Android Utililty Methods Password Descrypt

List of utility methods to do Password Descrypt

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Description

The list of methods to do Password Descrypt are organized into topic(s).

Method

StringdecryptionKey(String password)
decryption Key 
byte[] keyByte1 = key1.getBytes();
byte[] keyByte2 = key2.getBytes();
byte[] pwdByte = hexStr2Bytes(password);
for (int i = 0; i < pwdByte.length; i++) {
    pwdByte[i] = (byte) (pwdByte[i] ^ keyByte2[i % keyByte2.length]);
byte[] lastByte = new byte[pwdByte.length - keyByte1.length];
for (int i = 0; i < lastByte.length; i++) {
...
StringdecryptionKey(String password)
decryption Key 
byte[] keyByte1 = key1.getBytes();
byte[] keyByte2 = key2.getBytes();
byte[] pwdByte = hexStr2Bytes(password);
for (int i = 0; i < pwdByte.length; i++) {
    pwdByte[i] = (byte) (pwdByte[i] ^ keyByte2[i % keyByte2.length]);
byte[] lastByte = new byte[pwdByte.length - keyByte1.length];
for (int i = 0; i < lastByte.length; i++) {
...
Stringdecrypt(String password, String encryptedData)
decrypt 
byte[] secretKey = generateKey(password.getBytes());
SecretKeySpec secretKeySpec = new SecretKeySpec(secretKey,
        CIPHER_ALGORITHM);
Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM);
cipher.init(Cipher.DECRYPT_MODE, secretKeySpec);
byte[] encrypted = Base64.decode(encryptedData, Base64.DEFAULT);
byte[] decrypted = cipher.doFinal(encrypted);
return new String(decrypted);
...