Prepare for 0.9.8ze-dev

[oweals/openssl.git] / crypto / bn / bn_lib.c

diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 2649b8c538510930075f6660008bc1e9f1d78b06..c288844aa548f600fa0a480b3df8f24c70eb822a 100644 (file)
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -139,25 +139,6 @@ const BIGNUM *BN_value_one(void)
        return(&const_one);
        }
 
-char *BN_options(void)
-       {
-       static int init=0;
-       static char data[16];
-
-       if (!init)
-               {
-               init++;
-#ifdef BN_LLONG
-               BIO_snprintf(data,sizeof data,"bn(%d,%d)",
-                            (int)sizeof(BN_ULLONG)*8,(int)sizeof(BN_ULONG)*8);
-#else
-               BIO_snprintf(data,sizeof data,"bn(%d,%d)",
-                            (int)sizeof(BN_ULONG)*8,(int)sizeof(BN_ULONG)*8);
-#endif
-               }
-       return(data);
-       }
-
 int BN_num_bits_word(BN_ULONG l)
        {
        static const char bits[256]={
@@ -339,6 +320,15 @@ static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
                BNerr(BN_F_BN_EXPAND_INTERNAL,ERR_R_MALLOC_FAILURE);
                return(NULL);
                }
+#ifdef PURIFY
+       /* Valgrind complains in BN_consttime_swap because we process the whole
+        * array even if it's not initialised yet. This doesn't matter in that
+        * function - what's important is constant time operation (we're not
+        * actually going to use the data)
+       */
+       memset(a, 0, sizeof(BN_ULONG)*words);
+#endif
+
 #if 1
        B=b->d;
        /* Check if the previous number needs to be copied */