diff --git a/contrib/PKI/ca_script2/Makefile b/contrib/PKI/ca_script2/Makefile
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@@ -0,0 +1,178 @@
+#!/usr/bin/make -s
+#
+# This file is inspired from freeDiameter's contrib/ca_script and
+# improved to handle multiple CA in a hierarchical fashion.
+# Warning: the directory structure is flat, does not reflect the CA hierarchy
+
+SCRIPT_DIR = .
+DATA_DIR = ./ca_data
+
+CONFIG = -config $(SCRIPT_DIR)/openssl.cnf
+REMAKE = $(MAKE) -f $(SCRIPT_DIR)/Makefile
+
+#Disable "make destroy" -- overwrite on command line
+force = 
+
+#RSA key sizes, can be overwritten on command line
+cakeysize = 2048
+keysize = 1024
+
+# Save current date
+DATE=`date +%Y%m%d-%H%M%S`
+
+# Default: print the help
+all:	help
+
+# Help message
+help:
+	@echo "\n\
+Available commands:\n\
+   make init topca=name\n\
+       Creates the initial top-level CA structure\n\
+   make newca name=newcaname ca=parentca\n\
+       Creates a new sub-CA that can be used for certificates later.\n\
+   make newcert name=foo ca=parentca\n\
+       Create private key and csr, then issue the certificate (named foo.*)\n\
+   make p12 name=foo ca=parentca\n\
+       Same as newcert, but additionnaly creates a pkcs12 file to ship client certificate to Windows or Mac\n\
+   make ship name=foo ca=parentca\n\
+       Create an archive with the data for the client (useful for freeDiameter peers)\n\
+   make revoke name=foo ca=parentca\n\
+       Revokes the certificate foo.cert issued by parentca and regenerates the CRL.\n\
+   make gencrl ca=caname\n\
+       Regenerates the CRL of CA caname. Should be run periodically.\n\
+\n\
+";
+
+# Destroy the CA hierarchy completely. Use with care.
+destroy:
+	@if [ -z "$(force)" ]; then echo "Destroy disabled, use: make destroy force=y"; exit 1; fi
+	@if [ ! -d $(SCRIPT_DIR) ]; then echo "Error in setup"; exit 1; fi
+	@echo "Removing everything (for debug purpose)..."
+	@rm -rf $(DATA_DIR)/*
+
+# Initialize the CA structure
+structure:
+	@if [ -z "$(caname)" ]; then echo "Internal error: caname is missing"; exit 1; fi
+	@if [ -d $(DATA_DIR)/$(caname) ]; then echo "CA $(caname) already exists."; exit 1; fi
+	# Creating CA structure
+	@mkdir -p $(DATA_DIR)/$(caname)
+	@mkdir $(DATA_DIR)/$(caname)/public
+	@mkdir $(DATA_DIR)/$(caname)/public/crl
+	@mkdir $(DATA_DIR)/$(caname)/private
+	@chmod 700 $(DATA_DIR)/$(caname)/private
+	@mkdir $(DATA_DIR)/$(caname)/clients
+	@echo "01" > $(DATA_DIR)/$(caname)/serial
+	@echo "01" > $(DATA_DIR)/$(caname)/crlnumber
+	@touch $(DATA_DIR)/$(caname)/index.txt
+
+# Initialize the top-level CA structure and keys.
