NULL-check s2n_cert_chain_and_key_get_pkey_type (#3064)
NULL-check s2n_cert_chain_and_key_get_pkey_type (#3064)


wcs1only/s2n,PKRoma/s2n,PKRoma/s2n,awslabs/s2n,awslabs/s2n,PKRoma/s2n,PKRoma/s2n,wcs1only/s2n,wcs1only/s2n,PKRoma/s2n,wcs1only/s2n,awslabs/s2n,awslabs/s2n,PKRoma/s2n,PKRoma/s2n,wcs1only/s2n,wcs1only/s2n,wcs1only/s2n,wcs1only/s2n,PKRoma/s2n,awslabs/s2n,awslabs/s2n