CipherSuite (Scandium (Sc) Core 2.8.0 API)

java.lang.Object
- java.lang.Enum<CipherSuite>
- - org.eclipse.californium.scandium.dtls.cipher.CipherSuite

All Implemented Interfaces:

Serializable, Comparable<CipherSuite>
```
public enum CipherSuite
extends Enum<CipherSuite>
```
A cipher suite defines a key exchange algorithm, a bulk cipher algorithm, a MAC algorithm, a pseudo random number (PRF) algorithm and a cipher type. See RFC 5246 for details. See Transport Layer Security Parameters for the official codes for the cipher suites.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`CipherSuite.CertificateKeyAlgorithm` Known certificate key algorithm.
`static class`	`CipherSuite.CipherType` Known cipher types.
`static class`	`CipherSuite.KeyExchangeAlgorithm` Known key exchange algorithm names.

Enum Constant Summary

Enum Constants
Enum Constant and Description
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`
`TLS_ECDHE_ECDSA_WITH_AES_128_CCM`
`TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8`
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384`
`TLS_ECDHE_ECDSA_WITH_AES_256_CCM`
`TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8`
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`
`TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256` See RFC 5489 for details
`TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256`
`TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256`
`TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256` Note: compatibility not tested! openssl 1.1.1 seems not supporting them
`TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA378`
`TLS_NULL_WITH_NULL_NULL`
`TLS_PSK_WITH_AES_128_CBC_SHA256`
`TLS_PSK_WITH_AES_128_CCM`
`TLS_PSK_WITH_AES_128_CCM_8`
`TLS_PSK_WITH_AES_128_GCM_SHA256`
`TLS_PSK_WITH_AES_256_CCM`
`TLS_PSK_WITH_AES_256_CCM_8`
`TLS_PSK_WITH_AES_256_GCM_SHA378`

