Hi Pratap,
one possible reason for a memory leak is the
way you use the BN_bn2hex() function.
[...]
> BN_CTX_free(ctx);
> return;
> }
> strcpy((char *)A,(const char *)BN_bn2hex(d));
>
[...]
from the BN_bn2hex manpage :
[...]
BN_bn2hex() and BN_bn2dec() return printable strings
containing the hexadecimal and decimal encoding of a
respectively. For negative numbers, the string is prefaced
with a leading '-'. The string must be freed later using
OPENSSL_free().
[...]
Try :
char *buffer=NULL;
....
buffer = BN_bn2hex(d);
strcpy((char *)A, buffer);
OPENSSL_free(buffer);
...
Nils
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