com.toolsverse.util.encryption.pgp

Class PgpUtils

Object

com.toolsverse.util.encryption.pgp.PgpUtils

public class PgpUtils
extends Object

Collections of utility class for PGP encryption

Constructor Summary

Constructors

Constructor and Description
PgpUtils()

Method Summary

Modifier and Type	Method and Description
static void	decryptStream(InputStream in, OutputStream out, InputStream keyIn, char[] passwd) Decrypt input stream into output stream.
static String	decryptStringWithPrivateKey(String message, String secretKey, String password) Decrypt string.
static String	decryptStringWithPrivateKeyFileName(String message, String secretKeyFileName, String password) Decrypt string.
static String	decryptStringWithPrivateKeyInInputStream(String message, InputStream secretKey, String password) Decrypt string.
static void	encryptFile(OutputStream out, String fileName, org.bouncycastle.openpgp.PGPPublicKey encKey, boolean armor, boolean withIntegrityCheck) Encrypt file.
static void	encryptStream(OutputStream out, org.bouncycastle.openpgp.PGPPublicKey encKey, InputStream streamData) Encrypt stream.
static String	encryptString(String message, InputStream publicKeyInputStream) Encrypt string.
static String	encryptString(String message, org.bouncycastle.openpgp.PGPPublicKey encKey) Encrypt string.
static String	encryptStringWithPublicKey(String message, String publicKey) Encrypt string.
static String	encryptStringWithPublicKyeFileName(String message, String publicKeyFileName) Encrypt string.
static org.bouncycastle.openpgp.PGPPrivateKey	findPrivateKey(InputStream keyIn, long keyID, char[] pass) Load a secret key ring collection from keyIn and find the private key corresponding to keyID if it exists.
static org.bouncycastle.openpgp.PGPPrivateKey	findPrivateKey(org.bouncycastle.openpgp.PGPSecretKey pgpSecKey, char[] pass) Load a secret key and find the private key in it.
static boolean	isForEncryption(org.bouncycastle.openpgp.PGPPublicKey key) Checks if is for encryption.
static org.bouncycastle.openpgp.PGPPublicKey	readPublicKey(InputStream in) Read public key.

Methods inherited from class Object

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

Constructor Detail

PgpUtils

public PgpUtils()

Method Detail

readPublicKey

public static org.bouncycastle.openpgp.PGPPublicKey readPublicKey(InputStream in)
                                                           throws IOException,
                                                                  org.bouncycastle.openpgp.PGPException

Read public key.

Parameters:

in - the in

Returns:

the PGP public key

Throws:

IOException - Signals that an I/O exception has occurred.

org.bouncycastle.openpgp.PGPException - the PGP exception

encryptStream

public static void encryptStream(OutputStream out,
                                 org.bouncycastle.openpgp.PGPPublicKey encKey,
                                 InputStream streamData)
                          throws IOException,
                                 org.bouncycastle.openpgp.PGPException

Encrypt stream.

Parameters:

out - the out

encKey - the enc key

streamData - the stream data

Throws:

IOException - Signals that an I/O exception has occurred.

org.bouncycastle.openpgp.PGPException - the PGP exception

decryptStream

public static void decryptStream(InputStream in,
                                 OutputStream out,
                                 InputStream keyIn,
                                 char[] passwd)
                          throws Exception

Decrypt input stream into output stream.

Parameters:

in - the in

out - the out

keyIn - the key in

passwd - the passwd

Throws:

Exception - the exception

findPrivateKey

public static org.bouncycastle.openpgp.PGPPrivateKey findPrivateKey(InputStream keyIn,
                                                                    long keyID,
                                                                    char[] pass)
                                                             throws IOException,
                                                                    org.bouncycastle.openpgp.PGPException,
                                                                    NoSuchProviderException

Load a secret key ring collection from keyIn and find the private key corresponding to keyID if it exists.

Parameters:

keyIn - input stream representing a key ring collection.

keyID - keyID we want.

pass - passphrase to decrypt secret key with.

Returns:

the PGP private key

Throws:

IOException - Signals that an I/O exception has occurred.

org.bouncycastle.openpgp.PGPException - the PGP exception

NoSuchProviderException - the no such provider exception

findPrivateKey

public static org.bouncycastle.openpgp.PGPPrivateKey findPrivateKey(org.bouncycastle.openpgp.PGPSecretKey pgpSecKey,
                                                                    char[] pass)
                                                             throws org.bouncycastle.openpgp.PGPException

Load a secret key and find the private key in it.

Parameters:

pgpSecKey - The secret key

pass - passphrase to decrypt secret key with

Returns:

the PGP private key

Throws:

org.bouncycastle.openpgp.PGPException - the PGP exception

encryptFile

public static void encryptFile(OutputStream out,
                               String fileName,
                               org.bouncycastle.openpgp.PGPPublicKey encKey,
                               boolean armor,
                               boolean withIntegrityCheck)
                        throws IOException,
                               NoSuchProviderException,
                               org.bouncycastle.openpgp.PGPException

Encrypt file.

Parameters:

out - the out

fileName - the file name

encKey - the enc key

armor - the armor

withIntegrityCheck - the with integrity check

Throws:

IOException - Signals that an I/O exception has occurred.

NoSuchProviderException - the no such provider exception

org.bouncycastle.openpgp.PGPException - the PGP exception

encryptString

public static String encryptString(String message,
                                   org.bouncycastle.openpgp.PGPPublicKey encKey)
                            throws IOException,
                                   NoSuchProviderException,
                                   org.bouncycastle.openpgp.PGPException

Encrypt string.

Parameters:

message - the message

encKey - the enc key

armor - the armor

withIntegrityCheck - the with integrity check

Throws:

IOException - Signals that an I/O exception has occurred.

NoSuchProviderException - the no such provider exception

org.bouncycastle.openpgp.PGPException - the PGP exception

encryptStringWithPublicKyeFileName

public static String encryptStringWithPublicKyeFileName(String message,
                                                        String publicKeyFileName)
                                                 throws Exception

Encrypt string.

Parameters:

message - the message

publicKeyFileName - the public key file name

Returns:

the string

Throws:

Exception

encryptStringWithPublicKey

public static String encryptStringWithPublicKey(String message,
                                                String publicKey)
                                         throws Exception

Encrypt string.

Parameters:

message - the message

publicKeyFileName - the public key file name

Returns:

the string

Throws:

Exception

encryptString

public static String encryptString(String message,
                                   InputStream publicKeyInputStream)
                            throws Exception

Encrypt string.

Parameters:

message - the message

publicKeyInputStream - the public key input stream

Returns:

the string

Throws:

Exception - the exception

decryptStringWithPrivateKeyFileName

public static String decryptStringWithPrivateKeyFileName(String message,
                                                         String secretKeyFileName,
                                                         String password)
                                                  throws Exception

Decrypt string.

Parameters:

message - the message

secretKeyFileName - the secret key file name

password - the password

Returns:

the string

Throws:

Exception - the exception

decryptStringWithPrivateKey

public static String decryptStringWithPrivateKey(String message,
                                                 String secretKey,
                                                 String password)
                                          throws Exception

Decrypt string.

Parameters:

message - the message

secretKeyFileName - the secret key file name

password - the password

Returns:

the string

Throws:

Exception - the exception

decryptStringWithPrivateKeyInInputStream

public static String decryptStringWithPrivateKeyInInputStream(String message,
                                                              InputStream secretKey,
                                                              String password)
                                                       throws Exception

Decrypt string.

Parameters:

message - the message

secretKey - the secret key

password - the password

Returns:

the string

Throws:

Exception - the exception

isForEncryption

public static boolean isForEncryption(org.bouncycastle.openpgp.PGPPublicKey key)

Checks if is for encryption.

Parameters:

key - the key

Returns:

true, if is for encryption