Field Summary

Fields
Modifier and Type Field and Description

static int CIPHER_SUITE_BITS

Fields
Modifier and Type	Field and Description
`static int`	`CIPHER_SUITE_BITS`

Method Summary

Methods
Modifier and Type	Method and Description
`static boolean`	`containsCipherSuiteRequiringCertExchange(List<CipherSuite> cipherSuites)` Checks if a list of cipher suite contains a cipher suite that requires the exchange of certificates.
`static boolean`	`containsEccBasedCipherSuite(List<CipherSuite> cipherSuites)` Checks if a list of cipher suite contains an ECC based cipher.
`static boolean`	`containsPskBasedCipherSuite(List<CipherSuite> cipherSuites)` Checks if a list of cipher suite contains an PSK based cipher.
`static List<CipherSuite>`	`getCertificateCipherSuites(boolean recommendedCipherSuitesOnly, String keyAlgorithm)` Get a list of all supported cipher suites with the provided key algorithm.
`CipherSuite.CertificateKeyAlgorithm`	`getCertificateKeyAlgorithm()` Gets the certificate key algorithm of the cipher suite.
`static List<CipherSuite>`	`getCipherSuitesByKeyExchangeAlgorithm(boolean recommendedCipherSuitesOnly, boolean orderedByKeyExchangeAlgorithm, List<CipherSuite.KeyExchangeAlgorithm> keyExchangeAlgorithms)` Get a list of all cipher suites using the provided key exchange algorithms.
`static List<CipherSuite>`	`getCipherSuitesByKeyExchangeAlgorithm(boolean recommendedCipherSuitesOnly, CipherSuite.KeyExchangeAlgorithm... keyExchangeAlgorithms)` Get a list of all cipher suites using the provided key exchange algorithms.
`CipherSuite.CipherType`	`getCipherType()` Gets the type of cipher used for encrypting data.
`int`	`getCode()` Gets the 16-bit IANA assigned identification code of the cipher suite.
`static List<CipherSuite>`	`getEcdsaCipherSuites(boolean recommendedCipherSuitesOnly)` Get a list of all supported ECDSA cipher suites.
`int`	`getEncKeyLength()` Gets the length of the bulk cipher algorithm's encoding key.
`int`	`getFixedIvLength()` Gets the length of the fixed initialization vector (IV) of the cipher suite's bulk cipher algorithm.
`CipherSuite.KeyExchangeAlgorithm`	`getKeyExchange()` Gets the key exchange algorithm the cipher suite employs to generate a pre-master secret.
`int`	`getMacKeyLength()` Gets the key length of the cipher suite's MAC algorithm.
`int`	`getMacLength()` Gets the output length of the cipher suite's MAC algorithm.
`int`	`getMacMessageBlockLength()` Get the message block length of hash function.
`int`	`getMacMessageLengthBytes()` Get the number of bytes used to encode the message length for hmac function.
`String`	`getMacName()` Gets the name of the cipher suite's MAC algorithm.
`int`	`getMaxCiphertextExpansion()` Get maximum expansion of cipher text using this cipher suite.
`String`	`getMessageDigestName()` Gets the name of the message digest (hash) function used by the cipher suite MAC.
`static int`	`getOverallMaxCiphertextExpansion()` Get the overall maximum ciphertext expansion for all cipher suite.
`String`	`getPseudoRandomFunctionMacName()` Gets the pseudo-random function used by the cipher suite to create (pseudo-)random data from a seed.
`String`	`getPseudoRandomFunctionMessageDigestName()` Gets the name of the pseudo-random message digest (hash) function used by the cipher suite to create the hash over the handshake messages.
`static List<CipherSuite>`	`getPskCipherSuites(boolean recommendedCipherSuitesOnly, boolean ecdhePsk)` Deprecated. use `getCipherSuitesByKeyExchangeAlgorithm(boolean, KeyExchangeAlgorithm...)`
`int`	`getRecordIvLength()` Gets the amount of data needed to be generated for the cipher's initialization vector.
`Cipher`	`getThreadLocalCipher()` Gets the thread local cipher used by this cipher suite.
`Mac`	`getThreadLocalMac()` Gets the thread local MAC used by this cipher suite.
`MessageDigest`	`getThreadLocalMacMessageDigest()` Gets the thread local message digest used by this cipher suite.
`Mac`	`getThreadLocalPseudoRandomFunctionMac()` Gets the thread local MAC used by the pseudo random function of this cipher suite.
`MessageDigest`	`getThreadLocalPseudoRandomFunctionMessageDigest()` Gets the thread local message digest used by the pseudo random function of this cipher suite.
`String`	`getTransformation()` Gets the Java Cryptography Architecture transformation corresponding to the suite's underlying cipher algorithm.
`static CipherSuite`	`getTypeByCode(int code)` Gets a cipher suite by its numeric code.
`static CipherSuite`	`getTypeByName(String name)` Gets a cipher suite by its (official) name.
`static List<CipherSuite>`	`getTypesByNames(String... names)` Gets a list of cipher suites by their (official) names.
`boolean`	`isEccBased()` Checks whether this cipher suite uses elliptic curve cryptography (ECC).
`boolean`	`isPskBased()` Checks whether this cipher suite use PSK key exchange.
