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2020-09-30ikev2: better packet parsing functionsFilip Tehlar1-0/+24
Ticket: VPP-1918 Type: improvement Change-Id: I2bc3e30121697404dcd54f1c2127bd85ccc1029e Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
2020-09-07ipsec: fix padding/alignment for native IPsec encryptionChristian Hopps1-16/+38
Not all ESP crypto algorithms require padding/alignment to be the same as AES block/IV size. CCM, CTR and GCM all have no padding/alignment requirements, and the RFCs indicate that no padding (beyond ESPs 4 octet alignment requirement) should be used unless TFC (traffic flow confidentiality) has been requested. CTR: https://tools.ietf.org/html/rfc3686#section-3.2 GCM: https://tools.ietf.org/html/rfc4106#section-3.2 CCM: https://tools.ietf.org/html/rfc4309#section-3.2 - VPP is incorrectly using the IV/AES block size to pad CTR and GCM. These modes do not require padding (beyond ESPs 4 octet requirement), as a result packets will have unnecessary padding, which will waste bandwidth at least and possibly fail certain network configurations that have finely tuned MTU configurations at worst. Fix this as well as changing the field names from ".*block_size" to ".*block_align" to better represent their actual (and only) use. Rename "block_sz" in esp_encrypt to "esp_align" and set it correctly as well. test: ipsec: Add unit-test to test for RFC correct padding/alignment test: patch scapy to not incorrectly pad ccm, ctr, gcm modes as well - Scapy is also incorrectly using the AES block size of 16 to pad CCM, CTR, and GCM cipher modes. A bug report has been opened with the and acknowledged with the upstream scapy project as well: https://github.com/secdev/scapy/issues/2322 Ticket: VPP-1928 Type: fix Signed-off-by: Christian Hopps <chopps@labn.net> Change-Id: Iaa4d6a325a2e99fdcb2c375a3395bcfe7947770e
2020-05-05ipsec: User can choose the UDP source portNeale Ranns1-1/+10
Type: feature thus allowing NAT traversal, Signed-off-by: Neale Ranns <nranns@cisco.com> Change-Id: Ie8650ceeb5074f98c68d2d90f6adc2f18afeba08 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2020-02-13vrrp: add plugin providing vrrp supportMatthew Smith1-0/+35
Type: feature Add a new plugin to support HA using VRRPv3 (RFC 5798). Change-Id: Iaa2c37e6172f8f41e9165f178f44d481f6e247b9 Signed-off-by: Matthew Smith <mgsmith@netgate.com>
2019-12-18tests: fix cdp patch for scapy 2.4.3Paul Vinciguerra1-20/+2
Type: test Fixes: 5d4b8912d2fe186b4fb920a72b3a2f7b556f4e7d Change-Id: Ib64ae00eba41b2b6afc728142cbccc02d07f4997 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2019-12-14tests: changes for scapy 2.4.3 migrationsnaramre2-0/+193
Type: fix Change-Id: I7e041b666dabd90df23a920a1f1d99db4c10ddfe Signed-off-by: snaramre <snaramre@cisco.com>