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hash_hmac_file

Hash Funktionen PHP Manual

(PHP 5 >= 5.1.2, PECL hash >= 1.1)

hash_hmac_file — Generate a keyed hash value using the HMAC method and the contents of a given file

Beschreibung

string hash_hmac_file ( string $algo , string $filename , string $key [, bool $raw_output = false ] )

Parameter-Liste

algo

Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)

filename

URL describing location of file to be hashed; Supports fopen wrappers.

key

Shared secret key used for generating the HMAC variant of the message digest.

raw_output

When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.

Rückgabewerte

Returns a string containing the calculated message digest as lowercase hexits unless raw_output is set to true in which case the raw binary representation of the message digest is returned.

Beispiele

PHP Code
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/* Create a file to calculate hash of */ file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.'); echo hash_hmac_file('md5', 'example.txt', 'secret');

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

7eb2b5c37443418fc77c136dd20e859c

Siehe auch

  • hash_hmac() - Generate a keyed hash value using the HMAC method
  • hash_file() - Generate a hash value using the contents of a given file
Hash Funktionen PHP Manual