summaryrefslogtreecommitdiffstats
path: root/crypto
Commit message (Collapse)AuthorAgeFilesLines
* crypto: api - Remove frontend argument from extsize/init_tfmHerbert Xu2009-07-143-10/+6
| | | | | | | As the extsize and init_tfm functions belong to the frontend the frontend argument is superfluous. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: cryptd - Use crypto_ahash_set_reqsizeHerbert Xu2009-07-141-2/+3
| | | | | | | This patch makes cryptd use crypto_ahash_set_reqsize to avoid accessing crypto_ahash directly. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: cryptd - Use shash algorithmsHerbert Xu2009-07-141-80/+84
| | | | | | | This patch changes cryptd to use shash algorithms instead of the legacy hash interface. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Export async functionsHerbert Xu2009-07-141-20/+22
| | | | | | | This patch exports the async functions so that they can be reused by cryptd when it switches over to using shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: hash - Remove legacy hash/digest implementaionHerbert Xu2009-07-143-34/+3
| | | | | | | | This patch removes the implementation of hash and digest now that no algorithms use them anymore. The interface though will remain until the users are converted across. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: authenc - Remove reference to crypto_hashHerbert Xu2009-07-141-5/+1
| | | | | | | Now that there are no more legacy hash implementations we can remove the reference to crypto_hash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: xcbc - Switch to shashHerbert Xu2009-07-141-148/+87
| | | | | | This patch converts the xcbc algorithm to the new shash type. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: hmac - Switch to shashHerbert Xu2009-07-141-157/+114
| | | | | | This patch changes hmac to the new shash interface. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Make descsize a run-time attributeHerbert Xu2009-07-141-11/+28
| | | | | | | This patch changes descsize to a run-time attribute so that implementations can change it in their init functions. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Move null setkey check to registration timeHerbert Xu2009-07-121-3/+8
| | | | | | | This patch moves the run-time null setkey check to shash_prepare_alg just like we did for finup/digest. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sha256_generic - Add export/import supportHerbert Xu2009-07-111-12/+25
| | | | | | | | This patch adds export/import support to sha256_generic. The exported type is defined by struct sha256_state, which is basically the entire descriptor state of sha256_generic. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sha256_generic - Use 64-bit counter like sha1Herbert Xu2009-07-111-35/+30
| | | | | | | This patch replaces the two 32-bit counter code in sha256_generic with the simpler 64-bit counter code from sha1. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sha1_generic - Add export/import supportHerbert Xu2009-07-111-16/+25
| | | | | | | | This patch adds export/import support to sha1_generic. The exported type is defined by struct sha1_state, which is basically the entire descriptor state of sha1_generic. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Move finup/digest null checks to registration timeHerbert Xu2009-07-111-4/+6
| | | | | | | This patch moves the run-time null finup/digest checks to the shash_prepare_alg function which is run at registration time. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Export/import hash state onlyHerbert Xu2009-07-111-11/+14
| | | | | | | | | | | | | This patch replaces the full descriptor export with an export of the partial hash state. This allows the use of a consistent export format across all implementations of a given algorithm. This is useful because a number of cases require the use of the partial hash state, e.g., PadLock can use the SHA1 hash state to get around the fact that it can only hash contiguous data chunks. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Fix crypto_drop_spawn crash on blank spawnsHerbert Xu2009-07-091-0/+3
| | | | | | | | | This patch allows crypto_drop_spawn to be called on spawns that have not been initialised or have failed initialisation. This fixes potential crashes during initialisation without adding special case code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Propagate reinit return valueHerbert Xu2009-07-081-1/+1
| | | | | | | This patch fixes crypto_shash_import to propagate the value returned by reinit. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Use finup in default digestHerbert Xu2009-07-081-2/+1
| | | | | | This patch simplifies the default digest function by using finup. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Add shash_register_instanceHerbert Xu2009-07-081-1/+25
