There are endless guides on the internet that uses endless methods to generate certificates and CA but I have not found one that is simple to use to create a custom CA and CA signed certificate with SAN (Subject Alternative Name) to perform some testing. So I created simple set of steps: Create a ca.key ❯ openssl genrsa -out ca.key 2048 Generating RSA private key, 2048 bit long modulus …………………………………………………………………………….+++ …………….+++ e is 65537 (0x10001) ❯ ls ca.key ❯ cat ca.key —–BEGIN RSA PRIVATE KEY—– MIIEowIBAAKCAQEArTBn8M9NBHmmVKOCcKl75EYZqv2LvNvNQjSJ0YDHLrXt2CpL x3N7IDgriLU4TbFVb13yQCPXESQOOBuzNJMqG8Ca5K56RYNBY6QP5k8z195385Qd QJODgut3A+ACjkWB9iVMHuN+KVXyEcPhl4/UFvYW6+ybvSSmUgfZJ/u3fCh6YaWN 15nVWRI40yDAgvM8EKuPew734ENF1GdSVF+S+m2QhDKR2gn8NkpdvYjKDtKFN2Rh VjREEb3TuQqttZNykkCira93dr3/ILdTGVxOIkXhdESFdiRMZ9dXOUqozQSALGfw cXKY2MlrkN+20F/ojoh3IqZs2gJS05udJOaarQIDAQABAoIBADdnBckmN6gX1lq7 F848mZJzzmBBzcLzuZzVO8VWYeGSd2ywUx+R1LCA54RLHKDV+tOuhQF5taIZG6dd TR2jelP4cFR5cEnubCuY3zE44wfKdiroldcDmY13D9KghZDHsYRxeAFlmwVUJiUC uZcHfrx9quV8AnImWEJjmldNEexYa94tLM+SahbNEG3H6s2hQE+GvshoVp+IoPPg sIVZo7AyEj/Z6sdY67YX92aNHeFr1TvSO/knxAryBW1knui8ZlmpFIroEZ8eR/Cn 1SYIWaJZpzz5pmbKIOWHc2uM7rUJzW3Rm8hFzjOCiUgmmYjQROVvLKFMTtiV6mcl IATnsqECgYEA0pR5fjqdf9NG3C+k8bh/PxKX2MzBmaFMjMdini081l9oN6D1Hjiz Pw3NZ0iVb+pQceeVLss8v/mX/zhkQ0P+rbiz4Lh191few5/uAxhqVJUVbMPjCYMz qxTTK3pcpui4PPM8pfFOBFbuXc4QqUf5HYW6HUq0eWWy86U9cB0W0wUCgYEA0otU r8LlxclOYZkcxqbYe+0/8xxCXaYw5slTbyxlh40wX2vgjmSkeOli8peGfMD07Cfm… Continue Reading →