本文整理汇总了Python中cryptography.exceptions._Reasons.UNSUPPORTED_ELLIPTIC_CURVE属性的典型用法代码示例。如果您正苦于以下问题：Python _Reasons.UNSUPPORTED_ELLIPTIC_CURVE属性的具体用法？Python _Reasons.UNSUPPORTED_ELLIPTIC_CURVE怎么用？Python _Reasons.UNSUPPORTED_ELLIPTIC_CURVE使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类cryptography.exceptions._Reasons的用法示例。
在下文中一共展示了_Reasons.UNSUPPORTED_ELLIPTIC_CURVE属性的6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: _elliptic_curve_to_nid
# 需要导入模块: from cryptography.exceptions import _Reasons [as 别名]
# 或者: from cryptography.exceptions._Reasons import UNSUPPORTED_ELLIPTIC_CURVE [as 别名]
def _elliptic_curve_to_nid(self, curve):
"""
Get the NID for a curve name.
"""
curve_aliases = {
"secp192r1": "prime192v1",
"secp256r1": "prime256v1"
}
curve_name = curve_aliases.get(curve.name, curve.name)
curve_nid = self._lib.OBJ_sn2nid(curve_name.encode())
if curve_nid == self._lib.NID_undef:
raise UnsupportedAlgorithm(
"{0} is not a supported elliptic curve".format(curve.name),
_Reasons.UNSUPPORTED_ELLIPTIC_CURVE
)
return curve_nid 示例2: generate_elliptic_curve_private_key
# 需要导入模块: from cryptography.exceptions import _Reasons [as 别名]
# 或者: from cryptography.exceptions._Reasons import UNSUPPORTED_ELLIPTIC_CURVE [as 别名]
def generate_elliptic_curve_private_key(self, curve):
"""
Generate a new private key on the named curve.
"""
if self.elliptic_curve_supported(curve):
curve_nid = self._elliptic_curve_to_nid(curve)
ec_cdata = self._lib.EC_KEY_new_by_curve_name(curve_nid)
self.openssl_assert(ec_cdata != self._ffi.NULL)
ec_cdata = self._ffi.gc(ec_cdata, self._lib.EC_KEY_free)
res = self._lib.EC_KEY_generate_key(ec_cdata)
self.openssl_assert(res == 1)
evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata)
return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey)
else:
raise UnsupportedAlgorithm(
"Backend object does not support {0}.".format(curve.name),
_Reasons.UNSUPPORTED_ELLIPTIC_CURVE
) 示例3: generate_elliptic_curve_private_key
# 需要导入模块: from cryptography.exceptions import _Reasons [as 别名]
# 或者: from cryptography.exceptions._Reasons import UNSUPPORTED_ELLIPTIC_CURVE [as 别名]
def generate_elliptic_curve_private_key(self, curve):
"""
Generate a new private key on the named curve.
"""
if self.elliptic_curve_supported(curve):
curve_nid = self._elliptic_curve_to_nid(curve)
ec_cdata = self._lib.EC_KEY_new_by_curve_name(curve_nid)
self.openssl_assert(ec_cdata != self._ffi.NULL)
ec_cdata = self._ffi.gc(ec_cdata, self._lib.EC_KEY_free)
res = self._lib.EC_KEY_generate_key(ec_cdata)
self.openssl_assert(res == 1)
res = self._lib.EC_KEY_check_key(ec_cdata)
self.openssl_assert(res == 1)
evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata)
return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey)
else:
raise UnsupportedAlgorithm(
"Backend object does not support {0}.".format(curve.name),
_Reasons.UNSUPPORTED_ELLIPTIC_CURVE
) 示例4: generate_elliptic_curve_private_key
# 需要导入模块: from cryptography.exceptions import _Reasons [as 别名]
# 或者: from cryptography.exceptions._Reasons import UNSUPPORTED_ELLIPTIC_CURVE [as 别名]
def generate_elliptic_curve_private_key(self, curve):
for b in self._filtered_backends(EllipticCurveBackend):
try:
return b.generate_elliptic_curve_private_key(curve)
except UnsupportedAlgorithm:
continue
raise UnsupportedAlgorithm(
"This backend does not support this elliptic curve.",
_Reasons.UNSUPPORTED_ELLIPTIC_CURVE
) 示例5: load_elliptic_curve_private_numbers
# 需要导入模块: from cryptography.exceptions import _Reasons [as 别名]
# 或者: from cryptography.exceptions._Reasons import UNSUPPORTED_ELLIPTIC_CURVE [as 别名]
def load_elliptic_curve_private_numbers(self, numbers):
for b in self._filtered_backends(EllipticCurveBackend):
try:
return b.load_elliptic_curve_private_numbers(numbers)
except UnsupportedAlgorithm:
continue
raise UnsupportedAlgorithm(
"This backend does not support this elliptic curve.",
_Reasons.UNSUPPORTED_ELLIPTIC_CURVE
) 示例6: load_elliptic_curve_public_numbers
# 需要导入模块: from cryptography.exceptions import _Reasons [as 别名]
# 或者: from cryptography.exceptions._Reasons import UNSUPPORTED_ELLIPTIC_CURVE [as 别名]
def load_elliptic_curve_public_numbers(self, numbers):
for b in self._filtered_backends(EllipticCurveBackend):
try:
return b.load_elliptic_curve_public_numbers(numbers)
except UnsupportedAlgorithm:
continue
raise UnsupportedAlgorithm(
"This backend does not support this elliptic curve.",
_Reasons.UNSUPPORTED_ELLIPTIC_CURVE
)