org.apache.sshd.common.config.keys

Class KeyUtils

java.lang.Object

org.apache.sshd.common.config.keys.KeyUtils

public final class KeyUtils
extends java.lang.Object

Utility class for keys

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.Map<java.lang.Class<?>,PublicKeyEntryDecoder<?,?>>	BY_KEY_CLASS_DECODERS_MAP
private static java.util.Map<java.lang.String,PublicKeyEntryDecoder<?,?>>	BY_KEY_TYPE_DECODERS_MAP
private static java.util.concurrent.atomic.AtomicReference<DigestFactory>	DEFAULT_DIGEST_HOLDER
static DigestFactory	DEFAULT_FINGERPRINT_DIGEST_FACTORY The default Factory of Digests initialized as the value of getDefaultFingerPrintFactory() if not overridden by KEY_FINGERPRINT_FACTORY_PROP or setDefaultFingerPrintFactory(DigestFactory)
static java.math.BigInteger	DEFAULT_RSA_PUBLIC_EXPONENT The most commonly used RSA public key exponent
static java.lang.String	DSS_ALGORITHM Name of algorithm for DSS keys to be used when calling security provider
static java.lang.String	EC_ALGORITHM Name of algorithm for EC keys to be used when calling security provider
static java.lang.String	KEY_FINGERPRINT_FACTORY_PROP System property that can be used to control the default fingerprint factory used for keys.
static java.lang.String	RSA_ALGORITHM Name of algorithm for RSA keys to be used when calling security provider
static java.util.Set<java.nio.file.attribute.PosixFilePermission>	STRICTLY_PROHIBITED_FILE_PERMISSION The Set of PosixFilePermission not allowed if strict permissions are enforced on key files

Constructor Summary

Constructors

Modifier	Constructor and Description
private	KeyUtils()