`boolean`	`isRecommended()` Check whether this cipher suite is recommended.
`boolean`	`isSupported()` Checks whether this cipher suite is supported by the jvm implementation.
`static List<CipherSuite>`	`listFromByteArray(byte[] byteArray, int numElements)` Deprecated. use `listFromReader(DatagramReader)`
`static List<CipherSuite>`	`listFromReader(org.eclipse.californium.elements.util.DatagramReader reader)` Decode cipher suite list from reader.
`static byte[]`	`listToByteArray(List<CipherSuite> cipherSuites)` Transform a list of cipher suites into the appropriate bit-format.
`boolean`	`requiresServerCertificateMessage()` Checks whether this cipher suite requires the server to send a CERTIFICATE message during the handshake.
`static CipherSuite`	`valueOf(String name)` Returns the enum constant of this type with the specified name.
`static CipherSuite[]`	`values()` Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256
```
public static final CipherSuite TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256
```
    Note: compatibility not tested! openssl 1.1.1 seems not supporting them
  - TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA378
```
public static final CipherSuite TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA378
```
  - TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256
```
public static final CipherSuite TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256
```
  - TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256
```
public static final CipherSuite TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256
```
  - TLS_PSK_WITH_AES_128_GCM_SHA256
```
public static final CipherSuite TLS_PSK_WITH_AES_128_GCM_SHA256
```
  - TLS_PSK_WITH_AES_256_GCM_SHA378
```
public static final CipherSuite TLS_PSK_WITH_AES_256_GCM_SHA378
```
  - TLS_PSK_WITH_AES_128_CCM_8
```
public static final CipherSuite TLS_PSK_WITH_AES_128_CCM_8
```
  - TLS_PSK_WITH_AES_256_CCM_8
```
public static final CipherSuite TLS_PSK_WITH_AES_256_CCM_8
```
  - TLS_PSK_WITH_AES_128_CCM
```
public static final CipherSuite TLS_PSK_WITH_AES_128_CCM
```
  - TLS_PSK_WITH_AES_256_CCM
```
public static final CipherSuite TLS_PSK_WITH_AES_256_CCM
```
  - TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
```
public static final CipherSuite TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
```
    See RFC 5489 for details
  - TLS_PSK_WITH_AES_128_CBC_SHA256
```
public static final CipherSuite TLS_PSK_WITH_AES_128_CBC_SHA256
```
  - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
```
  - TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
```
  - TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
```
  - TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
```
  - TLS_ECDHE_ECDSA_WITH_AES_128_CCM
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_128_CCM
```
  - TLS_ECDHE_ECDSA_WITH_AES_256_CCM
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_256_CCM
```
  - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
```
  - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
```
  - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
```
public static final CipherSuite TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
```
  - TLS_NULL_WITH_NULL_NULL
```
public static final CipherSuite TLS_NULL_WITH_NULL_NULL
```
- Field Detail
  - CIPHER_SUITE_BITS
```
public static final int CIPHER_SUITE_BITS
```
    See Also:
    Constant Field Values
- Method Detail
  - values
```
public static CipherSuite[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
```
for (CipherSuite c : CipherSuite.values())
    System.out.println(c);
```
    Returns:
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static CipherSuite valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    name - the name of the enum constant to be returned.
    
    Returns:
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null
  - getMaxCiphertextExpansion
```
public int getMaxCiphertextExpansion()
```
    Get maximum expansion of cipher text using this cipher suite. Includes MAC, explicit nonce, and padding.
    
    Returns:
    maxnium expansion of this cipher suite
    See Also:
    getMacLength(), getRecordIvLength()
  - getTransformation
```
public String getTransformation()
```
    Gets the Java Cryptography Architecture transformation corresponding to the suite's underlying cipher algorithm. The name can be used to instantiate a javax.crypto.Cipher object (if a security provider is available in the JVM supporting the transformation). See Java Security Documentation.
    
    Returns:
    the transformation
  - getThreadLocalCipher
```
public Cipher getThreadLocalCipher()
```
    Gets the thread local cipher used by this cipher suite.
    
    Returns:
    the cipher, or null, if the cipher is not supported by the java-vm.
  - getCode
```
public int getCode()
