本文整理匯總了Python中cryptography.hazmat.backends.interfaces.PBKDF2HMACBackend方法的典型用法代碼示例。如果您正苦於以下問題：Python interfaces.PBKDF2HMACBackend方法的具體用法？Python interfaces.PBKDF2HMACBackend怎麽用？Python interfaces.PBKDF2HMACBackend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cryptography.hazmat.backends.interfaces的用法示例。
在下文中一共展示了interfaces.PBKDF2HMACBackend方法的2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: __init__
# 需要導入模塊: from cryptography.hazmat.backends import interfaces [as 別名]
# 或者: from cryptography.hazmat.backends.interfaces import PBKDF2HMACBackend [as 別名]
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__
# 需要導入模塊: from cryptography.hazmat.backends import interfaces [as 別名]
# 或者: from cryptography.hazmat.backends.interfaces import PBKDF2HMACBackend [as 別名]
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