Method Summary

Modifier and Type	Method and Description
static java.util.AbstractMap.SimpleImmutableEntry<java.lang.Boolean,java.lang.String>	checkFingerPrint(java.lang.String expected, Digest d, java.security.PublicKey key)
static java.util.AbstractMap.SimpleImmutableEntry<java.lang.Boolean,java.lang.String>	checkFingerPrint(java.lang.String expected, Factory<? extends Digest> f, java.security.PublicKey key)
static java.util.AbstractMap.SimpleImmutableEntry<java.lang.Boolean,java.lang.String>	checkFingerPrint(java.lang.String expected, java.security.PublicKey key)
static java.security.KeyPair	cloneKeyPair(java.lang.String keyType, java.security.KeyPair kp) Performs a deep-clone of the original KeyPair - i.e., creates new public/private keys that are clones of the original one
static boolean	compareDSAKeys(java.security.interfaces.DSAPrivateKey k1, java.security.interfaces.DSAPrivateKey k2)
static boolean	compareDSAKeys(java.security.interfaces.DSAPublicKey k1, java.security.interfaces.DSAPublicKey k2)
static boolean	compareDSAParams(java.security.interfaces.DSAParams p1, java.security.interfaces.DSAParams p2)
static boolean	compareECKeys(java.security.interfaces.ECPrivateKey k1, java.security.interfaces.ECPrivateKey k2)
static boolean	compareECKeys(java.security.interfaces.ECPublicKey k1, java.security.interfaces.ECPublicKey k2)
static boolean	compareECParams(java.security.spec.ECParameterSpec s1, java.security.spec.ECParameterSpec s2)
static boolean	compareKeyPairs(java.security.KeyPair k1, java.security.KeyPair k2)
static boolean	compareKeys(java.security.PrivateKey k1, java.security.PrivateKey k2)
static boolean	compareKeys(java.security.PublicKey k1, java.security.PublicKey k2)
static boolean	compareRSAKeys(java.security.interfaces.RSAPrivateKey k1, java.security.interfaces.RSAPrivateKey k2)
static boolean	compareRSAKeys(java.security.interfaces.RSAPublicKey k1, java.security.interfaces.RSAPublicKey k2)
static java.security.PublicKey	findMatchingKey(java.security.PublicKey key, java.util.Collection<? extends java.security.PublicKey> keySet)
static java.security.PublicKey	findMatchingKey(java.security.PublicKey key, java.security.PublicKey... keySet)
static java.security.KeyPair	generateKeyPair(java.lang.String keyType, int keySize)
static DigestFactory	getDefaultFingerPrintFactory()
static java.lang.String	getFingerPrint(Digest d, java.security.PublicKey key)
static java.lang.String	getFingerPrint(Digest d, java.lang.String s)
static java.lang.String	getFingerPrint(Digest d, java.lang.String s, java.nio.charset.Charset charset)
static java.lang.String	getFingerPrint(Factory<? extends Digest> f, java.security.PublicKey key)
static java.lang.String	getFingerPrint(Factory<? extends Digest> f, java.lang.String s)
static java.lang.String	getFingerPrint(Factory<? extends Digest> f, java.lang.String s, java.nio.charset.Charset charset)
static java.lang.String	getFingerPrint(java.security.PublicKey key)
static java.lang.String	getFingerPrint(java.lang.String password)
static java.lang.String	getFingerPrint(java.lang.String password, java.nio.charset.Charset charset)
static int	getKeySize(java.security.Key key) Determines the key size in bits
static java.lang.String	getKeyType(java.security.Key key)
static java.lang.String	getKeyType(java.security.KeyPair kp)
static PublicKeyEntryDecoder<?,?>	getPublicKeyEntryDecoder(java.lang.Class<?> keyType)
static PublicKeyEntryDecoder<?,?>	getPublicKeyEntryDecoder(java.security.Key key)
static PublicKeyEntryDecoder<?,?>	getPublicKeyEntryDecoder(java.security.KeyPair kp)
static PublicKeyEntryDecoder<?,?>	getPublicKeyEntryDecoder(java.lang.String keyType)
static byte[]	getRawFingerprint(Digest d, java.security.PublicKey key)
static byte[]	getRawFingerprint(Factory<? extends Digest> f, java.security.PublicKey key)
static byte[]	getRawFingerprint(java.security.PublicKey key)
static java.security.interfaces.DSAPublicKey	recoverDSAPublicKey(java.security.interfaces.DSAPrivateKey privateKey)
static java.security.interfaces.RSAPublicKey	recoverFromRSAPrivateCrtKey(java.security.interfaces.RSAPrivateCrtKey rsaKey)
static java.security.PublicKey	recoverPublicKey(java.security.PrivateKey key)
static java.security.interfaces.RSAPublicKey	recoverRSAPublicKey(java.math.BigInteger modulus, java.math.BigInteger publicExponent)
static java.security.interfaces.RSAPublicKey	recoverRSAPublicKey(java.math.BigInteger p, java.math.BigInteger q, java.math.BigInteger publicExponent)
static java.security.interfaces.RSAPublicKey	recoverRSAPublicKey(java.security.interfaces.RSAPrivateKey privateKey)
static void	registerPublicKeyEntryDecoder(PublicKeyEntryDecoder<?,?> decoder)
static PublicKeyEntryDecoder<?,?>	registerPublicKeyEntryDecoderForKeyType(java.lang.String keyType, PublicKeyEntryDecoder<?,?> decoder)
static void	registerPublicKeyEntryDecoderKeyTypes(PublicKeyEntryDecoder<?,?> decoder) Registers the specified decoder for all the types it supports
static void	setDefaultFingerPrintFactory(DigestFactory f)
static java.util.NavigableSet<java.lang.String>	unregisterPublicKeyEntryDecoder(PublicKeyEntryDecoder<?,?> decoder)
static PublicKeyEntryDecoder<?,?>	unregisterPublicKeyEntryDecoderForKeyType(java.lang.String keyType) Unregister the decoder registered for the specified key type
static java.util.NavigableSet<java.lang.String>	unregisterPublicKeyEntryDecoderKeyTypes(PublicKeyEntryDecoder<?,?> decoder) Unregisters the specified decoder for all the types it supports
static java.util.AbstractMap.SimpleImmutableEntry<java.lang.String,java.lang.Object>	validateStrictKeyFilePermissions(java.nio.file.Path path, java.nio.file.LinkOption... options) Checks if a path has strict permissions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RSA_ALGORITHM

public static final java.lang.String RSA_ALGORITHM

Name of algorithm for RSA keys to be used when calling security provider

See Also:

