我有加密的文件和公钥。如何在不安装证书的情况下从应用程序解密它?
文件 public.key 看起来像“e+ztydr5GG7saZyrIOtSWGQgHlQbuFn1IVlIIggPIWuLUNTOqN0Y...”
下面是一些代码:
NSString* filePath = [[NSBundle mainBundle] pathForResource:@"public" ofType:@"key"];
NSData* publicKeyData = [NSData dataWithContentsOfFile:filePath];
NSMutableDictionary * queryPublicKey = [[NSMutableDictionary alloc] init];
[queryPublicKey setObject:(id)kSecClassKey forKey:(id)kSecClass];
[queryPublicKey setObject:publicKeyData forKey:(id)kSecAttrApplicationTag];
[queryPublicKey setObject:(id)kSecAttrKeyTypeRSA forKey:(id)kSecAttrKeyType];
[queryPublicKey setObject:[NSNumber numberWithBool:YES] forKey:(id)kSecReturnRef];
OSStatus resultCode = noErr;
SecKeyRef publicKeyReference = NULL;
resultCode = SecItemCopyMatching((CFDictionaryRef)queryPublicKey, (CFTypeRef*)&publicKeyReference);
但是 resultCode = -25300(在钥匙串中找不到指定的项目)。我做错了什么?有什么建议么?