| | | | | | | | This patch adds shash_register_instance so that shash instances can be registered without bypassing the shash checks applied to normal algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Add shash_attr_alg2 helperHerbert Xu2009-07-081-0/+10
| | | | | | | This patch adds the helper shash_attr_alg2 which locates a shash algorithm based on the information in the given attribute. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Add crypto_attr_alg2 helperHerbert Xu2009-07-083-12/+30
| | | | | | | | This patch adds the helper crypto_attr_alg2 which is similar to crypto_attr_alg but takes an extra frontend argument. This is intended to be used by new style algorithm types such as shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Add spawn supportHerbert Xu2009-07-081-0/+9
| | | | | | | This patch adds the functions needed to create and use shash spawns, i.e., to use shash algorithms in a template. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Add new style spawn supportHerbert Xu2009-07-081-3/+52
| | | | | | | | | This patch modifies the spawn infrastructure to support new style algorithms like shash. In particular, this means storing the frontend type in the spawn and using crypto_create_tfm to allocate the tfm. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: shash - Add shash_instanceHerbert Xu2009-07-081-0/+7
| | | | | | | | | This patch adds shash_instance and the associated alloc/free functions. This is meant to be an instance that with a shash algorithm under it. Note that the instance itself doesn't have to be shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Add crypto_alloc_instance2Herbert Xu2009-07-071-6/+31
| | | | | | | | | | | This patch adds a new argument to crypto_alloc_instance which sets aside some space before the instance for use by algorithms such as shash that place type-specific data before crypto_alg. For compatibility the function has been renamed so that existing users aren't affected. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Add new template create functionHerbert Xu2009-07-071-0/+5
| | | | | | | | | | | This patch introduces the template->create function intended to replace the existing alloc function. The intention is for create to handle the registration directly, whereas currently the caller of alloc has to handle the registration. This allows type-specific code to be run prior to registration. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: ansi_prng - alloc cipher just in initSebastian Andrzej Siewior2009-07-031-17/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As reported by Eric Sesterhenn the re-allocation of the cipher in reset leads to: |BUG: sleeping function called from invalid context at kernel/rwsem.c:21 |in_atomic(): 1, irqs_disabled(): 0, pid: 4926, name: modprobe |INFO: lockdep is turned off. |Pid: 4926, comm: modprobe Tainted: G M 2.6.31-rc1-22297-g5298976 #24 |Call Trace: | [<c011dd93>] __might_sleep+0xf9/0x101 | [<c0777aa0>] down_read+0x16/0x68 | [<c048bf04>] crypto_alg_lookup+0x16/0x34 | [<c048bf52>] crypto_larval_lookup+0x30/0xf9 | [<c048c038>] crypto_alg_mod_lookup+0x1d/0x62 | [<c048c13e>] crypto_alloc_base+0x1e/0x64 | [<c04bf991>] reset_prng_context+0xab/0x13f | [<c04e5cfc>] ? __spin_lock_init+0x27/0x51 | [<c04bfce1>] cprng_init+0x2a/0x42 | [<c048bb4c>] __crypto_alloc_tfm+0xfa/0x128 | [<c048c153>] crypto_alloc_base+0x33/0x64 | [<c04933c9>] alg_test_cprng+0x30/0x1f4 | [<c0493329>] alg_test+0x12f/0x19f | [<c0177f1f>] ? __alloc_pages_nodemask+0x14d/0x481 | [<d09219e2>] do_test+0xf9d/0x163f [tcrypt] | [<d0920de6>] do_test+0x3a1/0x163f [tcrypt] | [<d0926035>] tcrypt_mod_init+0x35/0x7c [tcrypt] | [<c010113c>] _stext+0x54/0x12c | [<d0926000>] ? tcrypt_mod_init+0x0/0x7c [tcrypt] | [<c01398a3>] ? up_read+0x16/0x2b | [<c0139fc4>] ? __blocking_notifier_call_chain+0x40/0x4c | [<c014ee8d>] sys_init_module+0xa9/0x1bf | [<c010292b>] sysenter_do_call+0x12/0x32 because a spin lock is held and crypto_alloc_base() may sleep. There is no reason to re-allocate the cipher, the state is resetted in ->setkey(). This patches makes the cipher allocation a one time thing and moves it to init. Reported-by: Eric Sesterhenn <eric.sesterhenn@lsexperts.de> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: ansi_prng - Use just a BH lockSebastian Andrzej Siewior2009-07-031-5/+4
| | | | | | | | | | | | The current code uses a mix of sping_lock() & spin_lock_irqsave(). This can lead to deadlock with the correct timming & cprng_get_random() + cprng_reset() sequence. I've converted them to bottom half locks since all three user grab just a BH lock so this runs probably in softirq :) Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: testmgr - Allow implementation-specific testsHerbert Xu2009-07-021-4/+13
| | | | | | | | This patch adds the support for testing specific implementations. This should only be used in very specific situations. Right now this means specific implementations of random number generators. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: skcipher - Change default sync geniv on SMP to eseqivHerbert Xu2009-06-251-1/+19
