scrypt-1.2.1/tests/04-force-resources.sh

   1 #!/bin/sh
   2
   3 ### Constants
   4 c_valgrind_min=1
   5 reference_file="${scriptdir}/test_scrypt.good"
   6 longwait_encrypted_file="${out}/longwait.enc"
   7 longwait_decrypted_file="${out}/longwait.txt"
   8 longwait_failed_log="${out}/longwait-failed.log"
   9
  10 scenario_cmd() {
  11         # Encrypt file which should take a long time to decrypt.
  12         setup_check_variables
  13         (
  14                 echo ${password} | ${c_valgrind_cmd} ${bindir}/scrypt   \
  15                         enc -P -t 10 ${reference_file}                  \
  16                         ${longwait_encrypted_file}
  17                 echo $? > ${c_exitfile}
  18         )
  19
  20         # Attempt to decrypt it with limited time.  We want this
  21         # command to fail, so we negate the normal return code.
  22         setup_check_variables
  23         (
  24                 echo ${password} | ${c_valgrind_cmd} ${bindir}/scrypt   \
  25                         dec -P -t 1 ${longwait_encrypted_file}          \
  26                         ${longwait_decrypted_file}                      \
  27                         2> ${longwait_failed_log}
  28                 test ! $? -eq 0
  29                 echo $? > ${c_exitfile}
  30         )
  31
  32         # We should have received an error message.
  33         setup_check_variables
  34         if grep -q "scrypt: Decrypting file would take too much CPU time" \
  35             ${longwait_failed_log}; then
  36                 echo "0"
  37         else
  38                 echo "1"
  39         fi > ${c_exitfile}
  40
  41         # Attempt to decrypt it with limited time, but force success.
  42         setup_check_variables
  43         (
  44                 echo ${password} | ${c_valgrind_cmd} ${bindir}/scrypt   \
  45                         dec -P -t 1 -f ${longwait_encrypted_file}       \
  46                         ${longwait_decrypted_file}
  47                 echo $? > ${c_exitfile}
  48         )
  49
  50         # The decrypted reference file should match the reference.
  51         setup_check_variables
  52         if cmp -s ${longwait_decrypted_file} ${reference_file}; then
  53                 echo "0"
  54         else
  55                 echo "1"
  56         fi > ${c_exitfile}
  57 }