[openssl-dev] [openssl.org #4321] Re: Missing accessor to the EVP_CIPHER_CTX member oiv

[Dmitry Belyavsky via RT]

Dear Richard,

Sorry for the delay. I am out of office now so I will check it some days
later.

On Thursday, February 18, 2016, Richard Levitte via RT <rt at openssl.org>
wrote:

> Did that help, can we close this ticket now?
>
> Vid Ons, 17 Feb 2016 kl. 11.25.26, skrev levitte:
> > May I suggest that you use EVP_CIPHER_set_asn1_iv() and/or
> > EVP_CIPHER_get_asn1_iv()? With a temporary ASN1_TYPE to which you
> > assign
> > gcp->iv, that should be perfectly possible, no?
> >
> > Cheers,
> > Richard
> >
> > Vid Ons, 17 Feb 2016 kl. 09.53.04, skrev beldmit at gmail.com
> <javascript:;>:
> > > Dear Richard,
> > >
> > > I am not sure it will not break the compatibility.
> > > Both implementations of the GOST ciphers require access to this
> > > field.
> > >
> > > On Wed, Feb 17, 2016 at 12:42 PM, Richard Levitte via RT
> > > <rt at openssl.org <javascript:;>>
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > I'm sorry, the oiv field is EVP private. Sure, it's been accessible
> > > > (and
> > > > thoroughly misused in some cases) when EVP_CIPHER_CTX was open, but
> > > > in
> > > > essence,
> > > > it's a EVP private store of the IV that was given at
> > > > EVP_CipherInit().
> > > >
> > > > If you want to retain a copy of the original IV, I suggest you have
> > > > one in
> > > > GOSTs structure and take a copy of the IV given to the init()
> > > > function.
> > > >
> > > > Thank you for the reminder, I meant to deal with this further. oiv
> > > > should
> > > > really not be publically accessible at all, not even as a constant.
> > > >
> > > > Cheers,
> > > > Richard
> > > >
> > > > Vid Sat, 23 Jan 2016 kl. 09.40.19, skrev beldmit at gmail.com
> <javascript:;>:
> > > > > Hello,
> > > > >
> > > > > After making the EVP_CIPHER_CTX struct opaque I found that there
> > > > > is a
> > > > > missing non-const accessor to the oiv member. It is used in GOST
> > > > > engine
> > > > > when we set the cipher parameters from the ASN1 parameters.
> > > > >
> > > > > Thank you!
> > > > >
> > > >
> > > >
> > > > --
> > > > Richard Levitte
> > > > levitte at openssl.org <javascript:;>
> > > >
> > > > --
> > > > Ticket here: http://rt.openssl.org/Ticket/Display.html?id=4267
> > > > Please log in as guest with password guest if prompted
> > > >
> > > >
> > >
> > >
> >
> >
> > --
> > Richard Levitte
> > levitte at openssl.org <javascript:;>
>
>
> --
> Richard Levitte
> levitte at openssl.org <javascript:;>
>
> --
> Ticket here: http://rt.openssl.org/Ticket/Display.html?id=4267
> Please log in as guest with password guest if prompted
>
>

-- 
SY, Dmitry Belyavsky

-- 
Ticket here: http://rt.openssl.org/Ticket/Display.html?id=4321
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