Werner Lewis

[Backport 2.28] Add tests for mbedtls_ecp_set_zero

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## Description Trivial backport of #6181. Tests function with various ECP point conditions, covering freshly initialized, zeroed, non-zero, and freed points. ## Status **READY**

## Description Tests function with various ECP point conditions, covering freshly initialized, zeroed, non-zero, and freed points. Resolves #5922. ## Status **READY** ## Requires Backporting Yes 2.28 #6182

## Description Resolves #5921 Adds a test case generation framework for bignum tests, similar to `generate_psa_tests.py`. This PR adds a few bignum arithmetic test cases to show the usage of...

## Description Trivial backport of #6203, with additional commit to include `mbedtls_ecp_group_cmp`, taken from development branch. Test cases added to check curve parameters and information for each curve supported. Expected...