linux-toradex.git/drivers/crypto, branch v2.6.17.3

[CRYPTO] api: Align tfm context as wide as possible

2006-03-21T09:14:08+00:00

Since tfm contexts can contain arbitrary types we should provide at least
natural alignment (__attribute__ ((__aligned__))) for them.  In particular,
this is needed on the Xscale which is a 32-bit architecture with a u64 type
that requires 64-bit alignment.  This problem was reported by Ronen Shitrit.

The crypto_tfm structure's size was 44 bytes on 32-bit architectures and
80 bytes on 64-bit architectures.  So adding this requirement only means
that we have to add an extra 4 bytes on 32-bit architectures.

On i386 the natural alignment is 16 bytes which also benefits the VIA
Padlock as it no longer has to manually align its context structure to
128 bits.

Signed-off-by: Herbert Xu

[PATCH] padlock: Fix typo that broke 256-bit keys

2006-02-22T15:47:07+00:00

A typo crept into the le32_to_cpu patch which broke 256-bit keys
in the padlock driver.  The following patch based on observations
by Michael Heyse fixes the problem.

Signed-off-by: Herbert Xu 
Signed-off-by: Linus Torvalds

[CRYPTO] Allow AES C/ASM implementations to coexist

2006-01-09T22:15:39+00:00

As the Crypto API now allows multiple implementations to be registered
for the same algorithm, we no longer have to play tricks with Kconfig
to select the right AES implementation.

This patch sets the driver name and priority for all the AES
implementations and removes the Kconfig conditions on the C implementation
for AES.

Signed-off-by: Herbert Xu

[CRYPTO] Use standard byte order macros wherever possible

2006-01-09T22:15:34+00:00

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

[PADLOCK] Fix sparse warning about 1-bit signed bit-field

2006-01-09T22:15:31+00:00

Change the bit-field in struct cword to unsigned to shut sparse up.

Signed-off-by: Herbert Xu

[PATCH] CONFIG_IA32

2005-10-31T01:37:10+00:00

Add CONFIG_X86_32 for i386.  This allows selecting options that only apply
to 32-bit systems.

(X86 && !X86_64) becomes X86_32
(X86 ||  X86_64) becomes X86

Signed-off-by: Brian Gerst 
Cc: Sam Ravnborg 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[CRYPTO] Update IV correctly for Padlock CBC encryption

2005-07-06T20:54:09+00:00

When the Padlock does CBC encryption, the memory pointed to by EAX is
not updated at all.  Instead, it updates the value of EAX by pointing
it to the last block in the output.  Therefore to maintain the correct
semantics we need to copy the IV.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller

[CRYPTO] Ensure cit_iv is aligned correctly

2005-07-06T20:53:29+00:00

This patch ensures that cit_iv is aligned according to cra_alignmask
by allocating it as part of the tfm structure.  As a side effect the
crypto layer will also guarantee that the tfm ctx area has enough space
to be aligned by cra_alignmask.  This allows us to remove the extra
space reservation from the Padlock driver.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller

[PADLOCK] Implement multi-block operations

2005-07-06T20:52:43+00:00

By operating on multiple blocks at once, we expect to extract more
performance out of the VIA Padlock.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller

[PADLOCK] Move fast path work into aes_set_key and upper layer

2005-07-06T20:52:27+00:00

Most of the work done aes_padlock can be done in aes_set_key.  This
means that we only have to do it once when the key changes rather
than every time we perform an encryption or decryption.

This patch also sets cra_alignmask to let the upper layer ensure
that the buffers fed to us are aligned correctly.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller