slhdsa: add Python script to convert NIST ACVP data to evp_test format
Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/26750)
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test/slhdsa_parse.py
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test/slhdsa_parse.py
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#!/usr/bin/env python3
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#
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# Copyright 2025 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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# A python program written to parse (version 42) of the ACVP test vectors for
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# SLH_DSA. The 3 files that can be processed by this utility can be downloaded
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# from
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# https://github.com/usnistgov/ACVP-Server/blob/master/gen-val/json-files/SLH-DSA-keyGen-FIPS204/internalProjection.json
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# https://github.com/usnistgov/ACVP-Server/blob/master/gen-val/json-files/SLH-DSA-sigGen-FIPS204/internalProjection.json
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# https://github.com/usnistgov/ACVP-Server/blob/master/gen-val/json-files/SLH-DSA-sigVer-FIPS204/internalProjection.json
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# and output from this utility to
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# test/recipes/30-test_evp_data/evppkey_slh_dsa_keygen.txt
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# test/recipes/30-test_evp_data/evppkey_slh_dsa_siggen.txt
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# test/recipes/30-test_evp_data/evppkey_slh_dsa_sigver.txt
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#
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# e.g. python3 slhdsa_parse.py ~/Downloads/keygen.json > ./test/recipes/30-test_evp_data/evppkey_slh_dsa_keygen.txt
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#
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import json
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import argparse
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import datetime
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import re
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import sys
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def eprint(*args, **kwargs):
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print(*args, file=sys.stderr, **kwargs)
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def print_label(label, value):
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print(label + " = " + value)
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def print_hexlabel(label, tag, value):
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print(label + " = hex" + tag + ":" + value)
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def parse_slh_dsa_key_gen(groups):
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for grp in groups:
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name = grp['parameterSet'].replace('-', '_')
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for tst in grp['tests']:
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print("");
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print_label("FIPSversion", ">=3.5.0")
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print_label("KeyGen", grp['parameterSet'])
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print_label("KeyName", "tcId" + str(tst['tcId']))
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print_hexlabel("Ctrl", "seed", tst['skSeed'] + tst['skPrf'] + tst['pkSeed'])
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print_hexlabel("CtrlOut", "pub", tst['pk'])
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print_hexlabel("CtrlOut", "priv", tst['sk'])
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def parse_slh_dsa_sig_gen(groups):
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coverage = set()
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for grp in groups:
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name = grp['parameterSet'].replace('-', '_')
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encoding = "1" if grp['preHash'] != 'none' else "0"
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deterministic = "1" if grp['deterministic'] else "0"
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for tst in grp['tests']:
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if tst['hashAlg'] != 'none':
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continue
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# Check if there is a similar test already and skip if so
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# Signature generation tests are very expensive, so we need to
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# limit things substantially. By default, we only test one of
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# the slow flavours and one of each kind of the fast ones.
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if name.find('f') >= 0:
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context = "1" if 'context' in tst else "0"
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coverage_name = name + "_" + encoding + deterministic + context
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else:
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coverage_name = name
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extended_test = coverage_name in coverage
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coverage.add(coverage_name)
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# Emit test case
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testname = name + "_" + str(tst['tcId'])
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print("");
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print_label("PrivateKeyRaw", testname + ":" + grp['parameterSet'] + ":" + tst['sk'])
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print("");
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print_label("FIPSversion", ">=3.5.0")
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print_label("Sign-Message", grp['parameterSet'] + ":" + testname)
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if extended_test:
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print_label("Extended-Test", "1")
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print_label("Input", tst['message'])
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print_label("Output", tst['signature'])
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if 'additionalRandomness' in tst:
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print_hexlabel("Ctrl", "test-entropy", tst['additionalRandomness']);
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print_label("Ctrl", "deterministic:" + deterministic)
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print_label("Ctrl", "message-encoding:" + encoding)
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if 'context' in tst:
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print_hexlabel("Ctrl", "context-string", tst["context"])
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def parse_slh_dsa_sig_ver(groups):
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for grp in groups:
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name = grp['parameterSet'].replace('-', '_')
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encoding = "1" if grp['preHash'] != 'none' else "0"
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for tst in grp['tests']:
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if tst['hashAlg'] != 'none':
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continue
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testname = name + "_" + str(tst['tcId'])
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print("");
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print_label("PublicKeyRaw", testname + ":" + grp['parameterSet'] + ":" + tst['pk'])
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print("");
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if "reason" in tst:
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print("# " + tst['reason'])
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print_label("FIPSversion", ">=3.5.0")
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print_label("Verify-Message-Public", grp['parameterSet'] + ":" + testname)
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print_label("Input", tst['message'])
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print_label("Output", tst['signature'])
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if 'additionalRandomness' in tst:
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print_hexlabel("Ctrl", "test-entropy", tst['additionalRandomness']);
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print_label("Ctrl", "message-encoding:" + encoding)
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if 'context' in tst:
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print_hexlabel("Ctrl", "context-string", tst["context"])
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if not tst['testPassed']:
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print_label("Result", "VERIFY_ERROR")
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parser = argparse.ArgumentParser(description="")
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parser.add_argument('filename', type=str)
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args = parser.parse_args()
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# Open and read the JSON file
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with open(args.filename, 'r') as file:
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data = json.load(file)
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year = datetime.date.today().year
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version = data['vsId']
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algorithm = data['algorithm']
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mode = data['mode']
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print("# Copyright " + str(year) + " The OpenSSL Project Authors. All Rights Reserved.")
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print("#")
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print("# Licensed under the Apache License 2.0 (the \"License\"). You may not use")
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print("# this file except in compliance with the License. You can obtain a copy")
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print("# in the file LICENSE in the source distribution or at")
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print("# https://www.openssl.org/source/license.html\n")
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print("# ACVP test data for " + algorithm + " " + mode + " generated from")
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print("# https://github.com/usnistgov/ACVP-Server/blob/master/gen-val/json-files/"
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"SLH-DSA-" + mode + "-FIPS204/internalProjection.json")
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print("# [version " + str(version) + "]")
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if algorithm == "SLH-DSA":
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if mode == 'sigVer':
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parse_slh_dsa_sig_ver(data['testGroups'])
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elif mode == 'sigGen':
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parse_slh_dsa_sig_gen(data['testGroups'])
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elif mode == 'keyGen':
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parse_slh_dsa_key_gen(data['testGroups'])
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else:
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eprint("Unsupported mode " + mode)
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else:
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eprint("Unsupported algorithm " + algorithm)
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