XrdCryptoLite_bf32.cc File Reference

#include "XrdCrypto/XrdCryptoLite.hh"

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Functions
XrdCryptoLite *	XrdCryptoLite_New_bf32 (const char Type)

Function Documentation

XrdCryptoLite_New_bf32()

XrdCryptoLite * XrdCryptoLite_New_bf32

(

const char

Type

)

Definition at line 181 of file XrdCryptoLite_bf32.cc.

{
#ifdef HAVE_SSL
#if OPENSSL_VERSION_NUMBER < 0x10100000L
   // In case nothing has yet configured a libcrypto thread-id callback
   // function we provide one via the XrdTlsContext Init method. Compared
   // to the default the aim is to provide better properies when libcrypto
   // uses the thread-id as hash-table keys for the per-thread error state.
   static struct configThreadid {
     configThreadid() {eText = XrdTlsContext::Init();}
     const char *eText;
   } ctid;
   // Make sure all went well
   //
   if (ctid.eText) return (XrdCryptoLite *)0;
#endif
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
   // With openssl v3 the blowfish cipher is only available via the "legacy"
   // provider. Legacy is typically not enabled by default (but can be via
   // openssl.cnf) so it is loaded here. Explicitly loading a provider will
   // disable the automatic loading of the "default" one. The default might
   // not have already been loaded, or standard algorithms might be available
   // via another configured provider, such as FIPS. So an attempt is made to
   // fetch a common default algorithm, possibly automaticlly loading the
   // default provider. Afterwards the legacy provider is loaded.
   static struct loadProviders {
      loadProviders() {
         EVP_MD *mdp = EVP_MD_fetch(NULL, "SHA2-256", NULL);
         if (mdp) EVP_MD_free(mdp);
         // Load legacy provider into the default (NULL) library context
         (void) OSSL_PROVIDER_load(NULL, "legacy");
      }
   } lp;
#endif
   return (XrdCryptoLite *)(new XrdCryptoLite_bf32(Type));
#else
   return (XrdCryptoLite *)0;
#endif
}

References XrdTlsContext::Init().

Referenced by XrdCryptoLite::Create().

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