File

oid_section = new_oids

[ new_oids ]

# RFC 6120 section 13.7.1.4. defines this OID
xmppAddr = 1.3.6.1.5.5.7.8.5

# RFC 4985 defines this OID
SRVName  = 1.3.6.1.5.5.7.8.7

[ req ]

default_bits       = 4096
default_keyfile    = example.com.key
distinguished_name = distinguished_name
req_extensions     = certrequest
x509_extensions    = selfsigned

# ask about the DN?
prompt = no

[ distinguished_name ]

commonName             = example.com
countryName            = GB
localityName           = The Internet
organizationName       = Your Organisation
organizationalUnitName = XMPP Department
emailAddress           = xmpp@example.com

[ certrequest ]

# for certificate requests (req_extensions)

basicConstraints = CA:FALSE
keyUsage         = digitalSignature,keyEncipherment
extendedKeyUsage = serverAuth,clientAuth
subjectAltName   = @subject_alternative_name

[ selfsigned ]

# and self-signed certificates (x509_extensions)

basicConstraints = CA:TRUE
subjectAltName = @subject_alternative_name

[ subject_alternative_name ]

# See https://www.rfc-editor.org/rfc/rfc6120.html#section-13.7.1.2 for more info.

DNS.0       =                                           example.com
otherName.0 =                 xmppAddr;FORMAT:UTF8,UTF8:example.com
otherName.1 =            SRVName;IA5STRING:_xmpp-client.example.com
otherName.2 =            SRVName;IA5STRING:_xmpp-server.example.com

DNS.1       =                                conference.example.com
otherName.3 =      xmppAddr;FORMAT:UTF8,UTF8:conference.example.com
otherName.4 = SRVName;IA5STRING:_xmpp-server.conference.example.com