| Commit message (Collapse) | Author | Age | Files | Lines |
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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>
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This patch adds the helper shash_instance_ctx which is the shash
analogue of crypto_instance_ctx.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes crypto_shash_import to propagate the value returned
by reinit.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch simplifies the default digest function by using finup.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds __crypto_shash_cast which turns a crypto_tfm
into crypto_shash. It's analogous to the other __crypto_*_cast
functions.
It hasn't been needed until now since no existing shash algorithms
have had an init function.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds crypto_shash_ctx_aligned which will be needed
by hmac after its conversion to shash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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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>
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When the aes-intel module is loaded on a system that does not have the
AES instructions, it prints
Intel AES-NI instructions are not detected.
at level KERN_ERR. Since aes-intel is aliased to "aes" it will be tried
whenever anything uses AES and spam the console. This doesn't match
existing practice for how to handle "no hardware" when initializing a
module, so downgrade the message to KERN_INFO.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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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>
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We should return 0/-ENOENT instead of 1/0 when testing by name.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The RNG should work with FIPS disabled.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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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>
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Just started running fips cavs test vectors through an s390x system
for giggles, and discovered that I missed patching s390's arch-specific
des3 implementation w/an earlier des3 patch to permit weak keys.
This change adds the same flag tweaks as
ad79cdd77fc1466e45cf923890f66bcfe7c43f12 (crypto: des3_ede - permit
weak keys unless REQ_WEAK_KEY set) for s390's des3 implementation,
yields expected test results now.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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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>
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kernel_fpu_begin/end used preempt_disable/enable, so sleep should be
prevented between kernel_fpu_begin/end.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Because AES-NI instructions will touch XMM state, corresponding code
must be enclosed within kernel_fpu_begin/end, which used
preempt_disable/enable. So sleep should be prevented between
kernel_fpu_begin/end.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Original implementation of aesni_cbc_dec do not save IV if input
length % 4 == 0. This will make decryption of next block failed.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Extend previous workarounds for the prefetch bug to cover CBC mode,
clean up the code a bit.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Acked-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The VIA Nano processor has a bug that makes it prefetch extra data
during encryption operations, causing spurious page faults. Extend
existing workarounds for ECB mode to copy the data to an temporary
buffer to avoid the problem.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Acked-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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ia64 was assigning resources to root busses after allocations had
been made for child busses. Calling pcibios_setup_root_windows() from
pcibios_fixup_bus() solves this problem by assigning the resources to
the root bus before child busses are scanned.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Tested-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Instead of open-coding pci_find_parent_resource and request_resource,
just call pci_claim_resource.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This function was only used by pci_claim_resource(), and the last commit
deleted that use.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Instead of starting from the iomem or ioport roots, start from the
parent bus' resources. This fixes a bug where child resources would
appear above their parents resources if they had the same size.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Tested-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Convert ia64 to use int-ll64.h
[IA64] Fix build error in paravirt_patchlist.c
[IA64] ia64 does not need umount2() syscall
[IA64] hook up new rt_tgsigqueueinfo syscall
[IA64] msi_ia64.c dmar_msi_type should be static
[IA64] remove obsolete hw_interrupt_type
[IA64] remove obsolete irq_desc_t typedef
[IA64] remove obsolete no_irq_type
[IA64] unexport fpswa.h
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It is generally agreed that it would be beneficial for u64 to be an
unsigned long long on all architectures. ia64 (in common with several
other 64-bit architectures) currently uses unsigned long. Migrating
piecemeal is too painful; this giant patch fixes all compilation warnings
and errors that come as a result of switching to use int-ll64.h.
Note that userspace will still see __u64 defined as unsigned long. This
is important as it affects C++ name mangling.
[Updated by Tony Luck to change efi.h:efi_freemem_callback_t to use
u64 for start/end rather than unsigned long]
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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ia64 doesn't have old and new versions of the umount system call.
It just has the new version.
Fixes this build warning:
<stdin>:395:2: warning: #warning syscall umount2 not implemented
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Assign syscall #1321 for rt_tgsigqueueinfo.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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The defines and typedefs (hw_interrupt_type, no_irq_type, irq_desc_t) have
been kept around for migration reasons. After more than two years it's
time to remove them finally.
This patch cleans up one of the remaining users. When all such patches
hit mainline we can remove the defines and typedefs finally.
Impact: cleanup
Convert the last remaining users to struct irq_chip and remove the
define.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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The defines and typedefs (hw_interrupt_type, no_irq_type, irq_desc_t) have
been kept around for migration reasons. After more than two years it's
time to remove them finally.
This patch cleans up one of the remaining users. When all such patches
hit mainline we can remove the defines and typedefs finally.
Impact: cleanup
Convert the last remaining users and remove the typedef.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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The defines and typedefs (hw_interrupt_type, no_irq_type, irq_desc_t) have
been kept around for migration reasons. After more than two years it's
time to remove them finally.
This patch cleans up one of the remaining users. When all such patches
hit mainline we can remove the defines and typedefs finally.
Impact: cleanup
convert the last remaining users to no_irq_chip
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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fpswa.h is not relevant for userspace,
so do not export it.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Andrew cleaned up some #include tangles in:
commit 0d9c25dde878a636ee9a9b53923569171bf9a55b
headers: move module_bug_finalize()/module_bug_cleanup() definitions into module.h
which resulted in this build error for ia64:
CC arch/ia64/kernel/paravirt_patchlist.o
arch/ia64/kernel/paravirt_patchlist.c:43: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__initdata'
arch/ia64/kernel/paravirt_patchlist.c:54: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'paravirt_get_gate_patchlist'
arch/ia64/kernel/paravirt_patchlist.c:76: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'paravirt_get_gate_section'
make[1]: *** [arch/ia64/kernel/paravirt_patchlist.o] Error 1
The problem was that paravirt_patchlist.c was relying on some of the
nested includes (specifically that linux/bug.h included linux/module.h
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: early init for MFD running regulators
mfd: fix tmio related warnings
mfd: asic3: enable SD/SDIO cell
mfd: asic3: enable DS1WM cell
mfd: asic3: remove SD/SDIO controller register definitions
mfd: asic3: use resource_size macro instead of local variable
mfd: add ASIC3 IRQ numbers
mfd: asic3: add clock handling for MFD cells
mfd: asic3: add asic3_set_register common operation
mfd: Fix Kconfig help text for WM8350
mfd: add PCAP driver
mfd: add U300 AB3100 core support
drivers/mfd: remove obsolete irq_desc_t typedef
mfd/pcf50633-gpio.c: add MODULE_LICENSE
mfd: Mark WM8350 mask revision as readable to match silicon
mfd: Mark clocks_init as non-init in twl4030-core.c
mfd: Correct readability of WM8350 register 227
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For MFDs running regulator cores, we really want them to be brought up early
during boot.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>
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