Problems with simple enveloping

Hi people!

I'm using Cryltlib 3.4.0 both under WindowsXP SP3 and FreeBSD 8.2 (AMD64)

While creating envelopes in code beow I got an error.

  this->cl_err = 
cryptCreateEnvelope(&env,CRYPT_UNUSED,CRYPT_FORMAT_CRYPTLIB);
  if (this->cl_err) IRET(446);

  this->cl_err = cryptSetAttribute( env, CRYPT_ATTRIBUTE_BUFFERSIZE, 
src_size+16384);
  if (this->cl_err) IRET(449);

The last operation returns -2 i.e. CRYPT_ATTRIBUTE_BUFFERSIZE is a wrong 
attr for envelope.

real value for src_size was 32768, but might be aany one up to 32MB.

What's wrong?

PS  As a test one I tried to exclude buffer size definition from code 
but still using definition of raw data size. The result of data push was 
-30 (i.e. Data overflow).

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