clean up PKCS7 comments
continuous-integration/drone/push Build is passing Details

master
eater 5 years ago
parent c0e61c21f0
commit d0e4d03e96
Signed by: eater
GPG Key ID: AD2560A0F84F0759

@ -38,25 +38,43 @@ class PKCS7 extends OpenSSL\C\CBackedObjectWithOwner
}
}
/**
* Returns a DER representation of this PKCS7
*
* @return string
*/
public function toDER(): string
{
// Create NULL uint8_t*
$buf = $this->ffi->new("uint8_t*");
// Get pointer from it (ptr being now uint8_t**)
$ptr = FFI::addr($buf);
// Give NULL pointer to OpenSSL and let it fill it up
$len = $this->ffi->i2d_PKCS7($this->cObj, $ptr);
if ($len < 0) {
throw new \RuntimeException("Failed to create DER from PKCS7 object");
}
// Read string from pointer
$val = FFI::string($buf, $len);
// Free buffer via CRYPTO_free as OpenSSL malloc'd it
$this->ffi->CRYPTO_free($buf);
return $val;
}
/**
* @inheritDoc
*/
public function freeObject()
{
$this->ffi->PKCS7_free($this->cObj);
}
/**
* Create new PKCS7
*
* @return PKCS7
*/
public static function new(): PKCS7
{
$ffi = OpenSSL::getFFI();
@ -64,6 +82,12 @@ class PKCS7 extends OpenSSL\C\CBackedObjectWithOwner
return new PKCS7($ffi, $cObj);
}
/**
* Load a PKCS7 object from DER
*
* @param string $der The string containing the DER
* @return PKCS7
*/
public static function loadFromDER(string $der): PKCS7
{
$ffi = OpenSSL::getFFI();

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