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-rw-r--r--pysnmp/proto/secmod/rfc3414/auth/base.py2
-rw-r--r--pysnmp/proto/secmod/rfc3414/auth/hmacmd5.py29
-rw-r--r--pysnmp/proto/secmod/rfc3414/auth/hmacsha.py28
-rw-r--r--pysnmp/proto/secmod/rfc3414/auth/noauth.py2
4 files changed, 33 insertions, 28 deletions
diff --git a/pysnmp/proto/secmod/rfc3414/auth/base.py b/pysnmp/proto/secmod/rfc3414/auth/base.py
index 3ff8778f..1c019aea 100644
--- a/pysnmp/proto/secmod/rfc3414/auth/base.py
+++ b/pysnmp/proto/secmod/rfc3414/auth/base.py
@@ -8,7 +8,7 @@ from pysnmp.proto import errind, error
class AbstractAuthenticationService(object):
- serviceID = None
+ SERVICE_ID = None
def hashPassphrase(self, authKey):
raise error.ProtocolError(errind.noAuthentication)
diff --git a/pysnmp/proto/secmod/rfc3414/auth/hmacmd5.py b/pysnmp/proto/secmod/rfc3414/auth/hmacmd5.py
index 761bf3d9..3ce12da2 100644
--- a/pysnmp/proto/secmod/rfc3414/auth/hmacmd5.py
+++ b/pysnmp/proto/secmod/rfc3414/auth/hmacmd5.py
@@ -6,25 +6,28 @@
#
try:
from hashlib import md5
+
except ImportError:
import md5
md5 = md5.new
+
from pyasn1.type import univ
from pysnmp.proto.secmod.rfc3414.auth import base
from pysnmp.proto.secmod.rfc3414 import localkey
from pysnmp.proto import errind, error
-_twelveZeros = univ.OctetString((0,) * 12).asOctets()
-_fortyEightZeros = (0,) * 48
+TWELVE_ZEROS = univ.OctetString((0,) * 12).asOctets()
+FORTY_EIGHT_ZEROS = (0,) * 48
# rfc3414: 6.2.4
class HmacMd5(base.AbstractAuthenticationService):
- serviceID = (1, 3, 6, 1, 6, 3, 10, 1, 1, 2) # usmHMACMD5AuthProtocol
- __ipad = [0x36] * 64
- __opad = [0x5C] * 64
+ SERVICE_ID = (1, 3, 6, 1, 6, 3, 10, 1, 1, 2) # usmHMACMD5AuthProtocol
+
+ IPAD = [0x36] * 64
+ OPAD = [0x5C] * 64
def hashPassphrase(self, authKey):
return localkey.hashPassphraseMD5(authKey)
@@ -42,7 +45,7 @@ class HmacMd5(base.AbstractAuthenticationService):
# should be in the substrate. Also, it pre-sets digest placeholder
# so we hash wholeMsg out of the box.
# Yes, that's ugly but that's rfc...
- l = wholeMsg.find(_twelveZeros)
+ l = wholeMsg.find(TWELVE_ZEROS)
if l == -1:
raise error.ProtocolError('Cant locate digest placeholder')
wholeHead = wholeMsg[:l]
@@ -51,20 +54,20 @@ class HmacMd5(base.AbstractAuthenticationService):
# 6.3.1.1
# 6.3.1.2a
- extendedAuthKey = authKey.asNumbers() + _fortyEightZeros
+ extendedAuthKey = authKey.asNumbers() + FORTY_EIGHT_ZEROS
# 6.3.1.2b --> no-op
# 6.3.1.2c
k1 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__ipad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.IPAD)
)
# 6.3.1.2d --> no-op
# 6.3.1.2e
k2 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__opad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.OPAD)
)
# 6.3.1.3
@@ -93,23 +96,23 @@ class HmacMd5(base.AbstractAuthenticationService):
raise error.ProtocolError('Cant locate digest in wholeMsg')
wholeHead = wholeMsg[:l]
wholeTail = wholeMsg[l + 12:]
- authenticatedWholeMsg = wholeHead + _twelveZeros + wholeTail
+ authenticatedWholeMsg = wholeHead + TWELVE_ZEROS + wholeTail
# 6.3.2.4a
- extendedAuthKey = authKey.asNumbers() + _fortyEightZeros
+ extendedAuthKey = authKey.asNumbers() + FORTY_EIGHT_ZEROS
# 6.3.2.4b --> no-op
# 6.3.2.4c
k1 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__ipad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.IPAD)
)
