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<?php $secretKey = "merchantSecretKey"; $merchantApiKey = "merchantApiKey"; $externalOrderId = "1234"; $data = $merchantApiKey.$externalOrderId; echo hash_hmac('sha1', 'The quick brown fox jumped over the lazy dog.', $secretKey); /* String secretKey = "merchantSecretKey"; String merchantApiKey = "merchantApiKey"; String externalOrderId = "1234"; String data = merchantApiKey + externalOrderId; Mac m = Mac.getInstance("HmacSHA1"); m.init(new SecretKeySpec(secretKey.getBytes("UTF-8"), "HmacSHA1")); byte[] hash = m.doFinal(data.getBytes("UTF-8")); String secret = new String(Base64.encodeBase64(hash)); */
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IXcje
function name:  (null)
number of ops:  12
compiled vars:  !0 = $secretKey, !1 = $merchantApiKey, !2 = $externalOrderId, !3 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'merchantSecretKey'
    3     1        ASSIGN                                                   !1, 'merchantApiKey'
    4     2        ASSIGN                                                   !2, '1234'
    5     3        CONCAT                                           ~7      !1, !2
          4        ASSIGN                                                   !3, ~7
    6     5        INIT_FCALL                                               'hash_hmac'
          6        SEND_VAL                                                 'sha1'
          7        SEND_VAL                                                 'The+quick+brown+fox+jumped+over+the+lazy+dog.'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $9      
         10        ECHO                                                     $9
   16    11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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