Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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82 lines
2.6 KiB
82 lines
2.6 KiB
5 years ago
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#!/usr/bin/env python
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# coding=utf-8
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# Copyright (c) 2020, Google Inc.
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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"""This script translates JSON test vectors to BoringSSL's "FileTest" format.
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Usage: translate_test_vectors.py TEST_VECTORS_JSON_FILE
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The TEST_VECTORS_JSON_FILE is expected to come from the HPKE reference
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implementation at https://github.com/cisco/go-hpke. The output file is
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hardcoded as "hpke_test_vectors.txt".
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"""
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import collections
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import json
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import sys
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HPKE_MODE_BASE = 0
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HPKE_DHKEM_X25519_SHA256 = 0x0020
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def read_test_vectors_and_generate_code(json_file_in_path, test_file_out_path):
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"""Translates JSON test vectors into BoringSSL's FileTest language.
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Args:
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json_file_in_path: Path to the JSON test vectors file.
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test_file_out_path: Path to output file.
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"""
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# Load the JSON file into |test_vecs|.
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with open(json_file_in_path) as file_in:
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test_vecs = json.load(file_in)
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lines = []
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for test in test_vecs:
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# Filter out test cases that we don't use.
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if (test["mode"] != HPKE_MODE_BASE or
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test["kemID"] != HPKE_DHKEM_X25519_SHA256):
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continue
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for key in ("kdfID", "aeadID", "info", "skRm", "skEm", "pkRm", "pkEm"):
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lines.append("{} = {}".format(key, str(test[key])))
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for i, enc in enumerate(test["encryptions"]):
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lines.append("# encryptions[{}]".format(i))
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for key in ("aad", "ciphertext", "plaintext"):
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lines.append("{} = {}".format(key, str(enc[key])))
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for i, exp in enumerate(test["exports"]):
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lines.append("# exports[{}]".format(i))
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for key in ("exportContext", "exportLength", "exportValue"):
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lines.append("{} = {}".format(key, str(exp[key])))
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lines.append("")
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with open(test_file_out_path, "w") as file_out:
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file_out.write("\n".join(lines))
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def main(argv):
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if len(argv) != 2:
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print(__doc__)
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sys.exit(1)
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read_test_vectors_and_generate_code(argv[1], "hpke_test_vectors.txt")
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if __name__ == "__main__":
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main(sys.argv)
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