+init:
+	@if [ -z "$(topca)" ]; then echo "Please specify the name of the root CA. Ex: make init topca=rootca.testbed.aaa"; exit 1; fi
+	# Create the folder hierarchy
+	@$(REMAKE) structure caname=$(topca)
+	# Generate the self-signed certificate
+	@CA_ROOT_DIR=$(DATA_DIR)/$(topca) openssl req $(CONFIG) -new -batch -x509 -days 3650 -nodes -newkey rsa:$(cakeysize) -out $(DATA_DIR)/$(topca)/public/cacert.pem \
+		-keyout $(DATA_DIR)/$(topca)/private/cakey.pem -extensions ca_cert -subj /CN=$(topca)
+	@ln -s cacert.pem $(DATA_DIR)/$(topca)/public/`openssl x509 -noout -hash < $(DATA_DIR)/$(topca)/public/cacert.pem`.0
+	@touch $(DATA_DIR)/$(topca)/public/cachain.pem
+	@ln -s ../../$(topca)/public/cacert.pem $(DATA_DIR)/$(topca)/public/caroot.pem 
+	@$(REMAKE) gencrl ca=$(topca)
+
+# Create a secondary CA
+newca:
+	@if [ -z "$(name)" -o -z "$(ca)" ]; then echo "Missing parameter. Ex: make newca name=subca.testbed.aaa ca=rootca.testbed.aaa"; exit 1; fi
+	@if [ ! -e $(DATA_DIR)/$(ca)/private/cakey.pem ]; then echo "The parent CA $(ca) does not exist."; exit 1; fi
+	@if [ ! -d $(DATA_DIR)/$(name) ]; then $(REMAKE) structure caname=$(name); fi
+	# Generate the private key and CSR for the new CA if needed
+	@if [ ! -e $(DATA_DIR)/$(name)/private/cakey.pem ]; then \
+		openssl genrsa -out $(DATA_DIR)/$(name)/private/cakey.pem $(cakeysize) ; fi
+	@if [ ! -e $(DATA_DIR)/$(name)/private/cacsr.pem ]; then \
+		CA_ROOT_DIR=$(DATA_DIR)/$(name) openssl req $(CONFIG) -new -batch -out $(DATA_DIR)/$(name)/private/cacsr.pem \
+			-key $(DATA_DIR)/$(name)/private/cakey.pem \
+			-subj /CN=$(name) -reqexts v3_req_ca; fi
+	# Revoke a previous certificate for this CA if any
+	@if [ -e $(DATA_DIR)/$(name)/public/cacert.pem ]; then \
+		echo "Revoking previous certificate ..."; \
+		$(REMAKE) revoke name=$(name) ca=$(ca); \
+		mv $(DATA_DIR)/$(name)/public/cacert.pem $(DATA_DIR)/$(name)/public/cacert-$(DATE).pem; fi
+	# Issue the new CA certificate
+	@CA_ROOT_DIR=$(DATA_DIR)/$(ca) openssl ca $(CONFIG) -in $(DATA_DIR)/$(name)/private/cacsr.pem \
+		-out $(DATA_DIR)/$(name)/public/cacert.pem \
+		-batch -extensions ca_cert
+	# Hash and link to parent
+	@ln -s cacert.pem $(DATA_DIR)/$(ca)/public/`openssl x509 -noout -hash < $(DATA_DIR)/$(name)/public/cacert.pem`.0
+	@rm -f $(DATA_DIR)/$(name)/parent
+	@ln -s ../$(ca) $(DATA_DIR)/$(name)/parent
+	@cat $(DATA_DIR)/$(name)/public/cacert.pem $(DATA_DIR)/$(ca)/public/cachain.pem > $(DATA_DIR)/$(name)/public/cachain.pem
+	@ln -s ../../$(ca)/public/caroot.pem $(DATA_DIR)/$(name)/public/caroot.pem
+	@for CRLFILE in `cd $(DATA_DIR)/$(ca)/public/crl && ls -1`; do ln -sf ../../../$(ca)/public/crl/$$CRLFILE $(DATA_DIR)/$(name)/public/crl/$$CRLFILE; done
+	@$(REMAKE) gencrl ca=$(name)
+
+# Create a new certificate for use in TLS communications and other terminal usages
+newcert:
+	@if [ -z "$(name)" -o -z "$(ca)" ]; then echo "Missing parameter. Ex: make newcert name=service.testbed.aaa ca=ca.testbed.aaa"; exit 1; fi
+	@if [ ! -e $(DATA_DIR)/$(ca)/private/cakey.pem ]; then echo "The parent CA $(ca) does not exist."; exit 1; fi
+	@if [ ! -d $(DATA_DIR)/$(ca)/clients/$(name) ]; then mkdir $(DATA_DIR)/$(ca)/clients/$(name); fi
+	# Create a private key if needed
+	@if [ ! -e $(DATA_DIR)/$(ca)/clients/$(name)/privkey.pem ]; then \
+		openssl genrsa -out $(DATA_DIR)/$(ca)/clients/$(name)/privkey.pem $(keysize); fi
+	# Create a CSR if needed
