Certificate Public Key Type.
| Enumerator |
|---|
| TLS_CERT_KEY_TYPE_RSA | |
| TLS_CERT_KEY_TYPE_RSA_PSS | |
| TLS_CERT_KEY_TYPE_DSA | |
| TLS_CERT_KEY_TYPE_ECDSA | |
| TLS_CERT_KEY_TYPE_ED25519 | |
| TLS_CERT_KEY_TYPE_ED448 | |
| TLS_CERT_KEY_TYPE_SM2 | 9 is sign type, 10 is enc type
|
| TLS_CERT_KEY_TYPE_ENC_SM2 | |
| TLS_CERT_KEY_TYPE_NUM | |
| TLS_CERT_KEY_TYPE_UNKNOWN | |