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-rw-r--r--certs/Makefile30
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+.DEFAULT: localhost.crt
+keysize=2048
+
+# How to:
+# First, `make yourhost.cnf` which creates a openssl config file.
+# Then edit this file and fill in the details you want it to have,
+# and add or change hosts and components it should cover.
+# Then `make yourhost.key` to create your private key, you can
+# include keysize=number to change the size of the key.
+# Then you can either `make yourhost.csr` to generate a certificate
+# signing request that you can submit to a CA, or `make yourhost.crt`
+# to generate a self signed certificate.
+
+.PRECIOUS: %.cnf %.key
+
+# To request a cert
+%.csr: %.cnf %.key
+ openssl req -new -key $(lastword $^) -out $@ -utf8 -config $(firstword $^)
+
+# Self signed
+%.crt: %.cnf %.key
+ openssl req -new -x509 -nodes -key $(lastword $^) -days 365 \
+ -sha1 -out $@ -utf8 -config $(firstword $^)
+
+%.cnf:
+ sed 's,example\.com,$*,g' openssl.cnf > $@
+
+%.key:
+ openssl genrsa $(keysize) > $@
+ @chmod 400 $@