[client_cert]
basicConstraints=CA:FALSE
keyUsage=digitalSignature,keyEncipherment,keyAgreement
extendedKeyUsage=1.3.6.1.5.2.3.4
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer
issuerAltName=issuer:copy
subjectAltName=otherName:1.3.6.1.5.2.2;SEQUENCE:princ_name

[princ_name]
realm=EXP:0,GeneralString:${ENV::REALM}
principal_name=EXP:1,SEQUENCE:principal_seq

[principal_seq]
name_type=EXP:0,INTEGER:1
name_string=EXP:1,SEQUENCE:principals

[principals]
princ1=GeneralString:${ENV::CLIENT}