[FFmpeg-devel] Patch for Cast128 algorithm implementation

Giorgio Vazzana mywing81 at gmail.com
Thu Oct 16 10:07:09 CEST 2014


Hi,

2014-10-16 5:32 GMT+02:00 Michael Niedermayer <michaelni at gmx.at>:
> On Thu, Oct 16, 2014 at 03:25:42AM +0530, supraja reddy wrote:
>> Extremely sorry for resending the patch . There was a trailing whitespace
>> which I hadn't corrected .
>> All the changes are done .
>> Please let me if any changes needed further .

> also a test that enciphers and deciphers a larger amount of random
> data could be added

The RFC defines a "Full Maintenance Test",

http://tools.ietf.org/html/rfc2144#appendix-B.2

it should probably be added (easy: just a few lines of code).

>
>
>> +    return err;
>> +}
>> +#endif
>> diff --git a/libavutil/cast5.h b/libavutil/cast5.h
>> new file mode 100644
>> index 0000000..d151031
>> --- /dev/null
>> +++ b/libavutil/cast5.h
>> @@ -0,0 +1,60 @@
>> +/*
>> + * An implementation of the CAST128 algorithm as mentioned in RFC2144
>> + * Copyright (c) 2014 Supraja Meedinti
>> + *
>> + * This file is part of FFmpeg.
>> + *
>> + * FFmpeg is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU Lesser General Public
>> + * License as published by the Free Software Foundation; either
>> + * version 2.1 of the License, or (at your option) any later version.
>> + *
>> + * FFmpeg is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>> + * Lesser General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU Lesser General Public
>> + * License along with FFmpeg; if not, write to the Free Software
>> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>> + */
>> +
>> +#ifndef AVUTIL_CAST5_H
>> +#define AVUTIL_CAST5_H
>> +
>> +#include <stdint.h>
>> +

>> +#include "attributes.h"
>> +#include "version.h"

I think version.h is not needed and you can move attributes.h to cast5.c

No more comments from me, apart from: well done! Another round of
revision and hopefully we'll soon be able to apply the patch :)

Giorgio


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