[git] GCRYPT - branch, master, updated. libgcrypt-1.6.0-297-gb9c02fb

[by Justus Winter]

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       via  ca06cd7f77acb317c2649c58918908f043dfe6bd (commit)
      from  dd3d06e7f113cf7608f060ceb043262efd0b0c9d (commit)

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- Log -----------------------------------------------------------------
commit b9c02fbeb7efb7d0593b33485fb30c298291cf80
Author: Justus Winter <justus at g10code.com>
Date:   Mon Dec 7 12:44:48 2015 +0100

    cipher: Improve error handling.
    
    * cipher/ecc.c (ecc_decrypt_raw): Improve error handling.
    --
    Found using the Clang Static Analyzer.
    
    Signed-off-by: Justus Winter <justus at g10code.com>

diff --git a/cipher/ecc.c b/cipher/ecc.c
index e4e9139..105650e 100644
--- a/cipher/ecc.c
+++ b/cipher/ecc.c
@@ -1591,7 +1591,10 @@ ecc_decrypt_raw (gcry_sexp_t *r_plain, gcry_sexp_t s_data, gcry_sexp_t keyparms)
         rawmpi = _gcry_mpi_get_buffer_extra (x, ec->nbits/8, -1,
                                              &rawmpilen, NULL);
         if (!rawmpi)
-          rc = gpg_err_code_from_syserror ();
+          {
+            rc = gpg_err_code_from_syserror ();
+            goto leave;
+          }
         else
           {
             rawmpi[0] = 0x40;

commit ca06cd7f77acb317c2649c58918908f043dfe6bd
Author: Justus Winter <justus at g10code.com>
Date:   Mon Dec 7 12:39:41 2015 +0100

    cipher: Initialize 'flags'.
    
    * cipher/ecc.c (ecc_encrypt_raw): Initialize 'flags' to 0.
    --
    Found using the Clang Static Analyzer.
    
    Signed-off-by: Justus Winter <justus at g10code.com>

diff --git a/cipher/ecc.c b/cipher/ecc.c
index 51621f8..e4e9139 100644
--- a/cipher/ecc.c
+++ b/cipher/ecc.c
@@ -1242,7 +1242,7 @@ ecc_encrypt_raw (gcry_sexp_t *r_ciph, gcry_sexp_t s_data, gcry_sexp_t keyparms)
   gcry_mpi_t data = NULL;
   ECC_public_key pk;
   mpi_ec_t ec = NULL;
-  int flags;
+  int flags = 0;
 
   memset (&pk, 0, sizeof pk);
   _gcry_pk_util_init_encoding_ctx (&ctx, PUBKEY_OP_ENCRYPT,

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

Summary of changes:
 cipher/ecc.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)


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