```
    Gets the 16-bit IANA assigned identification code of the cipher suite. See TLS Cipher Suite Registry.
    
    Returns:
    the identification code
  - getCertificateKeyAlgorithm
```
public CipherSuite.CertificateKeyAlgorithm getCertificateKeyAlgorithm()
```
    Gets the certificate key algorithm of the cipher suite.
    
    Returns:
    the algorithm
  - getKeyExchange
```
public CipherSuite.KeyExchangeAlgorithm getKeyExchange()
```
    Gets the key exchange algorithm the cipher suite employs to generate a pre-master secret.
    
    Returns:
    the algorithm
  - requiresServerCertificateMessage
```
public boolean requiresServerCertificateMessage()
```
    Checks whether this cipher suite requires the server to send a CERTIFICATE message during the handshake.
    
    Returns:
    true if the message is required
  - isPskBased
```
public boolean isPskBased()
```
    Checks whether this cipher suite use PSK key exchange.
    
    Returns:
    true if PSK key exchange is used
  - isEccBased
```
public boolean isEccBased()
```
    Checks whether this cipher suite uses elliptic curve cryptography (ECC).
    
    Returns:
    true if ECC is used
  - isSupported
```
public boolean isSupported()
```
    Checks whether this cipher suite is supported by the jvm implementation.
    
    Returns:
    true if cipher suite is supported
  - isRecommended
```
public boolean isRecommended()
```
    Check whether this cipher suite is recommended.
    
    Returns:
    true if cipher suite is recommended
  - getMacName
```
public String getMacName()
```
    Gets the name of the cipher suite's MAC algorithm. The name can be used to instantiate a javax.crypto.Mac instance. See Java Security Documentation.
    
    Returns:
    the name or null for the NULL MAC
  - getMessageDigestName
```
public String getMessageDigestName()
```
    Gets the name of the message digest (hash) function used by the cipher suite MAC. The name can be used to instantiate a java.security.MessageDigest instance. See Java Security Documentation.
    
    Returns:
    the name or null for the NULL MAC
  - getThreadLocalMac
```
public Mac getThreadLocalMac()
```
    Gets the thread local MAC used by this cipher suite.
    
    Returns:
    mac, or null, if not supported by vm.
  - getThreadLocalMacMessageDigest
```
public MessageDigest getThreadLocalMacMessageDigest()
```
    Gets the thread local message digest used by this cipher suite.
    
    Returns:
    message digest, or null, if not supported by vm.
  - getMacLength
```
public int getMacLength()
```
    Gets the output length of the cipher suite's MAC algorithm.
    
    Returns:
    the length in bytes
  - getMacKeyLength
```
public int getMacKeyLength()
```
    Gets the key length of the cipher suite's MAC algorithm.
    
    Returns:
    the length in bytes
  - getMacMessageBlockLength
```
public int getMacMessageBlockLength()
```
    Get the message block length of hash function.
    
    Returns:
    message block length in bytes
  - getMacMessageLengthBytes
```
public int getMacMessageLengthBytes()
```
    Get the number of bytes used to encode the message length for hmac function.
    
    Returns:
    number of bytes for message length
  - getRecordIvLength
```
public int getRecordIvLength()
```
    Gets the amount of data needed to be generated for the cipher's initialization vector. Zero for stream ciphers; equal to the block size for block ciphers (this is equal to SecurityParameters.record_iv_length).
    
    Returns:
    the length in bytes
  - getFixedIvLength
```
public int getFixedIvLength()
```
    Gets the length of the fixed initialization vector (IV) of the cipher suite's bulk cipher algorithm. This is only relevant for AEAD based cipher suites.
    
    Returns:
    the length in bytes
  - getPseudoRandomFunctionMacName
```
public String getPseudoRandomFunctionMacName()
```
    Gets the pseudo-random function used by the cipher suite to create (pseudo-)random data from a seed. The name can be used to instantiate a javax.crypto.Mac instance. See Java Security Documentation.
    
    Returns:
    the name of the pseudo-random function
  - getPseudoRandomFunctionMessageDigestName
```
public String getPseudoRandomFunctionMessageDigestName()
```
    Gets the name of the pseudo-random message digest (hash) function used by the cipher suite to create the hash over the handshake messages. The name can be used to instantiate a java.security.MessageDigest instance. See Java Security Documentation.
    
    Returns:
    the name of the message digest
  - getThreadLocalPseudoRandomFunctionMac
```
public Mac getThreadLocalPseudoRandomFunctionMac()
```
    Gets the thread local MAC used by the pseudo random function of this cipher suite.
    
    Returns:
    mac, or null, if not supported by vm.
