BN_num_bits
NAME
BN_num_bits, BN_num_bytes, BN_num_bits_word - get BIGNUM size Synopsis
#include <openssl/bn.h>
int
BN_num_bytes(const BIGNUM *a);
int BN_num_bits(const BIGNUM
*a);
int BN_num_bits_word(BN_ULONG w);
DESCRIPTION These functions return the size of a BIGNUM in
bytes or bits, and the size of an unsigned integer in bits. BN_num_bytes() is a macro.
RETURN VALUES The size.
SEE ALSO bn(3)
HISTORY BN_num_bytes(), BN_num_bits() and BN_num_bits_word() are available
in all versions of SSLeay and OpenSSL.
CRYPTO Application Programming Interface (API)... 