| | | | | | | | | | | | | | | | | As it stands we use chainiv for sync algorithms and eseqiv for async algorithms. However, when there is more than one CPU chainiv forces all processing to be serialised which is usually not what you want. Also, the added overhead of eseqiv isn't that great. Therefore this patch changes the default sync geniv on SMP machines to eseqiv. For the odd situation where the overhead is unacceptable then chainiv is still available as an option. Note that on UP machines chainiv is still preferred over eseqiv for sync algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: skcipher - Fix request for sync algorithmsHerbert Xu2009-06-251-1/+2
| | | | | | | | | | | When a sync givcipher algorithm is requested, if an async version of the same algorithm already exists, then we will loop forever without ever constructing the sync version based on a blkcipher. This is because we did not include the requested type/mask when getting a larval for the geniv algorithm that is to be constructed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: testmgr - Remove hash size checkHerbert Xu2009-06-241-4/+0
| | | | | | | Until hash test vectors grow longer than 256 bytes, the only purpose of the check is to generate a gcc warning. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: fips - Select CPRNGNeil Horman2009-06-211-0/+1
| | | | | | | | The ANSI CPRNG has no dependence on FIPS support. FIPS support however, requires the use of the CPRNG. Adjust that depedency relationship in Kconfig. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: tcrypt - Fix module return code when testing by nameHerbert Xu2009-06-191-1/+1
| | | | | | We should return 0/-ENOENT instead of 1/0 when testing by name. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: ansi_cprng - Do not select FIPSHerbert Xu2009-06-191-1/+0
| | | | | | The RNG should work with FIPS disabled. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: tcrypt - Test algorithms by nameSteffen Klassert2009-06-191-1/+14
| | | | | | | | | | This adds the 'alg' module parameter to be able to test an algorithm by name. If the algorithm type is not ad-hoc clear for a algorithm (e.g. pcrypt, cryptd) it is possilbe to set the algorithm type with the 'type' module parameter. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* random: Add optional continuous repetition test to entropy store based rngsNeil Horman2009-06-181-6/+1
| | | | | | | | | | | | | | | | FIPS-140 requires that all random number generators implement continuous self tests in which each extracted block of data is compared against the last block for repetition. The ansi_cprng implements such a test, but it would be nice if the hw rng's did the same thing. Obviously its not something thats always needed, but it seems like it would be a nice feature to have on occasion. I've written the below patch which allows individual entropy stores to be flagged as desiring a continuous test to be run on them as is extracted. By default this option is off, but is enabled in the event that fips mode is selected during bootup. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge commit 'linus/master' into HEADVegard Nossum2009-06-1510-233/+1149
|\ | | | | | | | | | | | | Conflicts: MAINTAINERS Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
| * crypto: api - Use formatting of module nameAlex Riesen2009-06-021-6/+3
| | | | | | | | | | | | | | | | Besdies, for the old code, gcc-4.3.3 produced this warning: "format not a string literal and no format arguments" Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Allow hash test vectors longer than a pageHerbert Xu2009-06-021-3/+8
| | | | | | | | | | | | | | | | | | | | | | As it stands we will each test hash vector both linearly and as a scatter list if applicable. This means that we cannot have vectors longer than a page, even with scatter lists. This patch fixes this by skipping test vectors with np != 0 when testing linearly. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Check all test vector lengthsHerbert Xu2009-06-021-0/+25
| | | | | | | | | | | | | | | | | | | | As we cannot guarantee the availability of contiguous pages at run-time, all test vectors must either fit within a page, or use scatter lists. In some cases vectors were not checked as to whether they fit inside a page. This patch adds all the missing checks. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: tcrypt - Do not exit on success in fips modeJarod Wilson2009-06-021-74/+90