Constant Field Values

DEFAULT_RSA_PUBLIC_EXPONENT

public static final java.math.BigInteger DEFAULT_RSA_PUBLIC_EXPONENT

The most commonly used RSA public key exponent

DSS_ALGORITHM

public static final java.lang.String DSS_ALGORITHM

Name of algorithm for DSS keys to be used when calling security provider

See Also:

Constant Field Values

EC_ALGORITHM

public static final java.lang.String EC_ALGORITHM

Name of algorithm for EC keys to be used when calling security provider

See Also:

Constant Field Values

STRICTLY_PROHIBITED_FILE_PERMISSION

public static final java.util.Set<java.nio.file.attribute.PosixFilePermission> STRICTLY_PROHIBITED_FILE_PERMISSION

The Set of PosixFilePermission not allowed if strict permissions are enforced on key files

KEY_FINGERPRINT_FACTORY_PROP

public static final java.lang.String KEY_FINGERPRINT_FACTORY_PROP

System property that can be used to control the default fingerprint factory used for keys. If not set the DEFAULT_FINGERPRINT_DIGEST_FACTORY is used

See Also:

Constant Field Values

DEFAULT_FINGERPRINT_DIGEST_FACTORY

public static final DigestFactory DEFAULT_FINGERPRINT_DIGEST_FACTORY

The default Factory of Digests initialized as the value of getDefaultFingerPrintFactory() if not overridden by KEY_FINGERPRINT_FACTORY_PROP or setDefaultFingerPrintFactory(DigestFactory)

DEFAULT_DIGEST_HOLDER

private static final java.util.concurrent.atomic.AtomicReference<DigestFactory> DEFAULT_DIGEST_HOLDER

BY_KEY_TYPE_DECODERS_MAP

private static final java.util.Map<java.lang.String,PublicKeyEntryDecoder<?,?>> BY_KEY_TYPE_DECODERS_MAP

BY_KEY_CLASS_DECODERS_MAP

private static final java.util.Map<java.lang.Class<?>,PublicKeyEntryDecoder<?,?>> BY_KEY_CLASS_DECODERS_MAP

Constructor Detail

KeyUtils

private KeyUtils()

Method Detail

validateStrictKeyFilePermissions

public static java.util.AbstractMap.SimpleImmutableEntry<java.lang.String,java.lang.Object> validateStrictKeyFilePermissions(java.nio.file.Path path,
                                                                                                                             java.nio.file.LinkOption... options)
                                                                                                                      throws java.io.IOException

Checks if a path has strict permissions

• The path may not have PosixFilePermission.OTHERS_EXECUTE permission

• (For Unix) The path may not have group or others permissions

• (For Unix) If the path is a file, then its folder may not have group or others permissions

• The path must be owned by current user.

• (For Unix) The path may be owned by root.

• (For Unix) If the path is a file, then its folder must also have valid owner.

