diff options
Diffstat (limited to 'Source/SPDataAdditions.m')
-rw-r--r-- | Source/SPDataAdditions.m | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/Source/SPDataAdditions.m b/Source/SPDataAdditions.m index 805692c6..0329395c 100644 --- a/Source/SPDataAdditions.m +++ b/Source/SPDataAdditions.m @@ -33,81 +33,8 @@ #include <openssl/aes.h> #include <openssl/sha.h> -static char base64encodingTable[64] = { -'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P', -'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f', -'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v', -'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/' }; - @implementation NSData (SPDataAdditions) -/* - * Derived from http://colloquy.info/project/browser/trunk/NSDataAdditions.m?rev=1576 - * Created by khammond on Mon Oct 29 2001. - * Formatted by Timothy Hatcher on Sun Jul 4 2004. - * Copyright (c) 2001 Kyle Hammond. All rights reserved. - * Original development by Dave Winer. - * - * Convert self to a base64 encoded NSString - */ -- (NSString *) base64EncodingWithLineLength:(NSUInteger)lineLength { - - const unsigned char *bytes = [self bytes]; - NSUInteger ixtext = 0; - NSUInteger lentext = [self length]; - NSInteger ctremaining = 0; - unsigned char inbuf[3], outbuf[4]; - NSUInteger i = 0; - NSUInteger charsonline = 0, ctcopy = 0; - NSUInteger ix = 0; - - NSMutableString *base64 = [NSMutableString stringWithCapacity:lentext]; - - while(1) { - ctremaining = lentext - ixtext; - if( ctremaining <= 0 ) break; - - for( i = 0; i < 3; i++ ) { - ix = ixtext + i; - if( ix < lentext ) inbuf[i] = bytes[ix]; - else inbuf [i] = 0; - } - - outbuf [0] = (inbuf [0] & 0xFC) >> 2; - outbuf [1] = ((inbuf [0] & 0x03) << 4) | ((inbuf [1] & 0xF0) >> 4); - outbuf [2] = ((inbuf [1] & 0x0F) << 2) | ((inbuf [2] & 0xC0) >> 6); - outbuf [3] = inbuf [2] & 0x3F; - ctcopy = 4; - - switch( ctremaining ) { - case 1: - ctcopy = 2; - break; - case 2: - ctcopy = 3; - break; - } - - for( i = 0; i < ctcopy; i++ ) - [base64 appendFormat:@"%c", base64encodingTable[outbuf[i]]]; - - for( i = ctcopy; i < 4; i++ ) - [base64 appendFormat:@"%c",'=']; - - ixtext += 3; - charsonline += 4; - - if( lineLength > 0 ) { - if (charsonline >= lineLength) { - charsonline = 0; - [base64 appendString:@"\n"]; - } - } - } - - return base64; -} - - (NSData *)dataEncryptedWithPassword:(NSString *)password { // Create a random 128-bit initialization vector |