# 6.3.2.4d --> no-op
# 6.3.2.4e
k2 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__opad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.OPAD)
)
# 6.3.2.5a
diff --git a/pysnmp/proto/secmod/rfc3414/auth/hmacsha.py b/pysnmp/proto/secmod/rfc3414/auth/hmacsha.py
index 3efe9c49..8776f6fb 100644
--- a/pysnmp/proto/secmod/rfc3414/auth/hmacsha.py
+++ b/pysnmp/proto/secmod/rfc3414/auth/hmacsha.py
@@ -10,21 +10,23 @@ except ImportError:
import sha
sha1 = sha.new
+
from pyasn1.type import univ
from pysnmp.proto.secmod.rfc3414.auth import base
from pysnmp.proto.secmod.rfc3414 import localkey
from pysnmp.proto import errind, error
-_twelveZeros = univ.OctetString((0,) * 12).asOctets()
-_fortyFourZeros = (0,) * 44
+TWELVE_ZEROS = univ.OctetString((0,) * 12).asOctets()
+FORTY_FOUR_ZEROS = (0,) * 44
# 7.2.4
class HmacSha(base.AbstractAuthenticationService):
- serviceID = (1, 3, 6, 1, 6, 3, 10, 1, 1, 3) # usmHMACSHAAuthProtocol
- __ipad = [0x36] * 64
- __opad = [0x5C] * 64
+ SERVICE_ID = (1, 3, 6, 1, 6, 3, 10, 1, 1, 3) # usmHMACSHAAuthProtocol
+
+ IPAD = [0x36] * 64
+ OPAD = [0x5C] * 64
def hashPassphrase(self, authKey):
return localkey.hashPassphraseSHA(authKey)
@@ -43,27 +45,27 @@ class HmacSha(base.AbstractAuthenticationService):
# should be in the substrate. Also, it pre-sets digest placeholder
# so we hash wholeMsg out of the box.
# Yes, that's ugly but that's rfc...
- l = wholeMsg.find(_twelveZeros)
+ l = wholeMsg.find(TWELVE_ZEROS)
if l == -1:
raise error.ProtocolError('Cant locate digest placeholder')
wholeHead = wholeMsg[:l]
wholeTail = wholeMsg[l + 12:]
# 7.3.1.2a
- extendedAuthKey = authKey.asNumbers() + _fortyFourZeros
+ extendedAuthKey = authKey.asNumbers() + FORTY_FOUR_ZEROS
# 7.3.1.2b -- no-op
# 7.3.1.2c
k1 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__ipad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.IPAD)
)
# 7.3.1.2d -- no-op
# 7.3.1.2e
k2 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__opad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.OPAD)
)
# 7.3.1.3
@@ -90,23 +92,23 @@ class HmacSha(base.AbstractAuthenticationService):
raise error.ProtocolError('Cant locate digest in wholeMsg')
wholeHead = wholeMsg[:l]
wholeTail = wholeMsg[l + 12:]
- authenticatedWholeMsg = wholeHead + _twelveZeros + wholeTail
+ authenticatedWholeMsg = wholeHead + TWELVE_ZEROS + wholeTail
# 7.3.2.4a
- extendedAuthKey = authKey.asNumbers() + _fortyFourZeros
+ extendedAuthKey = authKey.asNumbers() + FORTY_FOUR_ZEROS
# 7.3.2.4b --> no-op
# 7.3.2.4c
k1 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__ipad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.IPAD)
)
# 7.3.2.4d --> no-op
# 7.3.2.4e
k2 = univ.OctetString(
- map(lambda x, y: x ^ y, extendedAuthKey, self.__opad)
+ map(lambda x, y: x ^ y, extendedAuthKey, self.OPAD)
)
# 7.3.2.5a
diff --git a/pysnmp/proto/secmod/rfc3414/auth/noauth.py b/pysnmp/proto/secmod/rfc3414/auth/noauth.py
index d1dea4f5..d97d4888 100644
--- a/pysnmp/proto/secmod/rfc3414/auth/noauth.py
+++ b/pysnmp/proto/secmod/rfc3414/auth/noauth.py
@@ -9,7 +9,7 @@ from pysnmp.proto import errind, error
class NoAuth(base.AbstractAuthenticationService):
- serviceID = (1, 3, 6, 1, 6, 3, 10, 1, 1, 1) # usmNoAuthProtocol
+ SERVICE_ID = (1, 3, 6, 1, 6, 3, 10, 1, 1, 1) # usmNoAuthProtocol
def hashPassphrase(self, authKey):
return
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