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* Merge branch 'next' of ↵Linus Torvalds2016-05-192-24/+15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "Highlights: - A new LSM, "LoadPin", from Kees Cook is added, which allows forcing of modules and firmware to be loaded from a specific device (this is from ChromeOS, where the device as a whole is verified cryptographically via dm-verity). This is disabled by default but can be configured to be enabled by default (don't do this if you don't know what you're doing). - Keys: allow authentication data to be stored in an asymmetric key. Lots of general fixes and updates. - SELinux: add restrictions for loading of kernel modules via finit_module(). Distinguish non-init user namespace capability checks. Apply execstack check on thread stacks" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (48 commits) LSM: LoadPin: provide enablement CONFIG Yama: use atomic allocations when reporting seccomp: Fix comment typo ima: add support for creating files using the mknodat syscall ima: fix ima_inode_post_setattr vfs: forbid write access when reading a file into memory fs: fix over-zealous use of "const" selinux: apply execstack check on thread stacks selinux: distinguish non-init user namespace capability checks LSM: LoadPin for kernel file loading restrictions fs: define a string representation of the kernel_read_file_id enumeration Yama: consolidate error reporting string_helpers: add kstrdup_quotable_file string_helpers: add kstrdup_quotable_cmdline string_helpers: add kstrdup_quotable selinux: check ss_initialized before revalidating an inode label selinux: delay inode label lookup as long as possible selinux: don't revalidate an inode's label when explicitly setting it selinux: Change bool variable name to index. KEYS: Add KEYCTL_DH_COMPUTE command ...
| * KEYS: Move the point of trust determination to __key_link()David Howells2016-04-111-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the point at which a key is determined to be trustworthy to __key_link() so that we use the contents of the keyring being linked in to to determine whether the key being linked in is trusted or not. What is 'trusted' then becomes a matter of what's in the keyring. Currently, the test is done when the key is parsed, but given that at that point we can only sensibly refer to the contents of the system trusted keyring, we can only use that as the basis for working out the trustworthiness of a new key. With this change, a trusted keyring is a set of keys that once the trusted-only flag is set cannot be added to except by verification through one of the contained keys. Further, adding a key into a trusted keyring, whilst it might grant trustworthiness in the context of that keyring, does not automatically grant trustworthiness in the context of a second keyring to which it could be secondarily linked. To accomplish this, the authentication data associated with the key source must now be retained. For an X.509 cert, this means the contents of the AuthorityKeyIdentifier and the signature data. If system keyrings are disabled then restrict_link_by_builtin_trusted() resolves to restrict_link_reject(). The integrity digital signature code still works correctly with this as it was previously using KEY_FLAG_TRUSTED_ONLY, which doesn't permit anything to be added if there is no system keyring against which trust can be determined. Signed-off-by: David Howells <dhowells@redhat.com>
| * KEYS: Move x509_request_asymmetric_key() to asymmetric_type.cDavid Howells2016-04-111-6/+0
| | | | | | | | | | | | | | Move x509_request_asymmetric_key() to asymmetric_type.c so that it can be generalised. Signed-off-by: David Howells <dhowells@redhat.com>
| * PKCS#7: Make trust determination dependent on contents of trust keyringDavid Howells2016-04-061-2/+1
| | | | | | | | | | | | | | | | | | | | | | Make the determination of the trustworthiness of a key dependent on whether a key that can verify it is present in the supplied ring of trusted keys rather than whether or not the verifying key has KEY_FLAG_TRUSTED set. verify_pkcs7_signature() will return -ENOKEY if the PKCS#7 message trust chain cannot be verified. Signed-off-by: David Howells <dhowells@redhat.com>
