Android Utililty Methods AES Decrypt

List of utility methods to do AES Decrypt

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Description

The list of methods to do AES Decrypt are organized into topic(s).

Method

Stringdecrypt(String content, String password)
decrypt 
byte[] data = null;
try {
    data = hex2byte(content);
} catch (Exception e) {
    e.printStackTrace();
data = decrypt(data, password);
if (data == null)
...
Stringdecrypt(String data)
decrypt 
try {
    SecretKeySpec sks = null;
    byte[] decodedBytes = null;
    byte[] encodedBytes = Base64.decode(data, Base64.DEFAULT);
    SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
    sr.setSeed(seed.getBytes());
    KeyGenerator kg = KeyGenerator.getInstance("AES");
    kg.init(128, sr);
...
Stringdecrypt(String dataPassword, String encrypted)
decrypt 
byte[] byteMi = Base64.decodeBase64(encrypted);
IvParameterSpec zeroIv = new IvParameterSpec(ENCRYPT_IV);
SecretKeySpec key = new SecretKeySpec(dataPassword.getBytes(),
        "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, key, zeroIv);
byte[] decryptedData = cipher.doFinal(byteMi);
return new String(decryptedData, CHARSET);
...
Stringdecrypt(String encrypted)
decrypt 
byte[] seedByte = theRawKey.getBytes();
System.arraycopy(seedByte, 0, key, 0,
        ((seedByte.length < 16) ? seedByte.length : 16));
String base64 = new String(Base64.decode(encrypted, 0));
byte[] rawKey = getRawKey(seedByte);
byte[] enc = toByte(base64);
byte[] result = decrypt(rawKey, enc);
return new String(result);
...
Stringdecrypt(String key, String encrypted)
decrypt 
byte[] rawKey = getRawKey(key.getBytes());
byte[] enc = toByte(encrypted);
byte[] result = decrypt(rawKey, enc);
return new String(result);
Stringdecrypt(String key, String src)
decrypt 
byte[] keyByte = key.getBytes();
SecretKeySpec keySpec = new SecretKeySpec(keyByte, "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
IvParameterSpec ivSpec = new IvParameterSpec(iv);
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
byte[] srcByte = Base64.decode(src, Base64.DEFAULT);
byte[] decrypted = cipher.doFinal(srcByte);
String result = new String(decrypted);
...
Stringdecrypt(String seed, String encrypted)
decrypt 
byte[] rawKey = getRawKey(seed.getBytes());
byte[] enc = toByte(encrypted);
byte[] result = decrypt(rawKey, enc);
return new String(result);
Stringdecrypt(String seed, String encrypted)
decrypt 
byte[] rawKey;
try {
    rawKey = getRawKey(seed.getBytes());
    byte[] enc = toByte(encrypted);
    byte[] result = decrypt(rawKey, enc);
    String coentn = new String(result);
    return coentn;
} catch (Exception e) {
...
Stringdecrypt(String seed, String encrypted)
To decrypt a string. 
byte[] rawKey;
try {
    rawKey = getRawKey(seed.getBytes());
    byte[] enc = toByte(encrypted);
    byte[] result = decrypt(rawKey, enc);
    String coentn = new String(result);
    return coentn;
} catch (Exception e) {
...
Stringdecrypt(String src)
decrypt 
String decrypted = "";
try {
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, makeKey(), makeIv());
    decrypted = new String(cipher.doFinal(Base64.decode(src,
            Base64.NO_WRAP)));
} catch (Exception e) {
    throw new RuntimeException(e);
...