[openssl/openssl] 5572a1: Fix the encoding of SM2 keys

[Richard Levitte]

  Branch: refs/heads/openssl-3.2
  Home:   https://github.com/openssl/openssl
  Commit: 5572a1beee54b4cb101fd2e447787a38203b8914
      https://github.com/openssl/openssl/commit/5572a1beee54b4cb101fd2e447787a38203b8914
  Author: Richard Levitte <levitte at openssl.org>
  Date:   2024-01-12 (Fri, 12 Jan 2024)

  Changed paths:
    M CHANGES.md
    M providers/implementations/encode_decode/encode_key2any.c

  Log Message:
  -----------
  Fix the encoding of SM2 keys

OpenSSL's encoding of SM2 keys used the SM2 OID for the algorithm OID
where an AlgorithmIdentifier is encoded (for encoding into the structures
PrivateKeyInfo and SubjectPublicKeyInfo).

Such keys should be encoded as ECC keys.

Fixes #22184

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22529)

(cherry picked from commit 1d490694dfa790d8e47f8f2ea62ea1d9b1251179)


  Commit: dbe66cd268774e3c3023c2375d3229d3a1c612f2
      https://github.com/openssl/openssl/commit/dbe66cd268774e3c3023c2375d3229d3a1c612f2
  Author: Richard Levitte <levitte at openssl.org>
  Date:   2024-01-12 (Fri, 12 Jan 2024)

  Changed paths:
    A test/recipes/15-test_gensm2.t

  Log Message:
  -----------
  Add test/recipes/15-test_gensm2.t, to test SM2 key generation results

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22529)

(cherry picked from commit d4d9b57530b2ecdca6b4263b5841b42c820e5275)


Compare: https://github.com/openssl/openssl/compare/3ddab87f2e69...dbe66cd26877