On Fri, May 28, 2004, Thomas Schuerger wrote: > > > I have problems using the RSA_private_decrypt() function of the crypto > > > library in parallel with *the same* (RSA *) structure. When using a > > > single thread, decryption works flawlessly, when using two or more > > > threads in parallel, decryption mostly fails with PKCS errors. > > > > > > I thought the RSA structure would be accessed read-only so that this > > > should be thread-safe. > > > > > > > There are some montgomery parameters that are cached in the RSA structure when > > it is first used. You need to set the appropriate locking callbacks to avoid a > > race condition in a multithreaded environment. > > > > > Any ideas how to solve this? Is there a function that duplicates an > > > RSA structure so that I can duplicate it before using it? > > > > > > > RSAPrivateKey_dup(). > > OK, thanks... > > Are there any examples how the locking callbacks can be set and how > they could be implemented in a Linux environment? >
See: http://www.openssl.org/support/faq.html#PROG1 http://www.openssl.org/docs/crypto/threads.html Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Funding needed! Details on homepage. Homepage: http://www.drh-consultancy.demon.co.uk ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]