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* crypto: algapi - make crypto_xor() and crypto_inc() alignment agnosticArd Biesheuvel2017-02-111-2/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of unconditionally forcing 4 byte alignment for all generic chaining modes that rely on crypto_xor() or crypto_inc() (which may result in unnecessary copying of data when the underlying hardware can perform unaligned accesses efficiently), make those functions deal with unaligned input explicitly, but only if the Kconfig symbol HAVE_EFFICIENT_UNALIGNED_ACCESS is set. This will allow us to drop the alignmasks from the CBC, CMAC, CTR, CTS, PCBC and SEQIV drivers. For crypto_inc(), this simply involves making the 4-byte stride conditional on HAVE_EFFICIENT_UNALIGNED_ACCESS being set, given that it typically operates on 16 byte buffers. For crypto_xor(), an algorithm is implemented that simply runs through the input using the largest strides possible if unaligned accesses are allowed. If they are not, an optimal sequence of memory accesses is emitted that takes the relative alignment of the input buffers into account, e.g., if the relative misalignment of dst and src is 4 bytes, the entire xor operation will be completed using 4 byte loads and stores (modulo unaligned bits at the start and end). Note that all expressions involving misalign are simply eliminated by the compiler when HAVE_EFFICIENT_UNALIGNED_ACCESS is defined. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: doc - Fix hash export state informationRabin Vincent2017-02-031-6/+12
| | | | | | | | | The documentation states that crypto_ahash_reqsize() provides the size of the state structure used by crypto_ahash_export(). But it's actually crypto_ahash_statesize() which provides this size. Signed-off-by: Rabin Vincent <rabinv@axis.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: skcipher - introduce walksize attribute for SIMD algosArd Biesheuvel2016-12-302-1/+35
| | | | | | | | | | | | | | | | | | In some cases, SIMD algorithms can only perform optimally when allowed to operate on multiple input blocks in parallel. This is especially true for bit slicing algorithms, which typically take the same amount of time processing a single block or 8 blocks in parallel. However, other SIMD algorithms may benefit as well from bigger strides. So add a walksize attribute to the skcipher algorithm definition, and wire it up to the skcipher walk API. To avoid confusion between the skcipher and AEAD attributes, rename the skcipher_walk chunksize attribute to 'stride', and set it from the walksize (in the skcipher case) or from the chunksize (in the AEAD case). Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: chacha20 - convert generic and x86 versions to skcipherArd Biesheuvel2016-12-271-3/+3
| | | | | | | | | | | | | | | This converts the ChaCha20 code from a blkcipher to a skcipher, which is now the preferred way to implement symmetric block and stream ciphers. This ports the generic and x86 versions at the same time because the latter reuses routines of the former. Note that the skcipher_walk() API guarantees that all presented blocks except the final one are a multiple of the chunk size, so we can simplify the encrypt() routine somewhat. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge tag 'docs-4.10-2' of git://git.lwn.net/linuxLinus Torvalds2016-12-176-37/+150
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull more documentation updates from Jonathan Corbet: "This converts the crypto DocBook to Sphinx" * tag 'docs-4.10-2' of git://git.lwn.net/linux: crypto: doc - optimize compilation crypto: doc - clarify AEAD memory structure crypto: doc - remove crypto_alloc_ablkcipher crypto: doc - add KPP documentation crypto: doc - fix separation of cipher / req API crypto: doc - fix source comments for Sphinx crypto: doc - remove crypto API DocBook crypto: doc - convert crypto API documentation to Sphinx
| * crypto: doc - clarify AEAD memory structureStephan Mueller2016-12-131-24/+12
| | | | | | | | | | | | | | | | The previous description have been misleading and partially incorrect. Reported-by: Harsh Jain <harshjain.prof@gmail.com> Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * crypto: doc - add KPP documentationStephan Mueller2016-12-133-3/+128
| | | | | | | | | | | | | | | | | | | | Add the KPP API documentation to the kernel crypto API Sphinx documentation. This addition includes the documentation of the ECDH and DH helpers which are needed to create the approrpiate input data for the crypto_kpp_set_secret function. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * crypto: doc - fix source comments for SphinxStephan Mueller2016-12-133-10/+10
| | | | | | | | | | | | | | Update comments to avoid any complaints from Sphinx during compilation. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | crypto: skcipher - Add separate walker for AEAD decryptionHerbert Xu2016-12-011-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | The AEAD decrypt interface includes the authentication tag in req->cryptlen. Therefore we need to exlucde that when doing a walk over it. This patch adds separate walker functions for AEAD encryption and decryption. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Herbert Xu2016-11-301-0/+2
|\ \ | | | | | | | | | Merge the crypto tree to pull in chelsio chcr fix.
