java.lang.Object
- org.syncany.crypto.CipherParams

```
public abstract class CipherParams
extends java.lang.Object
```
Defines important crypto constants used in the application.
Warning: The class defines constants that (if changed) can lead to invalidated ciphertext data. Do not change any of these parameters unless you know what you are doing!

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`CERTIFICATE_IDENTIFIER`	Certificate alias used to identify server certificate in the key store.
`static java.lang.String`	`CERTIFICATE_KEYPAIR_ALGORITHM`	Key generation algorithm name used for the key pair generation (used for the self-signed certificate).
`static int`	`CERTIFICATE_KEYPAIR_SIZE`	Key size used for the key pair generation (used for the self-signed certificate).
`static java.lang.String`	`CERTIFICATE_ORGANIZATION`	Organization (O) set in the RDN of the self-signed certificate.
`static java.lang.String`	`CERTIFICATE_ORGUNIT`	Organizational unit (OU) set in the RDN of the self-signed certificate.
`static java.security.Provider`	`CRYPTO_PROVIDER`	Defines the cryptography provider used in the application.
`static java.lang.String`	`CRYPTO_PROVIDER_ID`	Defines the name of the cryptography provider.
`static org.bouncycastle.crypto.Digest`	`KEY_DERIVATION_DIGEST`	Hash function used in the HKDF key derivation algorithm for deriving keys from a master key.
`static byte[]`	`KEY_DERIVATION_INFO`	Additional info used in the HKDF key derivation algorithm.
`static java.lang.String`	`MASTER_KEY_DERIVATION_FUNCTION`	Password-based key derivation function used to generate the master key from the user's password.
`static int`	`MASTER_KEY_DERIVATION_ROUNDS`	Number of rounds the password-based key derivation function is applied during the master key generation process.
`static int`	`MASTER_KEY_SALT_SIZE`	Size of the salt used to generate the master key.
`static int`	`MASTER_KEY_SIZE`	Size of a generated master key (in bits).

Constructor Summary

Constructors
Constructor Description

CipherParams()

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - CRYPTO_PROVIDER_ID
```
public static final java.lang.String CRYPTO_PROVIDER_ID
```
    Defines the name of the cryptography provider. The constant is used during crypto provider registration, as well as to instantiate cipher algorithms.
    
    See Also:
    
    CRYPTO_PROVIDER, Constant Field Values
  - CRYPTO_PROVIDER
```
public static final java.security.Provider CRYPTO_PROVIDER
```
    Defines the cryptography provider used in the application. The provider registration is done in the cipher utility class.
    
    See Also:
    
    CRYPTO_PROVIDER_ID
  - MASTER_KEY_DERIVATION_FUNCTION
```
public static final java.lang.String MASTER_KEY_DERIVATION_FUNCTION
```
    Password-based key derivation function used to generate the master key from the user's password.
    Warning: Changing this constant may lead to unrecoverable ciphertext data Do not change this constant unless you know what you are doing!
    
    See Also:
    
    MASTER_KEY_DERIVATION_ROUNDS, MASTER_KEY_SIZE, MASTER_KEY_SALT_SIZE, Constant Field Values
  - MASTER_KEY_DERIVATION_ROUNDS
```
public static final int MASTER_KEY_DERIVATION_ROUNDS
```
    Number of rounds the password-based key derivation function is applied during the master key generation process.
    Warning: Changing this constant may lead to unrecoverable ciphertext data Do not change this constant unless you know what you are doing!
    
    See Also:
    
    MASTER_KEY_DERIVATION_FUNCTION, MASTER_KEY_SIZE, MASTER_KEY_SALT_SIZE, Constant Field Values
  - MASTER_KEY_SIZE
```
public static final int MASTER_KEY_SIZE
```
    Size of a generated master key (in bits). This value is used during the key generation by the password-based key derivation function.
    Warning: Changing this constant may lead to unrecoverable ciphertext data Do not change this constant unless you know what you are doing!
    
    See Also:
    
    MASTER_KEY_DERIVATION_FUNCTION, MASTER_KEY_DERIVATION_ROUNDS, MASTER_KEY_SALT_SIZE, Constant Field Values
  - MASTER_KEY_SALT_SIZE
```
public static final int MASTER_KEY_SALT_SIZE
```
    Size of the salt used to generate the master key. This value is used during the key generation by the password-based key derivation function.
    Warning: Changing this constant may lead to unrecoverable ciphertext data Do not change this constant unless you know what you are doing!
    
    See Also:
    
    MASTER_KEY_DERIVATION_FUNCTION, MASTER_KEY_DERIVATION_ROUNDS, MASTER_KEY_SIZE, Constant Field Values
  - KEY_DERIVATION_DIGEST
```
public static final org.bouncycastle.crypto.Digest KEY_DERIVATION_DIGEST
```
    Hash function used in the HKDF key derivation algorithm for deriving keys from a master key.
    Warning: Changing this constant may lead to unrecoverable ciphertext data Do not change this constant unless you know what you are doing!
    
    See Also:
    
    KEY_DERIVATION_INFO
  - KEY_DERIVATION_INFO
```
public static final byte[] KEY_DERIVATION_INFO
```
    Additional info used in the HKDF key derivation algorithm.
    Warning: Changing this constant may lead to unrecoverable ciphertext data Do not change this constant unless you know what you are doing!
    
    See Also:
    
    KEY_DERIVATION_DIGEST
  - CERTIFICATE_KEYPAIR_ALGORITHM
```
public static final java.lang.String CERTIFICATE_KEYPAIR_ALGORITHM
```
    Key generation algorithm name used for the key pair generation (used for the self-signed certificate).
    
    See Also:
    
    Constant Field Values
  - CERTIFICATE_KEYPAIR_SIZE
```
public static final int CERTIFICATE_KEYPAIR_SIZE
```
    Key size used for the key pair generation (used for the self-signed certificate).
    
    See Also:
    
    Constant Field Values
  - CERTIFICATE_IDENTIFIER
```
public static final java.lang.String CERTIFICATE_IDENTIFIER
```
    Certificate alias used to identify server certificate in the key store.
    
    See Also:
    
    Constant Field Values
  - CERTIFICATE_ORGANIZATION
```
public static final java.lang.String CERTIFICATE_ORGANIZATION
```
    Organization (O) set in the RDN of the self-signed certificate.
    
    See Also:
    
    Constant Field Values
  - CERTIFICATE_ORGUNIT
```
public static final java.lang.String CERTIFICATE_ORGUNIT
```
    Organizational unit (OU) set in the RDN of the self-signed certificate.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - CipherParams
```
public CipherParams()
```

Class CipherParams

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CRYPTO_PROVIDER_ID

CRYPTO_PROVIDER

MASTER_KEY_DERIVATION_FUNCTION

MASTER_KEY_DERIVATION_ROUNDS

MASTER_KEY_SIZE

MASTER_KEY_SALT_SIZE

KEY_DERIVATION_DIGEST

KEY_DERIVATION_INFO

CERTIFICATE_KEYPAIR_ALGORITHM

CERTIFICATE_KEYPAIR_SIZE

CERTIFICATE_IDENTIFIER

CERTIFICATE_ORGANIZATION

CERTIFICATE_ORGUNIT

Constructor Detail

CipherParams