OpenSSL RSA_size(3openssl)
NNNNAAAAMMMMEEEERSA_size - get RSA modulus size
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS#include
int RSA_size(const RSA *rsa);
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN This function returns the RSA modulus size in bytes. It can be used to determine how much memory must be allocated for an RSA encrypted value.rrrrssssaaaa---->>>>nnnn must not be NNNNUUUULLLLLLLL.
RRRREEEETTTTUUUURRRRNNNN VVVVAAAALLLLUUUUEEEE The size in bytes. SSSSEEEEEEEE AAAALLLLSSSSOOOO rsa(3) HHHHIIIISSSSTTTTOOOORRRRYYYYRSA_size() is available in all versions of SSLeay and
OpenSSL.5/Aug/2002 Last change: 0.9.8o 1