Re: [PATCH v2 6/8] crypto/hmac: Allow to build hmac over multiple qcrypto_gnutls_hmac_bytes[v] calls

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Sep 01, 2025 at 07:56:26AM +0200, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
> 
> If the buffers that should be considered for building the hmac are not
> available at the same time, the current API is unsuitable. Extend it so
> that passing a NULL pointer as result_len is used as indicator that
> further buffers will be passed in succeeding calls to
> qcrypto_gnutls_hmac_bytes[v].
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
> Cc: "Daniel P. Berrangé" <berrange@redhat.com>
> ---
>  crypto/hmac-gcrypt.c  |  4 +++-
>  crypto/hmac-glib.c    |  4 +++-
>  crypto/hmac-gnutls.c  |  4 +++-
>  crypto/hmac-nettle.c  |  4 +++-
>  include/crypto/hmac.h | 12 ++++++++++++
>  5 files changed, 24 insertions(+), 4 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
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