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/*************************************************************************
* *
* CESeCore: CE Security Core *
* *
* This software is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or any later version. *
* *
* See terms of license at gnu.org. *
* *
*************************************************************************/
package org.cesecore.keys.token;
import java.io.IOException;
import java.io.Serializable;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SignatureException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.spec.AlgorithmParameterSpec;
import java.util.List;
import java.util.Properties;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
/** Handles operations of the device producing signatures and handling the private key.
* All Crypto Token plug-ins must implement this interface.
*
* @version $Id: CryptoToken.java 22596 2016-01-18 14:59:25Z mikekushner $
*/
public interface CryptoToken extends Serializable {
static final int STATUS_ACTIVE = 1;
static final int STATUS_OFFLINE = 2;
/** Auto activation property that can be defined in Crypto token properties */
static final String AUTOACTIVATE_PIN_PROPERTY = "pin";
/** Boolean indicating if it should be allowed to extract private keys */
static final String ALLOW_EXTRACTABLE_PRIVATE_KEY = "allow.extractable.privatekey";
/** "|"-separated string of "keyalias;keyspec" pairs that act as placeholders for keyaliases that can be generated later */
static final String KEYPLACEHOLDERS_PROPERTY = "statedump.keytemplates";
static final String KEYPLACEHOLDERS_OUTER_SEPARATOR = "|";
static final String KEYPLACEHOLDERS_INNER_SEPARATOR = ";";
/** Boolean indicating if explicit ECC parameters should be used, instead of named curves which is standard.
* Explicit parameters are only used by ICAO CSCA and DS certificates as defined in ICAO 9303.
*/
static final String EXPLICIT_ECC_PUBLICKEY_PARAMETERS = "explicit.ecc.publickey.parameters";
/** */
static final String TOKENNAME_PROPERTY = "tokenName";
/** Whether non-existent slots should be allowed or throw an NoSuchSlotException */
static final String ALLOW_NONEXISTING_SLOT_PROPERTY = "allow.nonexisting.slot";
/**
* Method called after creation of instance. Gives the object it's properties.
*
* Info contains Crypto Token properties, as entered for all tokens. Properties can create properties used by extending or wrapping classes so the implementing
* class should not delete or remove properties that are unknown to it, but keep them transparently.
* Data contains Crypto Token data, can be null for tokens that don't need it.
*
* @param properties Properties info used to create token, new token or init existing token
* @param data byte[] data as created internally for tokens, can be null for tokens that don't need it
* @param id unique ID of the user of the token, the id is user defined and not used internally for anything but logging.
* @throws Exception
*/
void init(Properties properties, byte[] data, int id) throws Exception;
/** Gets the id that was passed as parameter to init
*
*/
int getId();
/**
* Method used to activate Crypto Tokens when connected after being offline.
*
* @param authenticationcode used to unlock crypto token, i.e PIN for smartcard HSMs. This parameter might be ignored, e.g. for auto-activated soft tokens.
* @throws CryptoTokenOfflineException if Crypto Token is not available or connected.
* @throws CryptoTokenAuthenticationFailedException with error message if authentication to tokens fail.
*/
void activate(char[] authenticationcode) throws CryptoTokenOfflineException, CryptoTokenAuthenticationFailedException;
/**
* Method used to deactivate tokens.
* Used to set a Crypto Token to offline status and to reset the HSMs authorization code.
*
*/
void deactivate();
/** Checks if an alias is in use by a Crypto Token
* @param the alias that we want to check
* @return true if there is a private, public or symmetric entry with this alias in the CryptoToken
*/
boolean isAliasUsed(String alias);
/** Returns the private key (if possible) of token.
* Note that this method does NOT check if the key is permitted to be extracted.
*
* @param alias the key alias to retrieve from the token
* @throws CryptoTokenOfflineException if Crypto Token is not available or connected, or key with alias does not exist.
* @return PrivateKey object
*/
PrivateKey getPrivateKey(String alias) throws CryptoTokenOfflineException;
/** Returns the public key (if possible) of token.
*
* @param alias the key alias to retrieve from the token
* @throws CryptoTokenOfflineException if Crypto Token is not available or connected
* @return the public key, or null if key with the alias does not exist.
*/
PublicKey getPublicKey(String alias) throws CryptoTokenOfflineException;
/** Returns the key (if possible) of token, used for symmetric keys. For assymmetric keys getPrivateKye and getPublic key is recommended..
*
* @param alias the key alias to retrieve from the token
* @throws CryptoTokenOfflineException if Crypto Token is not available or connected, or key with alias does not exist.
* @return Key object
*/
Key getKey(String alias) throws CryptoTokenOfflineException;
/** Deletes an entry in the crypto token
*
* @param alias is a reference to the entry in the token that should be deleted.
* @throws KeyStoreException
* @throws IOException
* @throws CertificateException
* @throws NoSuchAlgorithmException
*/
void deleteEntry(String alias) throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, CryptoTokenOfflineException;
/** Generates a key pair (asymmetric keys) in the crypto token.
