Eric Lee / smarc-fsl-linux-kernel

13 Jan, 2015

1 commit

  • 3e14dcf7c   crypto: add missing crypto module aliases ... Browse Code »

    Commit 5d26a105b5a7 ("crypto: prefix module autoloading with "crypto-"")
    changed the automatic module loading when requesting crypto algorithms
    to prefix all module requests with "crypto-". This requires all crypto
    modules to have a crypto specific module alias even if their file name
    would otherwise match the requested crypto algorithm.

    Even though commit 5d26a105b5a7 added those aliases for a vast amount of
    modules, it was missing a few. Add the required MODULE_ALIAS_CRYPTO
    annotations to those files to make them get loaded automatically, again.
    This fixes, e.g., requesting 'ecb(blowfish-generic)', which used to work
    with kernels v3.18 and below.

    Also change MODULE_ALIAS() lines to MODULE_ALIAS_CRYPTO(). The former
    won't work for crypto modules any more.

    Fixes: 5d26a105b5a7 ("crypto: prefix module autoloading with "crypto-"")
    Cc: Kees Cook
    Signed-off-by: Mathias Krause
    Signed-off-by: Herbert Xu

    Mathias Krause
     

24 Nov, 2014

1 commit

17 Oct, 2014

1 commit

  • 7185ad267   crypto: memzero_explicit - make sure to clear out sensitive data ... Browse Code »

    Recently, in commit 13aa93c70e71 ("random: add and use memzero_explicit()
    for clearing data"), we have found that GCC may optimize some memset()
    cases away when it detects a stack variable is not being used anymore
    and going out of scope. This can happen, for example, in cases when we
    are clearing out sensitive information such as keying material or any
    e.g. intermediate results from crypto computations, etc.

    With the help of Coccinelle, we can figure out and fix such occurences
    in the crypto subsytem as well. Julia Lawall provided the following
    Coccinelle program:

    @@
    type T;
    identifier x;
    @@

    T x;
    ... when exists
    when any
    -memset
    +memzero_explicit
    (&x,
    -0,
    ...)
    ... when != x
    when strict

    @@
    type T;
    identifier x;
    @@

    T x[...];
    ... when exists
    when any
    -memset
    +memzero_explicit
    (x,
    -0,
    ...)
    ... when != x
    when strict

    Therefore, make use of the drop-in replacement memzero_explicit() for
    exactly such cases instead of using memset().

    Signed-off-by: Daniel Borkmann
    Cc: Julia Lawall
    Cc: Herbert Xu
    Cc: Theodore Ts'o
    Cc: Hannes Frederic Sowa
    Acked-by: Hannes Frederic Sowa
    Acked-by: Herbert Xu
    Signed-off-by: Theodore Ts'o

    Daniel Borkmann
     

01 Aug, 2012

1 commit

25 Dec, 2008

1 commit

21 Apr, 2008

1 commit

  • 3af5b90bd   [CRYPTO] all: Clean up init()/fini() ... Browse Code »

    On Thu, Mar 27, 2008 at 03:40:36PM +0100, Bodo Eggert wrote:
    > Kamalesh Babulal wrote:
    >
    > > This patch cleanups the crypto code, replaces the init() and fini()
    > > with the _init/_fini
    >
    > This part ist OK.
    >
    > > or init/fini_ (if the
    > > _init/_fini exist)
    >
    > Having init_foo and foo_init won't be a good thing, will it? I'd start
    > confusing them.
    >
    > What about foo_modinit instead?

    Thanks for the suggestion, the init() is replaced with

    _mod_init ()

    and fini () is replaced with _mod_fini.

    Signed-off-by: Kamalesh Babulal
    Signed-off-by: Herbert Xu

    Kamalesh Babulal
     

02 Nov, 2007

1 commit

26 Jun, 2006

3 commits

  • 6c2bb98bc   [CRYPTO] all: Pass tfm instead of ctx to algorithms ... Browse Code »

    Up until now algorithms have been happy to get a context pointer since
    they know everything that's in the tfm already (e.g., alignment, block
    size).

    However, once we have parameterised algorithms, such information will
    be specific to each tfm. So the algorithm API needs to be changed to
    pass the tfm structure instead of the context pointer.

    This patch is basically a text substitution. The only tricky bit is
    the assembly routines that need to get the context pointer offset
    through asm-offsets.h.

    Signed-off-by: Herbert Xu

    Herbert Xu
     
  • 43600106e   [CRYPTO] digest: Remove unnecessary zeroing during init ... Browse Code »

    Various digest algorithms operate one block at a time and therefore
    keep a temporary buffer of partial blocks. This buffer does not need
    to be initialised since there is a counter which indicates what is and
    isn't valid in it.

    Signed-off-by: Herbert Xu

    Herbert Xu
     
  • e1147d8f4   [CRYPTO] digest: Add alignment handling ... Browse Code »

    Some hash modules load/store data words directly. The digest layer
    should pass properly aligned buffer to update()/final() method. This
    patch also add cra_alignmask to some hash modules.

    Signed-off-by: Atsushi Nemoto
    Signed-off-by: Herbert Xu

    Atsushi Nemoto
     

10 Jan, 2006

1 commit

  • 06ace7a9b   [CRYPTO] Use standard byte order macros wherever possible ... Browse Code »

    A lot of crypto code needs to read/write a 32-bit/64-bit words in a
    specific gender. Many of them open code them by reading/writing one
    byte at a time. This patch converts all the applicable usages over
    to use the standard byte order macros.

    This is based on a previous patch by Denis Vlasenko.

    Signed-off-by: Herbert Xu

    Herbert Xu
     

17 Apr, 2005

1 commit

  • 1da177e4c   Linux-2.6.12-rc2 ... Browse Code »

    Initial git repository build. I'm not bothering with the full history,
    even though we have it. We can create a separate "historical" git
    archive of that later if we want to, and in the meantime it's about
    3.2GB when imported into git - space that would just make the early
    git days unnecessarily complicated, when we don't have a lot of good
    infrastructure for it.

    Let it rip!

    Linus Torvalds