| * | crypto: drbg - prevent invalid SG mappingsStephan Mueller2016-11-301-0/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using SGs, only heap memory (memory that is valid as per virt_addr_valid) is allowed to be referenced. The CTR DRBG used to reference the caller-provided memory directly in an SG. In case the caller provided stack memory pointers, the SG mapping is not considered to be valid. In some cases, this would even cause a paging fault. The change adds a new scratch buffer that is used unconditionally to catch the cases where the caller-provided buffer is not suitable for use in an SG. The crypto operation of the CTR DRBG produces its output with that scratch buffer and finally copies the content of the scratch buffer to the caller's buffer. The scratch buffer is allocated during allocation time of the CTR DRBG as its access is protected with the DRBG mutex. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: cbc - Export CBC implementationHerbert Xu2016-11-281-0/+146
| | | | | | | | | | | | | | This patch moves the core CBC implementation into a header file so that it can be reused by drivers implementing CBC. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: simd - Add simd skcipher helperHerbert Xu2016-11-281-0/+17
| | | | | | | | | | | | | | | | | | This patch adds the simd skcipher helper which is meant to be a replacement for ablk helper. It replaces the underlying blkcipher interface with skcipher, and also presents the top-level algorithm as an skcipher. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: cryptd - Add support for skcipherHerbert Xu2016-11-281-1/+12
| | | | | | | | | | | | This patch adds skcipher support to cryptd alongside ablkcipher. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: xts - Convert to skcipherHerbert Xu2016-11-281-2/+24
| | | | | | | | | | | | | | | | | | | | This patch converts xts over to the skcipher interface. It also optimises the implementation to be based on ECB instead of the underlying cipher. For compatibility the existing naming scheme of xts(aes) is maintained as opposed to the more obvious one of xts(ecb(aes)). Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Add skcipher walk interfaceHerbert Xu2016-11-281-0/+47
| | | | | | | | | | | | | | | | This patch adds the skcipher walk interface which replaces both blkcipher walk and ablkcipher walk. Just like blkcipher walk it can also be used for AEAD algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: gf128mul - Zero memory when freeing multiplication tableAlex Cope2016-11-171-1/+1
| | | | | | | | | | | | | | | | | | GF(2^128) multiplication tables are typically used for secret information, so it's a good idea to zero them on free. Signed-off-by: Alex Cope <alexcope@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: gf128mul - remove dead gf128mul_64k_lle codeAlex Cope2016-11-131-7/+6
| | | | | | | | | | | | | | | | | | | | This code is unlikely to be useful in the future because transforms don't know how often keys will be changed, new algorithms are unlikely to use lle representation, and tables should be replaced with carryless multiplication instructions when available. Signed-off-by: Alex Cope <alexcope@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Get rid of crypto_spawn_skcipher2()Eric Biggers2016-11-011-6/+0
| | | | | | | | | | | | | | | | | | | | Since commit 3a01d0ee2b99 ("crypto: skcipher - Remove top-level givcipher interface"), crypto_spawn_skcipher2() and crypto_spawn_skcipher() are equivalent. So switch callers of crypto_spawn_skcipher2() to crypto_spawn_skcipher() and remove it. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Get rid of crypto_grab_skcipher2()Eric Biggers2016-11-011-6/+0
| | | | | | | | | | | | | | | | | | | | Since commit 3a01d0ee2b99 ("crypto: skcipher - Remove top-level givcipher interface"), crypto_grab_skcipher2() and crypto_grab_skcipher() are equivalent. So switch callers of crypto_grab_skcipher2() to crypto_grab_skcipher() and remove it. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: acomp - add driver-side scomp interfaceGiovanni Cabiddu2016-10-253-27/+166
| | | | | | | | | | | | | | | | Add a synchronous back-end (scomp) to acomp. This allows to easily expose the already present compression algorithms in LKCF via acomp. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: acomp - add asynchronous compression apiGiovanni Cabiddu2016-10-252-0/+347
| | | | | | | | | | | | | | | | Add acomp, an asynchronous compression api that uses scatterlist buffers. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: engine - Handle the kthread worker using the new APIPetr Mladek2016-10-251-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the new API to create and destroy the crypto engine kthread worker. The API hides some implementation details. In particular, kthread_create_worker() allocates and initializes struct kthread_worker. It runs the kthread the right way and stores task_struct into the worker structure. kthread_destroy_worker() flushes all pending works, stops the kthread and frees the structure. This patch does not change the existing behavior except for dynamically allocating struct kthread_worker and storing only the pointer of this structure. It is compile tested only because I did not find an easy way how to run the code. Well, it should be pretty safe given the nature of the change. Signed-off-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Remove unused crypto_lookup_skcipher() declarationEric Biggers2016-10-211-2/+0
|/ | | | | | | | | The definition of crypto_lookup_skcipher() was already removed in commit 3a01d0ee2b99 ("crypto: skcipher - Remove top-level givcipher interface"). So the declaration should be removed too. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Herbert Xu2016-10-101-0/+23
|\ | | | | | | Merge the crypto tree to pull in vmx ghash fix.
