openssl1.0/demos/ssltest-ecc/ECCcertgen.sh
2019-08-09 10:00:55 +02:00

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#!/bin/sh
# For a list of supported curves, use "apps/openssl ecparam -list_curves".
# Path to the openssl distribution
OPENSSL_DIR=../..
# Path to the openssl program
OPENSSL_CMD=$OPENSSL_DIR/apps/openssl
# Option to find configuration file
OPENSSL_CNF="-config $OPENSSL_DIR/apps/openssl.cnf"
# Directory where certificates are stored
CERTS_DIR=./Certs
# Directory where private key files are stored
KEYS_DIR=$CERTS_DIR
# Directory where combo files (containing a certificate and corresponding
# private key together) are stored
COMBO_DIR=$CERTS_DIR
# cat command
CAT=/bin/cat
# rm command
RM=/bin/rm
# mkdir command
MKDIR=/bin/mkdir
# The certificate will expire these many days after the issue date.
DAYS=1500
TEST_CA_CURVE=secp160r1
TEST_CA_FILE=secp160r1TestCA
TEST_CA_DN="/C=US/ST=CA/L=Mountain View/O=Sun Microsystems, Inc./OU=Sun Microsystems Laboratories/CN=Test CA (Elliptic curve secp160r1)"
TEST_SERVER_CURVE=secp160r2
TEST_SERVER_FILE=secp160r2TestServer
TEST_SERVER_DN="/C=US/ST=CA/L=Mountain View/O=Sun Microsystems, Inc./OU=Sun Microsystems Laboratories/CN=Test Server (Elliptic curve secp160r2)"
TEST_CLIENT_CURVE=secp160r2
TEST_CLIENT_FILE=secp160r2TestClient
TEST_CLIENT_DN="/C=US/ST=CA/L=Mountain View/O=Sun Microsystems, Inc./OU=Sun Microsystems Laboratories/CN=Test Client (Elliptic curve secp160r2)"
# Generating an EC certificate involves the following main steps
# 1. Generating curve parameters (if needed)
# 2. Generating a certificate request
# 3. Signing the certificate request
# 4. [Optional] One can combine the cert and private key into a single
# file and also delete the certificate request
$MKDIR -p $CERTS_DIR
$MKDIR -p $KEYS_DIR
$MKDIR -p $COMBO_DIR
echo "Generating self-signed CA certificate (on curve $TEST_CA_CURVE)"
echo "==============================================================="
$OPENSSL_CMD ecparam -name $TEST_CA_CURVE -out $TEST_CA_CURVE.pem
# Generate a new certificate request in $TEST_CA_FILE.req.pem. A
# new ecdsa (actually ECC) key pair is generated on the parameters in
# $TEST_CA_CURVE.pem and the private key is saved in $TEST_CA_FILE.key.pem
# WARNING: By using the -nodes option, we force the private key to be
# stored in the clear (rather than encrypted with a password).
$OPENSSL_CMD req $OPENSSL_CNF -nodes -subj "$TEST_CA_DN" \
-keyout $KEYS_DIR/$TEST_CA_FILE.key.pem \
-newkey ec:$TEST_CA_CURVE.pem -new \
-out $CERTS_DIR/$TEST_CA_FILE.req.pem
# Sign the certificate request in $TEST_CA_FILE.req.pem using the
# private key in $TEST_CA_FILE.key.pem and include the CA extension.
# Make the certificate valid for 1500 days from the time of signing.
# The certificate is written into $TEST_CA_FILE.cert.pem
$OPENSSL_CMD x509 -req -days $DAYS \
-in $CERTS_DIR/$TEST_CA_FILE.req.pem \
-extfile $OPENSSL_DIR/apps/openssl.cnf \
-extensions v3_ca \
-signkey $KEYS_DIR/$TEST_CA_FILE.key.pem \
-out $CERTS_DIR/$TEST_CA_FILE.cert.pem
# Display the certificate
$OPENSSL_CMD x509 -in $CERTS_DIR/$TEST_CA_FILE.cert.pem -text
# Place the certificate and key in a common file
$OPENSSL_CMD x509 -in $CERTS_DIR/$TEST_CA_FILE.cert.pem -issuer -subject \
> $COMBO_DIR/$TEST_CA_FILE.pem
$CAT $KEYS_DIR/$TEST_CA_FILE.key.pem >> $COMBO_DIR/$TEST_CA_FILE.pem
# Remove the cert request file (no longer needed)
$RM $CERTS_DIR/$TEST_CA_FILE.req.pem
echo "GENERATING A TEST SERVER CERTIFICATE (on elliptic curve $TEST_SERVER_CURVE)"
echo "=========================================================================="
