libssh2_hostkey_hash (3) - Linux Manuals
libssh2_hostkey_hash: return a hash of the remote host's key
NAME
libssh2_hostkey_hash - return a hash of the remote host's keySYNOPSIS
#include <libssh2.h>const char * libssh2_hostkey_hash(LIBSSH2_SESSION *session, int hash_type);
DESCRIPTION
session - Session instance as returned by libssh2_session_init_ex(3)hash_type - One of: LIBSSH2_HOSTKEY_HASH_MD5 or LIBSSH2_HOSTKEY_HASH_SHA1.
Returns the computed digest of the remote system's hostkey. The length of the returned string is hash_type specific (e.g. 16 bytes for MD5, 20 bytes for SHA1).