| * KEYS: Generalise system_verify_data() to provide access to internal contentDavid Howells2016-04-062-15/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Generalise system_verify_data() to provide access to internal content through a callback. This allows all the PKCS#7 stuff to be hidden inside this function and removed from the PE file parser and the PKCS#7 test key. If external content is not required, NULL should be passed as data to the function. If the callback is not required, that can be set to NULL. The function is now called verify_pkcs7_signature() to contrast with verify_pefile_signature() and the definitions of both have been moved into linux/verification.h along with the key_being_used_for enum. Signed-off-by: David Howells <dhowells@redhat.com>
| * KEYS: Add identifier pointers to public_key_signature structDavid Howells2016-04-061-0/+1
| | | | | | | | | | | | | | | | Add key identifier pointers to public_key_signature struct so that they can be used to retain the identifier of the key to be used to verify the signature in both PKCS#7 and X.509. Signed-off-by: David Howells <dhowells@redhat.com>
| * KEYS: Allow authentication data to be stored in an asymmetric keyDavid Howells2016-04-061-1/+4
| | | | | | | | | | | | | | | | | | Allow authentication data to be stored in an asymmetric key in the 4th element of the key payload and provide a way for it to be destroyed. For the public key subtype, this will be a public_key_signature struct. Signed-off-by: David Howells <dhowells@redhat.com>
* | crypto: doc - document correct return value for request allocationEric Biggers2016-04-153-6/+3
|/ | | | | Signed-off-by: Eric Biggers <ebiggers3@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge branch 'next' of ↵Linus Torvalds2016-03-171-63/+13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security layer updates from James Morris: "There are a bunch of fixes to the TPM, IMA, and Keys code, with minor fixes scattered across the subsystem. IMA now requires signed policy, and that policy is also now measured and appraised" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (67 commits) X.509: Make algo identifiers text instead of enum akcipher: Move the RSA DER encoding check to the crypto layer crypto: Add hash param to pkcs1pad sign-file: fix build with CMS support disabled MAINTAINERS: update tpmdd urls MODSIGN: linux/string.h should be #included to get memcpy() certs: Fix misaligned data in extra certificate list X.509: Handle midnight alternative notation in GeneralizedTime X.509: Support leap seconds Handle ISO 8601 leap seconds and encodings of midnight in mktime64() X.509: Fix leap year handling again PKCS#7: fix unitialized boolean 'want' firmware: change kernel read fail to dev_dbg() KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert KEYS: Reserve an extra certificate symbol for inserting without recompiling modsign: hide openssl output in silent builds tpm_tis: fix build warning with tpm_tis_resume ima: require signed IMA policy ima: measure and appraise the IMA policy itself ima: load policy using path ...
| * X.509: Make algo identifiers text instead of enumDavid Howells2016-03-031-26/+4
| | | | | | | | | | | | | | | | Make the identifier public key and digest algorithm fields text instead of enum. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
| * akcipher: Move the RSA DER encoding check to the crypto layerDavid Howells2016-03-031-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the RSA EMSA-PKCS1-v1_5 encoding from the asymmetric-key public_key subtype to the rsa crypto module's pkcs1pad template. This means that the public_key subtype no longer has any dependencies on public key type. To make this work, the following changes have been made: (1) The rsa pkcs1pad template is now used for RSA keys. This strips off the padding and returns just the message hash. (2) In a previous patch, the pkcs1pad template gained an optional second parameter that, if given, specifies the hash used. We now give this, and pkcs1pad checks the encoded message E(M) for the EMSA-PKCS1-v1_5 encoding and verifies that the correct digest OID is present. (3) The crypto driver in crypto/asymmetric_keys/rsa.c is now reduced to something that doesn't care about what the encryption actually does and and has been merged into public_key.c. (4) CONFIG_PUBLIC_KEY_ALGO_RSA is gone. Module signing must set CONFIG_CRYPTO_RSA=y instead. Thoughts: (*) Should the encoding style (eg. raw, EMSA-PKCS1-v1_5) also be passed to the padding template? Should there be multiple padding templates registered that share most of the code? Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: public_key: remove MPIs from public_key_signature structTadeusz Struk2016-02-181-13/+1
