Commit Graph
576 Commits
Author SHA1 Message Date
Tobias Brunner 9fe58c83fb proposal: Add supported KE methods to default ESP/AH proposals, but optional
This allows accepting clients that send proposals with non-optional KE
methods during rekeying, while still accepting clients that use the
previous non-KE default proposals.
2025-04-10 08:31:10 +02:00
Tobias Brunner 6cbd93838b Add configure option to disable testing key exchange methods
If this is used, the functionality to set a private key/value/seed for
key exchange methods is removed (including from the interface to avoid
accidentally forgetting to wrap implementations and uses of set_seed()).

The set_seed() method is assigned outside the INIT() macro to avoid
potentially undefined behavior (preprocessing directives in macro
arguments).

The test done by the crypto tester is a simple functionality test.
2025-04-10 08:31:09 +02:00
Tobias BrunnerandThomas Egerer e7848e36fa ha: Add support to sync IKE and Child SAs with multiple key exchanges
Synchronization for the additional transforms in the IKE and Child SA
proposals is added.  Details of the IKE_SA synchronization are changed
to support IKE_INTERMEDIATE exchanges that cause multiple HA_IKE_ADD
messages and key derivations.  The cache has been extended to handle
multiple such messages.

Co-authored-by: Thomas Egerer <[email protected]>
2025-02-28 16:02:41 +01:00
Andreas Steffen 3b7c49bc31 mgf1: Support of RSA PSS with SHA3 hash 2024-11-22 14:05:36 +01:00
Andreas Steffen 1265d78cac ntru: Remove legacy NTRU key exchange method 2024-11-22 14:05:36 +01:00
Andreas Steffen 8e3a373e18 newhope: Remove legacy Newhope key exchange method 2024-11-22 14:05:36 +01:00
Andreas Steffen 4833f29b15 bliss: Remove legacy BLISS signatures 2024-11-22 14:05:36 +01:00
Tobias Brunner 09636199e6 key-exchange: Document how the interface is used with KEMs 2024-11-21 14:26:35 +01:00
Andreas Steffen 40676786aa key-exchange: Joint ke_test_vector format for DH and KEM
Both Diffie-Hellman (DH) and Key Encapsulation Mechanism (KEM) based
key exchange methods use a common ke_test_vector format. The
set_seed() function is used to provide deterministic private key
material for the crypto tests.
2024-11-21 14:26:35 +01:00
Tobias Brunner 47de9ef9a1 key-exchange: Add identifiers for ML-KEM algorithms 2024-11-21 14:26:35 +01:00
Tobias Brunner 12d2b6e2b4 key-exchange: Pass prefix array directly, not a pointer to it 2024-08-08 11:19:16 +02:00
Tobias Brunner 012d99ecf4 proposal: Prevent selection of duplicate key exchange methods
All additional (and the initial) key exchanges must use a different method.
2024-08-07 16:20:19 +02:00
Tobias Brunner 1d5e921911 proposal: Add helper to check if additional key exchanges are contained 2024-08-07 16:20:19 +02:00
Tobias Brunner 882ff93bfd proposal: Accept NONE for additional key exchanges also for IKE proposals 2024-08-07 16:20:19 +02:00
Tobias Brunner c5a6938b9e proposal: Add prefix for additional key exchanges when logging proposals 2024-08-07 16:20:18 +02:00
Tobias Brunner e05d86b27a key-exchange: Add dynamic parser for additional key exchange methods 2024-08-07 16:20:18 +02:00
Tobias Brunner c36eaf42da key-exchange: Add helper to concatenate shared secrets of several key exchanges 2024-08-07 16:20:18 +02:00
Tobias Brunner 9cc5f4a511 proposal: Make all key exchange transforms optional in ESP/AH proposals 2024-08-07 16:20:18 +02:00
Tobias Brunner fb6b8c833b proposal: Skip all KE transforms if PROPOSAL_SKIP_KE given 2024-08-07 16:20:18 +02:00
Tobias Brunner 2e059e0c27 transform: Add helper to check if transform type negotiates key exchange 2024-08-07 16:20:18 +02:00
Tobias Brunner 22550bd262 transform: Add additional key exchange transform types 2024-08-07 16:20:18 +02:00
Tobias Brunner 14bd0bc743 Fixed some typos, courtesy of codespell 2023-11-14 10:11:16 +01:00
Tobias Brunner f73d8699b3 crypto-tester: Fix build with DEBUG_LEVEL < 1 2023-05-08 14:06:43 +02:00
Tobias Brunner 0351b5af3b key-exchange: Warn about costly operations in set_public_key() 2022-06-29 10:28:50 +02:00
Tobias Brunner 3bebf5bf8d proposal: Generalize KE methods 2022-06-29 10:28:50 +02:00
Andreas Steffen b7c167f972 Rename MODP_NONE to KE_NONE 2022-06-29 10:28:50 +02:00
Tobias Brunner 3af7c6db87 Rename diffie_hellman_t to key_exchange_t and change the interface etc.
This makes it more generic so we can use it for QSKE methods.
2022-06-29 10:28:50 +02:00
Tobias Brunner 19ef2aec15 Update copyright headers after acquisition by secunet 2022-06-28 10:22:56 +02:00
Tobias Brunner 5cf82de69a proposal: Demote AES-XCBC/CMAC PRFs in default proposal
These are rarely used, so strictly propose HMAC-based PRFs first.

