[openssl-project] to fully overlap or not to

[Andy Polyakov]

>>> I'd like to request more opinions on
>>> https://github.com/openssl/openssl/pull/5427. Key dispute question is
>>> whether or not following fragment should work
>>>
>>>   unsigned char *inp = buf, *out = buf;
>>>
>>>   for (i = 0; i < sizeof(buf); i++) {
>>>       EVP_EncryptUpdate(ctx, out, &outl, inp++, 1);
>>> 	out += outl;
>>>   }
>>
>> This should work.
> 
> On second thought, perhaps not.

It seems that double-clarification is appropriate. As it stands now it
*does* work. So question is rather if it should keep working [and if
not, is it appropriate that stops working in minor release].