IOS MD5 + Base64加密

#import <Foundation/Foundation.h>

@interface Encryption : NSObject

{

}
-(void)encryption;
@property (nonatomic, retain) NSString *SetEncryption;
@property (nonatomic, retain) NSString *GetEncryption;@end

#import "Encryption.h"
#import <CommonCrypto/CommonDigest.h>
@implementation Encryption
-(void)encryption{
// MD5加密
NSString *a =[self md5:_SetEncryption];
//Base64加密
NSData* originData = [a dataUsingEncoding:NSASCIIStringEncoding];
_GetEncryption = [originData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];
}
- (NSString *) md5:(NSString *)str
{
const char *cStr = [str UTF8String];
unsigned char digest[CC_MD5_DIGEST_LENGTH];
CC_MD5(cStr, (CC_LONG)strlen(cStr), digest);
NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
[output appendFormat:@"%02x", digest[i]];
return output;
}
@end