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NSString+Encryption.h
//// NSString+Encryption.h// haochang//// Created by Administrator on 14-4-15.// Copyright (c) 2014年 Administrator. All rights reserved.//#importNSString+Encryption.m@interface NSString (Encryption)+ (NSString *)md5:(NSString *)str;+ (NSString*) sha1:(NSString *)str;@end
//// NSString+Encryption.m// haochang//// Created by Administrator on 14-4-15.// Copyright (c) 2014年 Administrator. All rights reserved.//#import "NSString+Encryption.h"#import#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define min(a,b) ((a) < (b) ? (a) : (b))#define max(a,b) ((a) > (b) ? (a) : (b))@implementation NSString (Encryption)+ (NSString *)md5:(NSString *)str{ const char *cStr = [str 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] ];}+ (NSString*) sha1:(NSString *)str{ const char *cstr = [str cStringUsingEncoding:NSUTF8StringEncoding]; NSData *data = [NSData dataWithBytes:cstr length:str.length]; uint8_t digest[CC_SHA1_DIGEST_LENGTH]; CC_SHA1(data.bytes, data.length, digest); NSMutableString* output = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2]; for(int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++) [output appendFormat:@"%02x", digest[i]]; return output;}@end
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