[webkit-changes] [WebKit/WebKit] 5eeccd: [OpenSSL] Use AES_wrap_key/AES_unwrap_key directly...

[Yoshiaki JITSUKAWA]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 5eeccd33fb42f133005c6a210eefcb3492233ec3
      https://github.com/WebKit/WebKit/commit/5eeccd33fb42f133005c6a210eefcb3492233ec3
  Author: Yoshiaki Jitsukawa <yoshiaki.jitsukawa at sony.com>
  Date:   2022-09-05 (Mon, 05 Sep 2022)

  Changed paths:
    M Source/WebCore/crypto/openssl/CryptoAlgorithmAES_KWOpenSSL.cpp
    M Source/WebCore/crypto/openssl/OpenSSLUtilities.cpp
    M Source/WebCore/crypto/openssl/OpenSSLUtilities.h

  Log Message:
  -----------
  [OpenSSL] Use AES_wrap_key/AES_unwrap_key directly to wrap/unwrap keys
https://bugs.webkit.org/show_bug.cgi?id=244784

Reviewed by Don Olmstead.

EVP_aes_*_wrap functions are not present in boringssl. Use
AES_wrap_key/AES_unwrap_key directly to compile this with boringssl.

AESKey OpenSSL utility class is introduced to wrap the AES_KEY struct
to force clear the memory in its destructor.

* Source/WebCore/crypto/openssl/CryptoAlgorithmAES_KWOpenSSL.cpp:
(WebCore::cryptWrapKey):
(WebCore::cryptUnwrapKey):
(WebCore::aesAlgorithm): Deleted.
* Source/WebCore/crypto/openssl/OpenSSLUtilities.cpp:
(WebCore::AESKey::setKey):
(WebCore::AESKey::~AESKey):
* Source/WebCore/crypto/openssl/OpenSSLUtilities.h:
(WebCore::AESKey::key):

Canonical link: https://commits.webkit.org/254171@main