本文整理匯總了Python中rsa.core.encrypt_int方法的典型用法代碼示例。如果您正苦於以下問題：Python core.encrypt_int方法的具體用法？Python core.encrypt_int怎麽用？Python core.encrypt_int使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類rsa.core的用法示例。
在下文中一共展示了core.encrypt_int方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: encrypt
# 需要導入模塊: from rsa import core [as 別名]
# 或者: from rsa.core import encrypt_int [as 別名]
def encrypt(message, pub_key):
"""Encrypts the given message using PKCS#1 v1.5
:param message: the message to encrypt. Must be a byte string no longer than
``k-11`` bytes, where ``k`` is the number of bytes needed to encode
the ``n`` component of the public key.
:param pub_key: the :py:class:`rsa.PublicKey` to encrypt with.
:raise OverflowError: when the message is too large to fit in the padded
block.
>>> from rsa import key, common
>>> (pub_key, priv_key) = key.newkeys(256)
>>> message = b'hello'
>>> crypto = encrypt(message, pub_key)
The crypto text should be just as long as the public key 'n' component:
>>> len(crypto) == common.byte_size(pub_key.n)
True
"""
keylength = common.byte_size(pub_key.n)
padded = _pad_for_encryption(message, keylength)
payload = transform.bytes2int(padded)
encrypted = core.encrypt_int(payload, pub_key.e, pub_key.n)
block = transform.int2bytes(encrypted, keylength)
return block 示例2: encrypt
# 需要導入模塊: from rsa import core [as 別名]
# 或者: from rsa.core import encrypt_int [as 別名]
def encrypt(message, pub_key):
'''Encrypts the given message using PKCS#1 v1.5
:param message: the message to encrypt. Must be a byte string no longer than
``k-11`` bytes, where ``k`` is the number of bytes needed to encode
the ``n`` component of the public key.
:param pub_key: the :py:class:`rsa.PublicKey` to encrypt with.
:raise OverflowError: when the message is too large to fit in the padded
block.
>>> from rsa import key, common
>>> (pub_key, priv_key) = key.newkeys(256)
>>> message = 'hello'
>>> crypto = encrypt(message, pub_key)
The crypto text should be just as long as the public key 'n' component:
>>> len(crypto) == common.byte_size(pub_key.n)
True
'''
keylength = common.byte_size(pub_key.n)
padded = _pad_for_encryption(message, keylength)
payload = transform.bytes2int(padded)
encrypted = core.encrypt_int(payload, pub_key.e, pub_key.n)
block = transform.int2bytes(encrypted, keylength)
return block 示例3: sign
# 需要導入模塊: from rsa import core [as 別名]
# 或者: from rsa.core import encrypt_int [as 別名]
def sign(message, priv_key, hash):
'''Signs the message with the private key.
Hashes the message, then signs the hash with the given key. This is known
as a "detached signature", because the message itself isn't altered.
:param message: the message to sign. Can be an 8-bit string or a file-like
object. If ``message`` has a ``read()`` method, it is assumed to be a
file-like object.
:param priv_key: the :py:class:`rsa.PrivateKey` to sign with
:param hash: the hash method used on the message. Use 'MD5', 'SHA-1',
'SHA-256', 'SHA-384' or 'SHA-512'.
:return: a message signature block.
:raise OverflowError: if the private key is too small to contain the
requested hash.
'''
# Get the ASN1 code for this hash method
if hash not in HASH_ASN1:
raise ValueError('Invalid hash method: %s' % hash)
asn1code = HASH_ASN1[hash]
# Calculate the hash
hash = _hash(message, hash)
# Encrypt the hash with the private key
cleartext = asn1code + hash
keylength = common.byte_size(priv_key.n)
padded = _pad_for_signing(cleartext, keylength)
payload = transform.bytes2int(padded)
encrypted = core.encrypt_int(payload, priv_key.d, priv_key.n)
block = transform.int2bytes(encrypted, keylength)
return block