71 lines
1.8 KiB
PHP
71 lines
1.8 KiB
PHP
<?php
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namespace Safe;
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use Safe\Exceptions\SsdeepException;
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/**
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* Calculates the match score between signature1
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* and signature2 using
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* context-triggered piecewise hashing, and returns the match
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* score.
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*
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* @param string $signature1 The first fuzzy hash signature string.
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* @param string $signature2 The second fuzzy hash signature string.
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* @return int Returns an integer from 0 to 100 on success, FALSE otherwise.
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* @throws SsdeepException
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*
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*/
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function ssdeep_fuzzy_compare(string $signature1, string $signature2): int
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{
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error_clear_last();
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$result = \ssdeep_fuzzy_compare($signature1, $signature2);
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if ($result === false) {
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throw SsdeepException::createFromPhpError();
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}
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return $result;
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}
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/**
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* ssdeep_fuzzy_hash_filename calculates the hash
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* of the file specified by file_name using
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* context-triggered piecewise
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* hashing, and returns that hash.
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*
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* @param string $file_name The filename of the file to hash.
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* @return string Returns a string on success, FALSE otherwise.
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* @throws SsdeepException
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*
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*/
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function ssdeep_fuzzy_hash_filename(string $file_name): string
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{
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error_clear_last();
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$result = \ssdeep_fuzzy_hash_filename($file_name);
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if ($result === false) {
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throw SsdeepException::createFromPhpError();
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}
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return $result;
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}
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/**
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* ssdeep_fuzzy_hash calculates the hash of
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* to_hash using
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* context-triggered piecewise hashing, and returns that hash.
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*
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* @param string $to_hash The input string.
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* @return string Returns a string on success, FALSE otherwise.
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* @throws SsdeepException
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*
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*/
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function ssdeep_fuzzy_hash(string $to_hash): string
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{
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error_clear_last();
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$result = \ssdeep_fuzzy_hash($to_hash);
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if ($result === false) {
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throw SsdeepException::createFromPhpError();
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}
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return $result;
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}
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