本文整理汇总了Python中rsa.varblock.VARBLOCK_VERSION属性的典型用法代码示例。如果您正苦于以下问题：Python varblock.VARBLOCK_VERSION属性的具体用法？Python varblock.VARBLOCK_VERSION怎么用？Python varblock.VARBLOCK_VERSION使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类rsa.varblock的用法示例。
在下文中一共展示了varblock.VARBLOCK_VERSION属性的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: encrypt_bigfile
# 需要导入模块: from rsa import varblock [as 别名]
# 或者: from rsa.varblock import VARBLOCK_VERSION [as 别名]
def encrypt_bigfile(infile, outfile, pub_key):
'''Encrypts a file, writing it to 'outfile' in VARBLOCK format.
:param infile: file-like object to read the cleartext from
:param outfile: file-like object to write the crypto in VARBLOCK format to
:param pub_key: :py:class:`rsa.PublicKey` to encrypt with
'''
if not isinstance(pub_key, key.PublicKey):
raise TypeError('Public key required, but got %r' % pub_key)
key_bytes = common.bit_size(pub_key.n) // 8
blocksize = key_bytes - 11 # keep space for PKCS#1 padding
# Write the version number to the VARBLOCK file
outfile.write(byte(varblock.VARBLOCK_VERSION))
# Encrypt and write each block
for block in varblock.yield_fixedblocks(infile, blocksize):
crypto = pkcs1.encrypt(block, pub_key)
varblock.write_varint(outfile, len(crypto))
outfile.write(crypto) 示例2: encrypt_bigfile
# 需要导入模块: from rsa import varblock [as 别名]
# 或者: from rsa.varblock import VARBLOCK_VERSION [as 别名]
def encrypt_bigfile(infile, outfile, pub_key):
"""Encrypts a file, writing it to 'outfile' in VARBLOCK format.
.. deprecated:: 3.4
This function was deprecated in Python-RSA version 3.4 due to security issues
in the VARBLOCK format. See the documentation_ for more information.
.. _documentation: https://stuvel.eu/python-rsa-doc/usage.html#working-with-big-files
:param infile: file-like object to read the cleartext from
:param outfile: file-like object to write the crypto in VARBLOCK format to
:param pub_key: :py:class:`rsa.PublicKey` to encrypt with
"""
warnings.warn("The 'rsa.bigfile.encrypt_bigfile' function was deprecated in Python-RSA version "
"3.4 due to security issues in the VARBLOCK format. See "
"https://stuvel.eu/python-rsa-doc/usage.html#working-with-big-files "
"for more information.",
DeprecationWarning, stacklevel=2)
if not isinstance(pub_key, key.PublicKey):
raise TypeError('Public key required, but got %r' % pub_key)
key_bytes = common.bit_size(pub_key.n) // 8
blocksize = key_bytes - 11 # keep space for PKCS#1 padding
# Write the version number to the VARBLOCK file
outfile.write(byte(varblock.VARBLOCK_VERSION))
# Encrypt and write each block
for block in varblock.yield_fixedblocks(infile, blocksize):
crypto = pkcs1.encrypt(block, pub_key)
varblock.write_varint(outfile, len(crypto))
outfile.write(crypto)