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* crypto: Introduce SM3 hash hmac pbkdf algorithmliequan che2024-11-051-0/+1
| | | | | | | | | | | | | | Introduce the SM3 cryptographic hash algorithm (GB/T 32905-2016). SM3 (GB/T 32905-2016) is a cryptographic standard issued by the Organization of State Commercial Cryptography Administration (OSCCA) as an authorized cryptographic algorithm for use within China. Detect the SM3 cryptographic hash algorithm and enable the feature silently if it is available. Signed-off-by: cheliequan <cheliequan@inspur.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
* include/crypto: clarify @result/@result_len for hash/hmac APIsDaniel P. Berrangé2024-10-221-12/+35
| | | | | | | | | The @result parameter passed to hash/hmac APIs may either contain a pre-allocated buffer, or a buffer can be allocated on the fly. Clarify these two different usage models in the API docs. Reviewed-by: Dorjoy Chowdhury <dorjoychy111@gmail.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
* crypto: accumulative hashing APIAlejandro Zeise2024-10-101-0/+119
| | | | | | | | | | | | | | | | Changes the hash API to support accumulative hashing. Hash objects are created with "qcrypto_hash_new", updated with data with "qcrypto_hash_update", and the hash obtained with "qcrypto_hash_finalize". These changes bring the hashing API more in line with the hmac API. Signed-off-by: Alejandro Zeise <alejandro.zeise@seagate.com> [ clg: - Changed documentation "non-zero on error" -> "-1 on error" ] Signed-off-by: Cédric Le Goater <clg@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
* qapi/crypto: Rename QCryptoHashAlgorithm to *Algo, and drop prefixMarkus Armbruster2024-09-101-9/+9
| | | | | | | | | | | | | | | | | | | | | | | QAPI's 'prefix' feature can make the connection between enumeration type and its constants less than obvious. It's best used with restraint. QCryptoHashAlgorithm has a 'prefix' that overrides the generated enumeration constants' prefix to QCRYPTO_HASH_ALG. We could simply drop 'prefix', but then the prefix becomes QCRYPTO_HASH_ALGORITHM, which is rather long. We could additionally rename the type to QCryptoHashAlg, but I think the abbreviation "alg" is less than clear. Rename the type to QCryptoHashAlgo instead. The prefix becomes to QCRYPTO_HASH_ALGO. Signed-off-by: Markus Armbruster <armbru@redhat.com> Acked-by: Daniel P. Berrangé <berrange@redhat.com> Message-ID: <20240904111836.3273842-12-armbru@redhat.com> [Conflicts with merge commit 7bbadc60b58b resolved]
* crypto: Define macros for hash algorithm digest lengthsDorjoy Chowdhury2024-09-091-0/+8
| | | | | | Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dorjoy Chowdhury <dorjoychy111@gmail.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
* crypto: Fix LGPL information in the file headersThomas Huth2019-07-191-1/+1
| | | | | | | | | It's either "GNU *Library* General Public License version 2" or "GNU Lesser General Public License version *2.1*", but there was no "version 2.0" of the "Lesser" license. So assume that version 2.1 is meant here. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
* Include less of the generated modular QAPI headersMarkus Armbruster2018-03-021-1/+1
| | | | | | | | | | | | | | | | | | | | | In my "build everything" tree, a change to the types in qapi-schema.json triggers a recompile of about 4800 out of 5100 objects. The previous commit split up qmp-commands.h, qmp-event.h, qmp-visit.h, qapi-types.h. Each of these headers still includes all its shards. Reduce compile time by including just the shards we actually need. To illustrate the benefits: adding a type to qapi/migration.json now recompiles some 2300 instead of 4800 objects. The next commit will improve it further. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-24-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> [eblake: rebase to master] Signed-off-by: Eric Blake <eblake@redhat.com>
* Clean up ill-advised or unusual header guardsMarkus Armbruster2016-07-121-3/+3
| | | | | | | Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
* include/crypto: Include qapi-types.h or qemu/bswap.h instead of qemu-common.hMarkus Armbruster2016-03-221-1/+1
| | | | | | | | | | | | | | qemu-common.h should only be included by .c files. Its file comment explains why: "No header file should depend on qemu-common.h, as this would easily lead to circular header dependencies." Several include/crypto/ headers include qemu-common.h, but either need just qapi-types.h from it, or qemu/bswap.h, or nothing at all. Replace or drop the include accordingly. tests/test-crypto-secret.c now misses qemu/module.h, so include it there. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* include: Clean up includesPeter Maydell2016-02-231-1/+0
| | | | | | | | | | | | | | Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. NB: If this commit breaks compilation for your out-of-tree patchseries or fork, then you need to make sure you add #include "qemu/osdep.h" to any new .c files that you have. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com>
* crypto: fix description of @errp parameter initializationDaniel P. Berrange2016-02-011-6/+6
| | | | | | | The "Error **errp" parameters must be NULL initialized not uninitialized. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
* crypto: move QCryptoHashAlgorithm enum definition into QAPIDaniel P. Berrange2015-12-231-8/+1
| | | | | | | | | The QCryptoHashAlgorithm enum is defined in the crypto/hash.h header. In the future some QAPI types will want to reference the hash enums, so move the enum definition into QAPI too. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
* crypto: add ability to query hash digest lenDaniel P. Berrange2015-12-231-0/+11
| | | | | | | | Add a qcrypto_hash_digest_len() method which allows querying of the raw digest size for a given hash algorithm. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
* crypto: introduce new module for computing hash digestsDaniel P. Berrange2015-07-071-0/+189
Introduce a new crypto/ directory that will (eventually) contain all the cryptographic related code. This initially defines a wrapper for initializing gnutls and for computing hashes with gnutls. The former ensures that gnutls is guaranteed to be initialized exactly once in QEMU regardless of CLI args. The block quorum code currently fails to initialize gnutls so it only works by luck, if VNC server TLS is not requested. The hash APIs avoids the need to litter the rest of the code with preprocessor checks and simplifies callers by allocating the correct amount of memory for the requested hash. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1435770638-25715-2-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>