openssl_digest

(PHP 5 >= 5.3.0)

openssl_digest — Computes a digest

Descrierea

string openssl_digest ( string $data , string $method [, bool $raw_output = false ] )

Computes a digest hash value for the given data using a given method, and returns a raw or binhex encoded string.

Avertizare

Această funcție nu este documentată în prezent; este disponibilă numai lista sa de argumente.

Parametri

data: The data.
method: The digest method.
raw_output: Setting to TRUE will return as raw output data, otherwise the return value is binhex encoded.

Valorile întoarse

Returns the digested hash value on success sau FALSE în cazul eșecului.

Erori/Excepții

Emits an E_WARNING level error if an unknown signature algorithm is passed via the method parameter.

Vedeți de asemenea

openssl_get_cipher_methods() - Gets available cipher methods

add a note User Contributed Notes openssl_digest - [1 notes]

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skyblackhawk at yahoo dot it ¶

1 year ago


Example:


// $fileBuffer is buffer of file in open mode or a generic stream...


$fingerPrint = openssl_digest ($fileBuffer , "sha512");





$method parameter is one of hash_algos() array;





<? echo"<PRE>";


      var_dump(hash_algos());


      echo "</PRE>"


?>





Output:





array(42) {


  [0]=>


  string(3) "md2"


  [1]=>


  string(3) "md4"


  [2]=>


  string(3) "md5"


  [3]=>


  string(4) "sha1"


  [4]=>


  string(6) "sha224"


  [5]=>


  string(6) "sha256"


  [6]=>


  string(6) "sha384"


  [7]=>


  string(6) "sha512"


  [8]=>


  string(9) "ripemd128"


  [9]=>


  string(9) "ripemd160"


  [10]=>


  string(9) "ripemd256"


  [11]=>


  string(9) "ripemd320"


  [12]=>


  string(9) "whirlpool"


  [13]=>


  string(10) "tiger128,3"


  [14]=>


  string(10) "tiger160,3"


  [15]=>


  string(10) "tiger192,3"


  [16]=>


  string(10) "tiger128,4"


  [17]=>


  string(10) "tiger160,4"


  [18]=>


  string(10) "tiger192,4"


  [19]=>


  string(6) "snefru"


  [20]=>


  string(9) "snefru256"


  [21]=>


  string(4) "gost"


  [22]=>


  string(7) "adler32"


  [23]=>


  string(5) "crc32"


  [24]=>


  string(6) "crc32b"


  [25]=>


  string(7) "salsa10"


  [26]=>


  string(7) "salsa20"


  [27]=>


  string(10) "haval128,3"


  [28]=>


  string(10) "haval160,3"


  [29]=>


  string(10) "haval192,3"


  [30]=>


  string(10) "haval224,3"


  [31]=>


  string(10) "haval256,3"


  [32]=>


  string(10) "haval128,4"


  [33]=>


  string(10) "haval160,4"


  [34]=>


  string(10) "haval192,4"


  [35]=>


  string(10) "haval224,4"


  [36]=>


  string(10) "haval256,4"


  [37]=>


  string(10) "haval128,5"


  [38]=>


  string(10) "haval160,5"


  [39]=>


  string(10) "haval192,5"


  [40]=>


  string(10) "haval224,5"


  [41]=>


  string(10) "haval256,5"


}

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