The mhash_get_block_size() function is an inbuilt function in PHP which is used to gets the block size of the specified hash. Gets the highest available hash ID within the current MHash installed in the system like SHA1, MD%, etc.
Syntax:
int mhash_get_block_size( int $hash )
Parameter: This function accepts one parameter as shown in the above syntax. The parameters are described below:
- $Hash: The hash ID. One of the MHASH_hashname constants.
Return Value: This function returns the hash name and it’s block size which contains the list of supported hashing algorithms.
Example: Below program illustrates the mhash_get_block_size() function in PHP.
PHP
<?php $maxHashCount = mhash_count(); for ($hashNumber = 0; $hashNumber <= $maxHashCount; $hashNumber++) { // i-th hash name $hashName = mhash_get_hash_name($hashNumber); // i-th block size $hashSize = mhash_get_block_size($hashNumber); // Details of i-th hash print_r($hashName . " 's block size is" . $hashSize . "\n"); } ?> |
Output:
CRC32 's block size is4 MD5 's block size is16 SHA1 's block size is20 HAVAL256 's block size is32 's block size is RIPEMD160 's block size is20 's block size is TIGER 's block size is24 GOST 's block size is32 CRC32B 's block size is4 HAVAL224 's block size is28 HAVAL192 's block size is24 HAVAL160 's block size is20 HAVAL128 's block size is16 TIGER128 's block size is16 TIGER160 's block size is20 MD4 's block size is16 SHA256 's block size is32 ADLER32 's block size is4 SHA224 's block size is28 SHA512 's block size is64 SHA384 's block size is48 WHIRLPOOL 's block size is64 RIPEMD128 's block size is16 RIPEMD256 's block size is32 RIPEMD320 's block size is40 's block size is SNEFRU256 's block size is32 MD2 's block size is16 FNV132 's block size is4 FNV1A32 's block size is4 FNV164 's block size is8 FNV1A64 's block size is8 JOAAT 's block size is4 lovely@lovely:~/Documents/php$
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