Package io.getlime.security.powerauth.lib.cmd.util

Class EncryptedStorageUtil

java.lang.Object
io.getlime.security.powerauth.lib.cmd.util.EncryptedStorageUtil
public class EncryptedStorageUtil extends Object
Utility class implementing processes related to data storage on client side.
Author:
Petr Dvorak

  • Constructor Summary

    Constructors
    Constructor
    Description
    EncryptedStorageUtil()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static SecretKey
    getSignatureKnowledgeKey(char[] password, byte[] cSignatureKnowledgeSecretKeyBytes, byte[] salt, io.getlime.security.powerauth.crypto.lib.generator.KeyGenerator keyGenerator)
    Decrypt the KEY_SIGNATURE_KNOWLEDGE key using a provided password.
    static byte[]
    storeSignatureKnowledgeKey(char[] password, SecretKey signatureKnowledgeSecretKey, byte[] salt, io.getlime.security.powerauth.crypto.lib.generator.KeyGenerator keyGenerator)
    Encrypt the KEY_SIGNATURE_KNOWLEDGE key using a provided password.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • EncryptedStorageUtil

      public EncryptedStorageUtil()

  • Method Details

    • storeSignatureKnowledgeKey

      public static byte[] storeSignatureKnowledgeKey(char[] password, SecretKey signatureKnowledgeSecretKey, byte[] salt, io.getlime.security.powerauth.crypto.lib.generator.KeyGenerator keyGenerator) throws InvalidKeyException, io.getlime.security.powerauth.crypto.lib.model.exception.GenericCryptoException, io.getlime.security.powerauth.crypto.lib.model.exception.CryptoProviderException
      Encrypt the KEY_SIGNATURE_KNOWLEDGE key using a provided password.
      Parameters:
      password - Password to be used for encryption.
      signatureKnowledgeSecretKey - Original KEY_SIGNATURE_KNOWLEDGE key.
      salt - Random salt.
      keyGenerator - Key generator instance.
      Returns:
      Encrypted KEY_SIGNATURE_KNOWLEDGE using password and random salt.
      Throws:
      InvalidKeyException - In case invalid key is provided.
      io.getlime.security.powerauth.crypto.lib.model.exception.CryptoProviderException - In case cryptography provider is initialized incorrectly.
      io.getlime.security.powerauth.crypto.lib.model.exception.GenericCryptoException - In case any other cryptography error occurs.

    • getSignatureKnowledgeKey

      public static SecretKey getSignatureKnowledgeKey(char[] password, byte[] cSignatureKnowledgeSecretKeyBytes, byte[] salt, io.getlime.security.powerauth.crypto.lib.generator.KeyGenerator keyGenerator) throws InvalidKeyException, io.getlime.security.powerauth.crypto.lib.model.exception.GenericCryptoException, io.getlime.security.powerauth.crypto.lib.model.exception.CryptoProviderException
      Decrypt the KEY_SIGNATURE_KNOWLEDGE key using a provided password.
      Parameters:
      password - Password to be used for decryption.
      cSignatureKnowledgeSecretKeyBytes - Encrypted KEY_SIGNATURE_KNOWLEDGE key.
      salt - Salt that was used for encryption.
      keyGenerator - Key generator instance.
      Returns:
      Original KEY_SIGNATURE_KNOWLEDGE key.
      Throws:
      InvalidKeyException - In case invalid key is provided.
      io.getlime.security.powerauth.crypto.lib.model.exception.CryptoProviderException - In case cryptography provider is initialized incorrectly.
      io.getlime.security.powerauth.crypto.lib.model.exception.GenericCryptoException - In case any other cryptography error occurs.