Created
September 11, 2011 18:08
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md5 for NSString and NSData
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@interface NSString (md5) | |
- (NSString*)md5; | |
@end | |
@interface NSData (md5) | |
- (NSString*)md5; | |
@end |
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#import "md5.h" | |
#import <CommonCrypto/CommonDigest.h> // Need to import for CC_MD5 access | |
@implementation NSString (md5) | |
- (NSString*)md5 | |
{ | |
const char *cStr = [self UTF8String]; | |
unsigned char result[16]; | |
CC_MD5( cStr, strlen(cStr), result ); // This is the md5 call | |
return [NSString stringWithFormat: | |
@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
result[0], result[1], result[2], result[3], | |
result[4], result[5], result[6], result[7], | |
result[8], result[9], result[10], result[11], | |
result[12], result[13], result[14], result[15] | |
]; | |
} | |
@end | |
@implementation NSData (md5) | |
- (NSString*)md5 | |
{ | |
unsigned char result[16]; | |
CC_MD5( self.bytes, self.length, result ); // This is the md5 call | |
return [NSString stringWithFormat: | |
@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
result[0], result[1], result[2], result[3], | |
result[4], result[5], result[6], result[7], | |
result[8], result[9], result[10], result[11], | |
result[12], result[13], result[14], result[15] | |
]; | |
} | |
@end |
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