Fix test suite deficiencies.

tests/run_rsa_tests.sh

 #!/bin/bash
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Run tests for RSA Signature verification.
 
 # Load common constants and variables.
 . "$(dirname "$0")/common.sh"
 
+set -e
+
 return_code=0
 TEST_FILE=${TESTCASE_DIR}/test_file
 
 function test_signatures {
   algorithmcounter=0
   for keylen in ${key_lengths[@]}
   do
     for hashalgo in ${hash_algos[@]}
     do
       echo -e "For ${COL_YELLOW}RSA-$keylen and $hashalgo${COL_STOP}:"
       ${UTIL_DIR}/verify_data $algorithmcounter \
         ${TESTKEY_DIR}/key_rsa${keylen}.keyb \
         ${TEST_FILE}.rsa${keylen}_${hashalgo}.sig \
         ${TEST_FILE}
       if [ $? -ne 0 ]
-      then  
+      then
         return_code=255
       fi
       let algorithmcounter=algorithmcounter+1
     done
   done
   echo -e "Peforming ${COL_YELLOW}PKCS #1 v1.5 Padding Tests${COL_STOP}..."
   ${TEST_DIR}/rsa_padding_test ${TESTKEY_DIR}/rsa_padding_test_pubkey.keyb
 }
 
 check_test_keys
 echo "Testing signature verification..."
 test_signatures
 
 exit $return_code