,
    padding.OAEP(
        mgf=padding.MGF1(algorithm=hashes.SHA256()),
        algorithm=hashes.SHA256(),
        label=None
    )
)

13. 使用RSAPrivateNumbers()生成RSA签名密钥对

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import utils

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
public_key = utils.RSAPublicNumbers(
    e=private_numbers.public_numbers.e,
    n=private_numbers.public_numbers.n
).public_key()

14. 生成带有自定义参数的RSA私钥的RSAPrivateNumbers()对象

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import utils

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
custom_private_numbers = utils.RSAPrivateNumbers(
    p=private_numbers.p,
    q=private_numbers.q,
    d=private_numbers.d,
    dmp1=private_numbers.dmp1,
    dmq1=private_numbers.dmq1,
    iqmp=private_numbers.iqmp,
)

15. 使用RSAPrivateNumbers()生成RSAPublicNumbers()对象

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import utils

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()
public_numbers = utils.RSAPublicNumbers(
    e=private_numbers.public_numbers.e,
    n=private_numbers.public_numbers.n
)

16. 使用RSAPrivateNumbers()生成加密密文

from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives import serialization

public_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
).public_key()

private_key = rsa.generate_private_key(
    public_exponent=65537,
    key_size=2048,
)

private_numbers = private_key.private_numbers()

message = b'...'
ciphertext = public_key.encrypt(
    message,
    padding.OAEP(
        mgf=padding.MGF1(algorithm=hashes.SHA256()),
        algorithm=hashes.SHA256(),
        label=None
    )
)

17. 使用RSAPr