本文整理汇总了Python中cryptography.hazmat.backends.interfaces.PBKDF2HMACBackend方法的典型用法代码示例。如果您正苦于以下问题：Python interfaces.PBKDF2HMACBackend方法的具体用法？Python interfaces.PBKDF2HMACBackend怎么用？Python interfaces.PBKDF2HMACBackend使用的例子？那么恭喜您, 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cryptography.hazmat.backends.interfaces的用法示例。
在下文中一共展示了interfaces.PBKDF2HMACBackend方法的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: __init__
# 需要导入模块: from cryptography.hazmat.backends import interfaces [as 别名]
# 或者: from cryptography.hazmat.backends.interfaces import PBKDF2HMACBackend [as 别名]
def __init__(self, algorithm, length, salt, iterations, backend):
if not isinstance(backend, PBKDF2HMACBackend):
raise UnsupportedAlgorithm(
"Backend object does not implement PBKDF2HMACBackend.",
_Reasons.BACKEND_MISSING_INTERFACE
)
if not backend.pbkdf2_hmac_supported(algorithm):
raise UnsupportedAlgorithm(
"{0} is not supported for PBKDF2 by this backend.".format(
algorithm.name),
_Reasons.UNSUPPORTED_HASH
)
self._used = False
self._algorithm = algorithm
self._length = length
if not isinstance(salt, bytes):
raise TypeError("salt must be bytes.")
self._salt = salt
self._iterations = iterations
self._backend = backend 示例2: __init__
# 需要导入模块: from cryptography.hazmat.backends import interfaces [as 别名]
# 或者: from cryptography.hazmat.backends.interfaces import PBKDF2HMACBackend [as 别名]
def __init__(self, algorithm, length, salt, iterations, backend):
if not isinstance(backend, PBKDF2HMACBackend):
raise UnsupportedAlgorithm(
"Backend object does not implement PBKDF2HMACBackend.",
_Reasons.BACKEND_MISSING_INTERFACE
)
if not backend.pbkdf2_hmac_supported(algorithm):
raise UnsupportedAlgorithm(
"{} is not supported for PBKDF2 by this backend.".format(
algorithm.name),
_Reasons.UNSUPPORTED_HASH
)
self._used = False
self._algorithm = algorithm
self._length = length
utils._check_bytes("salt", salt)
self._salt = salt
self._iterations = iterations
self._backend = backend