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At present, the tcrypt module always exits with an -EAGAIN upon successfully completing all the tests its been asked to run. In fips mode, integrity checking is done by running all self-tests from the initrd, and its much simpler to check the ret from modprobe for success than to scrape dmesg and/or /proc/crypto. Simply stay loaded, giving modprobe a retval of 0, if self-tests all pass and we're in fips mode. A side-effect of tracking success/failure for fips mode is that in non-fips mode, self-test failures will return the actual failure return codes, rather than always returning -EAGAIN, which seems more correct anyway. The tcrypt_test() portion of the patch is dependent on my earlier pair of patches that skip non-fips algs in fips mode, at least to achieve the fully intended behavior. Nb: testing this patch against the cryptodev tree revealed a test failure for sha384, which I have yet to look into... Signed-off-by: Jarod Wilson <jarod@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}Geert Uytterhoeven2009-06-022-59/+82
| | | | | | | | | | | | | | | | | | If crypto_{,de}compress_{update,final}() succeed, return the actual number of bytes produced instead of zero, so their users don't have to calculate that theirselves. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Skip algs not flagged fips_allowed in fips modeJarod Wilson2009-06-021-0/+8
| | | | | | | | | | | | | | | | | | | | | | Because all fips-allowed algorithms must be self-tested before they can be used, they will all have entries in testmgr.c's alg_test_descs[]. Skip self-tests for any algs not flagged as fips_approved and return -EINVAL when in fips mode. Signed-off-by: Jarod Wilson <jarod@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Mark algs allowed in fips modeJarod Wilson2009-06-021-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Set the fips_allowed flag in testmgr.c's alg_test_descs[] for algs that are allowed to be used when in fips mode. One caveat: des isn't actually allowed anymore, but des (and thus also ecb(des)) has to be permitted, because disallowing them results in des3_ede being unable to properly register (see des module init func). Also, crc32 isn't technically on the fips approved list, but I think it gets used in various places that necessitate it being allowed. This list is based on http://csrc.nist.gov/groups/STM/cavp/index.html Important note: allowed/approved here does NOT mean "validated", just that its an alg that *could* be validated. Signed-off-by: Jarod Wilson <jarod@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Add ctr(aes) test vectorsJarod Wilson2009-06-023-7/+183
| | | | | | | | | | | | | | | | Now with multi-block test vectors, all from SP800-38A, Appendix F.5. Also added ctr(aes) to case 10 in tcrypt. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Dynamically allocate xbuf and axbufHerbert Xu2009-06-023-68/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We currently allocate temporary memory that is used for testing statically. This renders the testing engine non-reentrant. As algorithms may nest, i.e., one may construct another in order to carry out a part of its operation, this is unacceptable. For example, it has been reported that an AEAD implementation allocates a cipher in its setkey function, which causes it to fail during testing as the temporary memory is overwritten. This patch replaces the static memory with dynamically allocated buffers. We need a maximum of 16 pages so this slightly increases the chances of an algorithm failing due to memory shortage. However, as testing usually occurs at registration, this shouldn't be a big problem. Reported-by: Shasi Pulijala <spulijala@amcc.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Print self-test pass notices in fips modeJarod Wilson2009-06-021-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to our FIPS CAVS testing lab guru, when we're in fips mode, we must print out notices of successful self-test completion for every alg to be compliant. New and improved v2, without strncmp crap. Doesn't need to touch a flag though, due to not moving the notest label around anymore. Applies atop '[PATCH v2] crypto: catch base cipher self-test failures in fips mode'. Personally, I wouldn't mind seeing this info printed out regardless of whether or not we're in fips mode, I think its useful info, but will stick with only in fips mode for now. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Catch base cipher self-test failures in fips modeJarod Wilson2009-06-021-1/+3
| | | | | | | | | | Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - Add ansi_cprng test vectorsJarod Wilson2009-06-023-0/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add ANSI X9.31 Continuous Pseudo-Random Number Generator (AES mode), aka 'ansi_cprng' test vectors, taken from Appendix B.2.9 and B.2.10 of the NIST RNGVS document, found here: http://csrc.nist.gov/groups/STM/cavp/documents/rng/RNGVS.pdf Successfully tested against both the cryptodev-2.6 tree and a Red Hat Enterprise Linux 5.4 kernel, via 'modprobe tcrypt mode=150'. The selection of 150 was semi-arbitrary, didn't seem like it should go any place in particular, so I started a new range for rng tests. Signed-off-by: Jarod Wilson <jarod@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
OpenPOWER on IntegriCloud