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fix PHP 7.1 compatibility errors

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This commit is contained in:
terrafrost 2016-09-21 01:03:26 -05:00
parent d7295e827c
commit 640f10609f
1 changed files with 20 additions and 20 deletions
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40
phpseclib/Crypt/Base.php
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@ -826,7 +826,7 @@ class Crypt_Base
$this->changed = false; $this->changed = false;
} }
if ($this->enchanged) { if ($this->enchanged) {
mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV);
$this->enchanged = false; $this->enchanged = false;
} }
@ -859,15 +859,15 @@ class Crypt_Base
if ($len >= $block_size) { if ($len >= $block_size) {
if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) { if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) {
if ($this->enbuffer['enmcrypt_init'] === true) { if ($this->enbuffer['enmcrypt_init'] === true) {
mcrypt_generic_init($this->enmcrypt, $this->key, $iv); @mcrypt_generic_init($this->enmcrypt, $this->key, $iv);
$this->enbuffer['enmcrypt_init'] = false; $this->enbuffer['enmcrypt_init'] = false;
} }
$ciphertext.= mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size)); $ciphertext.= @mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size));
$iv = substr($ciphertext, -$block_size); $iv = substr($ciphertext, -$block_size);
$len%= $block_size; $len%= $block_size;
} else { } else {
while ($len >= $block_size) { while ($len >= $block_size) {
$iv = mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size); $iv = @mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size);
$ciphertext.= $iv; $ciphertext.= $iv;
$len-= $block_size; $len-= $block_size;
$i+= $block_size; $i+= $block_size;
@ -876,7 +876,7 @@ class Crypt_Base
} }
if ($len) { if ($len) {
$iv = mcrypt_generic($this->ecb, $iv); $iv = @mcrypt_generic($this->ecb, $iv);
$block = $iv ^ substr($plaintext, -$len); $block = $iv ^ substr($plaintext, -$len);
$iv = substr_replace($iv, $block, 0, $len); $iv = substr_replace($iv, $block, 0, $len);
$ciphertext.= $block; $ciphertext.= $block;
@ -886,10 +886,10 @@ class Crypt_Base
return $ciphertext; return $ciphertext;
} }
$ciphertext = mcrypt_generic($this->enmcrypt, $plaintext); $ciphertext = @mcrypt_generic($this->enmcrypt, $plaintext);
if (!$this->continuousBuffer) { if (!$this->continuousBuffer) {
mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV);
} }
return $ciphertext; return $ciphertext;
@ -1138,7 +1138,7 @@ class Crypt_Base
$this->changed = false; $this->changed = false;
} }
if ($this->dechanged) { if ($this->dechanged) {
mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV);
$this->dechanged = false; $this->dechanged = false;
} }
@ -1166,12 +1166,12 @@ class Crypt_Base
} }
if ($len >= $block_size) { if ($len >= $block_size) {
$cb = substr($ciphertext, $i, $len - $len % $block_size); $cb = substr($ciphertext, $i, $len - $len % $block_size);
$plaintext.= mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; $plaintext.= @mcrypt_generic($this->ecb, $iv . $cb) ^ $cb;
$iv = substr($cb, -$block_size); $iv = substr($cb, -$block_size);
$len%= $block_size; $len%= $block_size;
} }
if ($len) { if ($len) {
$iv = mcrypt_generic($this->ecb, $iv); $iv = @mcrypt_generic($this->ecb, $iv);
$plaintext.= $iv ^ substr($ciphertext, -$len); $plaintext.= $iv ^ substr($ciphertext, -$len);
$iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len); $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len);
$pos = $len; $pos = $len;
@ -1180,10 +1180,10 @@ class Crypt_Base
return $plaintext; return $plaintext;
} }
$plaintext = mdecrypt_generic($this->demcrypt, $ciphertext); $plaintext = @mdecrypt_generic($this->demcrypt, $ciphertext);
if (!$this->continuousBuffer) { if (!$this->continuousBuffer) {
mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV);
} }
return $this->paddable ? $this->_unpad($plaintext) : $plaintext; return $this->paddable ? $this->_unpad($plaintext) : $plaintext;
@ -1645,7 +1645,7 @@ class Crypt_Base
case CRYPT_ENGINE_MCRYPT: case CRYPT_ENGINE_MCRYPT:
return $this->cipher_name_mcrypt && return $this->cipher_name_mcrypt &&
extension_loaded('mcrypt') && extension_loaded('mcrypt') &&
in_array($this->cipher_name_mcrypt, mcrypt_list_algorithms()); in_array($this->cipher_name_mcrypt, @mcrypt_list_algorithms());
case CRYPT_ENGINE_INTERNAL: case CRYPT_ENGINE_INTERNAL:
return true; return true;
} }
@ -1724,13 +1724,13 @@ class Crypt_Base
if ($this->engine != CRYPT_ENGINE_MCRYPT && $this->enmcrypt) { if ($this->engine != CRYPT_ENGINE_MCRYPT && $this->enmcrypt) {
// Closing the current mcrypt resource(s). _mcryptSetup() will, if needed, // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed,
// (re)open them with the module named in $this->cipher_name_mcrypt // (re)open them with the module named in $this->cipher_name_mcrypt
mcrypt_module_close($this->enmcrypt); @mcrypt_module_close($this->enmcrypt);
mcrypt_module_close($this->demcrypt); @mcrypt_module_close($this->demcrypt);
$this->enmcrypt = null; $this->enmcrypt = null;
$this->demcrypt = null; $this->demcrypt = null;
if ($this->ecb) { if ($this->ecb) {
mcrypt_module_close($this->ecb); @mcrypt_module_close($this->ecb);
$this->ecb = null; $this->ecb = null;
} }
} }
@ -1850,19 +1850,19 @@ class Crypt_Base
CRYPT_MODE_STREAM => MCRYPT_MODE_STREAM, CRYPT_MODE_STREAM => MCRYPT_MODE_STREAM,
); );
$this->demcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); $this->demcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], '');
$this->enmcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); $this->enmcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], '');
// we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer() // we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer()
// to workaround mcrypt's broken ncfb implementation in buffered mode // to workaround mcrypt's broken ncfb implementation in buffered mode
// see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} // see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps}
if ($this->mode == CRYPT_MODE_CFB) { if ($this->mode == CRYPT_MODE_CFB) {
$this->ecb = mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, ''); $this->ecb = @mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, '');
} }
} // else should mcrypt_generic_deinit be called? } // else should mcrypt_generic_deinit be called?
if ($this->mode == CRYPT_MODE_CFB) { if ($this->mode == CRYPT_MODE_CFB) {
mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size)); @mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size));
} }
} }