Parameters:

path - The Path to be checked - ignored if null or does not exist

options - The LinkOptions to use to query the file's permissions

Returns:

The violated permission as AbstractMap.SimpleImmutableEntry where key is a message and value is the offending object PosixFilePermission or String for owner - null if no violations detected

Throws:

java.io.IOException - If failed to retrieve the permissions

See Also:

STRICTLY_PROHIBITED_FILE_PERMISSION

generateKeyPair

public static java.security.KeyPair generateKeyPair(java.lang.String keyType,
                                                    int keySize)
                                             throws java.security.GeneralSecurityException

Parameters:

keyType - The key type - OpenSSH name - e.g., ssh-rsa, ssh-dss

keySize - The key size (in bits)

Returns:

A KeyPair of the specified type and size

Throws:

java.security.GeneralSecurityException - If failed to generate the key pair

See Also:

getPublicKeyEntryDecoder(String), KeyEntryResolver.generateKeyPair(int)

cloneKeyPair

public static java.security.KeyPair cloneKeyPair(java.lang.String keyType,
                                                 java.security.KeyPair kp)
                                          throws java.security.GeneralSecurityException

Performs a deep-clone of the original KeyPair - i.e., creates new public/private keys that are clones of the original one

Parameters:

keyType - The key type - OpenSSH name - e.g., ssh-rsa, ssh-dss

kp - The KeyPair to clone - ignored if null

Returns:

The cloned instance

Throws:

java.security.GeneralSecurityException - If failed to clone the pair

registerPublicKeyEntryDecoder

public static void registerPublicKeyEntryDecoder(PublicKeyEntryDecoder<?,?> decoder)

Parameters:

decoder - The decoder to register

Throws:

java.lang.IllegalArgumentException - if no decoder or not key type or no supported names for the decoder

See Also:

IdentityResourceLoader.getPublicKeyType(), KeyTypeNamesSupport.getSupportedKeyTypes()

registerPublicKeyEntryDecoderKeyTypes

public static void registerPublicKeyEntryDecoderKeyTypes(PublicKeyEntryDecoder<?,?> decoder)

Registers the specified decoder for all the types it supports

Parameters:

decoder - The (never null) decoder to register

See Also:

registerPublicKeyEntryDecoderForKeyType(String, PublicKeyEntryDecoder)

registerPublicKeyEntryDecoderForKeyType

public static PublicKeyEntryDecoder<?,?> registerPublicKeyEntryDecoderForKeyType(java.lang.String keyType,
                                                                                 PublicKeyEntryDecoder<?,?> decoder)

Parameters:

keyType - The key (never null/empty) key type

decoder - The (never null) decoder to register

Returns:

The previously registered decoder for this key type - null if none

unregisterPublicKeyEntryDecoder

public static java.util.NavigableSet<java.lang.String> unregisterPublicKeyEntryDecoder(PublicKeyEntryDecoder<?,?> decoder)

Parameters:

decoder - The (never null) decoder to unregister

Returns:

The case insensitive NavigableSet of all the effectively un-registered key types out of all the supported ones.

See Also:

unregisterPublicKeyEntryDecoderKeyTypes(PublicKeyEntryDecoder)

unregisterPublicKeyEntryDecoderKeyTypes

public static java.util.NavigableSet<java.lang.String> unregisterPublicKeyEntryDecoderKeyTypes(PublicKeyEntryDecoder<?,?> decoder)

Unregisters the specified decoder for all the types it supports

Parameters:

decoder - The (never null) decoder to unregister

Returns:

The case insensitive NavigableSet of all the effectively un-registered key types out of all the supported ones.

See Also:

unregisterPublicKeyEntryDecoderForKeyType(String)

unregisterPublicKeyEntryDecoderForKeyType

public static PublicKeyEntryDecoder<?,?> unregisterPublicKeyEntryDecoderForKeyType(java.lang.String keyType)

Unregister the decoder registered for the specified key type

Parameters:

keyType - The key (never null/empty) key type

Returns:

The unregistered PublicKeyEntryDecoder - null if none registered for this key type

getPublicKeyEntryDecoder

public static PublicKeyEntryDecoder<?,?> getPublicKeyEntryDecoder(java.lang.String keyType)

Parameters:

keyType - The OpenSSH key type string - e.g., ssh-rsa, ssh-dss - ignored if null/empty

Returns:

The registered PublicKeyEntryDecoder or {code null} if not found

getPublicKeyEntryDecoder

public static PublicKeyEntryDecoder<?,?> getPublicKeyEntryDecoder(java.security.KeyPair kp)

