Implementing missing macros to openssl compatibility layer

[Roy-Carter]

Description

Implementing as part of migration to wolfssl
SSL_set_ciphersuites
X509_add1_ext_i2d
sk_GENERAL_NAME_new_null
EC_KEY_oct2key

Testing

unitests to each functionality added

Checklist

• [ *] added tests
• [ *] updated/added doxygen
• updated appropriate READMEs
• Updated manual and documentation

[wolfSSL-Bot]

Can one of the admins verify this patch?

[Roy-Carter]

@julek-wolfssl second part of the functions i've implemented , split the PR's for clarity of checks .

[Roy-Carter]

@dgarske errors seemed related to master diff. both tests worked for me locally , I rebased , can we re-run workflow?

[Roy-Carter]

@julek-wolfssl @dgarske I've rebased to master , seems related to new changes added .

[dgarske]

Jenkins okay to test

[Copilot]

Pull request overview

This PR expands the OpenSSL compatibility layer with aliases and implementations for several missing APIs used during migration to wolfSSL.

Changes:

• Adds compatibility mappings for SSL_set_ciphersuites, X509_add1_ext_i2d, sk_GENERAL_NAME_new_null, and EC_KEY_oct2key.
• Implements wolfSSL_X509_add1_ext_i2d and wolfSSL_EC_KEY_oct2key.
• Adds unit tests covering the new compatibility APIs.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
wolfssl/ssl.h	Declares the new X509 extension helper.
wolfssl/openssl/ssl.h	Adds OpenSSL compatibility macros for SSL, X509, and GENERAL_NAME APIs.
wolfssl/openssl/ec.h	Declares and maps EC_KEY_oct2key.
src/x509.c	Implements wolfSSL_X509_add1_ext_i2d.
src/pk_ec.c	Implements wolfSSL_EC_KEY_oct2key.
tests/api.c	Adds API tests for the new compatibility additions.

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[julek-wolfssl]

@Roy-Carter please address copilot review. Thanks.

[Roy-Carter]

@julek-wolfssl can we re-run workflow ?

[julek-wolfssl]

$ ./autogen.sh && ./configure --enable-all && make check
...
FAILURES:
   871: test_wolfSSL_X509_add_ext
   929: test_wolfSSL_X509_add1_ext_i2d_flags

 End API Tests
 Failed/Skipped/Passed/All: 2/182/1432/1616