EVP_PKEY_CTX_ctrl_str support for RSA key types

[justsmth]

Depends On

• Add support for EVP_PKEY_CTX_ctrl_str - Step #1 #1842

Description of changes:

• Implement EVP_PKEY_CTX_ctrl_str for the RSA key types.

Testing:

Added new test suite: evp_ctx_test.cc

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 95.62044% with 6 lines in your changes missing coverage. Please review.

Project coverage is 78.57%. Comparing base (51d9a8d) to head (72144b5).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crypto/fipsmodule/evp/p_rsa.c	94.54%	3 Missing ⚠️
crypto/fipsmodule/evp/evp_ctx_test.cc	94.59%	1 Missing and 1 partial ⚠️
crypto/mem.c	94.44%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1847      +/-   ##
==========================================
+ Coverage   78.49%   78.57%   +0.07%     
==========================================
  Files         583      584       +1     
  Lines       98516    98672     +156     
  Branches    14129    14163      +34     
==========================================
+ Hits        77332    77527     +195     
+ Misses      20557    20518      -39     
  Partials      627      627              

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