  - getThreadLocalPseudoRandomFunctionMessageDigest
```
public MessageDigest getThreadLocalPseudoRandomFunctionMessageDigest()
```
    Gets the thread local message digest used by the pseudo random function of this cipher suite.
    
    Returns:
    message digest, or null, if not supported by vm.
  - getCipherType
```
public CipherSuite.CipherType getCipherType()
```
    Gets the type of cipher used for encrypting data.
    
    Returns:
    the type
  - getEncKeyLength
```
public int getEncKeyLength()
```
    Gets the length of the bulk cipher algorithm's encoding key.
    
    Returns:
    the length in bytes
  - getOverallMaxCiphertextExpansion
```
public static int getOverallMaxCiphertextExpansion()
```
    Get the overall maximum ciphertext expansion for all cipher suite.
    
    Returns:
    overall maximum ciphertext expansion.
  - getPskCipherSuites
```
@Deprecated
public static List<CipherSuite> getPskCipherSuites(boolean recommendedCipherSuitesOnly,
                                              boolean ecdhePsk)
```
    Deprecated. use getCipherSuitesByKeyExchangeAlgorithm(boolean, KeyExchangeAlgorithm...)
    
    Get a list of all supported PSK cipher suites.
    
    Parameters:
    recommendedCipherSuitesOnly - true use only recommended cipher suites
    ecdhePsk - true include ECDHE_PSK cipher suites
    
    Returns:
    list of all supported PSK cipher suites. Ordered by their definition above.
  - getCipherSuitesByKeyExchangeAlgorithm
```
public static List<CipherSuite> getCipherSuitesByKeyExchangeAlgorithm(boolean recommendedCipherSuitesOnly,
                                                      CipherSuite.KeyExchangeAlgorithm... keyExchangeAlgorithms)
```
    Get a list of all cipher suites using the provided key exchange algorithms.
    
    Parameters:
    recommendedCipherSuitesOnly - true use only recommended cipher suites
    keyExchangeAlgorithms - list of key exchange algorithms to select cipher suites
    
    Returns:
    list of all cipher suites. Ordered by their definition above.
    
    Throws:
    
    NullPointerException - if keyExchangeAlgorithms is null
    
    IllegalArgumentException - if keyExchangeAlgorithms is empty
  - getCipherSuitesByKeyExchangeAlgorithm
```
public static List<CipherSuite> getCipherSuitesByKeyExchangeAlgorithm(boolean recommendedCipherSuitesOnly,
                                                      boolean orderedByKeyExchangeAlgorithm,
                                                      List<CipherSuite.KeyExchangeAlgorithm> keyExchangeAlgorithms)
```
    Get a list of all cipher suites using the provided key exchange algorithms.
    
    Parameters:
    recommendedCipherSuitesOnly - true use only recommended cipher suites
    orderedByKeyExchangeAlgorithm - true to order the cipher suites by order of key exchange algorithms, false to use the order by their definition above.
    keyExchangeAlgorithms - list of key exchange algorithms to select cipher suites
    
    Returns:
    list of all cipher suites. Ordered as specified by the provided orderedByKeyExchangeAlgorithm.
    
    Throws:
    
    NullPointerException - if keyExchangeAlgorithms is null
    
    IllegalArgumentException - if keyExchangeAlgorithms is empty
    Since:
    
    2.3
  - getEcdsaCipherSuites
```
public static List<CipherSuite> getEcdsaCipherSuites(boolean recommendedCipherSuitesOnly)
```
    Get a list of all supported ECDSA cipher suites.
    
    Parameters:
    recommendedCipherSuitesOnly - true use only recommended cipher suites
    
    Returns:
    list of all supported ECDSA cipher suites. Ordered by their definition above.
  - getCertificateCipherSuites
```
public static List<CipherSuite> getCertificateCipherSuites(boolean recommendedCipherSuitesOnly,
                                           String keyAlgorithm)
```
    Get a list of all supported cipher suites with the provided key algorithm. Note: currently only ECDSA is supported. There are no plans to support other key algorithm
    
    Parameters:
    recommendedCipherSuitesOnly - true use only recommended cipher suites
    keyAlgorithm - name of key algorithm. e.g. "EC"
    
    Returns:
    list of all supported cipher suites with the provided key algorithm. Ordered by their definition above.
  - getTypeByCode
```
public static CipherSuite getTypeByCode(int code)
```
    Gets a cipher suite by its numeric code.
    
    Parameters:
    code - the cipher's IANA assigned code
    
    Returns:
    the cipher suite or null if the code is unknown
  - getTypeByName
```
public static CipherSuite getTypeByName(String name)
```
    Gets a cipher suite by its (official) name.
    
    Parameters:
    name - the cipher's IANA assigned name
    
    Returns:
    the cipher suite or null if the name is unknown
  - getTypesByNames
```
