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Diffstat (limited to 'vectors/ed25519/regenerate_test_vector.py')
| -rw-r--r-- | vectors/ed25519/regenerate_test_vector.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/vectors/ed25519/regenerate_test_vector.py b/vectors/ed25519/regenerate_test_vector.py new file mode 100644 index 0000000..295fe33 --- /dev/null +++ b/vectors/ed25519/regenerate_test_vector.py @@ -0,0 +1,97 @@ +# +# regenerate_test_vector.py +# ------------------------------------------------------------ +# Generates a new randomized test vector for ed25519_fpga_model +# +# Author: Pavel Shatov +# Copyright (c) 2017-2018, NORDUnet A/S +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# - Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the NORDUnet nor the names of its contributors may +# be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +# +USAGE = "USAGE: regenerate_test_vector.py [openssl_binary]" +# + +# +# This script generates a new randomized test vector that contains a +# private key +# + +# +# IMPORTANT: As far as I understand, this will only work with OpenSSL 1.1.1, +# versions 1.1.0 and 1.0.2 don't seem to support the Ed25519 algoritm. If you +# system library is the older version, you can pass the location of the +# specific OpenSSL binary to use on the command line. +# + +# +# imports +# +import sys +import subprocess + +# +# variables +# +SECRET_KEY = "test.key" + +OPENSSL = "" + + +# +# openssl_genpkey +# +def openssl_genpkey(binary, filename): + + subprocess.call([binary, "genpkey", "-algorithm", "Ed25519", "-out", filename]) + + +# +# __main__ +# +if __name__ == "__main__": + + # detect whether user requested some specific binary + if len(sys.argv) == 1: + OPENSSL = "openssl" + print("Using system OpenSSL library.") + elif len(sys.argv) == 2: + OPENSSL = sys.argv[1] + print("Using OpenSSL binary '" + OPENSSL + "'...") + else: + print(USAGE) + + # generate two new private keys + if len(OPENSSL) > 0: + openssl_genpkey(OPENSSL, SECRET_KEY) + + +# +# End of file +# |