*
* @param keySpec all decimal digits RSA key length, otherwise name of ECC curve or DSA key using syntax DSAnnnn
* @param alias the name of the key pair in the crypto token
*/
void generateKeyPair(final String keySpec, final String alias) throws InvalidAlgorithmParameterException,
CryptoTokenOfflineException;
/** Generates a key pair (asymmetric keys) in the crypto token. This method is used when you have an existing PublicKey and
* want to generate a key of the same type. You can use KeyTools to get the AlgorithmParameterSpec from an existing PublicKey.
*
*
* @param spec AlgorithmParameterSpec describing the key pair to be generated
* @param alias the name of the key pair in the crypto token
*/
void generateKeyPair(final AlgorithmParameterSpec spec, final String alias) throws InvalidAlgorithmParameterException, CertificateException,
IOException, CryptoTokenOfflineException;
/** Generates a symmetric key.
*
* @param algorithm symmetric algorithm specified in http://download.oracle.com/javase/1.5.0/docs/api/index.html, suggest AES, DESede or DES
* @param keysize keysize of symmetric key, suggest 128 or 256 for AES, 64 for 168 for DESede and 64 for DES
* @param alias the alias the key will get in the keystore
* @throws NoSuchProviderException
* @throws NoSuchAlgorithmException
* @throws KeyStoreException
*/
void generateKey(final String algorithm, final int keysize, final String alias) throws NoSuchAlgorithmException, NoSuchProviderException, KeyStoreException, CryptoTokenOfflineException,
InvalidKeyException, InvalidAlgorithmParameterException, SignatureException, CertificateException, IOException, NoSuchPaddingException, IllegalBlockSizeException;
/** Returns the signature Provider that should be used to sign things with
* the PrivateKey object returned by this signing device implementation.
* @return String the name of the Provider
*/
String getSignProviderName();
/** Returns the crypto Provider that should be used to encrypt/decrypt things with
* the PrivateKey object returned by this signing device implementation.
* In most cases this is the same as the signature provider.
* @return String the name of the Provider
*/
String getEncProviderName();
/**
* Resets token. Might cure HW failures. It is up to each implementation to implement this or not.
*/
void reset();
/** @return user friendly identifier */
String getTokenName();
/** Set user friendly identifier */
void setTokenName(String tokenName);
/**
* Method that returns the current status of the crypto token.
*
* Returns one of the CryptoToken.STATUS_.. values
*/
int getTokenStatus();
/** Return token properties, can be the same as passed to init, or an updated set
*
* @return Properties can be empty but should never be null
*/
Properties getProperties();
/** Updates dynamic properties for the crypto token. Call this method when a new key string, autoactivation PIN has been set
* and the init method on the crypto token is not called.
* Does not update properties that is only used when token is created, for example P11 slot, this is only updated on recreation of the token.
* @param properties Properties containing the new key properties or other properties, such as activation PIN
*/
void setProperties(Properties properties);
/**
* Stores a new key in this crypto token's keystore.
*
* @param alias The alias for the key
* @param key The key to be stored
* @param chain The associated key chain
* @param password Password to this slot.
* @throws KeyStoreException if keystore for this crypto token has not been initialized
*/
void storeKey(String alias, Key key, Certificate chain[], char[] password) throws KeyStoreException;
/** Stores keystore data (if any) to be used when initializing a new (existing) token with the init method
*
* @return byte[] with keystore data, can be null if not needed for initialization
*/
byte[] getTokenData();
/** Testing a keypair to see that it is usable
*
* @param alias the alias of the key pair to test
* @throws InvalidKeyException if the public key can not be used to verify a string signed by the private key, because the key is wrong or the
* signature operation fails for other reasons such as a NoSuchAlgorithmException or SignatureException.
* @throws CryptoTokenOfflineException if the crypto token is offline
*/
void testKeyPair(String alias) throws InvalidKeyException, CryptoTokenOfflineException; // NOPMD:this is not a junit test
/** Testing a keypair to see that it is usable
*
* @param alias the alias of the key pair to test
* @param publicKey the public key of the key pair
* @param privateKey the private key of the key pair
* @throws InvalidKeyException if the public key can not be used to verify a string signed by the private key, because the key is wrong or the
* signature operation fails for other reasons such as a NoSuchAlgorithmException or SignatureException.
*/
void testKeyPair(final String alias, PublicKey publicKey, PrivateKey privateKey) throws InvalidKeyException;
/**
* Checks if generated private keys are allowed to be extracted.
*
* @return false if the private key is not extractable.
*/
boolean doPermitExtractablePrivateKey();
/**
*
* @return an enumeration of aliases from this token's key store.
* @throws KeyStoreException if the keystore has not been initialized (loaded).
* @throws CryptoTokenOfflineException if the keystore has not been initialized (loaded).
*/
List getAliases() throws KeyStoreException, CryptoTokenOfflineException;
/** @return true if there is an auto activation PIN stored in the token */
boolean isAutoActivationPinPresent();
}
