本文整理汇总了Python中cryptography.hazmat.backends.openssl.backend.backend.aead_cipher_supported方法的典型用法代码示例。如果您正苦于以下问题：Python backend.aead_cipher_supported方法的具体用法？Python backend.aead_cipher_supported怎么用？Python backend.aead_cipher_supported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.openssl.backend.backend的用法示例。
在下文中一共展示了backend.aead_cipher_supported方法的3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.openssl.backend import backend [as 别名]
# 或者: from cryptography.hazmat.backends.openssl.backend.backend import aead_cipher_supported [as 别名]
def __init__(self, key, tag_length=16):
utils._check_bytes("key", key)
if len(key) not in (16, 24, 32):
raise ValueError("AESCCM key must be 128, 192, or 256 bits.")
self._key = key
if not isinstance(tag_length, int):
raise TypeError("tag_length must be an integer")
if tag_length not in (4, 6, 8, 12, 14, 16):
raise ValueError("Invalid tag_length")
self._tag_length = tag_length
if not backend.aead_cipher_supported(self):
raise exceptions.UnsupportedAlgorithm(
"AESCCM is not supported by this version of OpenSSL",
exceptions._Reasons.UNSUPPORTED_CIPHER
) 示例2: __init__
# 需要导入模块: from cryptography.hazmat.backends.openssl.backend import backend [as 别名]
# 或者: from cryptography.hazmat.backends.openssl.backend.backend import aead_cipher_supported [as 别名]
def __init__(self, key, tag_length=16):
utils._check_byteslike("key", key)
if len(key) not in (16, 24, 32):
raise ValueError("AESCCM key must be 128, 192, or 256 bits.")
self._key = key
if not isinstance(tag_length, int):
raise TypeError("tag_length must be an integer")
if tag_length not in (4, 6, 8, 10, 12, 14, 16):
raise ValueError("Invalid tag_length")
self._tag_length = tag_length
if not backend.aead_cipher_supported(self):
raise exceptions.UnsupportedAlgorithm(
"AESCCM is not supported by this version of OpenSSL",
exceptions._Reasons.UNSUPPORTED_CIPHER
) 示例3: __init__
# 需要导入模块: from cryptography.hazmat.backends.openssl.backend import backend [as 别名]
# 或者: from cryptography.hazmat.backends.openssl.backend.backend import aead_cipher_supported [as 别名]
def __init__(self, key):
if not backend.aead_cipher_supported(self):
raise exceptions.UnsupportedAlgorithm(
"ChaCha20Poly1305 is not supported by this version of OpenSSL",
exceptions._Reasons.UNSUPPORTED_CIPHER
)
utils._check_byteslike("key", key)
if len(key) != 32:
raise ValueError("ChaCha20Poly1305 key must be 32 bytes.")
self._key = key