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When BN_add_word() reaches top, it shouldn't try to add the the corresponding
[openssl.git]
/
crypto
/
bn
/
bn_word.c
diff --git
a/crypto/bn/bn_word.c
b/crypto/bn/bn_word.c
index cd59baa2c4902910f34a0268627512a24e839f0e..988e0ca7b37fb30fac9fa1646e084acf5bb3dec0 100644
(file)
--- a/
crypto/bn/bn_word.c
+++ b/
crypto/bn/bn_word.c
@@
-123,7
+123,10
@@
int BN_add_word(BIGNUM *a, BN_ULONG w)
i=0;
for (;;)
{
- l=(a->d[i]+(BN_ULONG)w)&BN_MASK2;
+ if (i >= a->top)
+ l=w;
+ else
+ l=(a->d[i]+(BN_ULONG)w)&BN_MASK2;
a->d[i]=l;
if (w > l)
w=1;