References strongswan/strongswan#1026
References strongswan/strongswan#1044
2022-05-10 09:04:42 +02:00
Tobias Brunner 37dbc87960 crypto: Add new KDF type for IKEv2 PRFs 2022-04-14 19:02:56 +02:00
Tobias Brunner 7bde56a9bc crypto: Adapt kdf_t interface to support KDFs with fixed output length 2022-04-14 19:02:56 +02:00
Tobias Brunner f535f1ed53 crypto: Remove unused prf_plus_t 2022-04-14 19:02:56 +02:00
Tobias Brunner 02f7d63e52 crypto-factory: Use actual plugin name when testing during construction 2022-04-14 18:54:24 +02:00
Tobias Brunner 0c6baa8997 crypto-tester: Add facility to test KDFs 2022-04-14 18:54:24 +02:00
Tobias Brunner fbb0bdebe7 crypto-factory: Add constructor and methods to create KDFs
Using some arguments directly in the constructor will allow us to fall
back on other implementations.
2022-04-14 18:54:24 +02:00
Tobias Brunner 35ad267fce pkcs5: Rename kdf_t to avoid conflict 2022-04-14 18:54:24 +02:00
Tobias Brunner e93882c6a0 transform: Add private transform for KDFs 2022-04-14 18:54:24 +02:00
Tobias Brunner 40a09613d2 crypto: Add interface for key derivation functions 2022-04-14 18:54:24 +02:00
Tobias Brunner 963adc7637 xof: Fix typo in documentation for set_seed() 2022-02-17 16:34:56 +01:00
Martin Willi 956b25a4cc proposal: Add ESN transform to default ESP AEAD proposal
The commit mentioned below adds an AES-GCM default proposal for ESP. That
proposal does not include any ESN or non-ESN transform to indicate if
extended sequence numbers are supported.

A standards-compliant peer will include one or more ESN support transforms,
and will be unable to select this proposal due to a proposal mismatch.

Fix the default AES-GCM proposal by adding a NO_ESN algorithm. While ESN has
been supported in the Linux kernel for a while, having it in the default
proposal can be problematic with kernel-libipsec or on other platforms.

Fixes: c7bef954ee ("proposal: Add AES-GCM to the ESP default AEAD proposal")
Closes strongswan/strongswan#868
2022-02-01 13:06:42 +01:00
Andreas Steffen 695a04d146 openssl: Support of AES-CFB encryption 2021-12-06 12:52:37 +01:00
Tobias Brunner 8b2b5a647b proposal: Add aliases for AES-GCM/CCM without explicit ICV length
These are mapped to use the default, maximum ICV length of 16 bytes.
2021-02-12 14:35:23 +01:00
Tobias Brunner 85bde019d3 diffie-hellman: Classify x25519 and x448 as ECDH methods 2021-02-12 14:35:23 +01:00
Tobias Brunner 9514aa2dcc diffie-hellman: Add enum names that match proposal keywords 2021-02-12 14:35:23 +01:00
Tobias Brunner c7bef954ee proposal: Add AES-GCM to the ESP default AEAD proposal
References #3461.
2020-06-12 13:45:58 +02:00
Tobias Brunner e630f2d373 proposal: Add IKEv1 transform number on which a proposal is based 2020-03-06 10:31:30 +01:00
Josh Soref b3ab7a48cc Spelling fixes
* accumulating
* acquire
* alignment
* appropriate
* argument
* assign
* attribute
* authenticate
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* auxiliary
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Closes strongswan/strongswan#164.
2020-02-11 18:23:07 +01:00
Andreas Steffen 20f3d04b13 aesni: Added AES_ECB support 2019-11-28 17:03:08 +01:00
Andreas Steffen 11e9d2b8d1 drbg: The drbg instance owns the entropy rng 2019-11-28 09:55:56 +01:00
Tobias Brunner 07083788e5 proposal: Fix typos and clarify things in comments 2019-11-04 15:22:18 +01:00