ipsec: fix padding/alignment for native IPsec encryption

[vpp.git] / test / patches / scapy-2.4 / ipsec.patch

diff --git a/test/patches/scapy-2.4/ipsec.patch b/test/patches/scapy-2.4/ipsec.patch
index 083b0b9..7eb0123 100644 (file)
--- a/test/patches/scapy-2.4/ipsec.patch
+++ b/test/patches/scapy-2.4/ipsec.patch
@@ -1,5 +1,5 @@
 diff --git a/scapy/layers/ipsec.py b/scapy/layers/ipsec.py
-index 69e7ae3b..3a1724b2 100644
+index 69e7ae3b..d9c1705b 100644
 --- a/scapy/layers/ipsec.py
 +++ b/scapy/layers/ipsec.py
 @@ -344,8 +344,7 @@ class CryptAlgo(object):
@@ -24,7 +24,31 @@ index 69e7ae3b..3a1724b2 100644
              try:
                  data = decryptor.update(data) + decryptor.finalize()
              except InvalidTag as err:
-@@ -518,12 +514,16 @@ class AuthAlgo(object):
+@@ -422,6 +418,7 @@ if algorithms:
+     CRYPT_ALGOS['AES-CTR'] = CryptAlgo('AES-CTR',
+                                        cipher=algorithms.AES,
+                                        mode=modes.CTR,
++                                       block_size=1,
+                                        iv_size=8,
+                                        salt_size=4,
+                                        format_mode_iv=_aes_ctr_format_mode_iv)
+@@ -429,6 +426,7 @@ if algorithms:
+     CRYPT_ALGOS['AES-GCM'] = CryptAlgo('AES-GCM',
+                                        cipher=algorithms.AES,
+                                        mode=modes.GCM,
++                                       block_size=1,
+                                        salt_size=4,
+                                        iv_size=8,
+                                        icv_size=16,
+@@ -437,6 +435,7 @@ if algorithms:
+         CRYPT_ALGOS['AES-CCM'] = CryptAlgo('AES-CCM',
+                                            cipher=algorithms.AES,
+                                            mode=modes.CCM,
++                                           block_size=1,
+                                            iv_size=8,
+                                            salt_size=3,
+                                            icv_size=16,
+@@ -518,12 +517,16 @@ class AuthAlgo(object):
          else:
              return self.mac(key, self.digestmod(), default_backend())
  
@@ -42,7 +66,7 @@ index 69e7ae3b..3a1724b2 100644
  
          @return: the signed packet
          """
-@@ -534,16 +534,20 @@ class AuthAlgo(object):
+@@ -534,16 +537,20 @@ class AuthAlgo(object):
  
          if pkt.haslayer(ESP):
              mac.update(raw(pkt[ESP]))
@@ -64,7 +88,7 @@ index 69e7ae3b..3a1724b2 100644
          """
          Check that the integrity check value (icv) of a packet is valid.
  
-@@ -574,6 +578,8 @@ class AuthAlgo(object):
+@@ -574,6 +581,8 @@ class AuthAlgo(object):
              clone = zero_mutable_fields(pkt.copy(), sending=False)
  
          mac.update(raw(clone))
@@ -73,7 +97,7 @@ index 69e7ae3b..3a1724b2 100644
          computed_icv = mac.finalize()[:self.icv_size]
  
          # XXX: Cannot use mac.verify because the ICV can be truncated
-@@ -757,7 +763,8 @@ class SecurityAssociation(object):
+@@ -757,7 +766,8 @@ class SecurityAssociation(object):
      SUPPORTED_PROTOS = (IP, IPv6)
  
      def __init__(self, proto, spi, seq_num=1, crypt_algo=None, crypt_key=None,
@@ -83,7 +107,7 @@ index 69e7ae3b..3a1724b2 100644
          """
          @param proto: the IPsec proto to use (ESP or AH)
          @param spi: the Security Parameters Index of this SA
-@@ -771,6 +778,7 @@ class SecurityAssociation(object):
+@@ -771,6 +781,7 @@ class SecurityAssociation(object):
                                to encapsulate the encrypted packets.
          @param nat_t_header: an instance of a UDP header that will be used
                               for NAT-Traversal.
@@ -91,7 +115,7 @@ index 69e7ae3b..3a1724b2 100644
          """
  
          if proto not in (ESP, AH, ESP.name, AH.name):
-@@ -782,6 +790,7 @@ class SecurityAssociation(object):
+@@ -782,6 +793,7 @@ class SecurityAssociation(object):
  
          self.spi = spi
          self.seq_num = seq_num
@@ -99,7 +123,7 @@ index 69e7ae3b..3a1724b2 100644
  
          if crypt_algo:
              if crypt_algo not in CRYPT_ALGOS:
-@@ -827,6 +836,23 @@ class SecurityAssociation(object):
+@@ -827,6 +839,23 @@ class SecurityAssociation(object):
              raise TypeError('packet spi=0x%x does not match the SA spi=0x%x' %
                              (pkt.spi, self.spi))
  
@@ -123,7 +147,7 @@ index 69e7ae3b..3a1724b2 100644
      def _encrypt_esp(self, pkt, seq_num=None, iv=None):
  
          if iv is None:
-@@ -835,7 +861,8 @@ class SecurityAssociation(object):
+@@ -835,7 +864,8 @@ class SecurityAssociation(object):
              if len(iv) != self.crypt_algo.iv_size:
                  raise TypeError('iv length must be %s' % self.crypt_algo.iv_size)
  
@@ -133,7 +157,7 @@ index 69e7ae3b..3a1724b2 100644
  
          if self.tunnel_header:
              tunnel = self.tunnel_header.copy()
-@@ -857,7 +884,7 @@ class SecurityAssociation(object):
+@@ -857,7 +887,7 @@ class SecurityAssociation(object):
          esp = self.crypt_algo.pad(esp)
          esp = self.crypt_algo.encrypt(self, esp, self.crypt_key)
  
@@ -142,7 +166,7 @@ index 69e7ae3b..3a1724b2 100644
  
          if self.nat_t_header:
              nat_t_header = self.nat_t_header.copy()
-@@ -884,7 +911,8 @@ class SecurityAssociation(object):
+@@ -884,7 +914,8 @@ class SecurityAssociation(object):
  
      def _encrypt_ah(self, pkt, seq_num=None):
  
@@ -152,7 +176,7 @@ index 69e7ae3b..3a1724b2 100644
                  icv = b"\x00" * self.auth_algo.icv_size)
  
          if self.tunnel_header:
-@@ -924,7 +952,8 @@ class SecurityAssociation(object):
+@@ -924,7 +955,8 @@ class SecurityAssociation(object):
          else:
              ip_header.plen = len(ip_header.payload) + len(ah) + len(payload)
  
@@ -162,7 +186,7 @@ index 69e7ae3b..3a1724b2 100644
  
          # sequence number must always change, unless specified by the user
          if seq_num is None:
-@@ -955,11 +984,12 @@ class SecurityAssociation(object):
+@@ -955,11 +987,12 @@ class SecurityAssociation(object):
  
      def _decrypt_esp(self, pkt, verify=True):
  
@@ -176,7 +200,7 @@ index 69e7ae3b..3a1724b2 100644
  
          esp = self.crypt_algo.decrypt(self, encrypted, self.crypt_key,
                                        self.crypt_algo.icv_size or
-@@ -998,9 +1028,11 @@ class SecurityAssociation(object):
+@@ -998,9 +1031,11 @@ class SecurityAssociation(object):
  
      def _decrypt_ah(self, pkt, verify=True):