pro.gravit.utils.helper

Class SecurityHelper

java.lang.Object

pro.gravit.utils.helper.SecurityHelper

public final class SecurityHelper
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SecurityHelper.DigestAlgorithm

Field Summary

Fields

Modifier and Type	Field and Description
static int	AES_KEY_LENGTH
static int	CRYPTO_MAX_LENGTH
static java.lang.String	HEX
static byte[]	NUMBERS
static java.lang.String	RSA_ALGO
static java.lang.String	RSA_CIPHER_ALGO
static int	RSA_KEY_LENGTH
static int	RSA_KEY_LENGTH_BITS
static java.lang.String	RSA_SIGN_ALGO
static java.security.SecureRandom	secureRandom
static int	TOKEN_LENGTH
static int	TOKEN_STRING_LENGTH

Method Summary

Modifier and Type	Method and Description
static byte[]	decrypt(byte[] raw, byte[] encrypted)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, byte[] bytes)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, java.io.InputStream input)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, java.nio.file.Path file)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, java.lang.String s)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, java.net.URL url)
static byte[]	encrypt(byte[] raw, byte[] clear)
static byte[]	encrypt(java.lang.String seed, byte[] cleartext)
static byte[]	encrypt(java.lang.String seed, java.lang.String cleartext)
static java.security.KeyPair	genRSAKeyPair()
static java.security.KeyPair	genRSAKeyPair(java.security.SecureRandom random)
static byte[]	HexToByte(java.lang.String hexString)
static boolean	isValidSign(byte[] bytes, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static boolean	isValidSign(java.io.InputStream input, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static boolean	isValidSign(java.nio.file.Path path, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static boolean	isValidSign(java.net.URL url, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static boolean	isValidToken(java.lang.CharSequence token)
static java.security.MessageDigest	newDigest(SecurityHelper.DigestAlgorithm algo)
static java.security.SecureRandom	newRandom()
static javax.crypto.Cipher	newRSADecryptCipher(java.security.interfaces.RSAPrivateKey key)
static javax.crypto.Cipher	newRSAEncryptCipher(java.security.interfaces.RSAPublicKey key)
static java.security.Signature	newRSASignSignature(java.security.interfaces.RSAPrivateKey key)
static java.security.Signature	newRSAVerifySignature(java.security.interfaces.RSAPublicKey key)
static byte[]	randomAESKey()
static byte[]	randomAESKey(java.util.Random random)
static byte[]	randomBytes(int length)
static byte[]	randomBytes(java.util.Random random, int length)
static java.lang.String	randomStringAESKey()
static java.lang.String	randomStringAESKey(java.util.Random random)
static java.lang.String	randomStringToken()
static java.lang.String	randomStringToken(java.util.Random random)
static byte[]	randomToken()
static byte[]	randomToken(java.util.Random random)
static java.lang.String	randomUsername()
static java.lang.String	randomUsername(java.util.Random random)
static byte[]	sign(byte[] bytes, java.security.interfaces.RSAPrivateKey privateKey)
static byte[]	sign(java.io.InputStream input, java.security.interfaces.RSAPrivateKey privateKey)
static byte[]	sign(java.nio.file.Path path, java.security.interfaces.RSAPrivateKey privateKey)
static java.lang.String	toHex(byte[] bytes)
static java.security.interfaces.RSAPrivateKey	toPrivateRSAKey(byte[] bytes)
static java.security.interfaces.RSAPublicKey	toPublicRSAKey(byte[] bytes)
static void	verifySign(byte[] bytes, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static void	verifySign(java.io.InputStream input, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static void	verifySign(java.nio.file.Path path, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static void	verifySign(java.net.URL url, byte[] sign, java.security.interfaces.RSAPublicKey publicKey)
static java.lang.String	verifyToken(java.lang.String token)

Methods inherited from class java.lang.Object

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

Field Detail

RSA_ALGO

public static final java.lang.String RSA_ALGO

See Also:

Constant Field Values

RSA_SIGN_ALGO

public static final java.lang.String RSA_SIGN_ALGO

See Also:

Constant Field Values

RSA_CIPHER_ALGO

public static final java.lang.String RSA_CIPHER_ALGO

See Also:

Constant Field Values

TOKEN_LENGTH

public static final int TOKEN_LENGTH

See Also:

Constant Field Values

AES_KEY_LENGTH

public static final int AES_KEY_LENGTH

See Also:

Constant Field Values

TOKEN_STRING_LENGTH

public static final int TOKEN_STRING_LENGTH

See Also:

Constant Field Values

RSA_KEY_LENGTH_BITS

public static final int RSA_KEY_LENGTH_BITS

See Also:

Constant Field Values

RSA_KEY_LENGTH

public static final int RSA_KEY_LENGTH

See Also:

Constant Field Values

CRYPTO_MAX_LENGTH

public static final int CRYPTO_MAX_LENGTH

See Also:

Constant Field Values

HEX

public static final java.lang.String HEX

See Also:

Constant Field Values

NUMBERS

public static final byte[] NUMBERS

secureRandom

public static final java.security.SecureRandom secureRandom

Method Detail

digest

public static byte[] digest(SecurityHelper.DigestAlgorithm algo,
                            byte[] bytes)

digest

public static byte[] digest(SecurityHelper.DigestAlgorithm algo,
                            java.io.InputStream input)
                     throws java.io.IOException

Throws:

java.io.IOException

digest

public static byte[] digest(SecurityHelper.DigestAlgorithm algo,
                            java.nio.file.Path file)
                     throws java.io.IOException

Throws:

java.io.IOException

digest

public static byte[] digest(SecurityHelper.DigestAlgorithm algo,
                            java.lang.String s)

digest

public static byte[] digest(SecurityHelper.DigestAlgorithm algo,
                            java.net.URL url)
                     throws java.io.IOException

