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java.lang.Object org.apache.hadoop.security.token.SecretManager<T>
T
- The type of the token identifierpublic abstract class SecretManager<T extends TokenIdentifier>
The server-side secret manager for each token type.
Nested Class Summary | |
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static class |
SecretManager.InvalidToken
The token was invalid and the message explains why. |
Constructor Summary | |
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SecretManager()
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Method Summary | |
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abstract T |
createIdentifier()
Create an empty token identifier. |
protected static byte[] |
createPassword(byte[] identifier,
SecretKey key)
Compute HMAC of the identifier using the secret key and return the output as password |
protected abstract byte[] |
createPassword(T identifier)
Create the password for the given identifier. |
protected static SecretKey |
createSecretKey(byte[] key)
Convert the byte[] to a secret key |
protected SecretKey |
generateSecret()
Generate a new random secret key. |
abstract byte[] |
retrievePassword(T identifier)
Retrieve the password for the given token identifier. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SecretManager()
Method Detail |
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protected abstract byte[] createPassword(T identifier)
identifier
- the identifier to use
public abstract byte[] retrievePassword(T identifier) throws SecretManager.InvalidToken
identifier
- the identifier to validate
SecretManager.InvalidToken
- the token was invalidpublic abstract T createIdentifier()
protected SecretKey generateSecret()
protected static byte[] createPassword(byte[] identifier, SecretKey key)
identifier
- the bytes of the identifierkey
- the secret key
protected static SecretKey createSecretKey(byte[] key)
key
- the byte[] to create a secret key from
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