removed mods directory from the ATutor codebase

[atutor.git] / mods / atsocial_iphone_app / OAuth / Crypto / hmac.c

diff --git a/mods/atsocial_iphone_app/OAuth/Crypto/hmac.c b/mods/atsocial_iphone_app/OAuth/Crypto/hmac.c
deleted file mode 100644 (file)
index eea9a70..0000000
--- a/mods/atsocial_iphone_app/OAuth/Crypto/hmac.c
+++ /dev/null
@@ -1,86 +0,0 @@
-//
-//  hmac.c
-//  OAuthConsumer
-//
-//  Created by Jonathan Wight on 4/8/8.
-//  Copyright 2008 Jonathan Wight. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-
-/*
- * Implementation of HMAC-SHA1. Adapted from example at http://tools.ietf.org/html/rfc2104
- 
- */
-
-#include "sha1.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-void hmac_sha1(const unsigned char *inText, size_t inTextLength, unsigned char* inKey, size_t inKeyLength, unsigned char *outDigest)
-{
-const size_t B = 64;
-const size_t L = 20;
-
-SHA1_CTX theSHA1Context;
-unsigned char k_ipad[B + 1]; /* inner padding - key XORd with ipad */
-unsigned char k_opad[B + 1]; /* outer padding - key XORd with opad */
-
-/* if key is longer than 64 bytes reset it to key=SHA1 (key) */
-if (inKeyLength > B)
-       {
-       SHA1Init(&theSHA1Context);
-       SHA1Update(&theSHA1Context, inKey, inKeyLength);
-       SHA1Final(inKey, &theSHA1Context);
-       inKeyLength = L;
-       }
-
-/* start out by storing key in pads */
-memset(k_ipad, 0, sizeof k_ipad);
-memset(k_opad, 0, sizeof k_opad);
-memcpy(k_ipad, inKey, inKeyLength);
-memcpy(k_opad, inKey, inKeyLength);
-
-/* XOR key with ipad and opad values */
-int i;
-for (i = 0; i < B; i++)
-       {
-       k_ipad[i] ^= 0x36;
-       k_opad[i] ^= 0x5c;
-       }
-       
-/*
-* perform inner SHA1
-*/
-SHA1Init(&theSHA1Context);                 /* init context for 1st pass */
-SHA1Update(&theSHA1Context, k_ipad, B);     /* start with inner pad */
-SHA1Update(&theSHA1Context, (unsigned char *)inText, inTextLength); /* then text of datagram */
-SHA1Final((unsigned char *)outDigest, &theSHA1Context);                /* finish up 1st pass */
-
-/*
-* perform outer SHA1
-*/
-SHA1Init(&theSHA1Context);                   /* init context for 2nd
-* pass */
-SHA1Update(&theSHA1Context, k_opad, B);     /* start with outer pad */
-SHA1Update(&theSHA1Context, outDigest, L);     /* then results of 1st
-* hash */
-SHA1Final(outDigest, &theSHA1Context);          /* finish up 2nd pass */
-
-}
\ No newline at end of file