| | | | | | | | | | | | | | | | | | After digsig_asymmetric.c is converted the MPIs can be now safely removed from the public_key_signature structure. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David Howells <dhowells@redhat.com>
| * crypto: KEYS: convert public key and digsig asym to the akcipher apiTadeusz Struk2016-02-101-24/+10
| | | | | | | | | | | | | | | | This patch converts the module verification code to the new akcipher API. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David Howells <dhowells@redhat.com>
* | crypto: doc - update AEAD AD handlingStephan Mueller2016-02-161-3/+3
| | | | | | | | | | | | | | | | The associated data handling with the kernel crypto API has been updated. This needs to be reflected in the documentation. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: doc - add akcipher APIStephan Mueller2016-02-161-14/+14
| | | | | | | | | | | | | | | | | | | | Reference the new akcipher API calls in the kernel crypto API DocBook. Also, fix the comments in the akcipher.h file: double dashes do not look good in the DocBook; fix a typo. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: xts - consolidate sanity check for keysStephan Mueller2016-02-161-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch centralizes the XTS key check logic into the service function xts_check_key which is invoked from the different XTS implementations. With this, the XTS implementations in ARM, ARM64, PPC and S390 have now a sanity check for the XTS keys similar to the other arches. In addition, this service function received a check to ensure that the key != the tweak key which is mandated by FIPS 140-2 IG A.9. As the check is not present in the standards defining XTS, it is only enforced in FIPS mode of the kernel. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: keys - Revert "convert public key to akcipher api"Herbert Xu2016-02-091-11/+37
| | | | | | | | | | | | | | This needs to go through the security tree so I'm reverting the patches for now. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: public_key - remove MPIs from public_key_signature structTadeusz Struk2016-02-061-13/+1
| | | | | | | | | | | | | | | | After digsig_asymmetric.c is converted the MPIs can be now safely removed from the public_key_signature structure. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: asymmetric_keys - convert public key and digsig asym to the akcipher apiTadeusz Struk2016-02-061-24/+10
| | | | | | | | | | | | | | This patch converts the module verification code to the new akcipher API. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: aead - move aead_request_cast helper to aead.hTadeusz Struk2016-02-061-0/+6
| | | | | | | | | | | | | | | | | | | | | | Move the helper function to common header for everybody to use. changes in v2: - move the helper to crypto/internal/aead.h instead of crypto/aead.h Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: hash - Remove crypto_hash interfaceHerbert Xu2016-02-062-21/+0
| | | | | | | | | | | | | | This patch removes all traces of the crypto_hash interface, now that everyone has switched over to shash or ahash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: hash - Add helpers to return alg and driver namesHerbert Xu2016-02-061-0/+20
| | | | | | | | | | | | | | This patch adds helpers to retrieve the alg name and driver name of crypto_shash and crypto_ahash objects. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Fix driver name helperHerbert Xu2016-02-061-1/+1
| | | | | | | | | | | | | | The helper crypto_skcipher_driver_name was returning the alg name and not the driver name. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: engine - Introduce the block request crypto engine frameworkBaolin Wang2016-02-011-0/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now block cipher engines need to implement and maintain their own queue/thread for processing requests, moreover currently helpers provided for only the queue itself (in crypto_enqueue_request() and crypto_dequeue_request()) but they don't help with the mechanics of driving the hardware (things like running the request immediately, DMA map it or providing a thread to process the queue in) even though a lot of that code really shouldn't vary that much from device to device. Thus this patch provides a mechanism for pushing requests to the hardware as it becomes free that drivers could use. And this framework is patterned on the SPI code and has worked out well there. (https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ drivers/spi/spi.c?id=ffbbdd21329f3e15eeca6df2d4bc11c04d9d91c0) Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: api - Introduce crypto_queue_len() helper functionBaolin Wang2016-02-011-0/+4
