int ssh1_read_bignum(unsigned char *data, Bignum *result);
int bignum_bitcount(Bignum bn);
int ssh1_bignum_length(Bignum bn);
+int ssh2_bignum_length(Bignum bn);
int bignum_byte(Bignum bn, int i);
int bignum_bit(Bignum bn, int i);
void bignum_set_bit(Bignum bn, int i, int value);