本文整理匯總了Python中pyasn1.compat.octets.oct2int方法的典型用法代碼示例。如果您正苦於以下問題：Python octets.oct2int方法的具體用法？Python octets.oct2int怎麽用？Python octets.oct2int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pyasn1.compat.octets的用法示例。
在下文中一共展示了octets.oct2int方法的6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: valueDecoder
# 需要導入模塊: from pyasn1.compat import octets [as 別名]
# 或者: from pyasn1.compat.octets import oct2int [as 別名]
def valueDecoder(self, fullSubstrate, substrate, asn1Spec, tagSet, length,
state, decodeFun, substrateFun):
head, tail = substrate[:length], substrate[length:]
if not head:
return self._createComponent(asn1Spec, tagSet, 0), tail
if head in self.precomputedValues:
value = self.precomputedValues[head]
else:
firstOctet = oct2int(head[0])
if firstOctet & 0x80:
value = -1
else:
value = 0
for octet in head:
value = value << 8 | oct2int(octet)
return self._createComponent(asn1Spec, tagSet, value), tail 示例2: valueDecoder
# 需要導入模塊: from pyasn1.compat import octets [as 別名]
# 或者: from pyasn1.compat.octets import oct2int [as 別名]
def valueDecoder(self, fullSubstrate, substrate, asn1Spec, tagSet, length,
state, decodeFun, substrateFun):
head, tail = substrate[:length], substrate[length:]
if not head or length != 1:
raise error.PyAsn1Error('Not single-octet Boolean payload')
byte = oct2int(head[0])
# CER/DER specifies encoding of TRUE as 0xFF and FALSE as 0x0, while
# BER allows any non-zero value as TRUE; cf. sections 8.2.2. and 11.1
# in http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
if byte == 0xff:
value = 1
elif byte == 0x00:
value = 0
else:
raise error.PyAsn1Error('Unexpected Boolean payload: %s' % byte)
return self._createComponent(asn1Spec, tagSet, value), tail 示例3: valueDecoder
# 需要導入模塊: from pyasn1.compat import octets [as 別名]
# 或者: from pyasn1.compat.octets import oct2int [as 別名]
def valueDecoder(self, fullSubstrate, substrate, asn1Spec, tagSet, length,
state, decodeFun, substrateFun):
head, tail = substrate[:length], substrate[length:]
if not head or length != 1:
raise error.PyAsn1Error('Not single-octet Boolean payload')
byte = oct2int(head[0])
# CER/DER specifies encoding of TRUE as 0xFF and FALSE as 0x0, while
# BER allows any non-zero value as TRUE; cf. sections 8.2.2. and 11.1
# in http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
if byte == 0xff:
value = 1
elif byte == 0x00:
value = 0
else:
raise error.PyAsn1Error('Unexpected Boolean payload: %s' % byte)
return self._createComponent(asn1Spec, tagSet, value), tail
# TODO: prohibit non-canonical encoding 示例4: valueDecoder
# 需要導入模塊: from pyasn1.compat import octets [as 別名]
# 或者: from pyasn1.compat.octets import oct2int [as 別名]
def valueDecoder(self, substrate, asn1Spec,
tagSet=None, length=None, state=None,
decodeFun=None, substrateFun=None,
**options):
head, tail = substrate[:length], substrate[length:]
if not head or length != 1:
raise error.PyAsn1Error('Not single-octet Boolean payload')
byte = oct2int(head[0])
# CER/DER specifies encoding of TRUE as 0xFF and FALSE as 0x0, while
# BER allows any non-zero value as TRUE; cf. sections 8.2.2. and 11.1
# in https://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
if byte == 0xff:
value = 1
elif byte == 0x00:
value = 0
else:
raise error.PyAsn1Error('Unexpected Boolean payload: %s' % byte)
return self._createComponent(asn1Spec, tagSet, value, **options), tail
# TODO: prohibit non-canonical encoding 示例5: from_bytes
# 需要導入模塊: from pyasn1.compat import octets [as 別名]
# 或者: from pyasn1.compat.octets import oct2int [as 別名]
def from_bytes(octets, signed=False):
if not octets:
return 0
value = long(b2a_hex(ensureString(octets)), 16)
if signed and oct2int(octets[0]) & 0x80:
return value - (1 << len(octets) * 8)
return value 示例6: indefLenValueDecoder
# 需要導入模塊: from pyasn1.compat import octets [as 別名]
# 或者: from pyasn1.compat.octets import oct2int [as 別名]
def indefLenValueDecoder(self, substrate, asn1Spec,
tagSet=None, length=None, state=None,
decodeFun=None, substrateFun=None,
**options):
if substrateFun:
return substrateFun(self._createComponent(asn1Spec, tagSet, noValue, **options), substrate, length)
# All inner fragments are of the same type, treat them as octet string
substrateFun = self.substrateCollector
bitString = self.protoComponent.fromOctetString(null, internalFormat=True)
while substrate:
component, substrate = decodeFun(substrate, self.protoComponent,
substrateFun=substrateFun,
allowEoo=True, **options)
if component is eoo.endOfOctets:
break
trailingBits = oct2int(component[0])
if trailingBits > 7:
raise error.PyAsn1Error(
'Trailing bits overflow %s' % trailingBits
)
bitString = self.protoComponent.fromOctetString(
component[1:], internalFormat=True,
prepend=bitString, padding=trailingBits
)
else:
raise error.SubstrateUnderrunError('No EOO seen before substrate ends')
return self._createComponent(asn1Spec, tagSet, bitString, **options), substrate