我试图从C#服务器发送RSA公钥到iPhone,所以我可以在iPhone上加密信息并在C#服务器中解密。但是,当我在iPhone中保存收到的公钥时,它不会被保存。 我C#创建关键是这样的:在C#中创建的RSA公钥不保存在iPhone钥匙串
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(1024);
byte [] body = rsa.exportCspBlob(false);
在iPhone上我使用苹果SecKeyWrapper
类代码:
NSString *peerName = [NSString stringWithFormat:@"%@%@",peerNamePrefix, serverID ];
NSData * peerTag = [[NSData alloc] initWithBytes:(const void *)[peerName UTF8String] ength:[peerName length]];
NSMutableDictionary * peerPublicKeyAttr = [[NSMutableDictionary alloc] init];
[peerPublicKeyAttr setObject:(id)kSecClassKey forKey:(id)kSecClass];
[peerPublicKeyAttr setObject:(id)kSecAttrKeyTypeRSA forKey:(id)kSecAttrKeyType];
[peerPublicKeyAttr setObject:peerTag forKey:(id)kSecAttrApplicationTag];
[peerPublicKeyAttr setObject:publicKey forKey:(id)kSecValueData];
[peerPublicKeyAttr setObject:[NSNumber numberWithBool:YES] forKey:(id)kSecReturnPersistentRef];
sanityCheck = SecItemAdd((CFDictionaryRef) peerPublicKeyAttr, (CFTypeRef *)&persistPeer);
此操作sanityCheck为0后,这是确定的。但是:
peerKeyRef = [self getKeyRefWithPersistentKeyRef:persistPeer];
返回0x0在peerKeyRef
和密钥不保存。
- (SecKeyRef)getKeyRefWithPersistentKeyRef:(CFTypeRef)persistentRef
{
OSStatus sanityCheck = noErr;
SecKeyRef keyRef = NULL;
LOGGING_FACILITY(persistentRef != NULL, @"persistentRef object cannot be NULL.");
NSMutableDictionary * queryKey = [[NSMutableDictionary alloc] init];
// Set the SecKeyRef query dictionary.
[queryKey setObject:(id)persistentRef forKey:(id)kSecValuePersistentRef];
[queryKey setObject:[NSNumber numberWithBool:YES] forKey:(id)kSecReturnRef];
// Get the persistent key reference.
sanityCheck = SecItemCopyMatching((CFDictionaryRef)queryKey, (CFTypeRef *)&keyRef);
[queryKey release];
return keyRef;
}
忘了说了,从服务器的字节数组有148个字节。 如果我在iPhone上生成RSA密钥,公钥有139个字节。可能是这个问题? –
您是否找到了在iOS中导入XML公钥格式的方法? – yasirmturk