Parameters:

kp - The KeyPair to examine - ignored if null

Returns:

The matching PublicKeyEntryDecoder provided both the public and private keys have the same decoder - null if no match found

See Also:

getPublicKeyEntryDecoder(Key)

getPublicKeyEntryDecoder

public static PublicKeyEntryDecoder<?,?> getPublicKeyEntryDecoder(java.security.Key key)

Parameters:

key - The Key (public or private) - ignored if null

Returns:

The registered PublicKeyEntryDecoder for this key or {code null} if no match found

See Also:

getPublicKeyEntryDecoder(Class)

getPublicKeyEntryDecoder

public static PublicKeyEntryDecoder<?,?> getPublicKeyEntryDecoder(java.lang.Class<?> keyType)

Parameters:

keyType - The key Class - ignored if null or not a Key compatible type

Returns:

The registered PublicKeyEntryDecoder or {code null} if no match found

getDefaultFingerPrintFactory

public static DigestFactory getDefaultFingerPrintFactory()

Returns:

The default DigestFactory by the getFingerPrint(PublicKey) and getFingerPrint(String) methods

See Also:

KEY_FINGERPRINT_FACTORY_PROP, setDefaultFingerPrintFactory(DigestFactory)

setDefaultFingerPrintFactory

public static void setDefaultFingerPrintFactory(DigestFactory f)

Parameters:

f - The DigestFactory of Digests to be used - may not be null

getFingerPrint

public static java.lang.String getFingerPrint(java.security.PublicKey key)

Parameters:

key - the public key - ignored if null

Returns:

the fingerprint or null if no key. Note: if exception encountered then returns the exception's simple class name

See Also:

getFingerPrint(Factory, PublicKey)

getFingerPrint

public static java.lang.String getFingerPrint(java.lang.String password)

Parameters:

password - The String to digest - ignored if null/empty, otherwise its UTF-8 representation is used as input for the fingerprint

Returns:

The fingerprint - null if null/empty input. Note: if exception encountered then returns the exception's simple class name

See Also:

getFingerPrint(String, Charset)

getFingerPrint

public static java.lang.String getFingerPrint(java.lang.String password,
                                              java.nio.charset.Charset charset)

Parameters:

password - The String to digest - ignored if null/empty

charset - The Charset to use in order to convert the string to its byte representation to use as input for the fingerprint

Returns:

The fingerprint - null if null/empty input. Note: if exception encountered then returns the exception's simple class name

See Also:

getFingerPrint(Factory, String, Charset), getDefaultFingerPrintFactory()

getFingerPrint

public static java.lang.String getFingerPrint(Factory<? extends Digest> f,
                                              java.security.PublicKey key)

Parameters:

f - The Factory to create the Digest to use

key - the public key - ignored if null

Returns:

the fingerprint or null if no key. Note: if exception encountered then returns the exception's simple class name

See Also:

getFingerPrint(Digest, PublicKey)

getFingerPrint

public static java.lang.String getFingerPrint(Digest d,
                                              java.security.PublicKey key)

Parameters:

d - The Digest to use

key - the public key - ignored if null

Returns:

the fingerprint or null if no key. Note: if exception encountered then returns the exception's simple class name

See Also:

DigestUtils.getFingerPrint(Digest, byte[], int, int)

getRawFingerprint

public static byte[] getRawFingerprint(java.security.PublicKey key)
                                throws java.lang.Exception

Throws:

java.lang.Exception

getRawFingerprint

public static byte[] getRawFingerprint(Factory<? extends Digest> f,
                                       java.security.PublicKey key)
                                throws java.lang.Exception

Throws:

java.lang.Exception

getRawFingerprint

public static byte[] getRawFingerprint(Digest d,
                                       java.security.PublicKey key)
                                throws java.lang.Exception

Throws:

java.lang.Exception

getFingerPrint

public static java.lang.String getFingerPrint(Factory<? extends Digest> f,
                                              java.lang.String s)

