net/data/ssl/scripts/generate-weak-test-chains.sh

   1 #!/bin/sh
   2
   3 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # This script generates a set of test (end-entity, intermediate, root)
   8 # certificates with (weak, strong), (RSA, DSA, ECDSA) key pairs.
   9
  10 key_types="768-rsa 1024-rsa 2048-rsa prime256v1-ecdsa"
  11
  12 try () {
  13   echo "$@"
  14   $@ || exit 1
  15 }
  16
  17 generate_key_command () {
  18   case "$1" in
  19     dsa)
  20       echo "dsaparam -genkey"
  21       ;;
  22     ecdsa)
  23       echo "ecparam -genkey"
  24       ;;
  25     rsa)
  26       echo genrsa
  27       ;;
  28     *)
  29       exit 1
  30   esac
  31 }
  32
  33 try rm -rf out
  34 try mkdir out
  35
  36 # Create the serial number files.
  37 try echo 1 > out/2048-rsa-root-serial
  38 for key_type in $key_types
  39 do
  40   try echo 1 > out/$key_type-intermediate-serial
  41 done
  42
  43 # Generate one root CA certificate.
  44 try openssl genrsa -out out/2048-rsa-root.key 2048
  45
  46 CA_COMMON_NAME="2048 RSA Test Root CA" \
  47   CA_DIR=out \
  48   CA_NAME=req_env_dn \
  49   KEY_SIZE=2048 \
  50   ALGO=rsa \
  51   CERT_TYPE=root \
  52   try openssl req \
  53     -new \
  54     -key out/2048-rsa-root.key \
  55     -extensions ca_cert \
  56     -out out/2048-rsa-root.csr \
  57     -config ca.cnf
  58
  59 CA_COMMON_NAME="2048 RSA Test Root CA" \
  60   CA_DIR=out \
  61   CA_NAME=req_env_dn \
  62   try openssl x509 \
  63     -req -days 3650 \
  64     -in out/2048-rsa-root.csr \
  65     -extensions ca_cert \
  66     -signkey out/2048-rsa-root.key \
  67     -out out/2048-rsa-root.pem
  68
  69 # Generate private keys of all types and strengths for intermediate CAs and
  70 # end-entities.
  71 for key_type in $key_types
  72 do
  73   key_size=$(echo "$key_type" | sed -E 's/-.+//')
  74   algo=$(echo "$key_type" | sed -E 's/.+-//')
  75
  76   if [ ecdsa = $algo ]
  77   then
  78     key_size="-name $key_size"
  79   fi
  80
  81   try openssl $(generate_key_command $algo) \
  82     -out out/$key_type-intermediate.key $key_size
  83 done
  84
  85 for key_type in $key_types
  86 do
  87   key_size=$(echo "$key_type" | sed -E 's/-.+//')
  88   algo=$(echo "$key_type" | sed -E 's/.+-//')
  89
  90   if [ ecdsa = $algo ]
  91   then
  92     key_size="-name $key_size"
  93   fi
  94
  95   for signer_key_type in $key_types
  96   do
  97     try openssl $(generate_key_command $algo) \
  98       -out out/$key_type-ee-by-$signer_key_type-intermediate.key $key_size
  99   done
 100 done
 101
 102 # The root signs the intermediates.
 103 for key_type in $key_types
 104 do
 105   key_size=$(echo "$key_type" | sed -E 's/-.+//')
 106   algo=$(echo "$key_type" | sed -E 's/.+-//')
 107
 108   CA_COMMON_NAME="$key_size $algo Test intermediate CA" \
 109     CA_DIR=out \
 110     CA_NAME=req_env_dn \
 111     KEY_SIZE=$key_size \
 112     ALGO=$algo \
 113     CERT_TYPE=intermediate \
 114     try openssl req \
 115       -new \
 116       -key out/$key_type-intermediate.key \
 117       -out out/$key_type-intermediate.csr \
 118       -config ca.cnf
 119
 120   # Make sure the signer's DB file exists.
 121   touch out/2048-rsa-root-index.txt
 122
 123   CA_COMMON_NAME="2048 RSA Test Root CA" \
 124     CA_DIR=out \
 125     CA_NAME=req_env_dn \
 126     KEY_SIZE=2048 \
 127     ALGO=rsa \
 128     CERT_TYPE=root \
 129     try openssl ca \
 130       -batch \
 131       -extensions ca_cert \
 132       -in out/$key_type-intermediate.csr \
 133       -out out/$key_type-intermediate.pem \
 134       -config ca.cnf
 135 done
 136
 137 # The intermediates sign the end-entities.
 138 for key_type in $key_types
 139 do
 140   for signer_key_type in $key_types
 141   do
 142     key_size=$(echo "$key_type" | sed -E 's/-.+//')
 143     algo=$(echo "$key_type" | sed -E 's/.+-//')
 144     signer_key_size=$(echo "$signer_key_type" | sed -E 's/-.+//')
 145     signer_algo=$(echo "$signer_key_type" | sed -E 's/.+-//')
 146     touch out/$signer_key_type-intermediate-index.txt
 147
 148     KEY_SIZE=$key_size \
 149       try openssl req \
 150         -new \
 151         -key out/$key_type-ee-by-$signer_key_type-intermediate.key \
 152         -out out/$key_type-ee-by-$signer_key_type-intermediate.csr \
 153         -config ee.cnf
 154
 155     CA_COMMON_NAME="$signer_key_size $algo Test intermediate CA" \
 156       CA_DIR=out \
 157       CA_NAME=req_env_dn \
 158       KEY_SIZE=$signer_key_size \
 159       ALGO=$signer_algo \
 160       CERT_TYPE=intermediate \
 161       try openssl ca \
 162         -batch \
 163         -in out/$key_type-ee-by-$signer_key_type-intermediate.csr \
 164         -out out/$key_type-ee-by-$signer_key_type-intermediate.pem \
 165         -config ca.cnf
 166   done
 167 done
 168