[Opensc-commits] [OpenSC/libp11] 01c21a: Fix ENGINE pkey method lifetime

[Michał T. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSC/libp11
  Commit: 01c21ac5b59a0b43ba2f78c1019f68b38b32860c
      https://github.com/OpenSC/libp11/commit/01c21ac5b59a0b43ba2f78c1019f68b38b32860c
  Author: Michał Trojnara <Mic...@st...>
  Date:   2026-09-02 (Wed, 02 Sep 2026)

  Changed paths:
    M NEWS
    M src/eng_front.c
    M src/libp11.h
    M src/p11_pkey.c

  Log Message:
  -----------
  Fix ENGINE pkey method lifetime

Stop sharing EVP_PKEY_METHOD instances between ENGINE objects because
OpenSSL takes ownership of each method and frees it with the ENGINE.
Build methods in libp11 and cache them per ENGINE in the engine front end.

Keep the exported PKCS11_pkey_meths() API as a fresh-method builder.  Direct
registration as an ENGINE callback can therefore leak methods; document this
compatibility regression and direct users to the bundled engine.

Fixes #678



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