Throws:

java.io.IOException

genRSAKeyPair

public static java.security.KeyPair genRSAKeyPair()

genRSAKeyPair

public static java.security.KeyPair genRSAKeyPair(java.security.SecureRandom random)

isValidSign

public static boolean isValidSign(byte[] bytes,
                                  byte[] sign,
                                  java.security.interfaces.RSAPublicKey publicKey)
                           throws java.security.SignatureException

Throws:

java.security.SignatureException

isValidSign

public static boolean isValidSign(java.io.InputStream input,
                                  byte[] sign,
                                  java.security.interfaces.RSAPublicKey publicKey)
                           throws java.io.IOException,
                                  java.security.SignatureException

Throws:

java.io.IOException

java.security.SignatureException

isValidSign

public static boolean isValidSign(java.nio.file.Path path,
                                  byte[] sign,
                                  java.security.interfaces.RSAPublicKey publicKey)
                           throws java.io.IOException,
                                  java.security.SignatureException

Throws:

java.io.IOException

java.security.SignatureException

isValidSign

public static boolean isValidSign(java.net.URL url,
                                  byte[] sign,
                                  java.security.interfaces.RSAPublicKey publicKey)
                           throws java.io.IOException,
                                  java.security.SignatureException

Throws:

java.io.IOException

java.security.SignatureException

isValidToken

public static boolean isValidToken(java.lang.CharSequence token)

newDigest

public static java.security.MessageDigest newDigest(SecurityHelper.DigestAlgorithm algo)

newRandom

public static java.security.SecureRandom newRandom()

newRSADecryptCipher

public static javax.crypto.Cipher newRSADecryptCipher(java.security.interfaces.RSAPrivateKey key)

newRSAEncryptCipher

public static javax.crypto.Cipher newRSAEncryptCipher(java.security.interfaces.RSAPublicKey key)

newRSASignSignature

public static java.security.Signature newRSASignSignature(java.security.interfaces.RSAPrivateKey key)

newRSAVerifySignature

public static java.security.Signature newRSAVerifySignature(java.security.interfaces.RSAPublicKey key)

randomBytes

public static byte[] randomBytes(int length)

randomBytes

public static byte[] randomBytes(java.util.Random random,
                                 int length)

randomStringToken

public static java.lang.String randomStringToken()

randomStringToken

public static java.lang.String randomStringToken(java.util.Random random)

randomToken

public static byte[] randomToken()

randomToken

public static byte[] randomToken(java.util.Random random)

randomStringAESKey

public static java.lang.String randomStringAESKey()

randomStringAESKey

public static java.lang.String randomStringAESKey(java.util.Random random)

randomAESKey

public static byte[] randomAESKey()

randomAESKey

public static byte[] randomAESKey(java.util.Random random)

randomUsername

public static java.lang.String randomUsername()

randomUsername

public static java.lang.String randomUsername(java.util.Random random)

sign

public static byte[] sign(byte[] bytes,
                          java.security.interfaces.RSAPrivateKey privateKey)

sign

public static byte[] sign(java.io.InputStream input,
                          java.security.interfaces.RSAPrivateKey privateKey)
                   throws java.io.IOException

Throws:

java.io.IOException

sign

public static byte[] sign(java.nio.file.Path path,
                          java.security.interfaces.RSAPrivateKey privateKey)
                   throws java.io.IOException

Throws:

java.io.IOException

toHex

public static java.lang.String toHex(byte[] bytes)

toPrivateRSAKey

public static java.security.interfaces.RSAPrivateKey toPrivateRSAKey(byte[] bytes)
                                                              throws java.security.spec.InvalidKeySpecException

Throws:

java.security.spec.InvalidKeySpecException

toPublicRSAKey

public static java.security.interfaces.RSAPublicKey toPublicRSAKey(byte[] bytes)
                                                            throws java.security.spec.InvalidKeySpecException

Throws:

java.security.spec.InvalidKeySpecException

verifySign

public static void verifySign(byte[] bytes,
                              byte[] sign,
                              java.security.interfaces.RSAPublicKey publicKey)
                       throws java.security.SignatureException

Throws:

java.security.SignatureException

verifySign

public static void verifySign(java.io.InputStream input,
                              byte[] sign,
                              java.security.interfaces.RSAPublicKey publicKey)
                       throws java.security.SignatureException,
                              java.io.IOException

Throws:

java.security.SignatureException

java.io.IOException

verifySign

public static void verifySign(java.nio.file.Path path,
                              byte[] sign,
                              java.security.interfaces.RSAPublicKey publicKey)
                       throws java.security.SignatureException,
                              java.io.IOException

Throws:

java.security.SignatureException

java.io.IOException

verifySign

public static void verifySign(java.net.URL url,
                              byte[] sign,
                              java.security.interfaces.RSAPublicKey publicKey)
                       throws java.security.SignatureException,
                              java.io.IOException

Throws:

java.security.SignatureException

java.io.IOException

verifyToken

public static java.lang.String verifyToken(java.lang.String token)

encrypt

public static byte[] encrypt(java.lang.String seed,
                             byte[] cleartext)
                      throws java.lang.Exception

Throws:

java.lang.Exception

encrypt

public static byte[] encrypt(java.lang.String seed,
                             java.lang.String cleartext)
                      throws java.lang.Exception

Throws:

java.lang.Exception

encrypt

public static byte[] encrypt(byte[] raw,
                             byte[] clear)
                      throws java.lang.Exception

Throws:

java.lang.Exception

decrypt

public static byte[] decrypt(byte[] raw,
                             byte[] encrypted)
                      throws java.lang.Exception

Throws:

java.lang.Exception

HexToByte

public static byte[] HexToByte(java.lang.String hexString)