Parameters:

f - The Factory to create the Digest to use

s - The String to digest - ignored if null/empty, otherwise its UTF-8 representation is used as input for the fingerprint

Returns:

The fingerprint - null if null/empty input. Note: if exception encountered then returns the exception's simple class name

See Also:

getFingerPrint(Digest, String, Charset)

getFingerPrint

public static java.lang.String getFingerPrint(Factory<? extends Digest> f,
                                              java.lang.String s,
                                              java.nio.charset.Charset charset)

Parameters:

f - The Factory to create the Digest to use

s - The String to digest - ignored if null/empty

charset - The Charset to use in order to convert the string to its byte representation to use as input for the fingerprint

Returns:

The fingerprint - null if null/empty input Note: if exception encountered then returns the exception's simple class name

See Also:

DigestUtils.getFingerPrint(Digest, String, Charset)

getFingerPrint

public static java.lang.String getFingerPrint(Digest d,
                                              java.lang.String s)

Parameters:

d - The Digest to use

s - The String to digest - ignored if null/empty, otherwise its UTF-8 representation is used as input for the fingerprint

Returns:

The fingerprint - null if null/empty input. Note: if exception encountered then returns the exception's simple class name

See Also:

DigestUtils.getFingerPrint(Digest, String, Charset)

getFingerPrint

public static java.lang.String getFingerPrint(Digest d,
                                              java.lang.String s,
                                              java.nio.charset.Charset charset)

Parameters:

d - The Digest to use to calculate the fingerprint

s - The string to digest - ignored if null/empty

charset - The Charset to use in order to convert the string to its byte representation to use as input for the fingerprint

Returns:

The fingerprint - null if null/empty input. Note: if exception encountered then returns the exception's simple class name

See Also:

DigestUtils.getFingerPrint(Digest, String, Charset)

checkFingerPrint

public static java.util.AbstractMap.SimpleImmutableEntry<java.lang.Boolean,java.lang.String> checkFingerPrint(java.lang.String expected,
                                                                                                              java.security.PublicKey key)

Parameters:

expected - The expected fingerprint if null or empty then returns a failure with the default fingerprint.

key - the PublicKey - if null then returns null.

Returns:

SimpleImmutableEntry - key is success indicator, value is actual fingerprint, null if no key.

See Also:

getDefaultFingerPrintFactory(), checkFingerPrint(String, Factory, PublicKey)

checkFingerPrint

public static java.util.AbstractMap.SimpleImmutableEntry<java.lang.Boolean,java.lang.String> checkFingerPrint(java.lang.String expected,
                                                                                                              Factory<? extends Digest> f,
                                                                                                              java.security.PublicKey key)

Parameters:

expected - The expected fingerprint if null or empty then returns a failure with the default fingerprint.

f - The Factory to be used to generate the default Digest for the key

key - the PublicKey - if null then returns null.

Returns:

SimpleImmutableEntry - key is success indicator, value is actual fingerprint, null if no key.

checkFingerPrint

public static java.util.AbstractMap.SimpleImmutableEntry<java.lang.Boolean,java.lang.String> checkFingerPrint(java.lang.String expected,
                                                                                                              Digest d,
                                                                                                              java.security.PublicKey key)

Parameters:

expected - The expected fingerprint if null or empty then returns a failure with the default fingerprint.

d - The Digest to be used to generate the default fingerprint for the key

key - the PublicKey - if null then returns null.

Returns:

SimpleImmutableEntry - key is success indicator, value is actual fingerprint, null if no key.

getKeyType

public static java.lang.String getKeyType(java.security.KeyPair kp)

Parameters:

kp - a key pair - ignored if null. If the private key is non-null then it is used to determine the type, otherwise the public one is used.

