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Diffstat (limited to 'vector/vector_format.py')
-rw-r--r-- | vector/vector_format.py | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/vector/vector_format.py b/vector/vector_format.py new file mode 100644 index 0000000..a3e7e81 --- /dev/null +++ b/vector/vector_format.py @@ -0,0 +1,67 @@ +#!/usr/bin/python3 +# +# +# Formats a new test vector for ModExpNG core model. +# +# +# Copyright (c) 2019, 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. +# + +import sys +import vector_util + +SCRIPT_USAGE = "USAGE: vector_format.py [openssl_binary]" + +KEY_LENGTH = 1024 + +RNG_SEED_MESSAGE = 1 +RNG_SEED_BLINDING = 2 + + +if __name__ == "__main__": + + # ModInv fails otherwise... + sys.setrecursionlimit(int(1.5 * KEY_LENGTH)) + + OPENSSL_BINARY = vector_util.openssl_binary(SCRIPT_USAGE) + + if len(OPENSSL_BINARY) > 0: + + MESSAGE = vector_util.random_message(RNG_SEED_MESSAGE, KEY_LENGTH) + BLINDING = vector_util.random_blinding(RNG_SEED_BLINDING, KEY_LENGTH) + VECTOR = vector_util.load_vector(OPENSSL_BINARY, KEY_LENGTH) + + vector_ok = VECTOR.selfcheck(MESSAGE, BLINDING) + if vector_ok: + vector_util.save_vector(VECTOR) + print("Test vector formatted.") + else: + print("Failed to format test vector.") + |