Include some notes on basic extension usage and change openssl.cnf to usually

[openssl.git] / apps / openssl.cnf

diff --git a/apps/openssl.cnf b/apps/openssl.cnf
index 49cff56f35eb1ddc6c469d43e20a5d6763e2a8f3..1c0d5f0e3c701395840721ca75a2eb481d26b854 100644 (file)
--- a/apps/openssl.cnf
+++ b/apps/openssl.cnf
@@ -7,6 +7,13 @@ RANDFILE               = $ENV::HOME/.rnd
 oid_file               = $ENV::HOME/.oid
 oid_section            = new_oids
 
+# To use this configuration file with the "-extfile" option of the
+# "openssl x509" utility, name here the section containing the
+# X.509v3 extensions to use:
+# extensions           = 
+# (Alternatively, use a configuration file that has only
+# X.509v3 extensions in its main [= default] section.)
+
 [ new_oids ]
 
 # We can add new OIDs in here for use by 'ca' and 'req'.
@@ -35,6 +42,11 @@ private_key  = $dir/private/cakey.pem# The private key
 RANDFILE       = $dir/private/.rand    # private random number file
 
 x509_extensions        = usr_cert              # The extentions to add to the cert
+
+# Extensions to add to a CRL. Note: Netscape communicator chokes on V2 CRLs
+# so this is commented out by default to leave a V1 CRL.
+# crl_extensions       = crl_ext
+
 default_days   = 365                   # how long to certify for
 default_crl_days= 30                   # how long before next CRL
 default_md     = md5                   # which md to use.
@@ -123,31 +135,33 @@ basicConstraints=CA:FALSE
 # the certificate can be used for anything *except* object signing.
 
 # This is OK for an SSL server.
-#nsCertType                    = server
+# nsCertType                   = server
 
 # For an object signing certificate this would be used.
-#nsCertType = objsign
+# nsCertType = objsign
 
 # For normal client use this is typical
-#nsCertType = client, email
+# nsCertType = client, email
 
-# This is typical also
+# and for everything including object signing:
+# nsCertType = client, email, objsign
 
-keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+# This is typical in keyUsage for a client certificate.
+# keyUsage = nonRepudiation, digitalSignature, keyEncipherment
 
+# This will be displayed in Netscape's comment listbox.
 nsComment                      = "OpenSSL Generated Certificate"
 
-# PKIX recommendations
+# PKIX recommendations harmless if included in all certificates.
 subjectKeyIdentifier=hash
 authorityKeyIdentifier=keyid,issuer:always
 
+# This stuff is for subjectAltName and issuerAltname.
 # Import the email address.
-
-subjectAltName=email:copy
+# subjectAltName=email:copy
 
 # Copy subject details
-
-issuerAltName=issuer:copy
+# issuerAltName=issuer:copy
 
 #nsCaRevocationUrl             = http://www.domain.dom/ca-crl.pem
 #nsBaseUrl
@@ -160,8 +174,6 @@ issuerAltName=issuer:copy
 
 # Extensions for a typical CA
 
-# It's a CA certificate
-basicConstraints = CA:true
 
 # PKIX recommendation.
 
@@ -172,19 +184,31 @@ authorityKeyIdentifier=keyid:always,issuer:always
 # This is what PKIX recommends but some broken software chokes on critical
 # extensions.
 #basicConstraints = critical,CA:true
+# So we do this instead.
+basicConstraints = CA:true
 
-# Key usage: again this should really be critical.
-keyUsage = cRLSign, keyCertSign
+# Key usage: this is typical for a CA certificate. However since it will
+# prevent it being used as an test self-signed certificate it is best
+# left out by default.
+# keyUsage = cRLSign, keyCertSign
 
 # Some might want this also
-#nsCertType = sslCA, emailCA
+# nsCertType = sslCA, emailCA
 
 # Include email address in subject alt name: another PKIX recommendation
-subjectAltName=email:copy
+# subjectAltName=email:copy
 # Copy issuer details
-issuerAltName=issuer:copy
+# issuerAltName=issuer:copy
 
 # RAW DER hex encoding of an extension: beware experts only!
 # 1.2.3.5=RAW:02:03
 # You can even override a supported extension:
 # basicConstraints= critical, RAW:30:03:01:01:FF
+
+[ crl_ext ]
+
+# CRL extensions.
+# Only issuerAltName and authorityKeyIdentifier make any sense in a CRL.
+
+# issuerAltName=issuer:copy
+authorityKeyIdentifier=keyid:always,issuer:always