sop / aes-kw

lib/AESKW/Algorithm.php

Spacing +8 added lines, -8 removed lines

@@ -148,7 +148,7 @@ 
         // let the ciphertext be:
         // C[0] | C[1] = ENC(K, A | P[1]).
         if (8 == strlen($key)) {
-            return $this->_encrypt($kek, $aiv . $key);
+            return $this->_encrypt($kek, $aiv.$key);
         }
         // build plaintext blocks and apply normal wrapping with AIV as an
         // initial value
@@ -230,7 +230,7 @@ 
             // For i = 1 to n
             for ($i = 1; $i <= $n; ++$i) {
                 // B = AES(K, A | R[i])
-                $B = $this->_encrypt($kek, $A . $R[$i]);
+                $B = $this->_encrypt($kek, $A.$R[$i]);
                 // A = MSB(64, B) ^ t where t = (n*j)+i
                 $t = $n * $j + $i;
                 $A = $this->_msb64($B) ^ $this->_uint64($t);
@@ -264,7 +264,7 @@ 
         // if key consists of only one block, recover AIV and padded key as:
         // A | P[1] = DEC(K, C[0] | C[1])
         if ($n == 1) {
-            $P = str_split($this->_decrypt($kek, $C[0] . $C[1]), 8);
+            $P = str_split($this->_decrypt($kek, $C[0].$C[1]), 8);
             $A = $P[0];
             unset($P[0]);
         } else {
@@ -308,7 +308,7 @@ 
             for ($i = $n; $i >= 1; --$i) {
                 // B = AES-1(K, (A ^ t) | R[i]) where t = n*j+i
                 $t = $n * $j + $i;
-                $B = $this->_decrypt($kek, ($A ^ $this->_uint64($t)) . $R[$i]);
+                $B = $this->_decrypt($kek, ($A ^ $this->_uint64($t)).$R[$i]);
                 // A = MSB(64, B)
                 $A = $this->_msb64($B);
                 // R[i] = LSB(64, B)
@@ -333,7 +333,7 @@ 
         }
         // compute AIV
         $mli = pack("N", $len);
-        $aiv = self::AIV_HI . $mli;
+        $aiv = self::AIV_HI.$mli;
         return [$key, $aiv];
     }
     
@@ -397,7 +397,7 @@ 
             OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
         if (false === $str) {
             throw new \RuntimeException(
-                "openssl_encrypt() failed: " . $this->_getLastOpenSSLError());
+                "openssl_encrypt() failed: ".$this->_getLastOpenSSLError());
         }
         return $str;
     }
@@ -416,7 +416,7 @@ 
             OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
         if (false === $str) {
             throw new \RuntimeException(
-                "openssl_decrypt() failed: " . $this->_getLastOpenSSLError());
+                "openssl_decrypt() failed: ".$this->_getLastOpenSSLError());
         }
         return $str;
     }
@@ -468,7 +468,7 @@ 
     {
         // truncate on 32 bit hosts
         if (PHP_INT_SIZE < 8) {
-            return "\0\0\0\0" . pack("N", $num);
+            return "\0\0\0\0".pack("N", $num);
         }
         return pack("J", $num);
     }