+	@if [ ! -e $(DATA_DIR)/$(ca)/clients/$(name)/csr.pem ]; then \
+		CA_ROOT_DIR=$(DATA_DIR)/$(ca) openssl req $(CONFIG) -new -batch -out $(DATA_DIR)/$(ca)/clients/$(name)/csr.pem \
+			-key $(DATA_DIR)/$(ca)/clients/$(name)/privkey.pem \
+			-subj /CN=$(name); fi
+	# Revoke a previous certificate if any
+	@if [ -e $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem ]; then \
+		$(REMAKE) revoke name=$(name) ca=$(ca); \
+		mv $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem $(DATA_DIR)/$(ca)/clients/$(name)/cert-$(DATE).pem; fi
+	# Now sign the new certificate with the CA key
+	@CA_ROOT_DIR=$(DATA_DIR)/$(ca) openssl ca $(CONFIG) -in $(DATA_DIR)/$(ca)/clients/$(name)/csr.pem \
+		-out $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem \
+		-batch
+	# Hash
+	@ln -sf `cat $(DATA_DIR)/$(ca)/serial.old`.pem $(DATA_DIR)/$(ca)/public/`openssl x509 -noout -hash < $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem`.0
+	# Compiled informations for the client
+	@cat $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem $(DATA_DIR)/$(ca)/public/cachain.pem > $(DATA_DIR)/$(ca)/clients/$(name)/certchain.pem
+	@ln -sf ../../public/crl $(DATA_DIR)/$(ca)/clients/$(name)/crl
+	@ln -sf ../../public/caroot.pem $(DATA_DIR)/$(ca)/clients/$(name)/ca.pem
+
+# Create a PKCS#12 file containing the client's information
+p12:	newcert
+	# Create the PKCS#12 file
+	@cat 	$(DATA_DIR)/$(ca)/clients/$(name)/privkey.pem \
+		$(DATA_DIR)/$(ca)/clients/$(name)/certchain.pem \
+		$(DATA_DIR)/$(ca)/clients/$(name)/ca.pem \
+		| openssl pkcs12 -export -out $(DATA_DIR)/$(ca)/clients/$(name)/$(name).p12
+	@echo "Client certificate is created in $(DATA_DIR)/$(ca)/clients/$(name)/$(name).p12"
+
+# Create an archive to send the data to the client node
+ship:
+	@if [ -z "$(name)" -o -z "$(ca)" ]; then echo "Missing parameter. Ex: make ship name=service.testbed.aaa ca=ca.testbed.aaa"; exit 1; fi
+	@if [ ! -e $(DATA_DIR)/$(ca)/private/cakey.pem ]; then echo "The parent CA $(ca) does not exist."; exit 1; fi
+	@if [ ! -e  $(DATA_DIR)/$(ca)/clients/$(name)/privkey.pem ]; then echo "The client $(name) does not exist, use 'make newcert' first."; exit 1; fi
+	# Ship the data
+	@tar -c -C $(DATA_DIR)/$(ca)/clients/$(name) -z -f $(ca)_$(name).tar.gz -h .
+	@echo "The files have been packaged into archive: $(ca)_$(name).tar.gz"
+
+# Revoke a certificate
+revoke:
+	@if [ -z "$(name)" -o -z "$(ca)" ]; then echo "Missing parameter. Ex: make revoke name=service.testbed.aaa ca=ca.testbed.aaa"; exit 1; fi
+	@if [ ! -e $(DATA_DIR)/$(ca)/private/cakey.pem ]; then echo "The parent CA $(ca) does not exist."; exit 1; fi
+	@if [ ! -e $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem ]; \
+		then echo "$(DATA_DIR)/$(ca)/clients/$(name)/cert.pem not found"; \
+		exit 1; \
+		fi;
+	# Revoke the certificate
+	@CA_ROOT_DIR=$(DATA_DIR)/$(ca) openssl ca $(CONFIG) -revoke $(DATA_DIR)/$(ca)/clients/$(name)/cert.pem;
+	@$(REMAKE) gencrl ca=$(ca)
+
+# Regenerate the Certificate Revocation List.
+gencrl:
+	@if [ -z "$(ca)" ]; then echo "Missing parameter. Ex: make gencrl ca=ca.testbed.aaa"; exit 1; fi
+	# Create the CRL
+	@CA_ROOT_DIR=$(DATA_DIR)/$(ca) openssl ca $(CONFIG) -gencrl -out $(DATA_DIR)/$(ca)/public/crl/$(ca).pem
+	@ln -s crl/$(ca).pem $(DATA_DIR)/$(ca)/public/local.pem
+	@ln -s local.pem $(DATA_DIR)/$(ca)/public/`openssl crl -noout -hash < $(DATA_DIR)/$(ca)/public/crl/$(ca).pem`.r0
+
+# End of file...