[git] GCRYPT - branch, master, updated. libgcrypt-1.6.0-157-ge4de523

[by Dmitry Eremin-Solenikov]

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The branch, master has been updated
       via  e4de52378a85cf383994ded8edf0d5cf98dcb10c (commit)
       via  05dc5bcd234909ae9c9366b653346076b9a834ed (commit)
      from  e6996fe55685f8042a846b465e0d0c097d615086 (commit)

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- Log -----------------------------------------------------------------
commit e4de52378a85cf383994ded8edf0d5cf98dcb10c
Author: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>
Date:   Sun Dec 28 12:15:33 2014 +0300

    stribog: Reduce table size to the needed one.
    
    * cipher/stribog.c (C16): Avoid allocating superfluous space.
    
    --
    
    Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>

diff --git a/cipher/stribog.c b/cipher/stribog.c
index 942bbf4..de167a7 100644
--- a/cipher/stribog.c
+++ b/cipher/stribog.c
@@ -1080,7 +1080,7 @@ static const u64 stribog_table[8][256] =
     U64_C(0x72d14d3493b2e388), U64_C(0xd6a30f258c153427) },
 };
 
-static const u64 C16[13][16] =
+static const u64 C16[12][8] =
 {
   { U64_C(0xdd806559f2a64507), U64_C(0x05767436cc744d23),
     U64_C(0xa2422a08a460d315), U64_C(0x4b7ce09192676901),

commit 05dc5bcd234909ae9c9366b653346076b9a834ed
Author: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>
Date:   Sun Dec 28 12:05:43 2014 +0300

    gostr3411-94: Fix the iteration count for length filling loop.
    
    * cipher/gostr3411-94.c (gost3411_final): Fix loop
    --
    
    The maximum iteration count for filling the l (bit length) array was
    incrrectly set to 32 (missed that in u8->u32 refactoring). This was
    not resulting in stack corruption, since nblocks variable would be
    exausted earlier compared to 8 32-bit values (the size of the array).
    
    Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>

diff --git a/cipher/gostr3411-94.c b/cipher/gostr3411-94.c
index 91e5b4c..7b16e61 100644
--- a/cipher/gostr3411-94.c
+++ b/cipher/gostr3411-94.c
@@ -307,7 +307,7 @@ gost3411_final (void *context)
   l[0] |= nblocks << 8;
   nblocks >>= 24;
 
-  for (i = 1; i < 32 && nblocks != 0; i++)
+  for (i = 1; i < 8 && nblocks != 0; i++)
     {
       l[i] = nblocks;
       nblocks >>= 24;

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

Summary of changes:
 cipher/gostr3411-94.c |    2 +-
 cipher/stribog.c      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)


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