Package 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	Description
static class	SecurityHelper.DigestAlgorithm

Field Summary

Fields

Modifier and Type	Field	Description
static int	AES_KEY_LENGTH
static int	CRYPTO_MAX_LENGTH
static java.lang.String	EC_ALGO
static java.lang.String	EC_CIPHER_ALGO
static java.lang.String	EC_CURVE
static java.lang.String	EC_SIGN_ALGO
static java.lang.String	HEX
static byte[]	NUMBERS
static int	RSA_KEY_LENGTH
static int	RSA_KEY_LENGTH_BITS
static java.security.SecureRandom	secureRandom
static int	TOKEN_LENGTH
static int	TOKEN_STRING_LENGTH

Method Summary

Modifier and Type	Method	Description
static byte[]	decrypt(byte[] raw, byte[] encrypted)
static byte[]	decrypt(java.lang.String seed, 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.lang.String s)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, java.net.URL url)
static byte[]	digest(SecurityHelper.DigestAlgorithm algo, java.nio.file.Path file)
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 byte[]	fromHex(java.lang.String hexString)
static java.security.KeyPair	genECKeyPair(java.security.SecureRandom random)
static boolean	isValidSign(byte[] bytes, byte[] sign, java.security.interfaces.ECPublicKey publicKey)
static boolean	isValidSign(java.io.InputStream input, byte[] sign, java.security.interfaces.ECPublicKey publicKey)
static boolean	isValidToken(java.lang.CharSequence token)
static javax.crypto.Cipher	newCipher(java.lang.String algo)
static java.security.MessageDigest	newDigest(SecurityHelper.DigestAlgorithm algo)
static javax.crypto.Cipher	newECDecryptCipher(java.security.interfaces.ECPrivateKey privateKey)
static javax.crypto.Cipher	newECEncryptCipher(java.security.interfaces.ECPublicKey publicKey)
static java.security.Signature	newECSignSignature(java.security.interfaces.ECPrivateKey key)
static java.security.Signature	newECVerifySignature(java.security.interfaces.ECPublicKey key)
static java.security.SecureRandom	newRandom()
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.ECPrivateKey privateKey)
static java.lang.String	toHex(byte[] bytes)
static java.security.interfaces.ECPrivateKey	toPrivateECKey(byte[] bytes)
static java.security.interfaces.ECPublicKey	toPublicECKey(byte[] bytes)
static void	verifySign(byte[] bytes, byte[] sign, java.security.interfaces.ECPublicKey publicKey)
static void	verifySign(java.io.InputStream input, byte[] sign, java.security.interfaces.ECPublicKey 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

EC_ALGO

public static final java.lang.String EC_ALGO

See Also:

Constant Field Values

EC_CURVE

public static final java.lang.String EC_CURVE

See Also:

Constant Field Values

EC_SIGN_ALGO

public static final java.lang.String EC_SIGN_ALGO

See Also:

Constant Field Values

EC_CIPHER_ALGO

public static final java.lang.String EC_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

genECKeyPair

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

isValidSign

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

Throws:

java.security.SignatureException

isValidSign

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

Throws:

java.io.IOException

java.security.SignatureException

isValidToken

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

newCipher

public static javax.crypto.Cipher newCipher(java.lang.String algo)

newDigest

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

newRandom

public static java.security.SecureRandom newRandom()

newECSignSignature

public static java.security.Signature newECSignSignature(java.security.interfaces.ECPrivateKey key)

newECVerifySignature

public static java.security.Signature newECVerifySignature(java.security.interfaces.ECPublicKey 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.ECPrivateKey privateKey)

toHex

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

toPublicECKey

public static java.security.interfaces.ECPublicKey toPublicECKey(byte[] bytes)
                                                          throws java.security.spec.InvalidKeySpecException

Throws:

java.security.spec.InvalidKeySpecException

toPrivateECKey

public static java.security.interfaces.ECPrivateKey toPrivateECKey(byte[] bytes)
                                                            throws java.security.spec.InvalidKeySpecException

Throws:

java.security.spec.InvalidKeySpecException

verifySign

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

Throws:

java.security.SignatureException

verifySign

public static void verifySign(java.io.InputStream input,
                              byte[] sign,
                              java.security.interfaces.ECPublicKey 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)

newECDecryptCipher

public static javax.crypto.Cipher newECDecryptCipher(java.security.interfaces.ECPrivateKey privateKey)

newECEncryptCipher

public static javax.crypto.Cipher newECEncryptCipher(java.security.interfaces.ECPublicKey publicKey)

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

decrypt

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

Throws:

java.lang.Exception

fromHex

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