$seedText = "manage manual recall harvest series desert melt police rose hollow moral pledge kitten position add";
​
$factory = new LTO\AccountFactory('T'); // 'T' for testnet, 'L' for mainnet
$account = $factory->seed($seedText);

$secretKey = 'wJ4WH8dD88fSkNdFQRjaAhjFUZzZhV5yiDLDwNUnp6bYwRXrvWV8MJhQ9HL9uqMDG1n7XpTGZx7PafqaayQV8Rp';
​
$factory = new LTO\AccountFactory('T'); // 'T' for testnet, 'L' for mainnet
$account = $factory->create($secretKey);

$accountInfo = [
  'address' => '3PLSsSDUn3kZdGe8qWEDak9y8oAjLVecXV1',
  'sign' => [
    'secretkey' => 'wJ4WH8dD88fSkNdFQRjaAhjFUZzZhV5yiDLDwNUnp6bYwRXrvWV8MJhQ9HL9uqMDG1n7XpTGZx7PafqaayQV8Rp',
    'publickey' => 'FkU1XyfrCftc4pQKXCrrDyRLSnifX1SMvmx1CYiiyB3Y'
  ],
  'encrypt' => [
    'secretkey' => 'BnjFJJarge15FiqcxrB7Mzt68nseBXXR4LQ54qFBsWJN',
    'publickey' => 'BVv1ZuE3gKFa6krwWJQwEmrLYUESuUabNCXgYTmCoBt6'
  ]
];
​
$factory = new LTO\AccountFactory('T'); // 'T' for testnet, 'L' for mainnet
$account = $factory->create($accountInfo);

$signature = $account->sign('hello world'); // Base58 encoded signature

if (!$account->verify($signature, 'hello world')) {
    throw new RuntimeException('invalid signature');
}

$message = 'hello world';
​
$recipientPublicKey = "HBqhfdFASRQ5eBBpu2y6c6KKi1az6bMx8v1JxX4iW1Q8"; // base58 encoded X25519 public key
$recipient = $factory->createPublic(null, $recipientPublicKey);
​
$cyphertext = $account->encryptFor($recipient, $message); // Raw binary, not encoded

$senderPublicKey = "HBqhfdFASRQ5eBBpu2y6c6KKi1az6bMx8v1JxX4iW1Q8"; // base58 encoded X25519 public key
$sender = $factory->createPublic(null, $senderPublicKey);
​
$message = $account->decryptFrom($sender, $cyphertext);