# Generate parameters for curve $TEST_SERVER_CURVE, if needed
$OPENSSL_CMD ecparam -name $TEST_SERVER_CURVE -out $TEST_SERVER_CURVE.pem
# Generate a new certificate request in $TEST_SERVER_FILE.req.pem. A
# new ecdsa (actually ECC) key pair is generated on the parameters in
# $TEST_SERVER_CURVE.pem and the private key is saved in
# $TEST_SERVER_FILE.key.pem
# WARNING: By using the -nodes option, we force the private key to be
# stored in the clear (rather than encrypted with a password).
$OPENSSL_CMD req $OPENSSL_CNF -nodes -subj "$TEST_SERVER_DN" \
-keyout $KEYS_DIR/$TEST_SERVER_FILE.key.pem \
-newkey ec:$TEST_SERVER_CURVE.pem -new \
-out $CERTS_DIR/$TEST_SERVER_FILE.req.pem
# Sign the certificate request in $TEST_SERVER_FILE.req.pem using the
# CA certificate in $TEST_CA_FILE.cert.pem and the CA private key in
# $TEST_CA_FILE.key.pem. Since we do not have an existing serial number
# file for this CA, create one. Make the certificate valid for $DAYS days
# from the time of signing. The certificate is written into
# $TEST_SERVER_FILE.cert.pem
$OPENSSL_CMD x509 -req -days $DAYS \
-in $CERTS_DIR/$TEST_SERVER_FILE.req.pem \
-CA $CERTS_DIR/$TEST_CA_FILE.cert.pem \
-CAkey $KEYS_DIR/$TEST_CA_FILE.key.pem \
-out $CERTS_DIR/$TEST_SERVER_FILE.cert.pem -CAcreateserial
# Display the certificate
$OPENSSL_CMD x509 -in $CERTS_DIR/$TEST_SERVER_FILE.cert.pem -text
# Place the certificate and key in a common file
$OPENSSL_CMD x509 -in $CERTS_DIR/$TEST_SERVER_FILE.cert.pem -issuer -subject \
> $COMBO_DIR/$TEST_SERVER_FILE.pem
$CAT $KEYS_DIR/$TEST_SERVER_FILE.key.pem >> $COMBO_DIR/$TEST_SERVER_FILE.pem
# Remove the cert request file (no longer needed)
$RM $CERTS_DIR/$TEST_SERVER_FILE.req.pem
echo "GENERATING A TEST CLIENT CERTIFICATE (on elliptic curve $TEST_CLIENT_CURVE)"
echo "=========================================================================="
# Generate parameters for curve $TEST_CLIENT_CURVE, if needed
$OPENSSL_CMD ecparam -name $TEST_CLIENT_CURVE -out $TEST_CLIENT_CURVE.pem
# Generate a new certificate request in $TEST_CLIENT_FILE.req.pem. A
# new ecdsa (actually ECC) key pair is generated on the parameters in
# $TEST_CLIENT_CURVE.pem and the private key is saved in
# $TEST_CLIENT_FILE.key.pem
# WARNING: By using the -nodes option, we force the private key to be
# stored in the clear (rather than encrypted with a password).
$OPENSSL_CMD req $OPENSSL_CNF -nodes -subj "$TEST_CLIENT_DN" \
-keyout $KEYS_DIR/$TEST_CLIENT_FILE.key.pem \
-newkey ec:$TEST_CLIENT_CURVE.pem -new \
-out $CERTS_DIR/$TEST_CLIENT_FILE.req.pem
# Sign the certificate request in $TEST_CLIENT_FILE.req.pem using the
# CA certificate in $TEST_CA_FILE.cert.pem and the CA private key in
# $TEST_CA_FILE.key.pem. Since we do not have an existing serial number
# file for this CA, create one. Make the certificate valid for $DAYS days
# from the time of signing. The certificate is written into
# $TEST_CLIENT_FILE.cert.pem
$OPENSSL_CMD x509 -req -days $DAYS \
-in $CERTS_DIR/$TEST_CLIENT_FILE.req.pem \
-CA $CERTS_DIR/$TEST_CA_FILE.cert.pem \
-CAkey $KEYS_DIR/$TEST_CA_FILE.key.pem \
-out $CERTS_DIR/$TEST_CLIENT_FILE.cert.pem -CAcreateserial
# Display the certificate
$OPENSSL_CMD x509 -in $CERTS_DIR/$TEST_CLIENT_FILE.cert.pem -text
# Place the certificate and key in a common file
$OPENSSL_CMD x509 -in $CERTS_DIR/$TEST_CLIENT_FILE.cert.pem -issuer -subject \
> $COMBO_DIR/$TEST_CLIENT_FILE.pem
$CAT $KEYS_DIR/$TEST_CLIENT_FILE.key.pem >> $COMBO_DIR/$TEST_CLIENT_FILE.pem
# Remove the cert request file (no longer needed)
$RM $CERTS_DIR/$TEST_CLIENT_FILE.req.pem