| | | | | | | | | | | | | | | | This patch introduces crypto_queue_len() helper function to help to get the queue length in the crypto queue list now. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: compress - remove unused pcomp interfaceJoonsoo Kim2016-01-272-173/+0
| | | | | | | | | | | | | | It is unused now, so remove it. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Add helper to retrieve driver nameHerbert Xu2016-01-271-0/+6
| | | | | | | | | | | | | | | | This patch adds the helper crypto_skcipher_driver_name which returns the driver name of the alg object for a given tfm. This is needed by ecryptfs. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: hash - Add crypto_has_ahash helperHerbert Xu2016-01-251-0/+12
| | | | | | | | | | | | | | This patch adds the helper crypto_has_ahash which should replace crypto_has_hash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Add helper to zero stack requestHerbert Xu2016-01-251-0/+7
| | | | | | | | | | | | | | | | As the size of an skcipher_request is variable, it's awkward to zero it explicitly. This patch adds a helper to do that which should be used when it is created on the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: hash - Add helpers to zero stack request/descriptorHerbert Xu2016-01-251-0/+13
| | | | | | | | | | | | | | | | As the size of an ahash_request or shash_desc is variable, it's awkward to zero them explicitly. This patch adds helpers to do that which should be used when they are created on the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: drbg - remove FIPS 140-2 continuous testStephan Mueller2016-01-251-4/+0
| | | | | | | | | | | | | | | | | | | | | | The newly released FIPS 140-2 IG 9.8 specifies that for SP800-90A compliant DRBGs, the FIPS 140-2 continuous random number generator test is not required any more. This patch removes the test and all associated data structures. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: skcipher - Add default key size helperHerbert Xu2016-01-251-3/+8
|/ | | | | | | | | | While converting ecryptfs over to skcipher I found that it needs to pick a default key size if one isn't given. Rather than having it poke into the guts of the algorithm to get max_keysize, let's provide a helper that is meant to give a sane default (just in case we ever get an algorithm that has no maximum key size). Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge branch 'linus' of ↵Linus Torvalds2016-01-223-5/+19
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: "This fixes the following issues: API: - A large number of bug fixes for the af_alg interface, credit goes to Dmitry Vyukov for discovering and reporting these issues. Algorithms: - sw842 needs to select crc32. - The soft dependency on crc32c is now in the correct spot. Drivers: - The atmel AES driver needs HAS_DMA. - The atmel AES driver was a missing break statement, fortunately it's only a debug function. - A number of bug fixes for the Intel qat driver" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (24 commits) crypto: algif_skcipher - sendmsg SG marking is off by one crypto: crc32c - Fix crc32c soft dependency crypto: algif_skcipher - Load TX SG list after waiting crypto: atmel-aes - Add missing break to atmel_aes_reg_name crypto: algif_skcipher - Fix race condition in skcipher_check_key crypto: algif_hash - Fix race condition in hash_check_key crypto: CRYPTO_DEV_ATMEL_AES should depend on HAS_DMA lib: sw842: select crc32 crypto: af_alg - Forbid bind(2) when nokey child sockets are present crypto: algif_skcipher - Remove custom release parent function crypto: algif_hash - Remove custom release parent function crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path crypto: qat - update init_esram for C3xxx dev type crypto: qat - fix timeout issues crypto: qat - remove to call get_sram_bar_id for qat_c3xxx crypto: algif_skcipher - Add key check exception for cipher_null crypto: skcipher - Add crypto_skcipher_has_setkey crypto: algif_hash - Require setkey before accept(2) crypto: hash - Add crypto_ahash_has_setkey crypto: algif_skcipher - Add nokey compatibility path ...
| * crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey pathHerbert Xu2016-01-181-0/+1
| | | | | | | | | | | | | | | | This patch allows af_alg_release_parent to be called even for nokey sockets. Cc: stable@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: skcipher - Add crypto_skcipher_has_setkeyHerbert Xu2016-01-181-0/+7
| | | | | | | | | | | | | | | | This patch adds a way for skcipher users to determine whether a key is required by a transform. Cc: stable@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: hash - Add crypto_ahash_has_setkeyHerbert Xu2016-01-181-0/+6
| | | | | | | | | | | | | | | | This patch adds a way for ahash users to determine whether a key is required by a crypto_ahash transform. Cc: stable@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: af_alg - Add nokey compatibility pathHerbert Xu2016-01-181-0/+2
| | | | | | | | | | | | | | | | This patch adds a compatibility path to support old applications that do acept(2) before setkey. Cc: stable@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: af_alg - Disallow bind/setkey/... after accept(2)Herbert Xu2016-01-181-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each af_alg parent socket obtained by socket(2) corresponds to a tfm object once bind(2) has succeeded. An accept(2) call on that parent socket creates a context which then uses the tfm object. Therefore as long as any child sockets created by accept(2) exist the parent socket must not be modified or freed. This patch guarantees this by using locks and a reference count on the parent socket. Any attempt to modify the parent socket will fail with EBUSY. Cc: stable@vger.kernel.org Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | Merge branch 'for-linus' of ↵Linus Torvalds2016-01-181-0/+3
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: - EVM gains support for loading an x509 cert from the kernel (EVM_LOAD_X509), into the EVM trusted kernel keyring. - Smack implements 'file receive' process-based permission checking for sockets, rather than just depending on inode checks. - Misc enhancments for TPM & TPM2. - Cleanups and bugfixes for SELinux, Keys, and IMA. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (41 commits) selinux: Inode label revalidation performance fix KEYS: refcount bug fix ima: ima_write_policy() limit locking IMA: policy can be updated zero times selinux: rate-limit netlink message warnings in selinux_nlmsg_perm() selinux: export validatetrans decisions gfs2: Invalid security labels of inodes when they go invalid selinux: Revalidate invalid inode security labels security: Add hook to invalidate inode security labels selinux: Add accessor functions for inode->i_security security: Make inode argument of inode_getsecid non-const security: Make inode argument of inode_getsecurity non-const selinux: Remove unused variable in selinux_inode_init_security keys, trusted: seal with a TPM2 authorization policy keys, trusted: select hash algorithm for TPM2 chips keys, trusted: fix: *do not* allow duplicate key options tpm_ibmvtpm: properly handle interrupted packet receptions tpm_tis: Tighten IRQ auto-probing tpm_tis: Refactor the interrupt setup tpm_tis: Get rid of the duplicate IRQ probing code ...
| * keys, trusted: select hash algorithm for TPM2 chipsJarkko Sakkinen2015-12-201-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added 'hash=' option for selecting the hash algorithm for add_key() syscall and documentation for it. Added entry for sm3-256 to the following tables in order to support TPM_ALG_SM3_256: * hash_algo_name * hash_digest_size Includes support for the following hash algorithms: * sha1 * sha256 * sha384 * sha512 * sm3-256 Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: James Morris <james.l.morris@oracle.com> Reviewed-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Acked-by: Peter Huewe <peterhuewe@gmx.de>
* | crypto: hash - add zero length message hash for shax and md5LABBE Corentin2015-12-222-0/+8
| | | | | | | | | | | | | | | | | | | | Some crypto drivers cannot process empty data message and return a precalculated hash for md5/sha1/sha224/sha256. This patch add thoses precalculated hash in include/crypto. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: akcipher - fix typos in include/crypto/akcipher.hLABBE Corentin2015-12-111-5/+5
| | | | | | | | | | | | | | Fix numerous spelling error in include/crypto/akcipher.h Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: rsa - RSA padding algorithmAndrzej Zaborowski2015-12-091-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds PKCS#1 v1.5 standard RSA padding as a separate template. This way an RSA cipher with padding can be obtained by instantiating "pkcs1pad(rsa)". The reason for adding this is that RSA is almost never used without this padding (or OAEP) so it will be needed for either certificate work in the kernel or the userspace, and I also hear that it is likely implemented by hardware RSA in which case hardware implementations of the whole of pkcs1pad(rsa) can be provided. Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: akcipher - add akcipher declarations needed by templates.Andrzej Zaborowski2015-12-091-0/+78
| | | | | | | | | | | | | | | | | | | | Add a struct akcipher_instance and struct akcipher_spawn similar to how AEAD declares them and the macros for converting to/from crypto_instance/crypto_spawn. Also add register functions to avoid exposing crypto_akcipher_type. Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: aead - fix kernel-doc warnings in crypto/aead.hRandy Dunlap2015-12-091-0/+1
|/ | | | | | | | | Fix 21 occurrences of this kernel-doc warning in <crypto/aead.h>: ..//include/crypto/aead.h:149: warning: No description found for parameter 'base' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge branch 'next' of ↵Linus Torvalds2015-11-061-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem update from James Morris: "This is mostly maintenance updates across the subsystem, with a notable update for TPM 2.0, and addition of Jarkko Sakkinen as a maintainer of that" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (40 commits) apparmor: clarify CRYPTO dependency selinux: Use a kmem_cache for allocation struct file_security_struct selinux: ioctl_has_perm should be static selinux: use sprintf return value selinux: use kstrdup() in security_get_bools() selinux: use kmemdup in security_sid_to_context_core() selinux: remove pointless cast in selinux_inode_setsecurity() selinux: introduce security_context_str_to_sid selinux: do not check open perm on ftruncate call selinux: change CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE default KEYS: Merge the type-specific data with the payload data KEYS: Provide a script to extract a module signature KEYS: Provide a script to extract the sys cert list from a vmlinux file keys: Be more consistent in selection of union members used certs: add .gitignore to stop git nagging about x509_certificate_list KEYS: use kvfree() in add_key Smack: limited capability for changing process label TPM: remove unnecessary little endian conversion vTPM: support little endian guests char: Drop owner assignment from i2c_driver ...
