On Tue, Jul 08, 2008, Sanjith Chungath wrote: > Hi all, > We are trying to use openssl 0.9.8g with our application on various > platforms. we are facing an issue now. > > while creating a keystore as shown in below function (I have included only > relevant portions of the function) the application got crashed at free() > (msvcr80.dll). > > what i feel is that it is because of either ERR_free_strings() or > ERR_remove_state(0) or EVP_cleanup();. > > Please note that we are calling the below function from inside a loop in > another function. the crash happens when the below code executes for the > second time. Also the below functin will be resolved on a .dll which is > loaded by a single threaded (C) application. >
For efficiency reasons you shouldn't call the library startup and shutdown functions in a loop. They should be called once when the application starts and once when it closes down. Library startup functions: > > CRYPTO_malloc_init(); > CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); Above is not needed unless you check for memory leaks. > SSLeay_add_all_algorithms(); Above should be OpenSSL_add_all_algorithms(). > ERR_load_crypto_strings(); > > And the library shutdown functions: > CRYPTO_cleanup_all_ex_data(); > ERR_free_strings(); > ERR_remove_state(0); > EVP_cleanup(); Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Homepage: http://www.drh-consultancy.demon.co.uk ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager [EMAIL PROTECTED]
