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# Phar::setSignatureAlgorithm

(PECL phar:1.1.0-1.2.1)

Phar::setSignatureAlgorithm — set the signature algorithm for a phar and apply it.

### Beschreibung

array Phar::setSignatureAlgorithm ( int `$sigtype` [, string `$privatekey` ] )

> Hinweis: Diese Methode des Phar Objekts funktioniert nur wenn die php.ini Einstellung phar.readonly auf 0 gesetzt ist, sonst wird eine PharException geworfen.

set the signature algorithm for a phar and apply it. The signature algorithm must be one of Phar::MD5, Phar::SHA1, Phar::SHA256, Phar::SHA512, or Phar::OPENSSL.

Note that all phar-based and tar-based phar archives have a signature created automatically, SHA1 by default. data tar-based archives (archives created with the PharData class) must have their signature created and set explicitly via Phar::setSignatureAlgorithm().

### Parameter-Liste

`sigtype`

  One of Phar::MD5, Phar::SHA1, Phar::SHA256, Phar::SHA512, or Phar::OPENSSL

`privatekey`

  The contents of an OpenSSL private key, as extracted from a certificate or OpenSSL key file:

  `$private = openssl_get_privatekey(file_get_contents('private.pem'));
  $pkey = '';
  openssl_pkey_export($private, $pkey);
  $p->setSignatureAlgorithm(Phar::OPENSSL, $pkey);`
  See phar introduction for instructions on naming and placement of the public key file.

### Rückgabewerte

### Fehler/Exceptions

Throws UnexpectedValueException for many errors, BadMethodCallException if called for a zip-based phar archive, and a PharException if any problems occur flushing changes to disk.

### Siehe auch

- Phar::getSupportedSignatures()
- Phar::getSignature()

Phar::setMetadata
Phar::setStub
Phar
PHP Manual