| * KEYS: Merge the type-specific data with the payload dataDavid Howells2015-10-211-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge the type-specific data with the payload data into one four-word chunk as it seems pointless to keep them separate. Use user_key_payload() for accessing the payloads of overloaded user-defined keys. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-cifs@vger.kernel.org cc: ecryptfs@vger.kernel.org cc: linux-ext4@vger.kernel.org cc: linux-f2fs-devel@lists.sourceforge.net cc: linux-nfs@vger.kernel.org cc: ceph-devel@vger.kernel.org cc: linux-ima-devel@lists.sourceforge.net
* | crypto: ahash - Add crypto_ahash_blocksizeHerbert Xu2015-10-201-0/+14
| | | | | | | | | | | | | | This patch adds the missing helper crypto_ahash_blocksize which returns the block size of an ahash algorithm. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | crypto: akcipher - Changes to asymmetric key APITadeusz Struk2015-10-142-24/+73
|/ | | | | | | | | | Setkey function has been split into set_priv_key and set_pub_key. Akcipher requests takes sgl for src and dst instead of void *. Users of the API i.e. two existing RSA implementation and test mgr code have been updated accordingly. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge branch 'next' of ↵Linus Torvalds2015-09-082-2/+29
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "Highlights: - PKCS#7 support added to support signed kexec, also utilized for module signing. See comments in 3f1e1bea. ** NOTE: this requires linking against the OpenSSL library, which must be installed, e.g. the openssl-devel on Fedora ** - Smack - add IPv6 host labeling; ignore labels on kernel threads - support smack labeling mounts which use binary mount data - SELinux: - add ioctl whitelisting (see http://kernsec.org/files/lss2015/vanderstoep.pdf) - fix mprotect PROT_EXEC regression caused by mm change - Seccomp: - add ptrace options for suspend/resume" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (57 commits) PKCS#7: Add OIDs for sha224, sha284 and sha512 hash algos and use them Documentation/Changes: Now need OpenSSL devel packages for module signing scripts: add extract-cert and sign-file to .gitignore modsign: Handle signing key in source tree modsign: Use if_changed rule for extracting cert from module signing key Move certificate handling to its own directory sign-file: Fix warning about BIO_reset() return value PKCS#7: Add MODULE_LICENSE() to test module Smack - Fix build error with bringup unconfigured sign-file: Document dependency on OpenSSL devel libraries PKCS#7: Appropriately restrict authenticated attributes and content type KEYS: Add a name for PKEY_ID_PKCS7 PKCS#7: Improve and export the X.509 ASN.1 time object decoder modsign: Use extract-cert to process CONFIG_SYSTEM_TRUSTED_KEYS extract-cert: Cope with multiple X.509 certificates in a single file sign-file: Generate CMS message as signature instead of PKCS#7 PKCS#7: Support CMS messages also [RFC5652] X.509: Change recorded SKID & AKID to not include Subject or Issuer PKCS#7: Check content type and versions MAINTAINERS: The keyrings mailing list has moved ...
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