- gl_MD5
- gl_MEMXOR
- gl_HMAC_MD5
-
- # Devices with randomness.
- # FIXME: Are these the best defaults?
-
- case "${target}" in
- *-openbsd*)
- NAME_OF_RANDOM_DEVICE="/dev/srandom"
- NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/prandom"
- NAME_OF_NONCE_DEVICE="/dev/urandom"
- ;;
-
- *-netbsd*)
- NAME_OF_RANDOM_DEVICE="/dev/srandom"
- NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/urandom"
- NAME_OF_NONCE_DEVICE="/dev/urandom"
- ;;
-
- *-solaris* | *-irix* | *-dec-osf* )
- NAME_OF_RANDOM_DEVICE="/dev/random"
- NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/random"
- NAME_OF_NONCE_DEVICE="/dev/random"
- ;;
-
- *)
- NAME_OF_RANDOM_DEVICE="/dev/random"
- NAME_OF_PSEUDO_RANDOM_DEVICE="/dev/urandom"
- NAME_OF_NONCE_DEVICE="/dev/urandom"
- ;;
- esac
-
- AC_MSG_CHECKING([device with (strong) random data...])
- AC_ARG_ENABLE(random-device,
- AC_HELP_STRING([--enable-random-device],
- [device with (strong) randomness (for Nettle)]),
- NAME_OF_RANDOM_DEVICE=$enableval)
- AC_MSG_RESULT($NAME_OF_RANDOM_DEVICE)
-
- AC_MSG_CHECKING([device with pseudo random data...])
- AC_ARG_ENABLE(pseudo-random-device,
- AC_HELP_STRING([--enable-pseudo-random-device],
- [device with pseudo randomness (for Nettle)]),
- NAME_OF_PSEUDO_RANDOM_DEVICE=$enableval)
- AC_MSG_RESULT($NAME_OF_PSEUDO_RANDOM_DEVICE)
-
- AC_MSG_CHECKING([device with unpredictable data for nonces...])
- AC_ARG_ENABLE(nonce-device,
- AC_HELP_STRING([--enable-nonce-device],
- [device with unpredictable nonces (for Nettle)]),
- NAME_OF_NONCE_DEVICE=$enableval)
- AC_MSG_RESULT($NAME_OF_NONCE_DEVICE)
-
- if test "$cross_compiling" != yes; then
- AC_CHECK_FILE($NAME_OF_RANDOM_DEVICE,, AC_MSG_ERROR([[
- *** Device for (strong) random data $NAME_OF_RANDOM_DEVICE does not exist
- ]]))
- AC_CHECK_FILE($NAME_OF_PSEUDO_RANDOM_DEVICE,, AC_MSG_ERROR([[
- *** Device for pseudo-random data $NAME_OF_PSEUDO_RANDOM_DEVICE does not exist
- ]]))
- AC_CHECK_FILE($NAME_OF_NONCE_DEVICE,, AC_MSG_ERROR([[
- *** Device for unpredictable nonces $NAME_OF_NONCE_DEVICE does not exist
- ]]))
- else
- AC_MSG_NOTICE([[Cross compiling, assuming random devices exists...]])
- fi
-
- # FIXME: Open+read 42 bytes+close twice and compare data. Should differ.
-
- AC_DEFINE_UNQUOTED(NAME_OF_RANDOM_DEVICE, "$NAME_OF_RANDOM_DEVICE",
- [defined to the name of the (strong) random device])
- AC_DEFINE_UNQUOTED(NAME_OF_PSEUDO_RANDOM_DEVICE,
- "$NAME_OF_PSEUDO_RANDOM_DEVICE",
- [defined to the name of the pseudo random device])
- AC_DEFINE_UNQUOTED(NAME_OF_NONCE_DEVICE, "$NAME_OF_NONCE_DEVICE",
- [defined to the name of the unpredictable nonce device])