Class KeyManager

Definition

Namespace:

Tizen.Security.SecureRepository

Assembly:

Tizen.Security.SecureRepository.dll

This class provides the methods for storing, retrieving, and creating keys.

public class KeyManager : Manager

Inheritance

object

Manager

KeyManager

Methods

CreateAesKey(int, string, Policy)

Creates the AES key and stores it inside the secure repository based on each policy.

Declaration

public static void CreateAesKey(int size, string keyAlias, Policy policy)

Parameters

Type	Name	Description
int	size	The size of the key strength to be created. 128, 192 and 256 are supported.
string	keyAlias	The name of key to be stored.
Policy	policy	The policy about how to store the key securely.

Remarks

If the password in policy is provided, the key is additionally encrypted with the password in policy.

Exceptions

Type	Condition
System.ArgumentNullException	The keyAlias or policy is null.
System.ArgumentException	The key size is invalid. keyAlias is in the invalid format.
System.InvalidOperationException	The key with privateKeyAlias or publicKeyAlias does already exist.

CreateDsaKeyPair(int, string, string, Policy, Policy)

Creates the DSA private/public key pair and stores them inside the secure repository based on each policy.

Declaration

public static void CreateDsaKeyPair(int size, string privateKeyAlias, string publicKeyAlias, Policy privateKeyPolicy, Policy publicKeyPolicy)

Parameters

Type	Name	Description
int	size	The size of key strength to be created. 1024, 2048, 3072, and 4096 are supported.
string	privateKeyAlias	The name of private key to be stored.
string	publicKeyAlias	The name of public key to be stored.
Policy	privateKeyPolicy	The policy about how to store a private key securely.
Policy	publicKeyPolicy	The policy about how to store a public key securely.

Remarks

If the password in policy is provided, the key is additionally encrypted with the password in policy.

Exceptions

Type	Condition
System.ArgumentNullException	Any of argument is null.
System.ArgumentException	The size is invalid. privateKeyAlias or publicKeyAlias is invalid format.
System.InvalidOperationException	The key with privateKeyAlias or publicKeyAlias does already exist.

CreateEcdsaKeyPair(EllipticCurveType, string, string, Policy, Policy)

Creates the ECDSA private/public key pair and stores them inside secure repository based on each policy.

Declaration

public static void CreateEcdsaKeyPair(EllipticCurveType type, string privateKeyAlias, string publicKeyAlias, Policy privateKeyPolicy, Policy publicKeyPolicy)

Parameters

Type	Name	Description
EllipticCurveType	type	The type of elliptic curve of ECDSA.
string	privateKeyAlias	The name of private key to be stored.
string	publicKeyAlias	The name of public key to be stored.
Policy	privateKeyPolicy	The policy about how to store a private key securely.
Policy	publicKeyPolicy	The policy about how to store a public key securely.

Remarks

If the password in policy is provided, the key is additionally encrypted with the password in policy.

Exceptions

Type	Condition
System.ArgumentNullException	Any of argument is null.
System.ArgumentException	The elliptic curve type is invalid. privateKeyAlias or publicKeyAlias is in the invalid format.
System.InvalidOperationException	The key with privateKeyAlias or publicKeyAlias does already exist.

CreateRsaKeyPair(int, string, string, Policy, Policy)

Creates the RSA private/public key pair and stores them inside the secure repository based on each policy.

Declaration

public static void CreateRsaKeyPair(int size, string privateKeyAlias, string publicKeyAlias, Policy privateKeyPolicy, Policy publicKeyPolicy)

Parameters

Type	Name	Description
int	size	The size of key strength to be created. 1024, 2048, and 4096 are supported.
string	privateKeyAlias	The name of private key to be stored.
string	publicKeyAlias	The name of public key to be stored.
Policy	privateKeyPolicy	The policy about how to store a private key securely.
Policy	publicKeyPolicy	The policy about how to store a public key securely.

Remarks

If the password in policy is provided, the key is additionally encrypted with the password in policy.

Exceptions

Type	Condition
System.ArgumentNullException	Any of argument is null.
System.ArgumentException	The size is invalid. privateKeyAlias or publicKeyAlias is invalid format.
System.InvalidOperationException	The key with privateKeyAlias or publicKeyAlias does already exist.

Get(string, string)

Gets a key from the secure repository.

Declaration

public static Key Get(string alias, string password)

Parameters

Type	Name	Description
string	alias	The name of a key to retrieve.
string	password	The password used in decrypting a key value. If password of policy is provided in SaveKey(), the same password should be provided.

Returns

Type	Description
Key	A key specified by alias.

Exceptions

Type	Condition
System.ArgumentNullException	The alias argument is null.
System.ArgumentException	The alias argument is in the invalid format.
System.InvalidOperationException	The key does not exist with the alias or the key-protecting password isn't matched.

GetAliases()

Gets all aliases of keys, which the client can access.

Declaration

public static IEnumerable<string> GetAliases()

Returns

Type	Description
System.Collections.Generic.IEnumerable<T><string>	All aliases of keys, which the client can access.

Exceptions

Type	Condition
System.ArgumentException	No alias to get.

Save(string, Key, Policy)

Stores a key inside the secure repository based on the provided policy.

Declaration

public static void Save(string alias, Key key, Policy policy)

Parameters

Type	Name	Description
string	alias	The name of a key to be stored.
Key	key	The key's binary value to be stored.
Policy	policy	The policy about how to store a key securely.

Remarks

The type in key may be set to KeyType.None as an input. The type is determined inside the secure reposioty during storing keys.

Exceptions

Type	Condition
System.ArgumentNullException	Any of argument is null.
System.ArgumentException	The alias argument is in the invalid format. key argument is in the invalid format.
System.InvalidOperationException	The key with alias does already exist.