本文整理匯總了Python中cryptography.hazmat.backends.openssl.backend.backend.aead_cipher_supported方法的典型用法代碼示例。如果您正苦於以下問題：Python backend.aead_cipher_supported方法的具體用法？Python backend.aead_cipher_supported怎麽用？Python backend.aead_cipher_supported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.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.openssl.backend import backend [as 別名]
# 或者: from cryptography.hazmat.backends.openssl.backend.backend import aead_cipher_supported [as 別名]
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__
# 需要導入模塊: from cryptography.hazmat.backends.openssl.backend import backend [as 別名]
# 或者: from cryptography.hazmat.backends.openssl.backend.backend import aead_cipher_supported [as 別名]
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__
# 需要導入模塊: from cryptography.hazmat.backends.openssl.backend import backend [as 別名]
# 或者: from cryptography.hazmat.backends.openssl.backend.backend import aead_cipher_supported [as 別名]
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