KeyEncryptionKey (Azure SDK for Java Reference Documentation)

```
public interface KeyEncryptionKey
```
A key which is used to synchronously encrypt, or wrap, another key.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getKeyId()`	Retrieves the key identifier.
`byte[]`	`unwrapKey(String algorithm, byte[] encryptedKey)`	Decrypts the specified encrypted key using the specified algorithm.
`byte[]`	`wrapKey(String algorithm, byte[] key)`	Encrypts the specified key using the specified algorithm.

- Method Detail
  - getKeyId
```
String getKeyId()
```
    Retrieves the key identifier.
    
    Returns:
    
    The key identifier.
  - wrapKey
```
byte[] wrapKey(String algorithm,
               byte[] key)
```
    Encrypts the specified key using the specified algorithm.
    
    Parameters:
    
    algorithm - The key wrap algorithm used to encrypt the specified key.
    
    key - The key content to be encrypted.
    
    Returns:
    
    The encrypted key bytes.
  - unwrapKey
```
byte[] unwrapKey(String algorithm,
                 byte[] encryptedKey)
```
    Decrypts the specified encrypted key using the specified algorithm.
    
    Parameters:
    
    algorithm - The key wrap algorithm which was used to encrypt the specified encrypted key.
    
    encryptedKey - The encrypted key content to be decrypted.
    
    Returns:
    
    The decrypted key bytes.