Python pubkey.pubkey方法代碼示例

# 需要導入模塊: from Crypto.PublicKey import pubkey [as 別名]
# 或者: from Crypto.PublicKey.pubkey import pubkey [as 別名]
def encrypt(self, plaintext, K):
        """Encrypt a piece of data with RSA.

        :Parameter plaintext: The piece of data to encrypt with RSA. It may not
         be numerically larger than the RSA module (**n**).
        :Type plaintext: byte string or long

        :Parameter K: A random parameter (*for compatibility only. This
         value will be ignored*)
        :Type K: byte string or long

        :attention: this function performs the plain, primitive RSA encryption
         (*textbook*). In real applications, you always need to use proper
         cryptographic padding, and you should not directly encrypt data with
         this method. Failure to do so may lead to security vulnerabilities.
         It is recommended to use modules
         `Crypto.Cipher.PKCS1_OAEP` or `Crypto.Cipher.PKCS1_v1_5` instead.

        :Return: A tuple with two items. The first item is the ciphertext
         of the same type as the plaintext (string or long). The second item
         is always None.
        """
        return pubkey.pubkey.encrypt(self, plaintext, K) 

# 需要導入模塊: from Crypto.PublicKey import pubkey [as 別名]
# 或者: from Crypto.PublicKey.pubkey import pubkey [as 別名]
def decrypt(self, ciphertext):
        """Decrypt a piece of data with RSA.

        Decryption always takes place with blinding.

        :attention: this function performs the plain, primitive RSA decryption
         (*textbook*). In real applications, you always need to use proper
         cryptographic padding, and you should not directly decrypt data with
         this method. Failure to do so may lead to security vulnerabilities.
         It is recommended to use modules
         `Crypto.Cipher.PKCS1_OAEP` or `Crypto.Cipher.PKCS1_v1_5` instead.

        :Parameter ciphertext: The piece of data to decrypt with RSA. It may
         not be numerically larger than the RSA module (**n**). If a tuple,
         the first item is the actual ciphertext; the second item is ignored.

        :Type ciphertext: byte string, long or a 2-item tuple as returned by
         `encrypt`

        :Return: A byte string if ciphertext was a byte string or a tuple
         of byte strings. A long otherwise.
        """
        return pubkey.pubkey.decrypt(self, ciphertext) 

# 需要導入模塊: from Crypto.PublicKey import pubkey [as 別名]
# 或者: from Crypto.PublicKey.pubkey import pubkey [as 別名]
def sign(self, M, K):
        """Sign a piece of data with RSA.

        Signing always takes place with blinding.

        :attention: this function performs the plain, primitive RSA decryption
         (*textbook*). In real applications, you always need to use proper
         cryptographic padding, and you should not directly sign data with
         this method. Failure to do so may lead to security vulnerabilities.
         It is recommended to use modules
         `Crypto.Signature.PKCS1_PSS` or `Crypto.Signature.PKCS1_v1_5` instead.

        :Parameter M: The piece of data to sign with RSA. It may
         not be numerically larger than the RSA module (**n**).
        :Type M: byte string or long

        :Parameter K: A random parameter (*for compatibility only. This
         value will be ignored*)
        :Type K: byte string or long

        :Return: A 2-item tuple. The first item is the actual signature (a
         long). The second item is always None.
        """
        return pubkey.pubkey.sign(self, M, K) 

# 需要導入模塊: from Crypto.PublicKey import pubkey [as 別名]
# 或者: from Crypto.PublicKey.pubkey import pubkey [as 別名]
def verify(self, M, signature):
        """Verify the validity of an RSA signature.

        :attention: this function performs the plain, primitive RSA encryption
         (*textbook*). In real applications, you always need to use proper
         cryptographic padding, and you should not directly verify data with
         this method. Failure to do so may lead to security vulnerabilities.
         It is recommended to use modules
         `Crypto.Signature.PKCS1_PSS` or `Crypto.Signature.PKCS1_v1_5` instead.
 
        :Parameter M: The expected message.
        :Type M: byte string or long

        :Parameter signature: The RSA signature to verify. The first item of
         the tuple is the actual signature (a long not larger than the modulus
         **n**), whereas the second item is always ignored.
        :Type signature: A 2-item tuple as return by `sign`

        :Return: True if the signature is correct, False otherwise.
        """
        return pubkey.pubkey.verify(self, M, signature)