ASN1_PKEY_CTRL_GET1_TLS_ENCPT
case ASN1_PKEY_CTRL_GET1_TLS_ENCPT:
case ASN1_PKEY_CTRL_GET1_TLS_ENCPT:
case ASN1_PKEY_CTRL_GET1_TLS_ENCPT:
int rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppub);