Extension of Crypto functionality support on OpenSSL provider #223

Epic Description

This Epic is a collection of following crypto jobs to be implemented as part of OpenSSL crypto provider:

1. AES CBC encryption and decryption
2. Digital signature generation and verification
3. Secure key generation

Scope: PoC with basic functional tests

Acceptance Criteria (DoD)

AES CBC encryption and decryption, Digital signature generation and verification and Secure key generation functionality available with basic functional tests.