Generate unique certificate nicknames on Linux/CrOS.

net/data/ssl/scripts/generate-duplicate-cn-certs.sh

Index: net/data/ssl/scripts/generate-duplicate-cn-certs.sh
diff --git a/net/data/ssl/scripts/generate-duplicate-cn-certs.sh b/net/data/ssl/scripts/generate-duplicate-cn-certs.sh
new file mode 100755
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+++ b/net/data/ssl/scripts/generate-duplicate-cn-certs.sh
@@ -0,0 +1,132 @@
+#!/bin/sh
+
+# Copyright (c) 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This script generates two chains of test certificates:
+#    1. A1 (end-entity) -> B (self-signed root)
+#    2. A2 (end-entity) -> B (self-signed root)
+#
+# In which A1 and A2 share the same key, the same subject common name, but have
+# distinct O values in their subjects.
+#
+# This is used to test that NSS can properly generate unique certificate
+# nicknames for both certificates.
+
+try () {
+  echo "$@"
+  $@ || exit 1
+}
+
+generate_key_command () {
+  case "$1" in
+    rsa)
+      echo genrsa
+      ;;
+    *)
+      exit 1
+  esac
+}
+
+try rm -rf out
+try mkdir out
+
+echo Create the serial number and index files.
+try echo 1 > out/B-serial
+try touch out/B-index.txt
+
+echo Generate the keys.
+try openssl genrsa -out out/A.key 2048
+try openssl genrsa -out out/B.key 2048
+
+echo Generate the B CSR.
+CA_COMMON_NAME="B Root CA" \
+  CA_DIR=out \
+  CA_NAME=req_env_dn \
+  KEY_SIZE=2048 \
+  ALGO=rsa \
+  CERT_TYPE=root \
+  TYPE=B CERTIFICATE=B \
+  try openssl req \
+    -new \
+    -key out/B.key \
+    -out out/B.csr \
+    -config redundant-ca.cnf
+
+echo B signs itself.
+CA_COMMON_NAME="B Root CA" \
+  CA_DIR=out \
+  CA_NAME=req_env_dn \
+  try openssl x509 \
+    -req -days 3650 \
+    -in out/B.csr \
+    -extfile redundant-ca.cnf \
+    -extensions ca_cert \
+    -signkey out/B.key \
+    -out out/B.pem
+
+echo Generate the A1 end-entity CSR.
+SUBJECT_NAME=req_duplicate_cn_1 \
+  try openssl req \
+    -new \
+    -key out/A.key \
+    -out out/A1.csr \
+    -config ee.cnf
+
+echo Generate the A2 end-entity CSR
+SUBJECT_NAME=req_duplicate_cn_2 \
+  try openssl req \
+    -new \
+    -key out/A.key \
+    -out out/A2.csr \
+    -config ee.cnf
+
+
+echo B signs A1.
+CA_COMMON_NAME="B CA" \
+  CA_DIR=out \
+  CA_NAME=req_env_dn \
+  KEY_SIZE=2048 \
+  ALGO=sha1 \
+  CERT_TYPE=intermediate \
+  TYPE=B CERTIFICATE=B \
+  try openssl ca \
+    -batch \
+    -extensions user_cert \
+    -in out/A1.csr \
+    -out out/A1.pem \
+    -config redundant-ca.cnf
+
+echo B signs A2.
+CA_COMMON_NAME="B CA" \
+  CA_DIR=out \
+  CA_NAME=req_env_dn \
+  KEY_SIZE=2048 \
+  ALGO=sha1 \
+  CERT_TYPE=intermediate \
+  TYPE=B CERTIFICATE=B \
+  try openssl ca \
+    -batch \
+    -extensions user_cert \
+    -in out/A2.csr \
+    -out out/A2.pem \
+    -config redundant-ca.cnf
+
+echo Exporting the certificates to PKCS#12
+try openssl pkcs12 \
+  -export \
+  -inkey out/A.key \
+  -in out/A1.pem \
+  -out ../certificates/duplicate_cn_1.p12 \
+  -passout pass:chrome
+
+try openssl pkcs12 \
+  -export \
+  -inkey out/A.key \
+  -in out/A2.pem \
+  -out ../certificates/duplicate_cn_2.p12 \
+  -passout pass:chrome
+
+cp out/A1.pem ../certificates/duplicate_cn_1.pem
+cp out/A2.pem ../certificates/duplicate_cn_2.pem