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[英]PBKDF2WithHmacSHA512 Java equivalent in PHP for AES encryption
[英]php openssl_pbkdf2 equivalent in java
我有一些php代碼來加密發送到Web服務的消息。 現在,我想創建等效的Java代碼,但會卡住。 請幫忙
--PHP代碼看起來像
$length = 60;
$salt = "MySalt";
$interation = 3000;
$bytes = openssl_pbkdf2("mypasspharse", $salt, $length, $interation, "sha1");
$value1 = substr($bytes, 0, 10);
$value2 = substr($bytes, 10, 20);
$value3 = substr($bytes, 30, 30);
return array('value1' => $value1, 'value2' => $value2, 'value3' => $value3);
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我正在嘗試使用SecretKeyFactory在Java中執行相同的操作。 我的Java代碼如下所示:
SecretKeyFactory factory = SecretKeyFactory
.getInstance("PBKDF2WithHmacSHA1");
PBEKeySpec spec = new PBEKeySpec(passphrase.toCharArray(),
salt.getBytes("UTF-8"), interation, length);
現在,我不知道如何獲得等效的$ value1,$ value2,$ value3作為php代碼。 另外,我不確定我在用上面的php代碼編寫等效的Java代碼的正確方法。 任何想法都非常感謝。
謝謝,
以下2個示例產生相同的輸出:
PHP:
$length = 60;
$salt = "MySalt";
$interation = 10;
$bytes = openssl_pbkdf2("mypasspharse", $salt, $length, $interation, "sha1");
for ($i = 0; $i < 60; $i++)
{
echo dechex(ord($bytes[$i]));
echo '<br>';
}
Java:
int length = 60 * 8;
String passphrase = "mypasspharse";
String salt = "MySalt";
int iteration = 10;
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
PBEKeySpec spec = new PBEKeySpec(passphrase.toCharArray(), salt.getBytes("UTF-8"), iteration, length);
byte[] bytes = factory.generateSecret(spec).getEncoded();
for (int i = 0; i < 60; i++) {
System.out.println(Integer.toHexString(bytes[i] & 0xFF));
}
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