[git] GCRYPT - branch, master, updated. libgcrypt-1.5.0-50-ga96974d

[by Werner Koch]

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- Log -----------------------------------------------------------------
commit a96974de734beb51a733a89b3283bcf7b433b54c
Author: Werner Koch <wk at gnupg.org>
Date:   Wed Nov 21 10:35:28 2012 +0100

    Fix segv with AES-NI on some platforms.
    
    * cipher/rijndael.c (RIJNDAEL_context): Align on 16 bytes.
    --
    
    The trigger for this problem is the allocation of the context in the
    selftest functions.  The other code paths use a 16 byte alignment
    anyway by means of the allocation of the context in cipher.c
    Thanks to Gentoo hacker Joakim Tjernlund for figuring out the reason
    of this problem.
    
    GnuPG-bug-id: 1452

diff --git a/cipher/rijndael.c b/cipher/rijndael.c
index d9a95cb..a2aedf0 100644
--- a/cipher/rijndael.c
+++ b/cipher/rijndael.c
@@ -126,7 +126,7 @@ typedef struct
 #ifdef USE_AESNI
   int use_aesni;            /* AES-NI shall be used.  */
 #endif /*USE_AESNI*/
-} RIJNDAEL_context;
+} RIJNDAEL_context ATTR_ALIGNED_16;
 
 /* Macros defining alias for the keyschedules.  */
 #define keyschenc  u1.keyschedule

-----------------------------------------------------------------------

Summary of changes:
 cipher/rijndael.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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