| * crypto: ghash-generic - move common definitions to a new header fileMarcelo Cerri2016-10-021-0/+23
| | | | | | | | | | | | | | | | | | | | Move common values and types used by ghash-generic to a new header file so drivers can directly use ghash-generic as a fallback implementation. Fixes: cc333cd68dfa ("crypto: vmx - Adding GHASH routines for VMX module") Cc: stable@vger.kernel.org Signed-off-by: Marcelo Cerri <marcelo.cerri@canonical.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: engine - permit to enqueue ashash_requestCorentin LABBE2016-09-071-16/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | The current crypto engine allow only ablkcipher_request to be enqueued. Thus denying any use of it for hardware that also handle hash algo. This patch modify the API for allowing to enqueue ciphers and hash. Since omap-aes/omap-des are the only users, this patch also convert them to the new cryptoengine API. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: engine - move crypto engine to its own headerCorentin LABBE2016-09-072-70/+90
|/ | | | | | | | This patch move the whole crypto engine API to its own header crypto/engine.h. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge tag 'random_for_linus' of ↵Linus Torvalds2016-07-271-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull random driver updates from Ted Ts'o: "A number of improvements for the /dev/random driver; the most important is the use of a ChaCha20-based CRNG for /dev/urandom, which is faster, more efficient, and easier to make scalable for silly/abusive userspace programs that want to read from /dev/urandom in a tight loop on NUMA systems. This set of patches also improves entropy gathering on VM's running on Microsoft Azure, and will take advantage of a hw random number generator (if present) to initialize the /dev/urandom pool" (It turns out that the random tree hadn't been in linux-next this time around, because it had been dropped earlier as being too quiet. Oh well). * tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: strengthen input validation for RNDADDTOENTCNT random: add backtracking protection to the CRNG random: make /dev/urandom scalable for silly userspace programs random: replace non-blocking pool with a Chacha20-based CRNG random: properly align get_random_int_hash random: add interrupt callback to VMBus IRQ handler random: print a warning for the first ten uninitialized random users random: initialize the non-blocking pool via add_hwgenerator_randomness()
| * random: replace non-blocking pool with a Chacha20-based CRNGTheodore Ts'o2016-07-031-0/+1
| | | | | | | | | | | | | | The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* | crypto: skcipher - Add comment for skcipher_alg->baseHerbert Xu2016-07-191-0/+1
| | | | | | | | | | | | | | | | This patch adds a missing comment for the base parameter in struct skcipher_alg. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: scatterwalk - Inline start/map/doneHerbert Xu2016-07-181-6/+40
| | | | | | | | | | | | | | | | This patch inlines the functions scatterwalk_start, scatterwalk_map and scatterwalk_done as they're all tiny and mostly used by the block cipher walker. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: api - Optimise away crypto_yield when hard preemption is onHerbert Xu2016-07-181-0/+2
| | | | | | | | | | | | | | When hard preemption is enabled there is no need to explicitly call crypto_yield. This patch eliminates it if that is the case. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: scatterwalk - Remove scatterwalk_bytes_sglenHerbert Xu2016-07-181-2/+0
| | | | | | | | | | | | | | This patch removes the now unused scatterwalk_bytes_sglen. Anyone using this out-of-tree should switch over to sg_nents_for_len. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Remove top-level givcipher interfaceHerbert Xu2016-07-182-127/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the old crypto_grab_skcipher helper and replaces it with crypto_grab_skcipher2. As this is the final entry point into givcipher this patch also removes all traces of the top-level givcipher interface, including all implicit IV generators such as chainiv. The bottom-level givcipher interface remains until the drivers using it are converted. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: null - Remove default null blkcipherHerbert Xu2016-07-181-3/+11
| | | | | | | | | | | | The default null blkcipher is no longer used and can now be removed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: aead - Remove blkcipher null for IV generatorsHerbert Xu2016-07-181-1/+0
| | | | | | | | | | | | The blkcipher null object is no longer used and can now be removed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: aead - Add skcipher null for IV generatorsHerbert Xu2016-07-181-0/+1
| | | | | | | | | | | | | | | | This patch adds an skcipher null object alongside the existing null blkcipher so that IV generators using it can switch over to skcipher. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: aead - Add chunk sizeHerbert Xu2016-07-182-5/+28
| | | | | | | | | | | | | | | | | | | | This patch adds a chunk size parameter to aead algorithms, just like the chunk size for skcipher algorithms. However, unlike skcipher we do not currently export this to AEAD users. It is only meant to be used by AEAD implementors for now. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: null - Add new default null skcipherHerbert Xu2016-07-181-0/+2
| | | | | | | | | | | | | | | | Current the default null skcipher is actually a crypto_blkcipher. This patch creates a synchronous crypto_skcipher version of the null cipher which unfortunately has to settle for the name skcipher2. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Add low-level skcipher interfaceHerbert Xu2016-07-182-0/+217
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allows skcipher algorithms and instances to be created and registered with the crypto API. They are accessible through the top-level skcipher interface, along with ablkcipher/blkcipher algorithms and instances. This patch also introduces a new parameter called chunk size which is meant for ciphers such as CTR and CTS which ostensibly can handle arbitrary lengths, but still behave like block ciphers in that you can only process a partial block at the very end. For these ciphers the block size will continue to be set to 1 as it is now while the chunk size will be set to the underlying block size. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: rsa - Store rest of the private key componentsSalvatore Benedetto2016-07-051-0/+20
| | | | | | | | | | | | | | | | When parsing a private key, store all non-optional fields. These are required for enabling CRT mode for decrypt and verify Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: api - Add crypto_inst_setnameHerbert Xu2016-07-011-0/+2
| | | | | | | | | | | | | | | | This patch adds the helper crypto_inst_setname because the current helper crypto_alloc_instance2 is no longer useful given that we now look up the algorithm after we allocate the instance object. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: ecdh - Add ECDH software supportSalvatore Benedetto2016-06-232-0/+31
| | | | | | | | | | | | | | | | | | | | * Implement ECDH under kpp API * Provide ECC software support for curve P-192 and P-256. * Add kpp test for ECDH with data generated by OpenSSL Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: dh - Add DH software implementationSalvatore Benedetto2016-06-232-0/+30
| | | | | | | | | | | | | | | | * Implement MPI based Diffie-Hellman under kpp API * Test provided uses data generad by OpenSSL Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: kpp - Key-agreement Protocol Primitives API (KPP)Salvatore Benedetto2016-06-232-0/+392
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add key-agreement protocol primitives (kpp) API which allows to implement primitives required by protocols such as DH and ECDH. The API is composed mainly by the following functions * set_secret() - It allows the user to set his secret, also referred to as his private key, along with the parameters known to both parties involved in the key-agreement session. * generate_public_key() - It generates the public key to be sent to the other counterpart involved in the key-agreement session. The function has to be called after set_params() and set_secret() * generate_secret() - It generates the shared secret for the session Other functions such as init() and exit() are provided for allowing cryptographic hardware to be inizialized properly before use Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: sha1-mb - async implementation for sha1-mbMegha Dey2016-06-232-12/+8
| | | | | | | | | | | | | | | | | | | | | | | | Herbert wants the sha1-mb algorithm to have an async implementation: https://lkml.org/lkml/2016/4/5/286. Currently, sha1-mb uses an async interface for the outer algorithm and a sync interface for the inner algorithm. This patch introduces a async interface for even the inner algorithm. Signed-off-by: Megha Dey <megha.dey@linux.intel.com> Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: cryptd - Add helpers to check whether a tfm is queuedHerbert Xu2016-06-231-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds helpers to check whether a given tfm is currently queued. This is meant to be used by ablk_helper and similar entities to ensure that no reordering is introduced because of requests queued in cryptd with respect to requests being processed in softirq context. The per-cpu queue length limit is also increased to 1000 in line with network limits. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: sha3 - Add SHA-3 hash algorithmJeff Garzik2016-06-201-0/+29
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds the implementation of SHA3 algorithm in software and it's based on original implementation pushed in patch https://lwn.net/Articles/518415/ with additional changes to match the padding rules specified in SHA-3 specification. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: rsa - return raw integers for the ASN.1 parserTudor Ambarus2016-06-151-6/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Return the raw key with no other processing so that the caller can copy it or MPI parse it, etc. The scope is to have only one ANS.1 parser for all RSA implementations. Update the RSA software implementation so that it does the MPI conversion on top. Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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