/* * Copyright (c) 2010 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <stdint.h> #include <stddef.h> /* * iso10126pad.h * MacTomCrypt * * iso10126 padding mode functions. */ #ifdef __cplusplus extern "C" { #endif /* * Fill out the padding for a buffer. The blocksize and starting points are used to determine how much needs * to be padded. If startpoint is blocksize+1 then a full new buffer is added. Blocksize cannot be greater * than 256. */ int iso10126_pad(char *buff, size_t blocksize, size_t startpoint); /* * Given the last buffer containing the pad, how many bytes is the original text? * returns -1 on error. */ int iso10126_unpadlen(char *buff, size_t blocksize); /* * Maximum space needed for padding. For iso10126 this is blocksize*2 */ int iso10126_len(size_t blocksize); #ifdef __cplusplus } #endif