Objective-c 암호화관련
//1. MD5 해쉬 -(NSString*) md5:(NSString*)srcStr { const char *cStr = [srcStr UTF8String]; unsigned char result[CC_MD5_DIGEST_LENGTH]; CC_MD5(cStr, strlen(cStr), result); 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],re..