[PATCH 2/7] digest: make it multi-instance

[Sascha Hauer]

On Tue, Mar 10, 2015 at 03:28:12PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Now you need to call digest_alloc and when you finish to use it digest_free.
> 
> We need this for upcomming aes encryption support and secure boot
> as we will need multiple instance of the same digest.
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
>  commands/digest.c |  3 ++-
>  common/digest.c   | 50 ++++++++++++++++++++++++++++++++++++++++----------
>  common/password.c |  5 +++--
>  crypto/md5.c      | 34 +++++++++++-----------------------
>  crypto/sha1.c     | 34 +++++++++++-----------------------
>  crypto/sha2.c     | 55 ++++++++++++++++++++-----------------------------------
>  include/digest.h  | 26 +++++++++++++++++---------
>  7 files changed, 104 insertions(+), 103 deletions(-)
> 
> diff --git a/commands/digest.c b/commands/digest.c
> index bad7d3f..c6a2751 100644
> --- a/commands/digest.c
> +++ b/commands/digest.c
> @@ -33,7 +33,7 @@ static int do_digest(char *algorithm, int argc, char *argv[])
>  	int i;
>  	unsigned char *hash;
>  
> -	d = digest_get_by_name(algorithm);
> +	d = digest_alloc(algorithm);
>  	BUG_ON(!d);
>  
>  	if (argc < 2)
> @@ -71,6 +71,7 @@ static int do_digest(char *algorithm, int argc, char *argv[])
>  	}
>  
>  	free(hash);
> +	digest_free(d);
>  
>  	return ret;
>  }
> diff --git a/common/digest.c b/common/digest.c
> index 789c0b2..89af862 100644
> --- a/common/digest.c
> +++ b/common/digest.c
> @@ -28,12 +28,14 @@
>  
>  static LIST_HEAD(digests);
>  
> +static struct digest_algo* digest_algo_get_by_name(char* name);

The coding style is to put the '*' adjacent to the data name or function
name, not adjacent to the type name. Please stick to it. A patch to
clean this up first in this file would be very welcomed.

Sascha

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