public static List<CipherSuite> getTypesByNames(String... names)
```
    Gets a list of cipher suites by their (official) names.
    
    Parameters:
    names - the cipher's IANA assigned names
    
    Returns:
    the list of cipher suite
    
    Throws:
    
    IllegalArgumentException - if at least one name is not available.
    Since:
    
    2.5
  - containsPskBasedCipherSuite
```
public static boolean containsPskBasedCipherSuite(List<CipherSuite> cipherSuites)
```
    Checks if a list of cipher suite contains an PSK based cipher.
    
    Parameters:
    cipherSuites - The cipher suites to check.
    
    Returns:
    true, if the list contains an PSK based cipher suite, false, otherwise.
  - containsEccBasedCipherSuite
```
public static boolean containsEccBasedCipherSuite(List<CipherSuite> cipherSuites)
```
    Checks if a list of cipher suite contains an ECC based cipher.
    
    Parameters:
    cipherSuites - The cipher suites to check.
    
    Returns:
    true, if the list contains an ECC based cipher suite, false, otherwise.
  - containsCipherSuiteRequiringCertExchange
```
public static boolean containsCipherSuiteRequiringCertExchange(List<CipherSuite> cipherSuites)
```
    Checks if a list of cipher suite contains a cipher suite that requires the exchange of certificates.
    
    Parameters:
    cipherSuites - The cipher suites to check.
    
    Returns:
    true if any of the cipher suites requires the exchange of certificates, false otherwise.
  - listToByteArray
```
public static byte[] listToByteArray(List<CipherSuite> cipherSuites)
```
    Transform a list of cipher suites into the appropriate bit-format.
    
    Parameters:
    cipherSuites - the cipher suites
    
    Returns:
    the byte[]
  - listFromByteArray
```
@Deprecated
public static List<CipherSuite> listFromByteArray(byte[] byteArray,
                                             int numElements)
```
    Deprecated. use listFromReader(DatagramReader)
    
    Decode cipher suite list from byte array.
    
    Parameters:
    byteArray - byte array with encoded cipher suites
    numElements - number of encoded cipher suites
    
    Returns:
    list of cipher suites
    
    Throws:
    
    IllegalArgumentException - if provided number of cipher suites doesn't macht the provided byte array
  - listFromReader
```
public static List<CipherSuite> listFromReader(org.eclipse.californium.elements.util.DatagramReader reader)
```
    Decode cipher suite list from reader.
    
    Parameters:
    reader - reader with encoded cipher suites
    
    Returns:
    list of cipher suites
    
    Throws:
    
    IllegalArgumentException - if a decode error occurs

Enum CipherSuite

Nested Class Summary

Enum Constant Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Enum

Methods inherited from class java.lang.Object

Enum Constant Detail

TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256

TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA378

TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256

TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256

TLS_PSK_WITH_AES_128_GCM_SHA256

TLS_PSK_WITH_AES_256_GCM_SHA378

TLS_PSK_WITH_AES_128_CCM_8

TLS_PSK_WITH_AES_256_CCM_8

TLS_PSK_WITH_AES_128_CCM

TLS_PSK_WITH_AES_256_CCM

TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256

TLS_PSK_WITH_AES_128_CBC_SHA256

TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384

TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8

TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8

TLS_ECDHE_ECDSA_WITH_AES_128_CCM

TLS_ECDHE_ECDSA_WITH_AES_256_CCM

TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA

TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256

TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384

TLS_NULL_WITH_NULL_NULL

Field Detail

CIPHER_SUITE_BITS

Method Detail

values

valueOf

getMaxCiphertextExpansion

getTransformation

getThreadLocalCipher

getCode

getCertificateKeyAlgorithm

getKeyExchange

requiresServerCertificateMessage

isPskBased

isEccBased

isSupported

isRecommended

getMacName

getMessageDigestName

getThreadLocalMac

getThreadLocalMacMessageDigest

getMacLength

getMacKeyLength

getMacMessageBlockLength

getMacMessageLengthBytes

getRecordIvLength

getFixedIvLength

getPseudoRandomFunctionMacName

getPseudoRandomFunctionMessageDigestName

getThreadLocalPseudoRandomFunctionMac

getThreadLocalPseudoRandomFunctionMessageDigest

getCipherType

getEncKeyLength

getOverallMaxCiphertextExpansion

getPskCipherSuites

getCipherSuitesByKeyExchangeAlgorithm

getCipherSuitesByKeyExchangeAlgorithm

getEcdsaCipherSuites

getCertificateCipherSuites

getTypeByCode

getTypeByName

getTypesByNames

containsPskBasedCipherSuite

containsEccBasedCipherSuite

containsCipherSuiteRequiringCertExchange

listToByteArray

listFromByteArray

listFromReader