sop / aes-kw

lib/AESKW/Algorithm.php

Spacing +8 added lines, -8 removed lines

@@ -146,12 +146,12 @@ 
 		}
 		// compute AIV
 		$mli = pack("N", $len);
-		$aiv = self::AIV_HI . $mli;
+		$aiv = self::AIV_HI.$mli;
 		// if key length was less than 8 octets (padded key contains
 		// exactly 8 octets), let the ciphertext be:
 		// C[0] | C[1] = ENC(K, A | P[1]).
 		if ($len <= 8) {
-			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
@@ -187,7 +187,7 @@ 
 		// 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 {
@@ -258,7 +258,7 @@ 
 			// 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);
@@ -306,7 +306,7 @@ 
 			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)
@@ -329,7 +329,7 @@ 
 			OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
 		if (false === $str) {
 			throw new \RuntimeException(
-				"openssl_encrypt() failed: " . $this->_getLastOpenSSLError());
+				"openssl_encrypt() failed: ".$this->_getLastOpenSSLError());
 		}
 		return $str;
 	}
@@ -347,7 +347,7 @@ 
 			OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
 		if (false === $str) {
 			throw new \RuntimeException(
-				"openssl_decrypt() failed: " . $this->_getLastOpenSSLError());
+				"openssl_decrypt() failed: ".$this->_getLastOpenSSLError());
 		}
 		return $str;
 	}
@@ -395,7 +395,7 @@ 
 	protected function _uint64($num) {
 		// 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);
 	}