Package net.schmizz.sshj.userauth.keyprovider

Class EncryptedPEMKeyReader

java.lang.Object

net.schmizz.sshj.userauth.keyprovider.StandardPEMKeyReader

net.schmizz.sshj.userauth.keyprovider.EncryptedPEMKeyReader

All Implemented Interfaces:

PEMKeyReader

class EncryptedPEMKeyReader
extends StandardPEMKeyReader

PEM Key Reader implementation supporting historical password-based encryption from OpenSSL EVP_BytesToKey

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	EncryptedPEMKeyReader.DataEncryptionKeyInfo

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	DEK_INFO_ALGORITHM_GROUP
private static final int	DEK_INFO_IV_GROUP
private static final Pattern	DEK_INFO_PATTERN
private final PasswordFinder	passwordFinder
private static final String	PROC_TYPE_ENCRYPTED_HEADER
private final Resource<?>	resource

Constructor Summary

Constructors

Constructor	Description
EncryptedPEMKeyReader(PasswordFinder passwordFinder, Resource<?> resource)

Method Summary

Modifier and Type	Method	Description
private EncryptedPEMKeyReader.DataEncryptionKeyInfo	getDataEncryptionKeyInfo(List<String> headers)
private byte[]	getDecryptedPemKeyBody(char[] password, byte[] pemKeyBody, EncryptedPEMKeyReader.DataEncryptionKeyInfo dataEncryptionKeyInfo)
private boolean	isEncrypted(List<String> headers)
private PEMKey	readEncryptedPemKey(PEMKey pemKey)
PEMKey	readPemKey(BufferedReader bufferedReader)	Read PEM Key from Buffered Reader

Methods inherited from class java.lang.Object

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

Field Details

PROC_TYPE_ENCRYPTED_HEADER

private static final String PROC_TYPE_ENCRYPTED_HEADER

See Also:

• Constant Field Values

DEK_INFO_PATTERN

private static final Pattern DEK_INFO_PATTERN

DEK_INFO_ALGORITHM_GROUP

private static final int DEK_INFO_ALGORITHM_GROUP

See Also:

• Constant Field Values

DEK_INFO_IV_GROUP

private static final int DEK_INFO_IV_GROUP

See Also:

• Constant Field Values

passwordFinder

private final PasswordFinder passwordFinder

resource

private final Resource<?> resource

Constructor Details

EncryptedPEMKeyReader

EncryptedPEMKeyReader(PasswordFinder passwordFinder,
 Resource<?> resource)

Method Details

readPemKey

public PEMKey readPemKey(BufferedReader bufferedReader)
                  throws IOException

Description copied from class: StandardPEMKeyReader

Read PEM Key from Buffered Reader

Specified by:

readPemKey in interface PEMKeyReader

Overrides:

readPemKey in class StandardPEMKeyReader

Parameters:

bufferedReader - Buffered Reader containing lines from resource reader

Returns:

PEM Key

Throws:

IOException - Thrown on failure to read or decode PEM Key

isEncrypted

private boolean isEncrypted(List<String> headers)

readEncryptedPemKey

private PEMKey readEncryptedPemKey(PEMKey pemKey)
                            throws IOException

Throws:

IOException

getDecryptedPemKeyBody

private byte[] getDecryptedPemKeyBody(char[] password,
 byte[] pemKeyBody,
 EncryptedPEMKeyReader.DataEncryptionKeyInfo dataEncryptionKeyInfo)
                               throws IOException

Throws:

IOException

getDataEncryptionKeyInfo

private EncryptedPEMKeyReader.DataEncryptionKeyInfo getDataEncryptionKeyInfo(List<String> headers)
                                                                      throws IOException

Throws:

IOException