Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
63 lines
2.4 KiB
Bash
63 lines
2.4 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.installer
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# SPDX-Security-Contact: security@coresecret.eu
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guard_sourcing || return "${ERR_GUARD_SOURCE}"
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#######################################
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# Benchmark cryptsetup KDF to determine pbkdf-memory and pbkdf-force-iterations for given pbkdf-threads.
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# Globals:
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# VAR_ITER_TIME
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# VAR_KDF_ITERATIONS
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# VAR_KDF_MEMORY
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# VAR_KDF_THREADS
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# VAR_RECIPE_STRING
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# VAR_SETUP_PART
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# Arguments:
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# None
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# Returns:
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# 0: on success
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#######################################
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benchmarking_encryption() {
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### Declare Arrays, HashMaps, and Variables.
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declare var_result=""
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# shellcheck disable=SC2155
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declare -girx VAR_KDF_THREADS=$(yq_val ".recipe.${VAR_RECIPE_STRING}.control.kdf.threads" "${VAR_SETUP_PART}")
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# shellcheck disable=SC2155
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declare -girx VAR_ITER_TIME=$(yq_val ".recipe.${VAR_RECIPE_STRING}.control.kdf.time" "${VAR_SETUP_PART}")
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echo "BENCHMARK CRYPTSETUP ARGON2ID KDF PARAMETER ..."
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sync
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echo "BENCHMARK CRYPTSETUP ARGON2ID KDF PARAMETER - DROPPING PAGES ..."
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echo 3 >| /proc/sys/vm/drop_caches || true
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# shellcheck disable=SC2312
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var_result=$(cryptsetup benchmark --pbkdf argon2id --iter-time "${VAR_ITER_TIME:-3000}" --pbkdf-parallel "${VAR_KDF_THREADS:-1}" 2>/dev/null \
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| grep -E '^argon2id[[:space:]]+[0-9]+[[:space:]]+iterations')
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echo "${var_result}"
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do_log "info" "file_only" "3210() [cryptsetup benchmark --pbkdf argon2id --iter-time ${VAR_ITER_TIME:-3000} --pbkdf-parallel ${VAR_KDF_THREADS:-1}]."
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do_log "info" "file_only" "3210() Results: [${var_result}]."
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# shellcheck disable=SC2155
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declare -girx VAR_KDF_ITERATIONS=$(awk '{print $2}' <<<"${var_result}")
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# shellcheck disable=SC2155
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declare -girx VAR_KDF_MEMORY=$(awk -F'[ ,]+' '{print $4}' <<<"${var_result}")
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guard_dir; return 0
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}
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### Prevents accidental 'unset -f'.
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# shellcheck disable=SC2034
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readonly -f benchmarking_encryption
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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