Returns:

the key type or null if cannot determine it

See Also:

getKeyType(Key)

getKeyType

public static java.lang.String getKeyType(java.security.Key key)

Parameters:

key - a public or private key

Returns:

the key type or null if cannot determine it

getKeySize

public static int getKeySize(java.security.Key key)

Determines the key size in bits

Parameters:

key - The Key to examine - ignored if null

Returns:

The key size - non-positive value if cannot determine it

findMatchingKey

public static java.security.PublicKey findMatchingKey(java.security.PublicKey key,
                                                      java.security.PublicKey... keySet)

Parameters:

key - The PublicKey to be checked - ignored if null

keySet - The keys to be searched - ignored if null/empty

Returns:

The matching PublicKey from the keys or null if no match found

See Also:

compareKeys(PublicKey, PublicKey)

findMatchingKey

public static java.security.PublicKey findMatchingKey(java.security.PublicKey key,
                                                      java.util.Collection<? extends java.security.PublicKey> keySet)

Parameters:

key - The PublicKey to be checked - ignored if null

keySet - The keys to be searched - ignored if null/empty

Returns:

The matching PublicKey from the keys or null if no match found

See Also:

compareKeys(PublicKey, PublicKey)

compareKeyPairs

public static boolean compareKeyPairs(java.security.KeyPair k1,
                                      java.security.KeyPair k2)

compareKeys

public static boolean compareKeys(java.security.PublicKey k1,
                                  java.security.PublicKey k2)

recoverPublicKey

public static java.security.PublicKey recoverPublicKey(java.security.PrivateKey key)
                                                throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

compareKeys

public static boolean compareKeys(java.security.PrivateKey k1,
                                  java.security.PrivateKey k2)

compareRSAKeys

public static boolean compareRSAKeys(java.security.interfaces.RSAPublicKey k1,
                                     java.security.interfaces.RSAPublicKey k2)

compareRSAKeys

public static boolean compareRSAKeys(java.security.interfaces.RSAPrivateKey k1,
                                     java.security.interfaces.RSAPrivateKey k2)

recoverRSAPublicKey

public static java.security.interfaces.RSAPublicKey recoverRSAPublicKey(java.security.interfaces.RSAPrivateKey privateKey)
                                                                 throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

recoverFromRSAPrivateCrtKey

public static java.security.interfaces.RSAPublicKey recoverFromRSAPrivateCrtKey(java.security.interfaces.RSAPrivateCrtKey rsaKey)
                                                                         throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

recoverRSAPublicKey

public static java.security.interfaces.RSAPublicKey recoverRSAPublicKey(java.math.BigInteger p,
                                                                        java.math.BigInteger q,
                                                                        java.math.BigInteger publicExponent)
                                                                 throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

recoverRSAPublicKey

public static java.security.interfaces.RSAPublicKey recoverRSAPublicKey(java.math.BigInteger modulus,
                                                                        java.math.BigInteger publicExponent)
                                                                 throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

compareDSAKeys

public static boolean compareDSAKeys(java.security.interfaces.DSAPublicKey k1,
                                     java.security.interfaces.DSAPublicKey k2)

compareDSAKeys

public static boolean compareDSAKeys(java.security.interfaces.DSAPrivateKey k1,
                                     java.security.interfaces.DSAPrivateKey k2)

compareDSAParams

public static boolean compareDSAParams(java.security.interfaces.DSAParams p1,
                                       java.security.interfaces.DSAParams p2)

recoverDSAPublicKey

public static java.security.interfaces.DSAPublicKey recoverDSAPublicKey(java.security.interfaces.DSAPrivateKey privateKey)
                                                                 throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

compareECKeys

public static boolean compareECKeys(java.security.interfaces.ECPrivateKey k1,
                                    java.security.interfaces.ECPrivateKey k2)

compareECKeys

public static boolean compareECKeys(java.security.interfaces.ECPublicKey k1,
                                    java.security.interfaces.ECPublicKey k2)

compareECParams

public static boolean compareECParams(java.security.spec.ECParameterSpec s1,
                                      java.security.spec.ECParameterSpec s2)