本文整理汇总了Python中rsa._compat.b方法的典型用法代码示例。如果您正苦于以下问题：Python _compat.b方法的具体用法？Python _compat.b怎么用？Python _compat.b使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rsa._compat的用法示例。
在下文中一共展示了_compat.b方法的11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: save_pem
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def save_pem(contents, pem_marker):
"""Saves a PEM file.
:param contents: the contents to encode in PEM format
:param pem_marker: the marker of the PEM content, such as 'RSA PRIVATE KEY'
when your file has '-----BEGIN RSA PRIVATE KEY-----' and
'-----END RSA PRIVATE KEY-----' markers.
:return: the base64-encoded content between the start and end markers.
"""
(pem_start, pem_end) = _markers(pem_marker)
b64 = base64.standard_b64encode(contents).replace(b('\n'), b(''))
pem_lines = [pem_start]
for block_start in range(0, len(b64), 64):
block = b64[block_start:block_start + 64]
pem_lines.append(block)
pem_lines.append(pem_end)
pem_lines.append(b(''))
return b('\n').join(pem_lines) 示例2: save_pem
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def save_pem(contents, pem_marker):
'''Saves a PEM file.
@param contents: the contents to encode in PEM format
@param pem_marker: the marker of the PEM content, such as 'RSA PRIVATE KEY'
when your file has '-----BEGIN RSA PRIVATE KEY-----' and
'-----END RSA PRIVATE KEY-----' markers.
@return the base64-encoded content between the start and end markers.
'''
(pem_start, pem_end) = _markers(pem_marker)
b64 = base64.encodestring(contents).replace(b('\n'), b(''))
pem_lines = [pem_start]
for block_start in range(0, len(b64), 64):
block = b64[block_start:block_start + 64]
pem_lines.append(block)
pem_lines.append(pem_end)
pem_lines.append(b(''))
return b('\n').join(pem_lines) 示例3: bytes2int
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def bytes2int(raw_bytes):
r"""Converts a list of bytes or an 8-bit string to an integer.
When using unicode strings, encode it to some encoding like UTF8 first.
>>> (((128 * 256) + 64) * 256) + 15
8405007
>>> bytes2int(b'\x80@\x0f')
8405007
"""
return int(binascii.hexlify(raw_bytes), 16) 示例4: _markers
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _markers(pem_marker):
"""
Returns the start and end PEM markers
"""
if is_bytes(pem_marker):
pem_marker = pem_marker.decode('utf-8')
return (b('-----BEGIN %s-----' % pem_marker),
b('-----END %s-----' % pem_marker)) 示例5: _pad_for_signing
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _pad_for_signing(message, target_length):
r"""Pads the message for signing, returning the padded message.
The padding is always a repetition of FF bytes.
:return: 00 01 PADDING 00 MESSAGE
>>> block = _pad_for_signing(b'hello', 16)
>>> len(block)
16
>>> block[0:2]
b'\x00\x01'
>>> block[-6:]
b'\x00hello'
>>> block[2:-6]
b'\xff\xff\xff\xff\xff\xff\xff\xff'
"""
max_msglength = target_length - 11
msglength = len(message)
if msglength > max_msglength:
raise OverflowError('%i bytes needed for message, but there is only'
' space for %i' % (msglength, max_msglength))
padding_length = target_length - msglength - 3
return b('').join([b('\x00\x01'),
padding_length * b('\xff'),
b('\x00'),
message]) 示例6: _load_pkcs1_pem
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _load_pkcs1_pem(cls, keyfile):
"""Loads a PKCS#1 PEM-encoded private key file.
The contents of the file before the "-----BEGIN RSA PRIVATE KEY-----" and
after the "-----END RSA PRIVATE KEY-----" lines is ignored.
:param keyfile: contents of a PEM-encoded file that contains the private
key.
:return: a PrivateKey object
"""
der = rsa.pem.load_pem(keyfile, b('RSA PRIVATE KEY'))
return cls._load_pkcs1_der(der) 示例7: _save_pkcs1_pem
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _save_pkcs1_pem(self):
"""Saves a PKCS#1 PEM-encoded private key file.
:return: contents of a PEM-encoded file that contains the private key.
"""
der = self._save_pkcs1_der()
return rsa.pem.save_pem(der, b('RSA PRIVATE KEY')) 示例8: _markers
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _markers(pem_marker):
'''
Returns the start and end PEM markers
'''
if is_bytes(pem_marker):
pem_marker = pem_marker.decode('utf-8')
return (b('-----BEGIN %s-----' % pem_marker),
b('-----END %s-----' % pem_marker)) 示例9: _pad_for_signing
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _pad_for_signing(message, target_length):
r'''Pads the message for signing, returning the padded message.
The padding is always a repetition of FF bytes.
:return: 00 01 PADDING 00 MESSAGE
>>> block = _pad_for_signing('hello', 16)
>>> len(block)
16
>>> block[0:2]
'\x00\x01'
>>> block[-6:]
'\x00hello'
>>> block[2:-6]
'\xff\xff\xff\xff\xff\xff\xff\xff'
'''
max_msglength = target_length - 11
msglength = len(message)
if msglength > max_msglength:
raise OverflowError('%i bytes needed for message, but there is only'
' space for %i' % (msglength, max_msglength))
padding_length = target_length - msglength - 3
return b('').join([b('\x00\x01'),
padding_length * b('\xff'),
b('\x00'),
message]) 示例10: _load_pkcs1_pem
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _load_pkcs1_pem(cls, keyfile):
'''Loads a PKCS#1 PEM-encoded private key file.
The contents of the file before the "-----BEGIN RSA PRIVATE KEY-----" and
after the "-----END RSA PRIVATE KEY-----" lines is ignored.
@param keyfile: contents of a PEM-encoded file that contains the private
key.
@return: a PrivateKey object
'''
der = rsa.pem.load_pem(keyfile, b('RSA PRIVATE KEY'))
return cls._load_pkcs1_der(der) 示例11: _save_pkcs1_pem
# 需要导入模块: from rsa import _compat [as 别名]
# 或者: from rsa._compat import b [as 别名]
def _save_pkcs1_pem(self):
'''Saves a PKCS#1 PEM-encoded private key file.
@return: contents of a PEM-encoded file that contains the private key.
'''
der = self._save_pkcs1_der()
return rsa.pem.save_pem(der, b('RSA PRIVATE KEY'))