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@@ -1,211 +0,0 @@
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-/*
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- * RFC 1521 base64 encoding/decoding
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- *
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- * Copyright (C) 2006-2007 Christophe Devine
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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- */
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-//#include "stdafx.h"
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-#include "config.h"
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-
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-#if defined(XYSSL_BASE64_C)
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-
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-#include "base64.h"
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-
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-static const unsigned char base64_enc_map[64] =
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-{
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- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
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- 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
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- 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
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- 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
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- 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
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- 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
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- '8', '9', '+', '/'
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-};
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-
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-static const unsigned char base64_dec_map[128] =
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-{
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- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
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- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
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- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
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- 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
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- 127, 127, 127, 62, 127, 127, 127, 63, 52, 53,
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- 54, 55, 56, 57, 58, 59, 60, 61, 127, 127,
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- 127, 64, 127, 127, 127, 0, 1, 2, 3, 4,
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- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
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- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
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- 25, 127, 127, 127, 127, 127, 127, 26, 27, 28,
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- 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
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- 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
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- 49, 50, 51, 127, 127, 127, 127, 127
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-};
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-
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-/*
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- * Encode a buffer into base64 format
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- */
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-int base64_encode( unsigned char *dst, int *dlen,
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- unsigned char *src, int slen )
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-{
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- int i, n;
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- int C1, C2, C3;
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- unsigned char *p;
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-
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- if( slen == 0 )
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- return( 0 );
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-
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- n = (slen << 3) / 6;
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-
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- switch( (slen << 3) - (n * 6) )
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- {
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- case 2: n += 3; break;
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- case 4: n += 2; break;
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- default: break;
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- }
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-
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- if( *dlen < n + 1 )
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- {
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- *dlen = n + 1;
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- return( XYSSL_ERR_BASE64_BUFFER_TOO_SMALL );
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- }
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-
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- n = (slen / 3) * 3;
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-
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- for( i = 0, p = dst; i < n; i += 3 )
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- {
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- C1 = *src++;
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- C2 = *src++;
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- C3 = *src++;
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-
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- *p++ = base64_enc_map[(C1 >> 2) & 0x3F];
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- *p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F];
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- *p++ = base64_enc_map[(((C2 & 15) << 2) + (C3 >> 6)) & 0x3F];
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- *p++ = base64_enc_map[C3 & 0x3F];
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- }
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-
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- if( i < slen )
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- {
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- C1 = *src++;
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- C2 = ((i + 1) < slen) ? *src++ : 0;
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-
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- *p++ = base64_enc_map[(C1 >> 2) & 0x3F];
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- *p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F];
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-
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- if( (i + 1) < slen )
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- *p++ = base64_enc_map[((C2 & 15) << 2) & 0x3F];
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- else *p++ = '=';
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-
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- *p++ = '=';
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- }
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-
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- *dlen = (int)(p - dst);
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- *p = 0;
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-
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- return( 0 );
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-}
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-
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-/*
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- * Decode a base64-formatted buffer
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- */
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-int base64_decode( unsigned char *dst, int *dlen,
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- unsigned char *src, int slen )
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-{
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- int i, j, n;
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- unsigned long x;
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- unsigned char *p;
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-
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- for( i = j = n = 0; i < slen; i++ )
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- {
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- if( ( slen - i ) >= 2 &&
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- src[i] == '\r' && src[i + 1] == '\n' )
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- continue;
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-
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- if( src[i] == '\n' )
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- continue;
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-
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- if( src[i] == '=' && ++j > 2 )
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- return( XYSSL_ERR_BASE64_INVALID_CHARACTER );
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-
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- if( src[i] > 127 || base64_dec_map[src[i]] == 127 )
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- return( XYSSL_ERR_BASE64_INVALID_CHARACTER );
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-
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- if( base64_dec_map[src[i]] < 64 && j != 0 )
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- return( XYSSL_ERR_BASE64_INVALID_CHARACTER );
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-
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- n++;
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- }
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-
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- if( n == 0 )
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- return( 0 );
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-
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- n = ((n * 6) + 7) >> 3;
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-
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- if( *dlen < n )
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- {
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- *dlen = n;
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- return( XYSSL_ERR_BASE64_BUFFER_TOO_SMALL );
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- }
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-
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- for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ )
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- {
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- if( *src == '\r' || *src == '\n' )
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- continue;
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-
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- j -= ( base64_dec_map[*src] == 64 );
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- x = (x << 6) | ( base64_dec_map[*src] & 0x3F );
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-
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- if( ++n == 4 )
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- {
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- n = 0;
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- if( j > 0 ) *p++ = (unsigned char)( x >> 16 );
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- if( j > 1 ) *p++ = (unsigned char)( x >> 8 );
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- if( j > 2 ) *p++ = (unsigned char)( x );
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- }
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- }
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-
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- *dlen = (int)(p - dst);
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-
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- return( 0 );
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-}
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-
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-@implementation Base64
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-
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-+ (NSData *)decodeString:(NSString *)string {
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-
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- char *dst = NULL;
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- int dlen = 0;
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-
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- char *src = (char *)[string UTF8String];
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- int slen = (int)strlen((char *)src);
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-
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- int ret = base64_decode((unsigned char *)dst, &dlen, (unsigned char *)src, slen);
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- if (ret == XYSSL_ERR_BASE64_BUFFER_TOO_SMALL) {
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- dst = (char *)malloc(dlen);
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-// ret = base64_decode((unsigned char *)dst, &dlen, (unsigned char *)src, slen);
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- base64_decode((unsigned char *)dst, &dlen, (unsigned char *)src, slen);
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- }
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-
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- NSData *data = [NSData dataWithBytes:dst length:dlen];
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- if (dst != NULL) {
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- free(dst);
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- }
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- return data;
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-}
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-
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-@end
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-
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-#endif
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-
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-
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-
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