Add example scripts for EC key and certs generation

Add example scripts for EC key and certificate creation and reference
them from the README and Makefile.am.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

Makefile.am

@@ -7,7 +7,13 @@ if MANPAGE_DOCBOOK_XSL
 dist_man_MANS = evmctl.1
 endif
 
-doc_DATA =  examples/ima-genkey-self.sh examples/ima-genkey.sh examples/ima-gen-local-ca.sh
+doc_DATA = \
+	 examples/ima-genkey-self.sh \
+	 examples/ima-genkey.sh \
+	 examples/ima-gen-local-ca.sh \
+	 examples/ima-genkey-self-ecc.sh \
+	 examples/ima-genkey-ecc.sh \
+	 examples/ima-gen-local-ca-ecc.sh
 EXTRA_DIST = autogen.sh $(doc_DATA)
 
 CLEANFILES = *.html *.xsl

README

@@ -470,6 +470,9 @@ Examples of scripts to generate X509 public key certificates:
  /usr/share/doc/ima-evm-utils/ima-genkey-self.sh
  /usr/share/doc/ima-evm-utils/ima-genkey.sh
  /usr/share/doc/ima-evm-utils/ima-gen-local-ca.sh
+ /usr/share/doc/ima-evm-utils/ima-genkey-self-ecc.sh
+ /usr/share/doc/ima-evm-utils/ima-genkey-ecc.sh
+ /usr/share/doc/ima-evm-utils/ima-gen-local-ca-ecc.sh
 
 
 AUTHOR

examples/ima-gen-local-ca-ecc.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+GENKEY=ima-local-ca.genkey
+
+cat << __EOF__ >$GENKEY
+[ req ]
+distinguished_name = req_distinguished_name
+prompt = no
+string_mask = utf8only
+x509_extensions = v3_ca
+
+[ req_distinguished_name ]
+O = IMA-CA
+CN = IMA/EVM certificate signing key
+emailAddress = ca@ima-ca
+
+[ v3_ca ]
+basicConstraints=CA:TRUE
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid:always,issuer
+keyUsage = cRLSign, keyCertSign
+__EOF__
+
+openssl req -new -x509 -utf8 -sha256 -days 3650 -batch -config $GENKEY \
+		-outform DER -out ima-local-ca.x509 -keyout ima-local-ca.priv \
+		-newkey ec -pkeyopt ec_paramgen_curve:prime256v1
+
+openssl x509 -inform DER -in ima-local-ca.x509 -out ima-local-ca.pem

examples/ima-genkey-ecc.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+GENKEY=ima.genkey
+
+cat << __EOF__ >$GENKEY
+[ req ]
+distinguished_name = req_distinguished_name
+prompt = no
+string_mask = utf8only
+x509_extensions = v3_usr
+
+[ req_distinguished_name ]
+O = `hostname`
+CN = `whoami` signing key
+emailAddress = `whoami`@`hostname`
+
+[ v3_usr ]
+basicConstraints=critical,CA:FALSE
+#basicConstraints=CA:FALSE
+keyUsage=digitalSignature
+#keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+extendedKeyUsage=critical,codeSigning
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid
+#authorityKeyIdentifier=keyid,issuer
+__EOF__
+
+openssl req -new -nodes -utf8 -sha256 -days 365 -batch -config $GENKEY \
+		-out csr_ima.pem -keyout privkey_ima.pem \
+		-newkey ec -pkeyopt ec_paramgen_curve:prime256v1
+openssl x509 -req -in csr_ima.pem -days 365 -extfile $GENKEY -extensions v3_usr \
+		-CA ima-local-ca.pem -CAkey ima-local-ca.priv -CAcreateserial \
+		-outform DER -out x509_ima.der

examples/ima-genkey-self-ecc.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+GENKEY=x509_evm.genkey
+
+cat << __EOF__ >$GENKEY
+[ req ]
+distinguished_name = req_distinguished_name
+prompt = no
+string_mask = utf8only
+x509_extensions = myexts
+
+[ req_distinguished_name ]
+O = `hostname`
+CN = `whoami` signing key
+emailAddress = `whoami`@`hostname`
+
+[ myexts ]
+basicConstraints=critical,CA:FALSE
+keyUsage=digitalSignature
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid
+__EOF__
+
+openssl req -x509 -new -nodes -utf8 -sha256 -days 3650 -batch -config $GENKEY \
+		-outform DER -out x509_evm.der -keyout privkey_evm.pem \
+		-newkey ec -pkeyopt ec_paramgen_curve:prime256v1
+
+openssl ec -pubout -in privkey_evm.pem -out pubkey_evm.pem