Hi, In one of our customer environment I am always getting the following stack error and my process always hangs here. Does anyone have any idea? I found that OPENSSL_cleanse is not thread safe from the google search. Ref: http://fixunix.com/openssl/155271-openssl_cleanse-threadsafe-routine.htm l <http://fixunix.com/openssl/155271-openssl_cleanse-threadsafe-routine.ht ml> Could someone help us in resolving this issue. If any other details are required please let me know. #0 0xc46605b4 in OPENSSL_cleanse+0x38 () from /opt//mylib.sl #1 0xc4602da8 in BN_clear_free+0x28 () from /opt//mylib.sl #2 0xc468ef24 in RSA_free+0xa4 () from /opt//mylib.sl #3 0xc4671f54 in EVP_PKEY_free+0xb8 () from /opt//mylib.sl #4 0xc46ec75c in ssl_set_cert+0x130 () from /opt//mylib.sl #5 0xc46eb550 in SSL_use_certificate+0xac () from /opt//mylib.sl Details of the machine: --------------------------------- OS: HPUX 11.11 openssl version: 0.9.8d/0.9.7l Cluster system Thanks in Advance, Regards Ashith