php openssl_get_md_method example

by Anish

Posted on Wednesday December 12 , 2018

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openssl_get_md_methods

openssl_get_md_method: Gets available digest methods.

• Supported PHP Versions (PHP 5 >= 5.3.0, PHP 7)

The Syntax

array  openssl_get_md_methods ([ bool  $aliases =  `FALSE` ] )

• aliases: Set to TRUE if cipher aliases should be included within the returned array.
• Returns An array of available digest methods.

Examples

openssl_get_md_methods() example Shows how the available digest might look, and also which aliases might be available.

<?php  
/**  
 * Created by https://8gwifi.org  
 * User: Anish Nath  
 * Date: 2018-12-12 * Time: 10:40 
 * */  
$digests = openssl_get_md_methods();  
$digests_and_aliases = openssl_get_md_methods(true);  
$digest_aliases = array_diff($digests_and_aliases, $digests);  
print_r($digests);  
print_r($digest_aliases);  
?>

The above example will output something similar to:

$ /usr/bin/php get_md_methods.php
Array
(
    [0] => DSA
    [1] => DSA-SHA
    [2] => GOST 28147-89 MAC
    [3] => GOST R 34-11-2012 (512 bit)
    [4] => GOST R 34.11-2012 (256 bit)
    [5] => GOST R 34.11-94
    [6] => MD4
    [7] => MD5
    [8] => RIPEMD160
    [9] => SHA
    [10] => SHA1
    [11] => SHA224
    [12] => SHA256
    [13] => SHA384
    [14] => SHA512
    [15] => dsaEncryption
    [16] => dsaWithSHA
    [17] => ecdsa-with-SHA1
    [18] => gost-mac
    [19] => md4
    [20] => md5
    [21] => md_gost94
    [22] => ripemd160
    [23] => sha
    [24] => sha1
    [25] => sha224
    [26] => sha256
    [27] => sha384
    [28] => sha512
    [29] => streebog256
    [30] => streebog512
    [31] => whirlpool
)
Array
(
    [2] => DSA-SHA1
    [3] => DSA-SHA1-old
    [4] => DSS1
    [12] => RSA-MD4
    [13] => RSA-MD5
    [14] => RSA-RIPEMD160
    [15] => RSA-SHA
    [16] => RSA-SHA1
    [17] => RSA-SHA1-2
    [18] => RSA-SHA224
    [19] => RSA-SHA256
    [20] => RSA-SHA384
    [21] => RSA-SHA512
    [30] => dsaWithSHA1
    [31] => dss1
    [35] => md4WithRSAEncryption
    [37] => md5WithRSAEncryption
    [39] => ripemd
    [41] => ripemd160WithRSA
    [42] => rmd160
    [45] => sha1WithRSAEncryption
    [47] => sha224WithRSAEncryption
    [49] => sha256WithRSAEncryption
    [51] => sha384WithRSAEncryption
    [53] => sha512WithRSAEncryption
    [54] => shaWithRSAEncryption
    [55] => ssl2-md5
    [56] => ssl3-md5
    [57] => ssl3-sha1
)

In openssl You can get a list of available cipher methods by calling

$ openssl list-message-digest-commands

The above example will output something similar to:

md2
md4
md5
mdc2
rmd160
sha
sha1

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